[Spice-devel] [PATCH spice-server v7] Convert RedChannel hierarchy to GObject

Jonathon Jongsma jjongsma at redhat.com
Fri Oct 21 20:28:56 UTC 2016


Hopefully this version can go in. Anybody want to review? I don't feel
I should ACK it, being the primary author of the patch.


On Thu, 2016-10-20 at 17:12 +0100, Frediano Ziglio wrote:
> From: Jonathon Jongsma <jjongsma at redhat.com>
> 
> ---
>  server/Makefile.am                  |   2 +
>  server/common-graphics-channel.c    | 111 ++++--
>  server/common-graphics-channel.h    |  42 ++-
>  server/cursor-channel.c             | 125 +++----
>  server/cursor-channel.h             |  19 +-
>  server/dcc-send.c                   |  11 +-
>  server/dcc.c                        |   1 +
>  server/dcc.h                        |   1 -
>  server/display-channel-private.h    |  76 +++++
>  server/display-channel.c            | 235 ++++++++++---
>  server/display-channel.h            | 100 ++----
>  server/dummy-channel-client.c       |  17 +-
>  server/dummy-channel.c              |  49 +++
>  server/dummy-channel.h              |  60 ++++
>  server/inputs-channel.c             | 140 +++++---
>  server/inputs-channel.h             |  19 +-
>  server/main-channel-client.c        |  38 ++-
>  server/main-channel.c               | 153 ++++++---
>  server/main-channel.h               |  32 +-
>  server/red-channel-client-private.h |  19 ++
>  server/red-channel-client.c         | 179 ++++++----
>  server/red-channel-client.h         |   4 +-
>  server/red-channel.c                | 649 ++++++++++++++++++++++++
> ------------
>  server/red-channel.h                | 183 +++++-----
>  server/red-parse-qxl.h              |   2 +
>  server/red-qxl.c                    |  21 +-
>  server/red-replay-qxl.c             |   2 +-
>  server/red-worker.c                 |  27 +-
>  server/red-worker.h                 |   2 -
>  server/reds-private.h               |   3 +-
>  server/reds.c                       |  66 ++--
>  server/smartcard.c                  | 138 ++++++--
>  server/sound.c                      |  44 ++-
>  server/spicevmc.c                   | 450 +++++++++++++++++++------
>  server/stream.c                     |   4 +-
>  35 files changed, 2068 insertions(+), 956 deletions(-)
>  create mode 100644 server/display-channel-private.h
>  create mode 100644 server/dummy-channel.c
>  create mode 100644 server/dummy-channel.h
> 
> Changes since v6:
> - rebased on master;
> - merged acked fixup.
> 
> diff --git a/server/Makefile.am b/server/Makefile.am
> index dff1ad2..7aada48 100644
> --- a/server/Makefile.am
> +++ b/server/Makefile.am
> @@ -102,6 +102,8 @@ libserver_la_SOURCES =				
> \
>  	red-channel-client.c			\
>  	red-channel-client.h			\
>  	red-channel-client-private.h		\
> +	dummy-channel.c				\
> +	dummy-channel.h				\
>  	dummy-channel-client.c			\
>  	dummy-channel-client.h			\
>  	red-common.h				\
> diff --git a/server/common-graphics-channel.c b/server/common-
> graphics-channel.c
> index 8af1c10..e3a3ded 100644
> --- a/server/common-graphics-channel.c
> +++ b/server/common-graphics-channel.c
> @@ -29,6 +29,11 @@
>  
>  #define CHANNEL_RECEIVE_BUF_SIZE 1024
>  
> +G_DEFINE_ABSTRACT_TYPE(CommonGraphicsChannel,
> common_graphics_channel, RED_TYPE_CHANNEL)
> +
> +#define GRAPHICS_CHANNEL_PRIVATE(o) \
> +    (G_TYPE_INSTANCE_GET_PRIVATE((o), TYPE_COMMON_GRAPHICS_CHANNEL,
> CommonGraphicsChannelPrivate))
> +
>  struct CommonGraphicsChannelPrivate
>  {
>      QXLInstance *qxl;
> @@ -43,7 +48,7 @@ struct CommonGraphicsChannelPrivate
>  static uint8_t *common_alloc_recv_buf(RedChannelClient *rcc,
> uint16_t type, uint32_t size)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> -    CommonGraphicsChannel *common = SPICE_CONTAINEROF(channel,
> CommonGraphicsChannel, base);
> +    CommonGraphicsChannel *common =
> COMMON_GRAPHICS_CHANNEL(channel);
>  
>      /* SPICE_MSGC_MIGRATE_DATA is the only client message whose size
> is dynamic */
>      if (type == SPICE_MSGC_MIGRATE_DATA) {
> @@ -65,6 +70,48 @@ static void
> common_release_recv_buf(RedChannelClient *rcc, uint16_t type, uint32
>      }
>  }
>  
> +
> +enum {
> +    PROP0,
> +    PROP_QXL
> +};
> +
> +static void
> +common_graphics_channel_get_property(GObject *object,
> +                                   guint property_id,
> +                                   GValue *value,
> +                                   GParamSpec *pspec)
> +{
> +    CommonGraphicsChannel *self = COMMON_GRAPHICS_CHANNEL(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_QXL:
> +            g_value_set_pointer(value, self->priv->qxl);
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
> +static void
> +common_graphics_channel_set_property(GObject *object,
> +                                   guint property_id,
> +                                   const GValue *value,
> +                                   GParamSpec *pspec)
> +{
> +    CommonGraphicsChannel *self = COMMON_GRAPHICS_CHANNEL(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_QXL:
> +            self->priv->qxl = g_value_get_pointer(value);
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
>  int common_channel_config_socket(RedChannelClient *rcc)
>  {
>      RedClient *client = red_channel_client_get_client(rcc);
> @@ -106,40 +153,36 @@ int
> common_channel_config_socket(RedChannelClient *rcc)
>      return TRUE;
>  }
>  
> -CommonGraphicsChannel* common_graphics_channel_new(RedsState
> *server,
> -                                                   QXLInstance *qxl,
> -                                                   const
> SpiceCoreInterfaceInternal *core,
> -                                                   int size,
> uint32_t channel_type,
> -                                                   int
> migration_flags,
> -                                                   ChannelCbs
> *channel_cbs,
> -                                                   channel_handle_pa
> rsed_proc handle_parsed)
> +
> +static void
> +common_graphics_channel_class_init(CommonGraphicsChannelClass
> *klass)
> +{
> +    GObjectClass *object_class = G_OBJECT_CLASS(klass);
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    g_type_class_add_private(klass,
> sizeof(CommonGraphicsChannelPrivate));
> +
> +    object_class->get_property =
> common_graphics_channel_get_property;
> +    object_class->set_property =
> common_graphics_channel_set_property;
> +
> +    channel_class->config_socket = common_channel_config_socket;
> +    channel_class->alloc_recv_buf = common_alloc_recv_buf;
> +    channel_class->release_recv_buf = common_release_recv_buf;
> +
> +    g_object_class_install_property(object_class,
> +                                    PROP_QXL,
> +                                    g_param_spec_pointer("qxl",
> +                                                         "qxl",
> +                                                         "QXLInstanc
> e for this channel",
> +                                                         G_PARAM_REA
> DWRITE |
> +                                                         G_PARAM_CON
> STRUCT_ONLY |
> +                                                         G_PARAM_STA
> TIC_STRINGS));
> +}
> +
> +static void
> +common_graphics_channel_init(CommonGraphicsChannel *self)
>  {
> -    RedChannel *channel = NULL;
> -    CommonGraphicsChannel *common;
> -
> -    spice_return_val_if_fail(channel_cbs, NULL);
> -    spice_return_val_if_fail(!channel_cbs->alloc_recv_buf, NULL);
> -    spice_return_val_if_fail(!channel_cbs->release_recv_buf, NULL);
> -
> -    if (!channel_cbs->config_socket)
> -        channel_cbs->config_socket = common_channel_config_socket;
> -    channel_cbs->alloc_recv_buf = common_alloc_recv_buf;
> -    channel_cbs->release_recv_buf = common_release_recv_buf;
> -
> -    channel = red_channel_create_parser(size, server,
> -                                        core, channel_type,
> -                                        qxl->id, TRUE /* handle_acks
> */,
> -                                        spice_get_client_channel_par
> ser(channel_type, NULL),
> -                                        handle_parsed,
> -                                        channel_cbs,
> -                                        migration_flags);
> -    spice_return_val_if_fail(channel, NULL);
> -
> -    common = COMMON_GRAPHICS_CHANNEL(channel);
> -    /* FIXME remove leak */
> -    common->priv = g_new0(CommonGraphicsChannelPrivate, 1);
> -    common->priv->qxl = qxl;
> -    return common;
> +    self->priv = GRAPHICS_CHANNEL_PRIVATE(self);
>  }
>  
>  void
> common_graphics_channel_set_during_target_migrate(CommonGraphicsChann
> el *self, gboolean value)
> diff --git a/server/common-graphics-channel.h b/server/common-
> graphics-channel.h
> index 97cd63b..a8c3f3d 100644
> --- a/server/common-graphics-channel.h
> +++ b/server/common-graphics-channel.h
> @@ -18,21 +18,47 @@
>  #ifndef _COMMON_GRAPHICS_CHANNEL_H
>  #define _COMMON_GRAPHICS_CHANNEL_H
>  
> +#include <glib-object.h>
> +
>  #include "red-channel.h"
>  #include "red-channel-client.h"
>  
> +G_BEGIN_DECLS
> +
>  int common_channel_config_socket(RedChannelClient *rcc);
>  
>  #define COMMON_CLIENT_TIMEOUT (NSEC_PER_SEC * 30)
>  
> +#define TYPE_COMMON_GRAPHICS_CHANNEL
> common_graphics_channel_get_type()
> +
> +#define COMMON_GRAPHICS_CHANNEL(obj) \
> +    (G_TYPE_CHECK_INSTANCE_CAST((obj), TYPE_COMMON_GRAPHICS_CHANNEL,
> CommonGraphicsChannel))
> +#define COMMON_GRAPHICS_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_COMMON_GRAPHICS_CHANNEL,
> CommonGraphicsChannelClass))
> +#define COMMON_IS_GRAPHICS_CHANNEL(obj) \
> +    (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> TYPE_COMMON_GRAPHICS_CHANNEL))
> +#define COMMON_IS_GRAPHICS_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_COMMON_GRAPHICS_CHANNEL))
> +#define COMMON_GRAPHICS_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_COMMON_GRAPHICS_CHANNEL,
> CommonGraphicsChannelClass))
> +
> +typedef struct CommonGraphicsChannel CommonGraphicsChannel;
> +typedef struct CommonGraphicsChannelClass
> CommonGraphicsChannelClass;
>  typedef struct CommonGraphicsChannelPrivate
> CommonGraphicsChannelPrivate;
> -typedef struct CommonGraphicsChannel {
> -    RedChannel base; // Must be the first thing
> +
> +struct CommonGraphicsChannel
> +{
> +    RedChannel parent;
>  
>      CommonGraphicsChannelPrivate *priv;
> -} CommonGraphicsChannel;
> +};
> +
> +struct CommonGraphicsChannelClass
> +{
> +    RedChannelClass parent_class;
> +};
>  
> -#define COMMON_GRAPHICS_CHANNEL(Channel)
> ((CommonGraphicsChannel*)(Channel))
> +GType common_graphics_channel_get_type(void) G_GNUC_CONST;
>  
>  void
> common_graphics_channel_set_during_target_migrate(CommonGraphicsChann
> el *self, gboolean value);
>  gboolean
> common_graphics_channel_get_during_target_migrate(CommonGraphicsChann
> el *self);
> @@ -76,12 +102,6 @@ static inline void red_pipes_add_verb(RedChannel
> *channel, uint16_t verb)
>      red_channel_apply_clients_data(channel, red_pipe_add_verb_proxy,
> GUINT_TO_POINTER(verb));
>  }
>  
> -CommonGraphicsChannel* common_graphics_channel_new(RedsState
> *server,
> -                                                   QXLInstance *qxl,
> -                                                   const
> SpiceCoreInterfaceInternal *core,
> -                                                   int size,
> uint32_t channel_type,
> -                                                   int
> migration_flags,
> -                                                   ChannelCbs
> *channel_cbs,
> -                                                   channel_handle_pa
> rsed_proc handle_parsed);
> +G_END_DECLS
>  
>  #endif /* _COMMON_GRAPHICS_CHANNEL_H */
> diff --git a/server/cursor-channel.c b/server/cursor-channel.c
> index cfaf55d..dbe3dfc 100644
> --- a/server/cursor-channel.c
> +++ b/server/cursor-channel.c
> @@ -28,8 +28,6 @@
>  #include "reds.h"
>  #include "red-qxl.h"
>  
> -#define CURSOR_CHANNEL(channel) ((CursorChannel*)(channel))
> -
>  typedef struct CursorItem {
>      QXLInstance *qxl;
>      int refs;
> @@ -38,13 +36,10 @@ typedef struct CursorItem {
>  
>  G_STATIC_ASSERT(sizeof(CursorItem) <= QXL_CURSUR_DEVICE_DATA_SIZE);
>  
> -typedef struct RedCursorPipeItem {
> -    RedPipeItem base;
> -    CursorItem *cursor_item;
> -} RedCursorPipeItem;
> +struct CursorChannel
> +{
> +    CommonGraphicsChannel parent;
>  
> -typedef struct CursorChannelPrivate CursorChannelPrivate;
> -struct CursorChannelPrivate {
>      CursorItem *item;
>      int cursor_visible;
>      SpicePoint16 cursor_position;
> @@ -53,12 +48,18 @@ struct CursorChannelPrivate {
>      uint32_t mouse_mode;
>  };
>  
> -struct CursorChannel {
> -    CommonGraphicsChannel common; // Must be the first thing
> -
> -    CursorChannelPrivate priv[1];
> +struct CursorChannelClass
> +{
> +    CommonGraphicsChannelClass parent_class;
>  };
>  
> +typedef struct RedCursorPipeItem {
> +    RedPipeItem base;
> +    CursorItem *cursor_item;
> +} RedCursorPipeItem;
> +
> +G_DEFINE_TYPE(CursorChannel, cursor_channel,
> TYPE_COMMON_GRAPHICS_CHANNEL)
> +
>  static void cursor_pipe_item_free(RedPipeItem *pipe_item);
>  
>  static CursorItem *cursor_item_new(QXLInstance *qxl, RedCursorCmd
> *cmd)
> @@ -105,10 +106,10 @@ static void cursor_item_unref(CursorItem *item)
>  
>  static void cursor_set_item(CursorChannel *cursor, CursorItem *item)
>  {
> -    if (cursor->priv->item)
> -        cursor_item_unref(cursor->priv->item);
> +    if (cursor->item)
> +        cursor_item_unref(cursor->item);
>  
> -    cursor->priv->item = item ? cursor_item_ref(item) : NULL;
> +    cursor->item = item ? cursor_item_ref(item) : NULL;
>  }
>  
>  static RedPipeItem *new_cursor_pipe_item(RedChannelClient *rcc, void
> *data, int num)
> @@ -197,12 +198,12 @@ static void
> red_marshall_cursor_init(CursorChannelClient *ccc, SpiceMarshaller *
>      cursor_channel =
> CURSOR_CHANNEL(red_channel_client_get_channel(rcc));
>  
>      red_channel_client_init_send_data(rcc, SPICE_MSG_CURSOR_INIT,
> NULL);
> -    msg.visible = cursor_channel->priv->cursor_visible;
> -    msg.position = cursor_channel->priv->cursor_position;
> -    msg.trail_length = cursor_channel->priv->cursor_trail_length;
> -    msg.trail_frequency = cursor_channel->priv-
> >cursor_trail_frequency;
> +    msg.visible = cursor_channel->cursor_visible;
> +    msg.position = cursor_channel->cursor_position;
> +    msg.trail_length = cursor_channel->cursor_trail_length;
> +    msg.trail_frequency = cursor_channel->cursor_trail_frequency;
>  
> -    cursor_fill(ccc, &msg.cursor, cursor_channel->priv->item,
> &info);
> +    cursor_fill(ccc, &msg.cursor, cursor_channel->item, &info);
>      spice_marshall_msg_cursor_init(base_marshaller, &msg);
>      add_buf_from_info(base_marshaller, &info);
>  }
> @@ -212,8 +213,7 @@ static void cursor_marshall(CursorChannelClient
> *ccc,
>                              RedCursorPipeItem *cursor_pipe_item)
>  {
>      RedChannelClient *rcc = RED_CHANNEL_CLIENT(ccc);
> -    CursorChannel *cursor_channel =
> SPICE_CONTAINEROF(red_channel_client_get_channel(rcc),
> -                                                      CursorChannel,
> common.base);
> +    CursorChannel *cursor_channel =
> CURSOR_CHANNEL(red_channel_client_get_channel(rcc));
>      CursorItem *item = cursor_pipe_item->cursor_item;
>      RedPipeItem *pipe_item = &cursor_pipe_item->base;
>      RedCursorCmd *cmd;
> @@ -237,7 +237,7 @@ static void cursor_marshall(CursorChannelClient
> *ccc,
>  
>              red_channel_client_init_send_data(rcc,
> SPICE_MSG_CURSOR_SET, pipe_item);
>              cursor_set.position = cmd->u.set.position;
> -            cursor_set.visible = cursor_channel->priv-
> >cursor_visible;
> +            cursor_set.visible = cursor_channel->cursor_visible;
>  
>              cursor_fill(ccc, &cursor_set.cursor, item, &info);
>              spice_marshall_msg_cursor_set(m, &cursor_set);
> @@ -307,24 +307,14 @@ static void
> cursor_channel_send_item(RedChannelClient *rcc, RedPipeItem *pipe_it
>  CursorChannel* cursor_channel_new(RedsState *server, QXLInstance
> *qxl,
>                                    const SpiceCoreInterfaceInternal
> *core)
>  {
> -    CursorChannel *cursor_channel;
> -    CommonGraphicsChannel *channel = NULL;
> -    ChannelCbs cbs = {
> -        .on_disconnect =  cursor_channel_client_on_disconnect,
> -        .send_item = cursor_channel_send_item,
> -    };
> -
>      spice_info("create cursor channel");
> -    channel = common_graphics_channel_new(server, qxl, core,
> -                                          sizeof(CursorChannel),
> -                                          SPICE_CHANNEL_CURSOR, 0,
> -                                          &cbs,
> red_channel_client_handle_message);
> -
> -    cursor_channel = CURSOR_CHANNEL(channel);
> -    cursor_channel->priv->cursor_visible = TRUE;
> -    cursor_channel->priv->mouse_mode = SPICE_MOUSE_MODE_SERVER;
> -
> -    return cursor_channel;
> +    return g_object_new(TYPE_CURSOR_CHANNEL,
> +                        "spice-server", server,
> +                        "core-interface", core,
> +                        "channel-type", SPICE_CHANNEL_CURSOR,
> +                        "migration-flags", 0,
> +                        "qxl", qxl,
> +                        NULL);
>  }
>  
>  void cursor_channel_process_cmd(CursorChannel *cursor, RedCursorCmd
> *cursor_cmd)
> @@ -341,31 +331,31 @@ void cursor_channel_process_cmd(CursorChannel
> *cursor, RedCursorCmd *cursor_cmd)
>  
>      switch (cursor_cmd->type) {
>      case QXL_CURSOR_SET:
> -        cursor->priv->cursor_visible = cursor_cmd->u.set.visible;
> +        cursor->cursor_visible = cursor_cmd->u.set.visible;
>          cursor_set_item(cursor, cursor_item);
>          break;
>      case QXL_CURSOR_MOVE:
> -        cursor_show = !cursor->priv->cursor_visible;
> -        cursor->priv->cursor_visible = TRUE;
> -        cursor->priv->cursor_position = cursor_cmd->u.position;
> +        cursor_show = !cursor->cursor_visible;
> +        cursor->cursor_visible = TRUE;
> +        cursor->cursor_position = cursor_cmd->u.position;
>          break;
>      case QXL_CURSOR_HIDE:
> -        cursor->priv->cursor_visible = FALSE;
> +        cursor->cursor_visible = FALSE;
>          break;
>      case QXL_CURSOR_TRAIL:
> -        cursor->priv->cursor_trail_length = cursor_cmd-
> >u.trail.length;
> -        cursor->priv->cursor_trail_frequency = cursor_cmd-
> >u.trail.frequency;
> +        cursor->cursor_trail_length = cursor_cmd->u.trail.length;
> +        cursor->cursor_trail_frequency = cursor_cmd-
> >u.trail.frequency;
>          break;
>      default:
>          spice_warning("invalid cursor command %u", cursor_cmd-
> >type);
>          return;
>      }
>  
> -    if (red_channel_is_connected(&cursor->common.base) &&
> -        (cursor->priv->mouse_mode == SPICE_MOUSE_MODE_SERVER
> +    if (red_channel_is_connected(RED_CHANNEL(cursor)) &&
> +        (cursor->mouse_mode == SPICE_MOUSE_MODE_SERVER
>           || cursor_cmd->type != QXL_CURSOR_MOVE
>           || cursor_show)) {
> -        red_channel_pipes_new_add(&cursor->common.base,
> +        red_channel_pipes_new_add(RED_CHANNEL(cursor),
>                                    new_cursor_pipe_item,
> cursor_item);
>      }
>  
> @@ -374,21 +364,21 @@ void cursor_channel_process_cmd(CursorChannel
> *cursor, RedCursorCmd *cursor_cmd)
>  
>  void cursor_channel_reset(CursorChannel *cursor)
>  {
> -    RedChannel *channel = &cursor->common.base;
> +    RedChannel *channel = RED_CHANNEL(cursor);
>  
>      spice_return_if_fail(cursor);
>  
>      cursor_set_item(cursor, NULL);
> -    cursor->priv->cursor_visible = TRUE;
> -    cursor->priv->cursor_position.x = cursor->priv-
> >cursor_position.y = 0;
> -    cursor->priv->cursor_trail_length = cursor->priv-
> >cursor_trail_frequency = 0;
> +    cursor->cursor_visible = TRUE;
> +    cursor->cursor_position.x = cursor->cursor_position.y = 0;
> +    cursor->cursor_trail_length = cursor->cursor_trail_frequency =
> 0;
>  
>      if (red_channel_is_connected(channel)) {
>          red_channel_pipes_add_type(channel,
> RED_PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE);
>          if
> (!common_graphics_channel_get_during_target_migrate(COMMON_GRAPHICS_C
> HANNEL(cursor))) {
>              red_pipes_add_verb(channel, SPICE_MSG_CURSOR_RESET);
>          }
> -        if (!red_channel_wait_all_sent(&cursor->common.base,
> +        if (!red_channel_wait_all_sent(channel,
>                                         COMMON_CLIENT_TIMEOUT)) {
>              red_channel_apply_clients(channel,
>                                        red_channel_client_disconnect_
> if_pending_send);
> @@ -400,7 +390,7 @@ static void
> cursor_channel_init_client(CursorChannel *cursor, CursorChannelClien
>  {
>      spice_return_if_fail(cursor);
>  
> -    if (!red_channel_is_connected(&cursor->common.base)
> +    if (!red_channel_is_connected(RED_CHANNEL(cursor))
>          ||
> common_graphics_channel_get_during_target_migrate(COMMON_GRAPHICS_CHA
> NNEL(cursor))) {
>          spice_debug("during_target_migrate: skip init");
>          return;
> @@ -413,7 +403,7 @@ static void
> cursor_channel_init_client(CursorChannel *cursor, CursorChannelClien
>          red_channel_pipes_add_type(RED_CHANNEL(cursor),
> RED_PIPE_ITEM_TYPE_CURSOR_INIT);
>  }
>  
> -void cursor_channel_init(CursorChannel *cursor)
> +void cursor_channel_do_init(CursorChannel *cursor)
>  {
>      cursor_channel_init_client(cursor, NULL);
>  }
> @@ -422,7 +412,7 @@ void cursor_channel_set_mouse_mode(CursorChannel
> *cursor, uint32_t mode)
>  {
>      spice_return_if_fail(cursor);
>  
> -    cursor->priv->mouse_mode = mode;
> +    cursor->mouse_mode = mode;
>  }
>  
>  void cursor_channel_connect(CursorChannel *cursor, RedClient
> *client, RedsStream *stream,
> @@ -447,3 +437,22 @@ void cursor_channel_connect(CursorChannel
> *cursor, RedClient *client, RedsStream
>  
>      cursor_channel_init_client(cursor, ccc);
>  }
> +
> +static void
> +cursor_channel_class_init(CursorChannelClass *klass)
> +{
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    channel_class->parser =
> spice_get_client_channel_parser(SPICE_CHANNEL_CURSOR, NULL);
> +    channel_class->handle_parsed =
> red_channel_client_handle_message;
> +
> +    channel_class->on_disconnect
> =  cursor_channel_client_on_disconnect;
> +    channel_class->send_item = cursor_channel_send_item;
> +}
> +
> +static void
> +cursor_channel_init(CursorChannel *self)
> +{
> +    self->cursor_visible = TRUE;
> +    self->mouse_mode = SPICE_MOUSE_MODE_SERVER;
> +}
> diff --git a/server/cursor-channel.h b/server/cursor-channel.h
> index bbc4868..26b2cbb 100644
> --- a/server/cursor-channel.h
> +++ b/server/cursor-channel.h
> @@ -21,12 +21,27 @@
>  #include "common-graphics-channel.h"
>  #include "red-parse-qxl.h"
>  
> +G_BEGIN_DECLS
> +
>  /**
>   * This type it's a RedChannel class which implement cursor (mouse)
>   * movements.
>   * A pointer to CursorChannel can be converted to a RedChannel.
>   */
>  typedef struct CursorChannel CursorChannel;
> +typedef struct CursorChannelClass CursorChannelClass;
> +
> +#define TYPE_CURSOR_CHANNEL cursor_channel_get_type()
> +
> +#define CURSOR_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),
> TYPE_CURSOR_CHANNEL, CursorChannel))
> +#define CURSOR_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_CURSOR_CHANNEL,
> CursorChannelClass))
> +#define IS_CURSOR_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> TYPE_CURSOR_CHANNEL))
> +#define IS_CURSOR_CHANNEL_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_CURSOR_CHANNEL))
> +#define CURSOR_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_CURSOR_CHANNEL,
> CursorChannelClass))
> +
> +GType cursor_channel_get_type(void) G_GNUC_CONST;
>  
>  /**
>   * Create CursorChannel.
> @@ -48,7 +63,7 @@
> CursorChannel*       cursor_channel_new         (RedsState *server,
> QXLInstance
>   */
>  void                 cursor_channel_disconnect  (CursorChannel
> *cursor);
>  void                 cursor_channel_reset       (CursorChannel
> *cursor);
> -void                 cursor_channel_init        (CursorChannel
> *cursor);
> +void                 cursor_channel_do_init     (CursorChannel
> *cursor);
>  void                 cursor_channel_process_cmd (CursorChannel
> *cursor, RedCursorCmd *cursor_cmd);
>  void                 cursor_channel_set_mouse_mode(CursorChannel
> *cursor, uint32_t mode);
>  
> @@ -70,4 +85,6 @@
> void                 cursor_channel_connect     (CursorChannel
> *cursor, RedClien
>   */
>  void                 cursor_channel_client_migrate(RedChannelClient
> *client);
>  
> +G_END_DECLS
> +
>  #endif /* CURSOR_CHANNEL_H_ */
> diff --git a/server/dcc-send.c b/server/dcc-send.c
> index e33f428..ef67f97 100644
> --- a/server/dcc-send.c
> +++ b/server/dcc-send.c
> @@ -20,7 +20,7 @@
>  #endif
>  
>  #include "dcc-private.h"
> -#include "display-channel.h"
> +#include "display-channel-private.h"
>  #include "red-channel-client-private.h"
>  
>  #include <common/marshaller.h>
> @@ -185,8 +185,9 @@ static void
> red_display_add_image_to_pixmap_cache(RedChannelClient *rcc,
>                                                    SpiceImage *image,
> SpiceImage *io_image,
>                                                    int is_lossy)
>  {
> +    DisplayChannel *display_channel =
> +        DISPLAY_CHANNEL(red_channel_client_get_channel(rcc));
>      DisplayChannelClient *dcc = DISPLAY_CHANNEL_CLIENT(rcc);
> -    DisplayChannel *display_channel = DCC_TO_DC(dcc);
>  
>      if ((image->descriptor.flags & SPICE_IMAGE_FLAGS_CACHE_ME)) {
>          spice_assert(image->descriptor.width * image-
> >descriptor.height > 0);
> @@ -1817,7 +1818,7 @@ static void
> display_channel_marshall_migrate_data(RedChannelClient *rcc,
>      ImageEncoders *encoders = dcc_get_encoders(dcc);
>      SpiceMigrateDataDisplay display_data = {0,};
>  
> -    display_channel = DCC_TO_DC(dcc);
> +    display_channel =
> DISPLAY_CHANNEL(red_channel_client_get_channel(rcc));
>  
>      red_channel_client_init_send_data(rcc, SPICE_MSG_MIGRATE_DATA,
> NULL);
>      spice_marshaller_add_uint32(base_marshaller,
> SPICE_MIGRATE_DATA_DISPLAY_MAGIC);
> @@ -2120,8 +2121,8 @@ static void
> marshall_qxl_drawable(RedChannelClient *rcc,
>      spice_return_if_fail(rcc);
>  
>      Drawable *item = dpi->drawable;
> -    DisplayChannel *display =
> SPICE_CONTAINEROF(red_channel_client_get_channel(rcc),
> -                                                DisplayChannel,
> common.base);
> +    DisplayChannel *display =
> +        DISPLAY_CHANNEL(red_channel_client_get_channel(rcc));
>  
>      spice_return_if_fail(display);
>      /* allow sized frames to be streamed, even if they where
> replaced by another frame, since
> diff --git a/server/dcc.c b/server/dcc.c
> index 5c05c3b..d430d43 100644
> --- a/server/dcc.c
> +++ b/server/dcc.c
> @@ -21,6 +21,7 @@
>  
>  #include "dcc-private.h"
>  #include "display-channel.h"
> +#include "display-channel-private.h"
>  #include "red-channel-client-private.h"
>  #include "main-channel-client.h"
>  #include "spice-server-enums.h"
> diff --git a/server/dcc.h b/server/dcc.h
> index 7a07981..e4fe788 100644
> --- a/server/dcc.h
> +++ b/server/dcc.h
> @@ -23,7 +23,6 @@
>  #include "image-encoders.h"
>  #include "image-cache.h"
>  #include "pixmap-cache.h"
> -#include "red-worker.h"
>  #include "display-limits.h"
>  #include "red-channel-client.h"
>  
> diff --git a/server/display-channel-private.h b/server/display-
> channel-private.h
> new file mode 100644
> index 0000000..38330da
> --- /dev/null
> +++ b/server/display-channel-private.h
> @@ -0,0 +1,76 @@
> +/*
> +   Copyright (C) 2009-2015 Red Hat, Inc.
> +
> +   This library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later
> version.
> +
> +   This library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with this library; if not, see <http://www.gnu.org/
> licenses/>.
> +*/
> +
> +#ifndef DISPLAY_CHANNEL_PRIVATE_H_
> +#define DISPLAY_CHANNEL_PRIVATE_H_
> +
> +#include "display-channel.h"
> +
> +struct DisplayChannelPrivate
> +{
> +    DisplayChannel *pub;
> +
> +    uint32_t bits_unique;
> +
> +    MonitorsConfig *monitors_config;
> +
> +    uint32_t renderer;
> +    int enable_jpeg;
> +    int enable_zlib_glz_wrap;
> +
> +    Ring current_list; // of TreeItem
> +    uint32_t current_size;
> +
> +    uint32_t drawable_count;
> +    _Drawable drawables[NUM_DRAWABLES];
> +    _Drawable *free_drawables;
> +
> +    int stream_video;
> +    GArray *video_codecs;
> +    uint32_t stream_count;
> +    Stream streams_buf[NUM_STREAMS];
> +    Stream *free_streams;
> +    Ring streams;
> +    ItemTrace items_trace[NUM_TRACE_ITEMS];
> +    uint32_t next_item_trace;
> +    uint64_t streams_size_total;
> +
> +    RedSurface surfaces[NUM_SURFACES];
> +    uint32_t n_surfaces;
> +    SpiceImageSurfaces image_surfaces;
> +
> +    ImageCache image_cache;
> +
> +    int gl_draw_async_count;
> +
> +/* TODO: some day unify this, make it more runtime.. */
> +    stat_info_t add_stat;
> +    stat_info_t exclude_stat;
> +    stat_info_t __exclude_stat;
> +#ifdef RED_WORKER_STAT
> +    uint32_t add_count;
> +    uint32_t add_with_shadow_count;
> +#endif
> +#ifdef RED_STATISTICS
> +    uint64_t *cache_hits_counter;
> +    uint64_t *add_to_cache_counter;
> +    uint64_t *non_cache_counter;
> +#endif
> +    ImageEncoderSharedData encoder_shared_data;
> +};
> +
> +#endif /* DISPLAY_CHANNEL_PRIVATE_H_ */
> diff --git a/server/display-channel.c b/server/display-channel.c
> index 0b8d6b5..decdfee 100644
> --- a/server/display-channel.c
> +++ b/server/display-channel.c
> @@ -20,7 +20,69 @@
>  
>  #include <common/sw_canvas.h>
>  
> -#include "display-channel.h"
> +#include "display-channel-private.h"
> +
> +G_DEFINE_TYPE(DisplayChannel, display_channel,
> TYPE_COMMON_GRAPHICS_CHANNEL)
> +
> +enum {
> +    PROP0,
> +    PROP_N_SURFACES,
> +    PROP_VIDEO_CODECS
> +};
> +
> +static void
> +display_channel_get_property(GObject *object,
> +                             guint property_id,
> +                             GValue *value,
> +                             GParamSpec *pspec)
> +{
> +    DisplayChannel *self = DISPLAY_CHANNEL(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_N_SURFACES:
> +            g_value_set_uint(value, self->priv->n_surfaces);
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
> +static void
> +display_channel_set_property(GObject *object,
> +                             guint property_id,
> +                             const GValue *value,
> +                             GParamSpec *pspec)
> +{
> +    DisplayChannel *self = DISPLAY_CHANNEL(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_N_SURFACES:
> +            self->priv->n_surfaces = g_value_get_uint(value);
> +            self->priv->n_surfaces = MIN(self->priv->n_surfaces,
> NUM_SURFACES);
> +            break;
> +        case PROP_VIDEO_CODECS:
> +            if (self->priv->video_codecs) {
> +                g_array_unref(self->priv->video_codecs);
> +            }
> +            self->priv->video_codecs =
> g_array_ref(g_value_get_boxed(value));
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
> +static void
> +display_channel_finalize(GObject *object)
> +{
> +    DisplayChannel *self = DISPLAY_CHANNEL(object);
> +
> +    G_OBJECT_CLASS(display_channel_parent_class)->finalize(object);
> +
> +    g_free(self->priv);
> +    g_array_unref(self->priv->video_codecs);
> +}
>  
>  static void drawable_draw(DisplayChannel *display, Drawable
> *drawable);
>  static Drawable *display_channel_drawable_try_new(DisplayChannel
> *display,
> @@ -43,12 +105,16 @@ void
> display_channel_compress_stats_reset(DisplayChannel *display)
>      image_encoder_shared_stat_reset(&display->priv-
> >encoder_shared_data);
>  }
>  
> -void display_channel_compress_stats_print(const DisplayChannel
> *display_channel)
> +void display_channel_compress_stats_print(DisplayChannel
> *display_channel)
>  {
>  #ifdef COMPRESS_STAT
> +    uint32_t id;
> +
>      spice_return_if_fail(display_channel);
>  
> -    spice_info("==> Compression stats for display %u",
> display_channel->common.base.id);
> +    g_object_get(display_channel, "id", &id, NULL);
> +
> +    spice_info("==> Compression stats for display %u", id);
>      image_encoder_shared_stat_print(&display_channel->priv-
> >encoder_shared_data);
>  #endif
>  }
> @@ -150,6 +216,11 @@ void
> display_channel_set_video_codecs(DisplayChannel *display, GArray
> *video_cod
>      display->priv->video_codecs = g_array_ref(video_codecs);
>  }
>  
> +int display_channel_get_stream_video(DisplayChannel *display)
> +{
> +    return display->priv->stream_video;
> +}
> +
>  static void stop_streams(DisplayChannel *display)
>  {
>      Ring *ring = &display->priv->streams;
> @@ -280,7 +351,7 @@ static void
> pipes_add_drawable_after(DisplayChannel *display,
>          pipes_add_drawable(display, drawable);
>          return;
>      }
> -    if (num_other_linked != g_list_length(display-
> >common.base.clients)) {
> +    if (num_other_linked !=
> red_channel_get_n_clients(RED_CHANNEL(display))) {
>          GListIter iter;
>          spice_debug("TODO: not O(n^2)");
>          FOREACH_DCC(display, iter, dcc) {
> @@ -1115,18 +1186,18 @@ void
> display_channel_process_draw(DisplayChannel *display, RedDrawable
> *red_draw
>  int display_channel_wait_for_migrate_data(DisplayChannel *display)
>  {
>      uint64_t end_time = spice_get_monotonic_time_ns() +
> DISPLAY_CLIENT_MIGRATE_DATA_TIMEOUT;
> -    RedChannel *channel = &display->common.base;
>      RedChannelClient *rcc;
>      int ret = FALSE;
> +    GList *clients = red_channel_get_clients(RED_CHANNEL(display));;
>  
> -    if (!red_channel_is_waiting_for_migrate_data(&display-
> >common.base)) {
> +    if
> (!red_channel_is_waiting_for_migrate_data(RED_CHANNEL(display))) {
>          return FALSE;
>      }
>  
>      spice_debug(NULL);
> -    spice_warn_if_fail(g_list_length(channel->clients) == 1);
> +    spice_warn_if_fail(g_list_length(clients) == 1);
>  
> -    rcc = g_list_nth_data(channel->clients, 0);
> +    rcc = g_list_nth_data(clients, 0);
>  
>      g_object_ref(rcc);
>      for (;;) {
> @@ -1900,7 +1971,7 @@ static SpiceCanvas
> *image_surfaces_get(SpiceImageSurfaces *surfaces, uint32_t su
>  
>      spice_return_val_if_fail(display_channel_validate_surface(displa
> y, surface_id), NULL);
>  
> -    return display->priv->surfaces[surface_id].context.canvas;
> +    return p->surfaces[surface_id].context.canvas;
>  }
>  
>  DisplayChannel* display_channel_new(RedsState *reds,
> @@ -1911,53 +1982,77 @@ DisplayChannel* display_channel_new(RedsState
> *reds,
>                                      uint32_t n_surfaces)
>  {
>      DisplayChannel *display;
> -    ChannelCbs cbs = {
> -        .on_disconnect = on_disconnect,
> -        .send_item = dcc_send_item,
> -        .handle_migrate_flush_mark = handle_migrate_flush_mark,
> -        .handle_migrate_data = handle_migrate_data,
> -        .handle_migrate_data_get_serial =
> handle_migrate_data_get_serial,
> -        .config_socket = dcc_config_socket
> -    };
> +
> +    /* FIXME: migrate is not used...? */
> +    spice_info("create display channel");
> +    display = g_object_new(TYPE_DISPLAY_CHANNEL,
> +                           "spice-server", reds,
> +                           "core-interface", core,
> +                           "channel-type", SPICE_CHANNEL_DISPLAY,
> +                           "migration-flags",
> +                           (SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER),
> +                           "qxl", qxl,
> +                           "n-surfaces", n_surfaces,
> +                           "video-codecs", video_codecs,
> +                           NULL);
> +    if (display) {
> +        display_channel_set_stream_video(display, stream_video);
> +    }
> +    return display;
> +}
> +
> +static SpiceCanvas *image_surfaces_get(SpiceImageSurfaces *surfaces,
> uint32_t surface_id);
> +static void drawables_init(DisplayChannel *display);
> +static void
> +display_channel_init(DisplayChannel *self)
> +{
>      static SpiceImageSurfacesOps image_surfaces_ops = {
>          image_surfaces_get,
>      };
>  
> -    spice_info("create display channel");
> -    display = DISPLAY_CHANNEL(common_graphics_channel_new(
> -        reds, qxl, core, sizeof(*display), SPICE_CHANNEL_DISPLAY,
> -        SPICE_MIGRATE_NEED_FLUSH | SPICE_MIGRATE_NEED_DATA_TRANSFER,
> -        &cbs, dcc_handle_message));
> -    spice_return_val_if_fail(display, NULL);
> -    display->priv->pub = display;
> -
> -    clockid_t stat_clock = CLOCK_THREAD_CPUTIME_ID;
> -    stat_init(&display->priv->add_stat, "add", stat_clock);
> -    stat_init(&display->priv->exclude_stat, "exclude", stat_clock);
> -    stat_init(&display->priv->__exclude_stat, "__exclude",
> stat_clock);
> -#ifdef RED_STATISTICS
> -    RedChannel *channel = RED_CHANNEL(display);
> -    display->priv->cache_hits_counter = stat_add_counter(reds,
> channel->stat,
> -                                                         "cache_hits
> ", TRUE);
> -    display->priv->add_to_cache_counter = stat_add_counter(reds,
> channel->stat,
> -                                                           "add_to_c
> ache", TRUE);
> -    display->priv->non_cache_counter = stat_add_counter(reds,
> channel->stat,
> -                                                        "non_cache",
> TRUE);
> -#endif
> -    image_encoder_shared_init(&display->priv->encoder_shared_data);
> +    /* must be manually allocated here since
> g_type_class_add_private() only
> +     * supports structs smaller than 64k */
> +    self->priv = g_new0(DisplayChannelPrivate, 1);
> +    self->priv->pub = self;
>  
> -    display->priv->n_surfaces = MIN(n_surfaces, NUM_SURFACES);
> -    display->priv->renderer = RED_RENDERER_INVALID;
> +    image_encoder_shared_init(&self->priv->encoder_shared_data);
>  
> -    ring_init(&display->priv->current_list);
> -    display->priv->image_surfaces.ops = &image_surfaces_ops;
> -    drawables_init(display);
> -    image_cache_init(&display->priv->image_cache);
> -    display->priv->stream_video = stream_video;
> -    display->priv->video_codecs = g_array_ref(video_codecs);
> -    display_channel_init_streams(display);
> +    ring_init(&self->priv->current_list);
> +    drawables_init(self);
> +    self->priv->image_surfaces.ops = &image_surfaces_ops;
> +}
>  
> -    return display;
> +static void
> +display_channel_constructed(GObject *object)
> +{
> +    DisplayChannel *self = DISPLAY_CHANNEL(object);
> +
> +    G_OBJECT_CLASS(display_channel_parent_class)-
> >constructed(object);
> +
> +    spice_assert(self->priv->video_codecs);
> +
> +    self->priv->renderer = RED_RENDERER_INVALID;
> +
> +    stat_init(&self->priv->add_stat, "add",
> CLOCK_THREAD_CPUTIME_ID);
> +    stat_init(&self->priv->exclude_stat, "exclude",
> CLOCK_THREAD_CPUTIME_ID);
> +    stat_init(&self->priv->__exclude_stat, "__exclude",
> CLOCK_THREAD_CPUTIME_ID);
> +#ifdef RED_STATISTICS
> +    QXLInstance *qxl = common_graphics_channel_get_qxl(&self-
> >parent);
> +    RedsState *reds = red_qxl_get_server(qxl->st);
> +    RedChannel *channel = RED_CHANNEL(self);
> +    self->priv->cache_hits_counter =
> +        stat_add_counter(reds, red_channel_get_stat_node(channel),
> +                         "cache_hits", TRUE);
> +    self->priv->add_to_cache_counter =
> +        stat_add_counter(reds, red_channel_get_stat_node(channel),
> +                         "add_to_cache", TRUE);
> +    self->priv->non_cache_counter =
> +        stat_add_counter(reds, red_channel_get_stat_node(channel),
> +                         "non_cache", TRUE);
> +#endif
> +    image_cache_init(&self->priv->image_cache);
> +    self->priv->stream_video = SPICE_STREAM_VIDEO_OFF;
> +    display_channel_init_streams(self);
>  }
>  
>  void display_channel_process_surface_cmd(DisplayChannel *display,
> @@ -2113,6 +2208,48 @@ void
> display_channel_reset_image_cache(DisplayChannel *self)
>      image_cache_reset(&self->priv->image_cache);
>  }
>  
> +static void
> +display_channel_class_init(DisplayChannelClass *klass)
> +{
> +    GObjectClass *object_class = G_OBJECT_CLASS(klass);
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    object_class->get_property = display_channel_get_property;
> +    object_class->set_property = display_channel_set_property;
> +    object_class->constructed = display_channel_constructed;
> +    object_class->finalize = display_channel_finalize;
> +
> +    channel_class->parser =
> spice_get_client_channel_parser(SPICE_CHANNEL_DISPLAY, NULL);
> +    channel_class->handle_parsed = dcc_handle_message;
> +
> +    channel_class->on_disconnect = on_disconnect;
> +    channel_class->send_item = dcc_send_item;
> +    channel_class->handle_migrate_flush_mark =
> handle_migrate_flush_mark;
> +    channel_class->handle_migrate_data = handle_migrate_data;
> +    channel_class->handle_migrate_data_get_serial =
> handle_migrate_data_get_serial;
> +    channel_class->config_socket = dcc_config_socket;
> +
> +    g_object_class_install_property(object_class,
> +                                    PROP_N_SURFACES,
> +                                    g_param_spec_uint("n-surfaces",
> +                                                      "number of
> surfaces",
> +                                                      "Number of
> surfaces for this channel",
> +                                                      0, G_MAXUINT,
> +                                                      0,
> +                                                      G_PARAM_CONSTR
> UCT_ONLY |
> +                                                      G_PARAM_READWR
> ITE |
> +                                                      G_PARAM_STATIC
> _STRINGS));
> +    g_object_class_install_property(object_class,
> +                                    PROP_VIDEO_CODECS,
> +                                    g_param_spec_boxed("video-
> codecs",
> +                                                       "video
> codecs",
> +                                                       "Video
> Codecs",
> +                                                       G_TYPE_ARRAY,
> +                                                       G_PARAM_CONST
> RUCT_ONLY |
> +                                                       G_PARAM_WRITA
> BLE |
> +                                                       G_PARAM_STATI
> C_STRINGS));
> +}
> +
>  void display_channel_debug_oom(DisplayChannel *display, const char
> *msg)
>  {
>      RedChannel *channel = RED_CHANNEL(display);
> diff --git a/server/display-channel.h b/server/display-channel.h
> index 3762e54..d782969 100644
> --- a/server/display-channel.h
> +++ b/server/display-channel.h
> @@ -37,7 +37,6 @@
>  #include "migration-protocol.h"
>  #include "main-dispatcher.h"
>  #include "spice-bitmap-utils.h"
> -#include "image-cache.h"
>  #include "utils.h"
>  #include "tree.h"
>  #include "stream.h"
> @@ -45,7 +44,36 @@
>  #include "image-encoders.h"
>  #include "common-graphics-channel.h"
>  
> -#define DISPLAY_CHANNEL(channel) ((DisplayChannel*)(channel))
> +G_BEGIN_DECLS
> +
> +#define TYPE_DISPLAY_CHANNEL display_channel_get_type()
> +
> +#define DISPLAY_CHANNEL(obj) \
> +    (G_TYPE_CHECK_INSTANCE_CAST((obj), TYPE_DISPLAY_CHANNEL,
> DisplayChannel))
> +#define DISPLAY_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_DISPLAY_CHANNEL,
> DisplayChannelClass))
> +#define IS_DISPLAY_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> TYPE_DISPLAY_CHANNEL))
> +#define IS_DISPLAY_CHANNEL_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_DISPLAY_CHANNEL))
> +#define DISPLAY_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_DISPLAY_CHANNEL,
> DisplayChannelClass))
> +
> +typedef struct DisplayChannel DisplayChannel;
> +typedef struct DisplayChannelClass DisplayChannelClass;
> +typedef struct DisplayChannelPrivate DisplayChannelPrivate;
> +
> +struct DisplayChannel
> +{
> +    CommonGraphicsChannel parent;
> +
> +    DisplayChannelPrivate *priv;
> +};
> +
> +struct DisplayChannelClass
> +{
> +    CommonGraphicsChannelClass parent_class;
> +};
> +
> +GType display_channel_get_type(void) G_GNUC_CONST;
>  
>  typedef struct DependItem {
>      Drawable *drawable;
> @@ -154,69 +182,8 @@ struct _Drawable {
>      } u;
>  };
>  
> -typedef struct DisplayChannelPrivate DisplayChannelPrivate;
> -/* FIXME: move to separate file */
> -struct DisplayChannelPrivate
> -{
> -    DisplayChannel *pub;
> -
> -    uint32_t bits_unique;
> -
> -    MonitorsConfig *monitors_config;
> -
> -    uint32_t renderer;
> -    int enable_jpeg;
> -    int enable_zlib_glz_wrap;
> -
> -    Ring current_list; // of TreeItem
> -    uint32_t current_size;
> -
> -    uint32_t drawable_count;
> -    _Drawable drawables[NUM_DRAWABLES];
> -    _Drawable *free_drawables;
> -
> -    int stream_video;
> -    GArray *video_codecs;
> -    uint32_t stream_count;
> -    Stream streams_buf[NUM_STREAMS];
> -    Stream *free_streams;
> -    Ring streams;
> -    ItemTrace items_trace[NUM_TRACE_ITEMS];
> -    uint32_t next_item_trace;
> -    uint64_t streams_size_total;
> -
> -    RedSurface surfaces[NUM_SURFACES];
> -    uint32_t n_surfaces;
> -    SpiceImageSurfaces image_surfaces;
> -
> -    ImageCache image_cache;
> -
> -    int gl_draw_async_count;
> -
> -/* TODO: some day unify this, make it more runtime.. */
> -    stat_info_t add_stat;
> -    stat_info_t exclude_stat;
> -    stat_info_t __exclude_stat;
> -#ifdef RED_WORKER_STAT
> -    uint32_t add_count;
> -    uint32_t add_with_shadow_count;
> -#endif
> -#ifdef RED_STATISTICS
> -    uint64_t *cache_hits_counter;
> -    uint64_t *add_to_cache_counter;
> -    uint64_t *non_cache_counter;
> -#endif
> -    ImageEncoderSharedData encoder_shared_data;
> -};
> -
> -struct DisplayChannel {
> -    CommonGraphicsChannel common; // Must be the first thing
> -
> -    DisplayChannelPrivate priv[1];
> -};
> -
>  #define FOREACH_DCC(_channel, _iter, _data) \
> -    GLIST_FOREACH((_channel ? RED_CHANNEL(_channel)->clients :
> NULL), \
> +    GLIST_FOREACH((_channel ?
> red_channel_get_clients(RED_CHANNEL(_channel)) : NULL), \
>                    _iter, DisplayChannelClient, _data)
>  
>  int display_channel_get_stream_id(DisplayChannel *display, Stream
> *stream);
> @@ -262,8 +229,9 @@
> void                       display_channel_set_stream_video          
> (DisplayCha
>                                                                      
>   int stream_video);
>  void                       display_channel_set_video_codecs         
>  (DisplayChannel *display,
>                                                                      
>   GArray *video_codecs);
> +int                        display_channel_get_stream_video         
>  (DisplayChannel *display);
>  int                        display_channel_get_streams_timeout      
>  (DisplayChannel *display);
> -void                       display_channel_compress_stats_print     
>  (const DisplayChannel *display);
> +void                       display_channel_compress_stats_print     
>  (DisplayChannel *display);
>  void                       display_channel_compress_stats_reset     
>  (DisplayChannel *display);
>  void                       display_channel_surface_unref            
>  (DisplayChannel *display,
>                                                                      
>   uint32_t surface_id);
> @@ -415,4 +383,6 @@ static inline void region_add_clip_rects(QRegion
> *rgn, SpiceClipRects *data)
>      }
>  }
>  
> +G_END_DECLS
> +
>  #endif /* DISPLAY_CHANNEL_H_ */
> diff --git a/server/dummy-channel-client.c b/server/dummy-channel-
> client.c
> index 1b72137..b7fee6f 100644
> --- a/server/dummy-channel-client.c
> +++ b/server/dummy-channel-client.c
> @@ -37,9 +37,11 @@ struct DummyChannelClientPrivate
>  
>  static int dummy_channel_client_pre_create_validate(RedChannel
> *channel, RedClient  *client)
>  {
> -    if (red_client_get_channel(client, channel->type, channel->id))
> {
> +    uint32_t type, id;
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
> +    if (red_client_get_channel(client, type, id)) {
>          spice_printerr("Error client %p: duplicate channel type %d
> id %d",
> -                       client, channel->type, channel->id);
> +                       client, type, id);
>          return FALSE;
>      }
>      return TRUE;
> @@ -54,6 +56,9 @@ static gboolean
> dummy_channel_client_initable_init(GInitable *initable,
>      RedChannelClient *rcc = RED_CHANNEL_CLIENT(self);
>      RedClient *client = red_channel_client_get_client(rcc);
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> +    uint32_t type, id;
> +
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
>      pthread_mutex_lock(&client->lock);
>      if (!dummy_channel_client_pre_create_validate(channel,
>                                                    client)) {
> @@ -61,7 +66,7 @@ static gboolean
> dummy_channel_client_initable_init(GInitable *initable,
>                      SPICE_SERVER_ERROR,
>                      SPICE_SERVER_ERROR_FAILED,
>                      "Client %p: duplicate channel type %d id %d",
> -                    client, channel->type, channel->id);
> +                    client, type, id);
>          goto cleanup;
>      }
>  
> @@ -94,10 +99,12 @@ static void
> dummy_channel_client_disconnect(RedChannelClient *rcc)
>      DummyChannelClient *self = DUMMY_CHANNEL_CLIENT(rcc);
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>      GList *link;
> +    uint32_t type, id;
>  
> -    if (channel && (link = g_list_find(channel->clients, rcc))) {
> +    if (channel && (link =
> g_list_find(red_channel_get_clients(channel), rcc))) {
> +        g_object_get(channel, "channel-type", &type, "id", &id,
> NULL);
>          spice_printerr("rcc=%p (channel=%p type=%d id=%d)", rcc,
> channel,
> -                       channel->type, channel->id);
> +                       type, id);
>          red_channel_remove_client(channel, link->data);
>      }
>      self->priv->connected = FALSE;
> diff --git a/server/dummy-channel.c b/server/dummy-channel.c
> new file mode 100644
> index 0000000..3b65bce
> --- /dev/null
> +++ b/server/dummy-channel.c
> @@ -0,0 +1,49 @@
> +/* dummy-channel.c */
> +#ifdef HAVE_CONFIG_H
> +#include <config.h>
> +#endif
> +
> +#include "dummy-channel.h"
> +
> +G_DEFINE_TYPE(DummyChannel, dummy_channel, RED_TYPE_CHANNEL)
> +
> +static void
> +dummy_channel_class_init(DummyChannelClass *klass)
> +{
> +}
> +
> +static void
> +dummy_channel_init(DummyChannel *self)
> +{
> +}
> +
> +// TODO: red_worker can use this one
> +static void dummy_watch_update_mask(SpiceWatch *watch, int
> event_mask)
> +{
> +}
> +
> +static SpiceWatch *dummy_watch_add(int fd, int event_mask,
> SpiceWatchFunc func, void *opaque)
> +{
> +    return NULL; // apparently allowed?
> +}
> +
> +static void dummy_watch_remove(SpiceWatch *watch)
> +{
> +}
> +
> +// TODO: actually, since I also use channel_client_dummym, no need
> for core. Can be NULL
> +static const SpiceCoreInterface dummy_core = {
> +    .watch_update_mask = dummy_watch_update_mask,
> +    .watch_add = dummy_watch_add,
> +    .watch_remove = dummy_watch_remove,
> +};
> +
> +RedChannel *dummy_channel_new(RedsState *reds, uint32_t type,
> uint32_t id)
> +{
> +    return g_object_new(TYPE_DUMMY_CHANNEL,
> +                        "spice-server", reds,
> +                        "core-interface", &dummy_core,
> +                        "channel-type", type,
> +                        "id", id,
> +                        NULL);
> +}
> diff --git a/server/dummy-channel.h b/server/dummy-channel.h
> new file mode 100644
> index 0000000..9527633
> --- /dev/null
> +++ b/server/dummy-channel.h
> @@ -0,0 +1,60 @@
> +/*
> +   Copyright (C) 2009-2015 Red Hat, Inc.
> +
> +   This library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later
> version.
> +
> +   This library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with this library; if not, see <http://www.gnu.org/
> licenses/>.
> +   */
> +
> +#ifndef __DUMMY_CHANNEL_H__
> +#define __DUMMY_CHANNEL_H__
> +
> +#include <glib-object.h>
> +
> +#include "red-channel.h"
> +
> +G_BEGIN_DECLS
> +
> +// TODO: tmp, for channels that don't use RedChannel yet (e.g., snd
> channel), but
> +// do use the client callbacks. So the channel clients are not
> connected (the channel doesn't
> +// have list of them, but they do have a link to the channel, and
> the client has a list of them)
> +
> +#define TYPE_DUMMY_CHANNEL dummy_channel_get_type()
> +
> +#define DUMMY_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),
> TYPE_DUMMY_CHANNEL, DummyChannel))
> +#define DUMMY_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_DUMMY_CHANNEL,
> DummyChannelClass))
> +#define _IS_DUMMY_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> TYPE_DUMMY_CHANNEL))
> +#define _IS_DUMMY_CHANNEL_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_DUMMY_CHANNEL))
> +#define DUMMY_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_DUMMY_CHANNEL,
> DummyChannelClass))
> +
> +typedef struct DummyChannel DummyChannel;
> +typedef struct DummyChannelClass DummyChannelClass;
> +
> +struct DummyChannel
> +{
> +    RedChannel parent;
> +};
> +
> +struct DummyChannelClass
> +{
> +    RedChannelClass parent_class;
> +};
> +
> +GType dummy_channel_get_type(void) G_GNUC_CONST;
> +
> +RedChannel *dummy_channel_new(RedsState *reds, uint32_t type,
> uint32_t id);
> +
> +G_END_DECLS
> +
> +#endif /* __DUMMY_CHANNEL_H__ */
> diff --git a/server/inputs-channel.c b/server/inputs-channel.c
> index d0f534a..aadcf4b 100644
> --- a/server/inputs-channel.c
> +++ b/server/inputs-channel.c
> @@ -57,6 +57,27 @@
>  #define RECEIVE_BUF_SIZE \
>      (4096 + (REDS_AGENT_WINDOW_SIZE +
> REDS_NUM_INTERNAL_AGENT_MESSAGES) * SPICE_AGENT_MAX_DATA_SIZE)
>  
> +struct InputsChannel
> +{
> +    RedChannel parent;
> +
> +    uint8_t recv_buf[RECEIVE_BUF_SIZE];
> +    VDAgentMouseState mouse_state;
> +    int src_during_migrate;
> +    SpiceTimer *key_modifiers_timer;
> +
> +    SpiceKbdInstance *keyboard;
> +    SpiceMouseInstance *mouse;
> +    SpiceTabletInstance *tablet;
> +};
> +
> +struct InputsChannelClass
> +{
> +    RedChannelClass parent_class;
> +};
> +
> +G_DEFINE_TYPE(InputsChannel, inputs_channel, RED_TYPE_CHANNEL)
> +
>  struct SpiceKbdState {
>      uint8_t push_ext_type;
>  
> @@ -105,18 +126,6 @@ RedsState*
> spice_tablet_state_get_server(SpiceTabletState *st)
>      return st->reds;
>  }
>  
> -struct InputsChannel {
> -    RedChannel base;
> -    uint8_t recv_buf[RECEIVE_BUF_SIZE];
> -    VDAgentMouseState mouse_state;
> -    int src_during_migrate;
> -    SpiceTimer *key_modifiers_timer;
> -
> -    SpiceKbdInstance *keyboard;
> -    SpiceMouseInstance *mouse;
> -    SpiceTabletInstance *tablet;
> -};
> -
>  typedef struct RedKeyModifiersPipeItem {
>      RedPipeItem base;
>      uint8_t modifiers;
> @@ -275,7 +284,7 @@ static int
> inputs_channel_handle_parsed(RedChannelClient *rcc, uint32_t size, ui
>      InputsChannel *inputs_channel =
> INPUTS_CHANNEL(red_channel_client_get_channel(rcc));
>      InputsChannelClient *icc = INPUTS_CHANNEL_CLIENT(rcc);
>      uint32_t i;
> -    RedsState *reds = red_channel_get_server(&inputs_channel->base);
> +    RedsState *reds =
> red_channel_get_server(RED_CHANNEL(inputs_channel));
>  
>      switch (type) {
>      case SPICE_MSGC_INPUTS_KEY_DOWN: {
> @@ -359,12 +368,15 @@ static int
> inputs_channel_handle_parsed(RedChannelClient *rcc, uint32_t size, ui
>                  reds_handle_agent_mouse_event(reds, &inputs_channel-
> >mouse_state);
>              } else if (inputs_channel_get_tablet(inputs_channel)) {
>                  SpiceTabletInterface *sif;
> -                sif =
> SPICE_CONTAINEROF(inputs_channel_get_tablet(inputs_channel)-
> >base.sif, SpiceTabletInterface, base);
> -                sif-
> >wheel(inputs_channel_get_tablet(inputs_channel), dz,
> RED_MOUSE_STATE_TO_LOCAL(mouse_press->buttons_state));
> +                sif =
> SPICE_CONTAINEROF(inputs_channel_get_tablet(inputs_channel)-
> >base.sif,
> +                                        SpiceTabletInterface, base);
> +                sif-
> >wheel(inputs_channel_get_tablet(inputs_channel), dz,
> +                           RED_MOUSE_STATE_TO_LOCAL(mouse_press-
> >buttons_state));
>              }
>          } else if (inputs_channel_get_mouse(inputs_channel)) {
>              SpiceMouseInterface *sif;
> -            sif =
> SPICE_CONTAINEROF(inputs_channel_get_mouse(inputs_channel)->base.sif, 
> SpiceMouseInterface, base);
> +            sif =
> SPICE_CONTAINEROF(inputs_channel_get_mouse(inputs_channel)->base.sif,
> +                                    SpiceMouseInterface, base);
>              sif->motion(inputs_channel_get_mouse(inputs_channel), 0,
> 0, dz,
>                          RED_MOUSE_STATE_TO_LOCAL(mouse_press-
> >buttons_state));
>          }
> @@ -379,12 +391,15 @@ static int
> inputs_channel_handle_parsed(RedChannelClient *rcc, uint32_t size, ui
>                  reds_handle_agent_mouse_event(reds, &inputs_channel-
> >mouse_state);
>              } else if (inputs_channel_get_tablet(inputs_channel)) {
>                  SpiceTabletInterface *sif;
> -                sif =
> SPICE_CONTAINEROF(inputs_channel_get_tablet(inputs_channel)-
> >base.sif, SpiceTabletInterface, base);
> -                sif-
> >buttons(inputs_channel_get_tablet(inputs_channel),
> RED_MOUSE_STATE_TO_LOCAL(mouse_release->buttons_state));
> +                sif =
> SPICE_CONTAINEROF(inputs_channel_get_tablet(inputs_channel)-
> >base.sif,
> +                                        SpiceTabletInterface, base);
> +                sif-
> >buttons(inputs_channel_get_tablet(inputs_channel),
> +                             RED_MOUSE_STATE_TO_LOCAL(mouse_release-
> >buttons_state));
>              }
>          } else if (inputs_channel_get_mouse(inputs_channel)) {
>              SpiceMouseInterface *sif;
> -            sif =
> SPICE_CONTAINEROF(inputs_channel_get_mouse(inputs_channel)->base.sif, 
> SpiceMouseInterface, base);
> +            sif =
> SPICE_CONTAINEROF(inputs_channel_get_mouse(inputs_channel)->base.sif,
> +                                    SpiceMouseInterface, base);
>              sif->buttons(inputs_channel_get_mouse(inputs_channel),
>                           RED_MOUSE_STATE_TO_LOCAL(mouse_release-
> >buttons_state));
>          }
> @@ -519,11 +534,11 @@ static void inputs_migrate(RedChannelClient
> *rcc)
>  
>  static void inputs_channel_push_keyboard_modifiers(InputsChannel
> *inputs, uint8_t modifiers)
>  {
> -    if (!inputs || !red_channel_is_connected(&inputs->base) ||
> +    if (!inputs || !red_channel_is_connected(RED_CHANNEL(inputs)) ||
>          inputs->src_during_migrate) {
>          return;
>      }
> -    red_channel_pipes_new_add_push(&inputs->base,
> +    red_channel_pipes_new_add_push(RED_CHANNEL(inputs),
>          red_inputs_key_modifiers_item_new, (void*)&modifiers);
>  }
>  
> @@ -569,44 +584,65 @@ static int
> inputs_channel_handle_migrate_data(RedChannelClient *rcc,
>  
>  InputsChannel* inputs_channel_new(RedsState *reds)
>  {
> -    ChannelCbs channel_cbs = { NULL, };
> +    return  g_object_new(TYPE_INPUTS_CHANNEL,
> +                         "spice-server", reds,
> +                         "core-interface",
> reds_get_core_interface(reds),
> +                         "channel-type", (int)SPICE_CHANNEL_INPUTS,
> +                         "id", 0,
> +                         "handle-acks", FALSE,
> +                         "migration-flags", 
> +                         (guint)(SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER),
> +                         NULL);
> +
> +}
> +
> +static void
> +inputs_channel_constructed(GObject *object)
> +{
>      ClientCbs client_cbs = { NULL, };
> -    InputsChannel *inputs;
> -
> -    channel_cbs.config_socket = inputs_channel_config_socket;
> -    channel_cbs.on_disconnect = inputs_channel_on_disconnect;
> -    channel_cbs.send_item = inputs_channel_send_item;
> -    channel_cbs.alloc_recv_buf = inputs_channel_alloc_msg_rcv_buf;
> -    channel_cbs.release_recv_buf =
> inputs_channel_release_msg_rcv_buf;
> -    channel_cbs.handle_migrate_data =
> inputs_channel_handle_migrate_data;
> -    channel_cbs.handle_migrate_flush_mark =
> inputs_channel_handle_migrate_flush_mark;
> -
> -    inputs = INPUTS_CHANNEL(red_channel_create_parser(
> -                                    sizeof(InputsChannel),
> -                                    reds,
> -                                    reds_get_core_interface(reds),
> -                                    SPICE_CHANNEL_INPUTS, 0,
> -                                    FALSE, /* handle_acks */
> -                                    spice_get_client_channel_parser(
> SPICE_CHANNEL_INPUTS, NULL),
> -                                    inputs_channel_handle_parsed,
> -                                    &channel_cbs,
> -                                    SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER));
> -
> -    if (!inputs) {
> -        spice_error("failed to allocate Inputs Channel");
> -    }
> +    InputsChannel *self = INPUTS_CHANNEL(object);
> +    RedsState *reds = red_channel_get_server(RED_CHANNEL(self));
> +
> +    G_OBJECT_CLASS(inputs_channel_parent_class)-
> >constructed(object);
>  
>      client_cbs.connect = inputs_connect;
>      client_cbs.migrate = inputs_migrate;
> -    red_channel_register_client_cbs(&inputs->base, &client_cbs,
> NULL);
> +    red_channel_register_client_cbs(RED_CHANNEL(self), &client_cbs,
> NULL);
>  
> -    red_channel_set_cap(&inputs->base,
> SPICE_INPUTS_CAP_KEY_SCANCODE);
> -    reds_register_channel(reds, &inputs->base);
> +    red_channel_set_cap(RED_CHANNEL(self),
> SPICE_INPUTS_CAP_KEY_SCANCODE);
> +    reds_register_channel(reds, RED_CHANNEL(self));
>  
> -    if (!(inputs->key_modifiers_timer = reds_core_timer_add(reds,
> key_modifiers_sender, inputs))) {
> +    self->key_modifiers_timer = reds_core_timer_add(reds,
> key_modifiers_sender, self);
> +    if (!self->key_modifiers_timer) {
>          spice_error("key modifiers timer create failed");
>      }
> -    return inputs;
> +}
> +
> +static void
> +inputs_channel_init(InputsChannel *self)
> +{
> +}
> +
> +
> +static void
> +inputs_channel_class_init(InputsChannelClass *klass)
> +{
> +    GObjectClass *object_class = G_OBJECT_CLASS(klass);
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    object_class->constructed = inputs_channel_constructed;
> +
> +    channel_class->parser =
> spice_get_client_channel_parser(SPICE_CHANNEL_INPUTS, NULL);
> +    channel_class->handle_parsed = inputs_channel_handle_parsed;
> +
> +    /* channel callbacks */
> +    channel_class->config_socket = inputs_channel_config_socket;
> +    channel_class->on_disconnect = inputs_channel_on_disconnect;
> +    channel_class->send_item = inputs_channel_send_item;
> +    channel_class->alloc_recv_buf =
> inputs_channel_alloc_msg_rcv_buf;
> +    channel_class->release_recv_buf =
> inputs_channel_release_msg_rcv_buf;
> +    channel_class->handle_migrate_data =
> inputs_channel_handle_migrate_data;
> +    channel_class->handle_migrate_flush_mark =
> inputs_channel_handle_migrate_flush_mark;
>  }
>  
>  static SpiceKbdInstance* inputs_channel_get_keyboard(InputsChannel
> *inputs)
> @@ -621,7 +657,7 @@ int inputs_channel_set_keyboard(InputsChannel
> *inputs, SpiceKbdInstance *keyboar
>          return -1;
>      }
>      inputs->keyboard = keyboard;
> -    inputs->keyboard->st =
> spice_kbd_state_new(red_channel_get_server(&inputs->base));
> +    inputs->keyboard->st =
> spice_kbd_state_new(red_channel_get_server(RED_CHANNEL(inputs)));
>      return 0;
>  }
>  
> diff --git a/server/inputs-channel.h b/server/inputs-channel.h
> index ae84eed..26569fa 100644
> --- a/server/inputs-channel.h
> +++ b/server/inputs-channel.h
> @@ -22,15 +22,30 @@
>  // This include should only be used by reds.c and inputs-channel.c
>  
>  #include <stdint.h>
> +#include <glib-object.h>
>  #include <spice/vd_agent.h>
>  
>  #include "red-channel.h"
>  
> -#define INPUTS_CHANNEL(channel) ((InputsChannel*)(channel))
> +G_BEGIN_DECLS
> +
> +#define TYPE_INPUTS_CHANNEL inputs_channel_get_type()
> +
> +#define INPUTS_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),
> TYPE_INPUTS_CHANNEL, InputsChannel))
> +#define INPUTS_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_INPUTS_CHANNEL,
> InputsChannelClass))
> +#define INPUTS_IS_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> TYPE_INPUTS_CHANNEL))
> +#define INPUTS_IS_CHANNEL_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_INPUTS_CHANNEL))
> +#define INPUTS_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_INPUTS_CHANNEL,
> InputsChannelClass))
>  
>  typedef struct InputsChannel InputsChannel;
> +typedef struct InputsChannelClass InputsChannelClass;
> +
> +GType inputs_channel_get_type(void) G_GNUC_CONST;
>  
>  InputsChannel* inputs_channel_new(RedsState *reds);
> +
>  const VDAgentMouseState
> *inputs_channel_get_mouse_state(InputsChannel *inputs);
>  void inputs_channel_on_keyboard_leds_change(InputsChannel *inputs,
> uint8_t leds);
>  void inputs_channel_set_tablet_logical_size(InputsChannel *inputs,
> int x_res, int y_res);
> @@ -44,4 +59,6 @@ RedsState*
> spice_tablet_state_get_server(SpiceTabletState *dev);
>  RedsState* spice_kbd_state_get_server(SpiceKbdState *dev);
>  gboolean inputs_channel_is_src_during_migrate(InputsChannel
> *inputs);
>  
> +G_END_DECLS
> +
>  #endif
> diff --git a/server/main-channel-client.c b/server/main-channel-
> client.c
> index b47b1e0..daa3dfc 100644
> --- a/server/main-channel-client.c
> +++ b/server/main-channel-client.c
> @@ -435,7 +435,7 @@ void
> main_channel_client_handle_migrate_connected(MainChannelClient *mcc,
>      spice_printerr("client %p connected: %d seamless %d", client,
> success, seamless);
>      if (mcc->priv->mig_wait_connect) {
>          RedChannel *channel =
> red_channel_client_get_channel(RED_CHANNEL_CLIENT(mcc));
> -        MainChannel *main_channel = SPICE_CONTAINEROF(channel,
> MainChannel, base);
> +        MainChannel *main_channel = MAIN_CHANNEL(channel);
>  
>          mcc->priv->mig_wait_connect = FALSE;
>          mcc->priv->mig_connect_ok = success;
> @@ -453,7 +453,7 @@ void
> main_channel_client_handle_migrate_dst_do_seamless(MainChannelClient
> *mcc,
>                                                          uint32_t
> src_version)
>  {
>      RedChannel *channel =
> red_channel_client_get_channel(RED_CHANNEL_CLIENT(mcc));
> -    if (reds_on_migrate_dst_set_seamless(channel->reds, mcc,
> src_version)) {
> +    if
> (reds_on_migrate_dst_set_seamless(red_channel_get_server(channel),
> mcc, src_version)) {
>          mcc->priv->seamless_mig_dst = TRUE;
>          red_channel_client_pipe_add_empty_msg(RED_CHANNEL_CLIENT(mcc
> ),
>                                               SPICE_MSG_MAIN_MIGRATE_
> DST_SEAMLESS_ACK);
> @@ -553,7 +553,7 @@ void
> main_channel_client_migrate_dst_complete(MainChannelClient *mcc)
>      if (mcc->priv->mig_wait_prev_complete) {
>          if (mcc->priv->mig_wait_prev_try_seamless) {
>              RedChannel *channel =
> red_channel_client_get_channel(RED_CHANNEL_CLIENT(mcc));
> -            spice_assert(g_list_length(channel->clients) == 1);
> +            spice_assert(red_channel_get_n_clients(channel) == 1);
>              red_channel_client_pipe_add_type(RED_CHANNEL_CLIENT(mcc)
> ,
>                                               RED_PIPE_ITEM_TYPE_MAIN
> _MIGRATE_BEGIN_SEAMLESS);
>          } else {
> @@ -609,9 +609,11 @@ static void do_ping_client(MainChannelClient
> *mcc,
>          if (has_interval && interval > 0) {
>              mcc->priv->ping_interval = interval * MSEC_PER_SEC;
>          }
> -        reds_core_timer_start(channel->reds, mcc->priv->ping_timer,
> mcc->priv->ping_interval);
> +        reds_core_timer_start(red_channel_get_server(channel),
> +                              mcc->priv->ping_timer, mcc->priv-
> >ping_interval);
>      } else if (!strcmp(opt, "off")) {
> -        reds_core_timer_cancel(channel->reds, mcc->priv-
> >ping_timer);
> +        reds_core_timer_cancel(red_channel_get_server(channel),
> +                               mcc->priv->ping_timer);
>      } else {
>          return;
>      }
> @@ -624,11 +626,13 @@ static void ping_timer_cb(void *opaque)
>  
>      if (!red_channel_client_is_connected(RED_CHANNEL_CLIENT(mcc))) {
>          spice_printerr("not connected to peer, ping off");
> -        reds_core_timer_cancel(channel->reds, mcc->priv-
> >ping_timer);
> +        reds_core_timer_cancel(red_channel_get_server(channel),
> +                               mcc->priv->ping_timer);
>          return;
>      }
>      do_ping_client(mcc, NULL, 0, 0);
> -    reds_core_timer_start(channel->reds, mcc->priv->ping_timer, mcc-
> >priv->ping_interval);
> +    reds_core_timer_start(red_channel_get_server(channel),
> +                          mcc->priv->ping_timer, mcc->priv-
> >ping_interval);
>  }
>  #endif /* RED_STATISTICS */
>  
> @@ -693,7 +697,8 @@ uint64_t
> main_channel_client_get_roundtrip_ms(MainChannelClient *mcc)
>  void main_channel_client_migrate(RedChannelClient *rcc)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> -    reds_on_main_channel_migrate(channel->reds,
> MAIN_CHANNEL_CLIENT(rcc));
> +    reds_on_main_channel_migrate(red_channel_get_server(channel),
> +                                 MAIN_CHANNEL_CLIENT(rcc));
>      red_channel_client_default_migrate(rcc);
>  }
>  
> @@ -754,7 +759,7 @@ static void
> main_channel_marshall_channels(RedChannelClient *rcc,
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>  
>      red_channel_client_init_send_data(rcc,
> SPICE_MSG_MAIN_CHANNELS_LIST, item);
> -    channels_info = reds_msg_channels_new(channel->reds);
> +    channels_info =
> reds_msg_channels_new(red_channel_get_server(channel));
>      spice_marshall_msg_main_channels_list(m, channels_info);
>      free(channels_info);
>  }
> @@ -829,7 +834,8 @@ static void
> main_channel_marshall_migrate_data_item(RedChannelClient *rcc,
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>      red_channel_client_init_send_data(rcc, SPICE_MSG_MIGRATE_DATA,
> item);
> -    reds_marshall_migrate_data(channel->reds, m); // TODO: from reds
> split. ugly separation.
> +    // TODO: from reds split. ugly separation.
> +    reds_marshall_migrate_data(red_channel_get_server(channel), m);
>  }
>  
>  static void main_channel_marshall_init(RedChannelClient *rcc,
> @@ -847,7 +853,7 @@ static void
> main_channel_marshall_init(RedChannelClient *rcc,
>      if (item->is_client_mouse_allowed) {
>          init.supported_mouse_modes |= SPICE_MOUSE_MODE_CLIENT;
>      }
> -    init.agent_connected = reds_has_vdagent(channel->reds);
> +    init.agent_connected =
> reds_has_vdagent(red_channel_get_server(channel));
>      init.agent_tokens = REDS_AGENT_WINDOW_SIZE;
>      init.multi_media_time = item->multi_media_time;
>      init.ram_hint = item->ram_hint;
> @@ -891,11 +897,9 @@ static void
> main_channel_marshall_migrate_begin(SpiceMarshaller *m, RedChannelCl
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>      SpiceMsgMainMigrationBegin migrate;
> -    MainChannel *main_ch;
>  
>      red_channel_client_init_send_data(rcc,
> SPICE_MSG_MAIN_MIGRATE_BEGIN, item);
> -    main_ch = SPICE_CONTAINEROF(channel, MainChannel, base);
> -    main_channel_fill_migrate_dst_info(main_ch, &migrate.dst_info);
> +    main_channel_fill_migrate_dst_info(MAIN_CHANNEL(channel),
> &migrate.dst_info);
>      spice_marshall_msg_main_migrate_begin(m, &migrate);
>  }
>  
> @@ -905,11 +909,9 @@ static void
> main_channel_marshall_migrate_begin_seamless(SpiceMarshaller *m,
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>      SpiceMsgMainMigrateBeginSeamless migrate_seamless;
> -    MainChannel *main_ch;
>  
>      red_channel_client_init_send_data(rcc,
> SPICE_MSG_MAIN_MIGRATE_BEGIN_SEAMLESS, item);
> -    main_ch = SPICE_CONTAINEROF(channel, MainChannel, base);
> -    main_channel_fill_migrate_dst_info(main_ch,
> &migrate_seamless.dst_info);
> +    main_channel_fill_migrate_dst_info(MAIN_CHANNEL(channel),
> &migrate_seamless.dst_info);
>      migrate_seamless.src_mig_version =
> SPICE_MIGRATION_PROTOCOL_VERSION;
>      spice_marshall_msg_main_migrate_begin_seamless(m,
> &migrate_seamless);
>  }
> @@ -935,7 +937,7 @@ static void
> main_channel_marshall_migrate_switch(SpiceMarshaller *m, RedChannelC
>  
>      spice_printerr("");
>      red_channel_client_init_send_data(rcc,
> SPICE_MSG_MAIN_MIGRATE_SWITCH_HOST, item);
> -    main_ch = SPICE_CONTAINEROF(channel, MainChannel, base);
> +    main_ch = MAIN_CHANNEL(channel);
>      mig_target = main_channel_get_migration_target(main_ch);
>      migrate.port = mig_target->port;
>      migrate.sport = mig_target->sport;
> diff --git a/server/main-channel.c b/server/main-channel.c
> index e69e34e..cf5ee6a 100644
> --- a/server/main-channel.c
> +++ b/server/main-channel.c
> @@ -27,9 +27,30 @@
>  #include "main-channel.h"
>  #include "main-channel-client.h"
>  
> +// approximate max receive message size for main channel
> +#define MAIN_CHANNEL_RECEIVE_BUF_SIZE \
> +    (4096 + (REDS_AGENT_WINDOW_SIZE +
> REDS_NUM_INTERNAL_AGENT_MESSAGES) * SPICE_AGENT_MAX_DATA_SIZE)
> +
> +struct MainChannel
> +{
> +    RedChannel parent;
> +
> +    uint8_t recv_buf[MAIN_CHANNEL_RECEIVE_BUF_SIZE];
> +    // TODO: add refs and release (afrer all clients completed
> migration in one way or the other?)
> +    RedsMigSpice mig_target;
> +    int num_clients_mig_wait;
> +};
> +
> +struct MainChannelClass
> +{
> +    RedChannelClass parent_class;
> +};
> +
> +G_DEFINE_TYPE(MainChannel, main_channel, RED_TYPE_CHANNEL)
> +
>  int main_channel_is_connected(MainChannel *main_chan)
>  {
> -    return red_channel_is_connected(&main_chan->base);
> +    return red_channel_is_connected(RED_CHANNEL(main_chan));
>  }
>  
>  /*
> @@ -76,27 +97,29 @@ void main_channel_push_mouse_mode(MainChannel
> *main_chan, int current_mode,
>          .is_client_mouse_allowed=is_client_mouse_allowed,
>      };
>  
> -    red_channel_pipes_new_add_push(&main_chan->base,
> +    red_channel_pipes_new_add_push(RED_CHANNEL(main_chan),
>          main_mouse_mode_item_new, &info);
>  }
>  
>  void main_channel_push_agent_connected(MainChannel *main_chan)
>  {
> -    if (red_channel_test_remote_cap(&main_chan->base,
> SPICE_MAIN_CAP_AGENT_CONNECTED_TOKENS)) {
> -        red_channel_pipes_add_type(&main_chan->base,
> RED_PIPE_ITEM_TYPE_MAIN_AGENT_CONNECTED_TOKENS);
> +    if (red_channel_test_remote_cap(RED_CHANNEL(main_chan),
> +                                    SPICE_MAIN_CAP_AGENT_CONNECTED_T
> OKENS)) {
> +        red_channel_pipes_add_type(RED_CHANNEL(main_chan),
> +                                   RED_PIPE_ITEM_TYPE_MAIN_AGENT_CON
> NECTED_TOKENS);
>      } else {
> -        red_channel_pipes_add_empty_msg(&main_chan->base,
> SPICE_MSG_MAIN_AGENT_CONNECTED);
> +        red_channel_pipes_add_empty_msg(RED_CHANNEL(main_chan),
> SPICE_MSG_MAIN_AGENT_CONNECTED);
>      }
>  }
>  
>  void main_channel_push_agent_disconnected(MainChannel *main_chan)
>  {
> -    red_channel_pipes_add_type(&main_chan->base,
> RED_PIPE_ITEM_TYPE_MAIN_AGENT_DISCONNECTED);
> +    red_channel_pipes_add_type(RED_CHANNEL(main_chan),
> RED_PIPE_ITEM_TYPE_MAIN_AGENT_DISCONNECTED);
>  }
>  
>  static void main_channel_push_migrate_data_item(MainChannel
> *main_chan)
>  {
> -    red_channel_pipes_add_type(&main_chan->base,
> RED_PIPE_ITEM_TYPE_MAIN_MIGRATE_DATA);
> +    red_channel_pipes_add_type(RED_CHANNEL(main_chan),
> RED_PIPE_ITEM_TYPE_MAIN_MIGRATE_DATA);
>  }
>  
>  static int main_channel_handle_migrate_data(RedChannelClient *rcc,
> @@ -107,7 +130,7 @@ static int
> main_channel_handle_migrate_data(RedChannelClient *rcc,
>      SpiceMigrateDataHeader *header = (SpiceMigrateDataHeader
> *)message;
>  
>      /* not supported with multi-clients */
> -    spice_assert(g_list_length(channel->clients) == 1);
> +    spice_assert(red_channel_get_n_clients(channel) == 1);
>  
>      if (size < sizeof(SpiceMigrateDataHeader) +
> sizeof(SpiceMigrateDataMain)) {
>          spice_printerr("bad message size %u", size);
> @@ -119,7 +142,9 @@ static int
> main_channel_handle_migrate_data(RedChannelClient *rcc,
>          spice_error("bad header");
>          return FALSE;
>      }
> -    return reds_handle_migrate_data(channel->reds, mcc,
> (SpiceMigrateDataMain *)(header + 1), size);
> +    return reds_handle_migrate_data(red_channel_get_server(channel),
> mcc,
> +                                    (SpiceMigrateDataMain *)(header
> + 1),
> +                                    size);
>  }
>  
>  void main_channel_push_multi_media_time(MainChannel *main_chan, int
> time)
> @@ -128,7 +153,7 @@ void
> main_channel_push_multi_media_time(MainChannel *main_chan, int time)
>          .time = time,
>      };
>  
> -    red_channel_pipes_new_add_push(&main_chan->base,
> +    red_channel_pipes_new_add_push(RED_CHANNEL(main_chan),
>          main_multi_media_time_item_new, &info);
>  }
>  
> @@ -150,15 +175,16 @@ static void
> main_channel_fill_mig_target(MainChannel *main_channel, RedsMigSpice
>  void main_channel_migrate_switch(MainChannel *main_chan,
> RedsMigSpice *mig_target)
>  {
>      main_channel_fill_mig_target(main_chan, mig_target);
> -    red_channel_pipes_add_type(&main_chan->base,
> RED_PIPE_ITEM_TYPE_MAIN_MIGRATE_SWITCH_HOST);
> +    red_channel_pipes_add_type(RED_CHANNEL(main_chan),
> RED_PIPE_ITEM_TYPE_MAIN_MIGRATE_SWITCH_HOST);
>  }
>  
>  static int main_channel_handle_parsed(RedChannelClient *rcc,
> uint32_t size, uint16_t type,
>                                        void *message)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> -    MainChannel *main_chan = SPICE_CONTAINEROF(channel, MainChannel,
> base);
> +    MainChannel *main_chan = MAIN_CHANNEL(channel);
>      MainChannelClient *mcc = MAIN_CHANNEL_CLIENT(rcc);
> +    RedsState *reds = red_channel_get_server(channel);
>  
>      switch (type) {
>      case SPICE_MSGC_MAIN_AGENT_START: {
> @@ -169,18 +195,18 @@ static int
> main_channel_handle_parsed(RedChannelClient *rcc, uint32_t size, uint
>              return FALSE;
>          }
>          tokens = (SpiceMsgcMainAgentStart *)message;
> -        reds_on_main_agent_start(channel->reds, mcc, tokens-
> >num_tokens);
> +        reds_on_main_agent_start(reds, mcc, tokens->num_tokens);
>          break;
>      }
>      case SPICE_MSGC_MAIN_AGENT_DATA: {
> -        reds_on_main_agent_data(channel->reds, mcc, message, size);
> +        reds_on_main_agent_data(reds, mcc, message, size);
>          break;
>      }
>      case SPICE_MSGC_MAIN_AGENT_TOKEN: {
>          SpiceMsgcMainAgentTokens *tokens;
>  
>          tokens = (SpiceMsgcMainAgentTokens *)message;
> -        reds_on_main_agent_tokens(channel->reds, mcc, tokens-
> >num_tokens);
> +        reds_on_main_agent_tokens(reds, mcc, tokens->num_tokens);
>          break;
>      }
>      case SPICE_MSGC_MAIN_ATTACH_CHANNELS:
> @@ -204,7 +230,7 @@ static int
> main_channel_handle_parsed(RedChannelClient *rcc, uint32_t size, uint
>              ((SpiceMsgcMainMigrateDstDoSeamless *)message)-
> >src_version);
>          break;
>      case SPICE_MSGC_MAIN_MOUSE_MODE_REQUEST:
> -        reds_on_main_mouse_mode_request(channel->reds, message,
> size);
> +        reds_on_main_mouse_mode_request(reds, message, size);
>          break;
>      case SPICE_MSGC_PONG: {
>          main_channel_client_handle_pong(mcc, (SpiceMsgPing
> *)message, size);
> @@ -226,11 +252,11 @@ static uint8_t
> *main_channel_alloc_msg_rcv_buf(RedChannelClient *rcc,
>                                                 uint32_t size)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> -    MainChannel *main_chan = SPICE_CONTAINEROF(channel, MainChannel,
> base);
> +    MainChannel *main_chan = MAIN_CHANNEL(channel);
>      MainChannelClient *mcc = MAIN_CHANNEL_CLIENT(rcc);
>  
>      if (type == SPICE_MSGC_MAIN_AGENT_DATA) {
> -        return reds_get_agent_data_buffer(channel->reds, mcc, size);
> +        return
> reds_get_agent_data_buffer(red_channel_get_server(channel), mcc,
> size);
>      } else {
>          return main_chan->recv_buf;
>      }
> @@ -243,7 +269,7 @@ static void
> main_channel_release_msg_rcv_buf(RedChannelClient *rcc,
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>      if (type == SPICE_MSGC_MAIN_AGENT_DATA) {
> -        reds_release_agent_data_buffer(channel->reds, msg);
> +        reds_release_agent_data_buffer(red_channel_get_server(channe
> l), msg);
>      }
>  }
>  
> @@ -256,8 +282,7 @@ static int
> main_channel_handle_migrate_flush_mark(RedChannelClient *rcc)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>      spice_debug(NULL);
> -    main_channel_push_migrate_data_item(SPICE_CONTAINEROF(channel,
> -                                        MainChannel, base));
> +    main_channel_push_migrate_data_item(MAIN_CHANNEL(channel));
>      return TRUE;
>  }
>  
> @@ -282,12 +307,14 @@ MainChannelClient
> *main_channel_link(MainChannel *channel, RedClient *client,
>  
>  int main_channel_getsockname(MainChannel *main_chan, struct sockaddr
> *sa, socklen_t *salen)
>  {
> -    return main_chan ?
> getsockname(red_channel_get_first_socket(&main_chan->base), sa,
> salen) : -1;
> +    return main_chan ?
> +        getsockname(red_channel_get_first_socket(RED_CHANNEL(main_ch
> an)), sa, salen) : -1;
>  }
>  
>  int main_channel_getpeername(MainChannel *main_chan, struct sockaddr
> *sa, socklen_t *salen)
>  {
> -    return main_chan ?
> getpeername(red_channel_get_first_socket(&main_chan->base), sa,
> salen) : -1;
> +    return main_chan ?
> +        getpeername(red_channel_get_first_socket(RED_CHANNEL(main_ch
> an)), sa, salen) : -1;
>  }
>  
>  // TODO: ? shouldn't it disonnect all clients? or shutdown all
> main_channels?
> @@ -295,42 +322,64 @@ void main_channel_close(MainChannel *main_chan)
>  {
>      int socketfd;
>  
> -    if (main_chan && (socketfd =
> red_channel_get_first_socket(&main_chan->base)) != -1) {
> +    if (main_chan && (socketfd =
> red_channel_get_first_socket(RED_CHANNEL(main_chan))) != -1) {
>          close(socketfd);
>      }
>  }
>  
>  MainChannel* main_channel_new(RedsState *reds)
>  {
> -    RedChannel *channel;
> -    ChannelCbs channel_cbs = { NULL, };
> -    ClientCbs client_cbs = {NULL, };
> +    // TODO: set the migration flag of the channel
> +    return g_object_new(TYPE_MAIN_CHANNEL,
> +                        "spice-server", reds,
> +                        "core-interface",
> reds_get_core_interface(reds),
> +                        "channel-type", (gint)SPICE_CHANNEL_MAIN,
> +                        "id", 0,
> +                        "handle-acks", FALSE, /* handle_acks */
> +                        "migration-flags",
> +                        (SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER),
> +                        NULL);
> +}
> +
> +static void
> +main_channel_constructed(GObject *object)
> +{
> +    MainChannel *self = MAIN_CHANNEL(object);
> +    ClientCbs client_cbs = { NULL, };
>  
> -    channel_cbs.config_socket = main_channel_config_socket;
> -    channel_cbs.on_disconnect = main_channel_client_on_disconnect;
> -    channel_cbs.send_item = main_channel_client_send_item;
> -    channel_cbs.alloc_recv_buf = main_channel_alloc_msg_rcv_buf;
> -    channel_cbs.release_recv_buf = main_channel_release_msg_rcv_buf;
> -    channel_cbs.handle_migrate_flush_mark =
> main_channel_handle_migrate_flush_mark;
> -    channel_cbs.handle_migrate_data =
> main_channel_handle_migrate_data;
> +    G_OBJECT_CLASS(main_channel_parent_class)->constructed(object);
>  
> -    // TODO: set the migration flag of the channel
> -    channel = red_channel_create_parser(sizeof(MainChannel), reds,
> -                                        reds_get_core_interface(reds
> ),
> -                                        SPICE_CHANNEL_MAIN, 0,
> -                                        FALSE, /* handle_acks */
> -                                        spice_get_client_channel_par
> ser(SPICE_CHANNEL_MAIN, NULL),
> -                                        main_channel_handle_parsed,
> -                                        &channel_cbs,
> -                                        SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER);
> -    spice_assert(channel);
> -    red_channel_set_cap(channel,
> SPICE_MAIN_CAP_SEMI_SEAMLESS_MIGRATE);
> -    red_channel_set_cap(channel, SPICE_MAIN_CAP_SEAMLESS_MIGRATE);
> +    red_channel_set_cap(RED_CHANNEL(self),
> SPICE_MAIN_CAP_SEMI_SEAMLESS_MIGRATE);
> +    red_channel_set_cap(RED_CHANNEL(self),
> SPICE_MAIN_CAP_SEAMLESS_MIGRATE);
>  
>      client_cbs.migrate = main_channel_client_migrate;
> -    red_channel_register_client_cbs(channel, &client_cbs, NULL);
> +    red_channel_register_client_cbs(RED_CHANNEL(self), &client_cbs,
> NULL);
> +}
>  
> -    return MAIN_CHANNEL(channel);
> +static void
> +main_channel_init(MainChannel *self)
> +{
> +}
> +
> +static void
> +main_channel_class_init(MainChannelClass *klass)
> +{
> +    GObjectClass *object_class = G_OBJECT_CLASS(klass);
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    object_class->constructed = main_channel_constructed;
> +
> +    channel_class->parser =
> spice_get_client_channel_parser(SPICE_CHANNEL_MAIN, NULL);
> +    channel_class->handle_parsed = main_channel_handle_parsed;
> +
> +    /* channel callbacks */
> +    channel_class->config_socket = main_channel_config_socket;
> +    channel_class->on_disconnect =
> main_channel_client_on_disconnect;
> +    channel_class->send_item = main_channel_client_send_item;
> +    channel_class->alloc_recv_buf = main_channel_alloc_msg_rcv_buf;
> +    channel_class->release_recv_buf =
> main_channel_release_msg_rcv_buf;
> +    channel_class->handle_migrate_flush_mark =
> main_channel_handle_migrate_flush_mark;
> +    channel_class->handle_migrate_data =
> main_channel_handle_migrate_data;
>  }
>  
>  static int main_channel_connect_semi_seamless(MainChannel
> *main_channel)
> @@ -351,7 +400,7 @@ static int
> main_channel_connect_seamless(MainChannel *main_channel)
>      GListIter iter;
>      RedChannelClient *rcc;
>  
> -    spice_assert(g_list_length(main_channel->base.clients) == 1);
> +    spice_assert(red_channel_get_n_clients(RED_CHANNEL(main_channel)
> ) == 1);
>  
>      FOREACH_CLIENT(main_channel, iter, rcc) {
>          MainChannelClient *mcc = MAIN_CHANNEL_CLIENT(rcc);
> @@ -375,8 +424,10 @@ int main_channel_migrate_connect(MainChannel
> *main_channel, RedsMigSpice *mig_ta
>          return main_channel_connect_semi_seamless(main_channel);
>      } else {
>          RedChannelClient *rcc;
> +        GList *clients =
> red_channel_get_clients(RED_CHANNEL(main_channel));
>  
> -        rcc = g_list_nth_data(main_channel->base.clients, 0);
> +        /* just test the first one */
> +        rcc = g_list_nth_data(clients, 0);
>  
>          if (!red_channel_client_test_remote_cap(rcc,
>                                                  SPICE_MAIN_CAP_SEAML
> ESS_MIGRATE)) {
> @@ -408,7 +459,7 @@ int main_channel_migrate_src_complete(MainChannel
> *main_chan, int success)
>  
>      spice_printerr("");
>  
> -    if (!main_chan->base.clients) {
> +    if (!red_channel_get_clients(RED_CHANNEL(main_chan))) {
>          spice_printerr("no peer connected");
>          return 0;
>      }
> diff --git a/server/main-channel.h b/server/main-channel.h
> index 6e89f14..19beb7c 100644
> --- a/server/main-channel.h
> +++ b/server/main-channel.h
> @@ -19,22 +19,34 @@
>  #define __MAIN_CHANNEL_H__
>  
>  #include <stdint.h>
> +#include <glib-object.h>
>  #include <spice/vd_agent.h>
>  #include <common/marshaller.h>
>  
>  #include "red-channel.h"
>  
> -#define MAIN_CHANNEL(channel) ((MainChannel*)(channel))
> +G_BEGIN_DECLS
> +
> +#define TYPE_MAIN_CHANNEL main_channel_get_type()
> +
> +#define MAIN_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),
> TYPE_MAIN_CHANNEL, MainChannel))
> +#define MAIN_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_MAIN_CHANNEL,
> MainChannelClass))
> +#define IS_MAIN_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> TYPE_MAIN_CHANNEL))
> +#define IS_MAIN_CHANNEL_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_MAIN_CHANNEL))
> +#define MAIN_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_MAIN_CHANNEL,
> MainChannelClass))
> +
> +typedef struct MainChannel MainChannel;
> +typedef struct MainChannelClass MainChannelClass;
> +
> +GType main_channel_get_type(void) G_GNUC_CONST;
>  
>  // TODO: Defines used to calculate receive buffer size, and also by
> reds.c
>  // other options: is to make a reds_main_consts.h, to duplicate
> defines.
>  #define REDS_AGENT_WINDOW_SIZE 10
>  #define REDS_NUM_INTERNAL_AGENT_MESSAGES 1
>  
> -// approximate max receive message size for main channel
> -#define MAIN_CHANNEL_RECEIVE_BUF_SIZE \
> -    (4096 + (REDS_AGENT_WINDOW_SIZE +
> REDS_NUM_INTERNAL_AGENT_MESSAGES) * SPICE_AGENT_MAX_DATA_SIZE)
> -
>  struct RedsMigSpice {
>      char *host;
>      char *cert_subject;
> @@ -43,14 +55,6 @@ struct RedsMigSpice {
>  };
>  typedef struct RedsMigSpice RedsMigSpice;
>  
> -typedef struct MainChannel {
> -    RedChannel base;
> -    uint8_t recv_buf[MAIN_CHANNEL_RECEIVE_BUF_SIZE];
> -    RedsMigSpice mig_target; // TODO: add refs and release (afrer
> all clients completed migration in one way or the other?)
> -    int num_clients_mig_wait;
> -} MainChannel;
> -
> -
>  MainChannel *main_channel_new(RedsState *reds);
>  RedClient *main_channel_get_client_by_link_id(MainChannel
> *main_chan, uint32_t link_id);
>  /* This is a 'clone' from the reds.h Channel.link callback to allow
> passing link_id */
> @@ -83,4 +87,6 @@ int main_channel_migrate_src_complete(MainChannel
> *main_chan, int success);
>  void main_channel_on_migrate_connected(MainChannel *main_channel,
>                                         gboolean success, gboolean
> seamless);
>  
> +G_END_DECLS
> +
>  #endif
> diff --git a/server/red-channel-client-private.h b/server/red-
> channel-client-private.h
> index 83fef23..e77cdf9 100644
> --- a/server/red-channel-client-private.h
> +++ b/server/red-channel-client-private.h
> @@ -21,6 +21,25 @@
>  #include "red-channel.h"
>  #include "red-channel-client.h"
>  
> +typedef struct RedChannelClientLatencyMonitor {
> +    int state;
> +    uint64_t last_pong_time;
> +    SpiceTimer *timer;
> +    uint32_t id;
> +    int tcp_nodelay;
> +    int warmup_was_sent;
> +
> +    int64_t roundtrip;
> +} RedChannelClientLatencyMonitor;
> +
> +typedef struct RedChannelClientConnectivityMonitor {
> +    int state;
> +    uint32_t out_bytes;
> +    uint32_t in_bytes;
> +    uint32_t timeout;
> +    SpiceTimer *timer;
> +} RedChannelClientConnectivityMonitor;
> +
>  typedef struct OutgoingHandler {
>      OutgoingHandlerInterface *cb;
>      void *opaque;
> diff --git a/server/red-channel-client.c b/server/red-channel-
> client.c
> index 9426b13..c562e8e 100644
> --- a/server/red-channel-client.c
> +++ b/server/red-channel-client.c
> @@ -93,6 +93,8 @@ typedef struct MarkerPipeItem {
>  
>  static void red_channel_client_start_ping_timer(RedChannelClient
> *rcc, uint32_t timeout)
>  {
> +    SpiceCoreInterfaceInternal *core;
> +
>      if (!rcc->priv->latency_monitor.timer) {
>          return;
>      }
> @@ -100,11 +102,15 @@ static void
> red_channel_client_start_ping_timer(RedChannelClient *rcc, uint32_t
>          return;
>      }
>      rcc->priv->latency_monitor.state = PING_STATE_TIMER;
> -    rcc->priv->channel->core->timer_start(rcc->priv-
> >latency_monitor.timer, timeout);
> +
> +    core = red_channel_get_core_interface(rcc->priv->channel);
> +    core->timer_start(rcc->priv->latency_monitor.timer, timeout);
>  }
>  
>  static void red_channel_client_cancel_ping_timer(RedChannelClient
> *rcc)
>  {
> +    SpiceCoreInterfaceInternal *core;
> +
>      if (!rcc->priv->latency_monitor.timer) {
>          return;
>      }
> @@ -112,7 +118,8 @@ static void
> red_channel_client_cancel_ping_timer(RedChannelClient *rcc)
>          return;
>      }
>  
> -    rcc->priv->channel->core->timer_cancel(rcc->priv-
> >latency_monitor.timer);
> +    core = red_channel_get_core_interface(rcc->priv->channel);
> +    core->timer_cancel(rcc->priv->latency_monitor.timer);
>      rcc->priv->latency_monitor.state = PING_STATE_NONE;
>  }
>  
> @@ -187,10 +194,10 @@ red_channel_client_set_property(GObject
> *object,
>              break;
>          case PROP_CHANNEL:
>              if (self->priv->channel)
> -                red_channel_unref(self->priv->channel);
> +                g_object_unref(self->priv->channel);
>              self->priv->channel = g_value_get_pointer(value);
>              if (self->priv->channel)
> -                red_channel_ref(self->priv->channel);
> +                g_object_ref(self->priv->channel);
>              break;
>          case PROP_CLIENT:
>              self->priv->client = g_value_get_pointer(value);
> @@ -243,7 +250,7 @@ red_channel_client_finalize(GObject *object)
>  
>      red_channel_client_destroy_remote_caps(self);
>      if (self->priv->channel) {
> -        red_channel_unref(self->priv->channel);
> +        g_object_unref(self->priv->channel);
>      }
>  
>      G_OBJECT_CLASS(red_channel_client_parent_class)-
> >finalize(object);
> @@ -361,7 +368,6 @@ void red_channel_client_on_output(void *opaque,
> int n)
>      if (rcc->priv->connectivity_monitor.timer) {
>          rcc->priv->connectivity_monitor.out_bytes += n;
>      }
> -    stat_inc_counter(reds, rcc->priv->channel->out_bytes_counter,
> n);
>  }
>  
>  void red_channel_client_on_input(void *opaque, int n)
> @@ -391,12 +397,14 @@ void red_channel_client_prepare_out_msg(void
> *opaque, struct iovec *vec,
>  
>  void red_channel_client_on_out_block(void *opaque)
>  {
> +    SpiceCoreInterfaceInternal *core;
>      RedChannelClient *rcc = RED_CHANNEL_CLIENT(opaque);
>  
>      rcc->priv->send_data.blocked = TRUE;
> -    rcc->priv->channel->core->watch_update_mask(rcc->priv->stream-
> >watch,
> -                                                SPICE_WATCH_EVENT_RE
> AD |
> -                                                SPICE_WATCH_EVENT_WR
> ITE);
> +    core = red_channel_get_core_interface(rcc->priv->channel);
> +    core->watch_update_mask(rcc->priv->stream->watch,
> +                            SPICE_WATCH_EVENT_READ |
> +                            SPICE_WATCH_EVENT_WRITE);
>  }
>  
>  static inline int
> red_channel_client_urgent_marshaller_is_active(RedChannelClient *rcc)
> @@ -439,9 +447,9 @@ static void
> red_channel_client_send_migrate(RedChannelClient *rcc)
>      SpiceMsgMigrate migrate;
>  
>      red_channel_client_init_send_data(rcc, SPICE_MSG_MIGRATE, NULL);
> -    migrate.flags = rcc->priv->channel->migration_flags;
> +    g_object_get(rcc->priv->channel, "migration-flags",
> &migrate.flags, NULL);
>      spice_marshall_msg_migrate(rcc->priv->send_data.marshaller,
> &migrate);
> -    if (rcc->priv->channel->migration_flags &
> SPICE_MIGRATE_NEED_FLUSH) {
> +    if (migrate.flags & SPICE_MIGRATE_NEED_FLUSH) {
>          rcc->priv->wait_migrate_flush_mark = TRUE;
>      }
>  
> @@ -515,7 +523,7 @@ static void
> red_channel_client_send_item(RedChannelClient *rcc, RedPipeItem *ite
>          case RED_PIPE_ITEM_TYPE_MARKER:
>              break;
>          default:
> -            rcc->priv->channel->channel_cbs.send_item(rcc, item);
> +            red_channel_send_item(rcc->priv->channel, rcc, item);
>              break;
>      }
>      red_pipe_item_unref(item);
> @@ -558,9 +566,10 @@ void red_channel_client_on_out_msg_done(void
> *opaque)
>  
>      red_channel_client_release_sent_item(rcc);
>      if (rcc->priv->send_data.blocked) {
> +        SpiceCoreInterfaceInternal *core =
> red_channel_get_core_interface(rcc->priv->channel);
>          rcc->priv->send_data.blocked = FALSE;
> -        rcc->priv->channel->core->watch_update_mask(rcc->priv-
> >stream->watch,
> -                                                    SPICE_WATCH_EVEN
> T_READ);
> +        core->watch_update_mask(rcc->priv->stream->watch,
> +                                SPICE_WATCH_EVENT_READ);
>      }
>  
>      if (red_channel_client_urgent_marshaller_is_active(rcc)) {
> @@ -645,8 +654,13 @@ static void red_channel_client_ping_timer(void
> *opaque)
>  
>  static inline int
> red_channel_client_waiting_for_ack(RedChannelClient *rcc)
>  {
> -    return (rcc->priv->channel->handle_acks &&
> -            (rcc->priv->ack_data.messages_window > rcc->priv-
> >ack_data.client_window * 2));
> +    gboolean handle_acks;
> +    g_object_get(rcc->priv->channel,
> +                 "handle-acks", &handle_acks,
> +                 NULL);
> +
> +    return (handle_acks && (rcc->priv->ack_data.messages_window >
> +                            rcc->priv->ack_data.client_window * 2));
>  }
>  
>  /*
> @@ -687,6 +701,7 @@ static void
> red_channel_client_connectivity_timer(void *opaque)
>      }
>  
>      if (is_alive) {
> +        SpiceCoreInterfaceInternal *core =
> red_channel_get_core_interface(rcc->priv->channel);
>          monitor->in_bytes = 0;
>          monitor->out_bytes = 0;
>          if (rcc->priv->send_data.blocked ||
> red_channel_client_waiting_for_ack(rcc)) {
> @@ -697,18 +712,24 @@ static void
> red_channel_client_connectivity_timer(void *opaque)
>          } else {
>               monitor->state = CONNECTIVITY_STATE_CONNECTED;
>          }
> -        rcc->priv->channel->core->timer_start(rcc->priv-
> >connectivity_monitor.timer,
> +        core->timer_start(rcc->priv->connectivity_monitor.timer,
>                                                rcc->priv-
> >connectivity_monitor.timeout);
>      } else {
> +        uint32_t type, id;
> +        g_object_get(rcc->priv->channel,
> +                     "channel-type", &type,
> +                     "id", &id,
> +                     NULL);
>          monitor->state = CONNECTIVITY_STATE_DISCONNECTED;
>          spice_warning("rcc %p on channel %d:%d has been unresponsive
> for more than %u ms, disconnecting",
> -                      rcc, rcc->priv->channel->type, rcc->priv-
> >channel->id, monitor->timeout);
> +                      rcc, type, id, monitor->timeout);
>          red_channel_client_disconnect(rcc);
>      }
>  }
>  
>  void
> red_channel_client_start_connectivity_monitoring(RedChannelClient
> *rcc, uint32_t timeout_ms)
>  {
> +    SpiceCoreInterfaceInternal *core =
> red_channel_get_core_interface(rcc->priv->channel);
>      if (!red_channel_client_is_connected(rcc)) {
>          return;
>      }
> @@ -721,8 +742,8 @@ void
> red_channel_client_start_connectivity_monitoring(RedChannelClient
> *rcc, uin
>       * on this channel.
>       */
>      if (rcc->priv->latency_monitor.timer == NULL) {
> -        rcc->priv->latency_monitor.timer = rcc->priv->channel->core-
> >timer_add(
> -            rcc->priv->channel->core, red_channel_client_ping_timer,
> rcc);
> +        rcc->priv->latency_monitor.timer = core->timer_add(
> +            core, red_channel_client_ping_timer, rcc);
>          if (!red_client_during_migrate_at_target(rcc->priv->client)) 
> {
>              red_channel_client_start_ping_timer(rcc,
> PING_TEST_IDLE_NET_TIMEOUT_MS);
>          }
> @@ -730,12 +751,12 @@ void
> red_channel_client_start_connectivity_monitoring(RedChannelClient
> *rcc, uin
>      }
>      if (rcc->priv->connectivity_monitor.timer == NULL) {
>          rcc->priv->connectivity_monitor.state =
> CONNECTIVITY_STATE_CONNECTED;
> -        rcc->priv->connectivity_monitor.timer = rcc->priv->channel-
> >core->timer_add(
> -            rcc->priv->channel->core,
> red_channel_client_connectivity_timer, rcc);
> +        rcc->priv->connectivity_monitor.timer = core->timer_add(
> +            core, red_channel_client_connectivity_timer, rcc);
>          rcc->priv->connectivity_monitor.timeout = timeout_ms;
>          if (!red_client_during_migrate_at_target(rcc->priv->client)) 
> {
> -           rcc->priv->channel->core->timer_start(rcc->priv-
> >connectivity_monitor.timer,
> -                                                 rcc->priv-
> >connectivity_monitor.timeout);
> +            core->timer_start(rcc->priv->connectivity_monitor.timer,
> +                              rcc->priv-
> >connectivity_monitor.timeout);
>          }
>      }
>  }
> @@ -832,9 +853,11 @@ static const SpiceDataHeaderOpaque
> mini_header_wrapper = {NULL, sizeof(SpiceMini
>  
>  static int red_channel_client_pre_create_validate(RedChannel
> *channel, RedClient  *client)
>  {
> -    if (red_client_get_channel(client, channel->type, channel->id))
> {
> +    uint32_t type, id;
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
> +    if (red_client_get_channel(client, type, id)) {
>          spice_printerr("Error client %p: duplicate channel type %d
> id %d",
> -                       client, channel->type, channel->id);
> +                       client, type, id);
>          return FALSE;
>      }
>      return TRUE;
> @@ -845,24 +868,28 @@ static gboolean
> red_channel_client_initable_init(GInitable *initable,
>                                                   GError **error)
>  {
>      GError *local_error = NULL;
> +    SpiceCoreInterfaceInternal *core;
>      RedChannelClient *self = RED_CHANNEL_CLIENT(initable);
>      pthread_mutex_lock(&self->priv->client->lock);
>      if (!red_channel_client_pre_create_validate(self->priv->channel, 
> self->priv->client)) {
> +        uint32_t id, type;
> +        g_object_get(self->priv->channel,
> +                     "channel-type", &type,
> +                     "id", &id,
> +                     NULL);
>          g_set_error(&local_error,
>                      SPICE_SERVER_ERROR,
>                      SPICE_SERVER_ERROR_FAILED,
>                      "Client %p: duplicate channel type %d id %d",
> -                    self->priv->client, self->priv->channel->type,
> -                    self->priv->channel->id);
> +                    self->priv->client, type, id);
>          goto cleanup;
>      }
>  
> +    core = red_channel_get_core_interface(self->priv->channel);
>      if (self->priv->monitor_latency
>          && reds_stream_get_family(self->priv->stream) != AF_UNIX) {
>          self->priv->latency_monitor.timer =
> -            self->priv->channel->core->timer_add(self->priv-
> >channel->core,
> -                                                 red_channel_client_
> ping_timer,
> -                                                 self);
> +            core->timer_add(core, red_channel_client_ping_timer,
> self);
>  
>          if (!self->priv->client->during_target_migrate) {
>              red_channel_client_start_ping_timer(self,
> @@ -872,27 +899,26 @@ static gboolean
> red_channel_client_initable_init(GInitable *initable,
>      }
>  
>      self->incoming.opaque = self;
> -    self->incoming.cb = &self->priv->channel->incoming_cb;
> +    self->incoming.cb = red_channel_get_incoming_handler(self->priv-
> >channel);
>      self->incoming.header.data = self->incoming.header_buf;
>  
>      self->priv->outgoing.opaque = self;
> -    self->priv->outgoing.cb = &self->priv->channel->outgoing_cb;
> +    self->priv->outgoing.cb = red_channel_get_outgoing_handler(self-
> >priv->channel);
>      self->priv->outgoing.pos = 0;
>      self->priv->outgoing.size = 0;
>  
>      g_queue_init(&self->priv->pipe);
>      if (self->priv->stream)
>          self->priv->stream->watch =
> -            self->priv->channel->core->watch_add(self->priv-
> >channel->core,
> -                                                 self->priv->stream-
> >socket,
> -                                                 SPICE_WATCH_EVENT_R
> EAD,
> -                                                 red_channel_client_
> event,
> -                                                 self);
> -    self->priv->id = g_list_length(self->priv->channel->clients);
> +            core->watch_add(core, self->priv->stream->socket,
> +                            SPICE_WATCH_EVENT_READ,
> +                            red_channel_client_event,
> +                            self);
> +    self->priv->id = red_channel_get_n_clients(self->priv->channel);
>      red_channel_add_client(self->priv->channel, self);
>      red_client_add_channel(self->priv->client, self);
>  
> -    if (!self->priv->channel->channel_cbs.config_socket(self)) {
> +    if (!red_channel_config_socket(self->priv->channel, self)) {
>          g_set_error_literal(&local_error,
>                              SPICE_SERVER_ERROR,
>                              SPICE_SERVER_ERROR_FAILED,
> @@ -953,8 +979,9 @@ static void
> red_channel_client_seamless_migration_done(RedChannelClient *rcc)
>              red_channel_client_start_ping_timer(rcc,
> PING_TEST_IDLE_NET_TIMEOUT_MS);
>          }
>          if (rcc->priv->connectivity_monitor.timer) {
> -            rcc->priv->channel->core->timer_start(rcc->priv-
> >connectivity_monitor.timer,
> -                                                  rcc->priv-
> >connectivity_monitor.timeout);
> +            SpiceCoreInterfaceInternal *core =
> red_channel_get_core_interface(rcc->priv->channel);
> +            core->timer_start(rcc->priv->connectivity_monitor.timer,
> +                              rcc->priv-
> >connectivity_monitor.timeout);
>          }
>      }
>  }
> @@ -973,13 +1000,14 @@ int
> red_channel_client_is_waiting_for_migrate_data(RedChannelClient *rcc)
>  
>  void red_channel_client_default_migrate(RedChannelClient *rcc)
>  {
> +    SpiceCoreInterfaceInternal *core =
> red_channel_get_core_interface(rcc->priv->channel);
>      if (rcc->priv->latency_monitor.timer) {
>          red_channel_client_cancel_ping_timer(rcc);
> -        rcc->priv->channel->core->timer_remove(rcc->priv-
> >latency_monitor.timer);
> +        core->timer_remove(rcc->priv->latency_monitor.timer);
>          rcc->priv->latency_monitor.timer = NULL;
>      }
>      if (rcc->priv->connectivity_monitor.timer) {
> -       rcc->priv->channel->core->timer_remove(rcc->priv-
> >connectivity_monitor.timer);
> +        core->timer_remove(rcc->priv->connectivity_monitor.timer);
>          rcc->priv->connectivity_monitor.timer = NULL;
>      }
>      red_channel_client_pipe_add_type(rcc,
> RED_PIPE_ITEM_TYPE_MIGRATE);
> @@ -996,7 +1024,8 @@ void red_channel_client_destroy(RedChannelClient
> *rcc)
>  void red_channel_client_shutdown(RedChannelClient *rcc)
>  {
>      if (rcc->priv->stream && !rcc->priv->stream->shutdown) {
> -        rcc->priv->channel->core->watch_remove(rcc->priv->stream-
> >watch);
> +        SpiceCoreInterfaceInternal *core =
> red_channel_get_core_interface(rcc->priv->channel);
> +        core->watch_remove(rcc->priv->stream->watch);
>          rcc->priv->stream->watch = NULL;
>          shutdown(rcc->priv->stream->socket, SHUT_RDWR);
>          rcc->priv->stream->shutdown = TRUE;
> @@ -1227,8 +1256,10 @@ void red_channel_client_push(RedChannelClient
> *rcc)
>      }
>      if (red_channel_client_no_item_being_sent(rcc) &&
> g_queue_is_empty(&rcc->priv->pipe)
>          && rcc->priv->stream->watch) {
> -        rcc->priv->channel->core->watch_update_mask(rcc->priv-
> >stream->watch,
> -                                                    SPICE_WATCH_EVEN
> T_READ);
> +        SpiceCoreInterfaceInternal *core;
> +        core = red_channel_get_core_interface(rcc->priv->channel);
> +        core->watch_update_mask(rcc->priv->stream->watch,
> +                                SPICE_WATCH_EVENT_READ);
>      }
>      rcc->priv->during_send = FALSE;
>      g_object_unref(rcc);
> @@ -1302,8 +1333,9 @@ static void
> red_channel_client_handle_pong(RedChannelClient *rcc, SpiceMsgPing *
>  static void
> red_channel_client_handle_migrate_flush_mark(RedChannelClient *rcc)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> -    if (channel->channel_cbs.handle_migrate_flush_mark) {
> -        channel->channel_cbs.handle_migrate_flush_mark(rcc);
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(channel);
> +    if (klass->handle_migrate_flush_mark) {
> +        klass->handle_migrate_flush_mark(rcc);
>      }
>  }
>  
> @@ -1319,20 +1351,24 @@ static void
> red_channel_client_handle_migrate_data(RedChannelClient *rcc,
>                                                     void *message)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(channel);
> +    uint32_t type, id;
> +
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
>      spice_debug("channel type %d id %d rcc %p size %u",
> -                channel->type, channel->id, rcc, size);
> -    if (!channel->channel_cbs.handle_migrate_data) {
> +                type, id, rcc, size);
> +    if (!klass->handle_migrate_data) {
>          return;
>      }
>      if (!red_channel_client_is_waiting_for_migrate_data(rcc)) {
>          spice_channel_client_error(rcc, "unexpected");
>          return;
>      }
> -    if (channel->channel_cbs.handle_migrate_data_get_serial) {
> +    if (klass->handle_migrate_data_get_serial) {
>          red_channel_client_set_message_serial(rcc,
> -            channel->channel_cbs.handle_migrate_data_get_serial(rcc, 
> size, message));
> +            klass->handle_migrate_data_get_serial(rcc, size,
> message));
>      }
> -    if (!channel->channel_cbs.handle_migrate_data(rcc, size,
> message)) {
> +    if (!klass->handle_migrate_data(rcc, size, message)) {
>          spice_channel_client_error(rcc, "handle_migrate_data
> failed");
>          return;
>      }
> @@ -1448,9 +1484,10 @@ static inline gboolean
> prepare_pipe_add(RedChannelClient *rcc, RedPipeItem *item
>          return FALSE;
>      }
>      if (g_queue_is_empty(&rcc->priv->pipe) && rcc->priv->stream-
> >watch) {
> -        rcc->priv->channel->core->watch_update_mask(rcc->priv-
> >stream->watch,
> -                                                    SPICE_WATCH_EVEN
> T_READ |
> -                                                    SPICE_WATCH_EVEN
> T_WRITE);
> +        SpiceCoreInterfaceInternal *core;
> +        core = red_channel_get_core_interface(rcc->priv->channel);
> +        core->watch_update_mask(rcc->priv->stream->watch,
> +                                SPICE_WATCH_EVENT_READ |
> SPICE_WATCH_EVENT_WRITE);
>      }
>      return TRUE;
>  }
> @@ -1562,7 +1599,7 @@ gboolean
> red_channel_client_is_mini_header(RedChannelClient *rcc)
>  static gboolean
> red_channel_client_default_is_connected(RedChannelClient *rcc)
>  {
>      return rcc->priv->channel
> -        && (g_list_find(rcc->priv->channel->clients, rcc) != NULL);
> +        && (g_list_find(red_channel_get_clients(rcc->priv->channel), 
> rcc) != NULL);
>  }
>  
>  gboolean red_channel_client_is_connected(RedChannelClient *rcc)
> @@ -1613,27 +1650,30 @@ void
> red_channel_client_push_set_ack(RedChannelClient *rcc)
>  static void red_channel_client_default_disconnect(RedChannelClient
> *rcc)
>  {
>      RedChannel *channel = rcc->priv->channel;
> +    SpiceCoreInterfaceInternal *core =
> red_channel_get_core_interface(channel);
> +    uint32_t type, id;
>  
>      if (!red_channel_client_is_connected(rcc)) {
>          return;
>      }
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
>      spice_printerr("rcc=%p (channel=%p type=%d id=%d)", rcc,
> channel,
> -                   channel->type, channel->id);
> +                   type, id);
>      red_channel_client_pipe_clear(rcc);
>      if (rcc->priv->stream->watch) {
> -        channel->core->watch_remove(rcc->priv->stream->watch);
> +        core->watch_remove(rcc->priv->stream->watch);
>          rcc->priv->stream->watch = NULL;
>      }
>      if (rcc->priv->latency_monitor.timer) {
> -        channel->core->timer_remove(rcc->priv-
> >latency_monitor.timer);
> +        core->timer_remove(rcc->priv->latency_monitor.timer);
>          rcc->priv->latency_monitor.timer = NULL;
>      }
>      if (rcc->priv->connectivity_monitor.timer) {
> -        channel->core->timer_remove(rcc->priv-
> >connectivity_monitor.timer);
> +        core->timer_remove(rcc->priv->connectivity_monitor.timer);
>          rcc->priv->connectivity_monitor.timer = NULL;
>      }
>      red_channel_remove_client(channel, rcc);
> -    channel->channel_cbs.on_disconnect(rcc);
> +    red_channel_on_disconnect(channel, rcc);
>  }
>  
>  void red_channel_client_disconnect(RedChannelClient *rcc)
> @@ -1800,13 +1840,18 @@ void
> red_channel_client_pipe_remove_and_release_pos(RedChannelClient *rcc,
>  gboolean red_channel_client_set_migration_seamless(RedChannelClient
> *rcc)
>  {
>      gboolean ret = FALSE;
> -
> -    if (rcc->priv->channel->migration_flags &
> SPICE_MIGRATE_NEED_DATA_TRANSFER) {
> +    uint32_t type, id, flags;
> +
> +    g_object_get(rcc->priv->channel,
> +                 "channel-type", &type,
> +                 "id", &id,
> +                 "migration-flags", &flags,
> +                 NULL);
> +    if (flags & SPICE_MIGRATE_NEED_DATA_TRANSFER) {
>          rcc->priv->wait_migrate_data = TRUE;
>          ret = TRUE;
>      }
> -    spice_debug("channel type %d id %d rcc %p wait data %d", rcc-
> >priv->channel->type,
> -                rcc->priv->channel->id, rcc,
> +    spice_debug("channel type %d id %d rcc %p wait data %d", type,
> id, rcc,
>                  rcc->priv->wait_migrate_data);
>  
>      return ret;
> diff --git a/server/red-channel-client.h b/server/red-channel-
> client.h
> index c2c6407..862d1c9 100644
> --- a/server/red-channel-client.h
> +++ b/server/red-channel-client.h
> @@ -62,8 +62,10 @@ GType red_channel_client_get_type(void)
> G_GNUC_CONST;
>  #define spice_channel_client_error(rcc, format,
> ...)                                     \
>      do
> {                                                                    
>              \
>          RedChannel *_ch =
> red_channel_client_get_channel(rcc);                           \
> +        uint32_t _type,
> _id;                                                             \
> +        g_object_get(_ch, "channel-type", &_type, "id", &_id,
> NULL);                     \
>          spice_warning("rcc %p type %u id %u: " format,
> rcc,                              \
> -                    _ch->type, _ch->id, ##
> __VA_ARGS__);                                 \
> +                    type, id, ##
> __VA_ARGS__);                                           \
>          red_channel_client_shutdown(rcc);                           
>                      \
>      } while (0)
>  
> diff --git a/server/red-channel.c b/server/red-channel.c
> index af49824..4281414 100644
> --- a/server/red-channel.c
> +++ b/server/red-channel.c
> @@ -69,9 +69,137 @@
>   * from the channel's thread.
>  */
>  
> -void red_channel_receive(RedChannel *channel)
> +G_DEFINE_ABSTRACT_TYPE(RedChannel, red_channel, G_TYPE_OBJECT)
> +
> +#define CHANNEL_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o),
> RED_TYPE_CHANNEL, RedChannelPrivate))
> +
> +struct RedChannelPrivate
> +{
> +    uint32_t type;
> +    uint32_t id;
> +
> +    SpiceCoreInterfaceInternal *core;
> +    gboolean handle_acks;
> +
> +    // RedChannel will hold only connected channel clients 
> +    // (logic - when pushing pipe item to all channel clients, there
> +    // is no need to go over disconnect clients)
> +    // . While client will hold the channel clients till it is
> destroyed
> +    // and then it will destroy them as well.
> +    // However RCC still holds a reference to the Channel.
> +    // Maybe replace these logic with ref count?
> +    // TODO: rename to 'connected_clients'?
> +    GList *clients;
> +
> +    RedChannelCapabilities local_caps;
> +    uint32_t migration_flags;
> +
> +    void *data;
> +
> +    OutgoingHandlerInterface outgoing_cb;
> +    IncomingHandlerInterface incoming_cb;
> +
> +    ClientCbs client_cbs;
> +    // TODO: when different channel_clients are in different threads
> +    // from Channel -> need to protect!
> +    pthread_t thread_id;
> +    RedsState *reds;
> +#ifdef RED_STATISTICS
> +    StatNodeRef stat;
> +    uint64_t *out_bytes_counter;
> +#endif
> +};
> +
> +enum {
> +    PROP0,
> +    PROP_SPICE_SERVER,
> +    PROP_CORE_INTERFACE,
> +    PROP_TYPE,
> +    PROP_ID,
> +    PROP_HANDLE_ACKS,
> +    PROP_MIGRATION_FLAGS
> +};
> +
> +static void
> +red_channel_get_property(GObject *object,
> +                         guint property_id,
> +                         GValue *value,
> +                         GParamSpec *pspec)
> +{
> +    RedChannel *self = RED_CHANNEL(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_SPICE_SERVER:
> +            g_value_set_pointer(value, self->priv->reds);
> +            break;
> +        case PROP_CORE_INTERFACE:
> +            g_value_set_pointer(value, self->priv->core);
> +            break;
> +        case PROP_TYPE:
> +            g_value_set_int(value, self->priv->type);
> +            break;
> +        case PROP_ID:
> +            g_value_set_uint(value, self->priv->id);
> +            break;
> +        case PROP_HANDLE_ACKS:
> +            g_value_set_boolean(value, self->priv->handle_acks);
> +            break;
> +        case PROP_MIGRATION_FLAGS:
> +            g_value_set_uint(value, self->priv->migration_flags);
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
> +static void
> +red_channel_set_property(GObject *object,
> +                         guint property_id,
> +                         const GValue *value,
> +                         GParamSpec *pspec)
> +{
> +    RedChannel *self = RED_CHANNEL(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_SPICE_SERVER:
> +            self->priv->reds = g_value_get_pointer(value);
> +            break;
> +        case PROP_CORE_INTERFACE:
> +            self->priv->core = g_value_get_pointer(value);
> +            break;
> +        case PROP_TYPE:
> +            self->priv->type = g_value_get_int(value);
> +            break;
> +        case PROP_ID:
> +            self->priv->id = g_value_get_uint(value);
> +            break;
> +        case PROP_HANDLE_ACKS:
> +            self->priv->handle_acks = g_value_get_boolean(value);
> +            break;
> +        case PROP_MIGRATION_FLAGS:
> +            self->priv->migration_flags = g_value_get_uint(value);
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
> +static void
> +red_channel_finalize(GObject *object)
>  {
> -    g_list_foreach(channel->clients,
> (GFunc)red_channel_client_receive, NULL);
> +    RedChannel *self = RED_CHANNEL(object);
> +
> +    if (self->priv->local_caps.num_common_caps) {
> +        free(self->priv->local_caps.common_caps);
> +    }
> +
> +    if (self->priv->local_caps.num_caps) {
> +        free(self->priv->local_caps.caps);
> +    }
> +
> +    G_OBJECT_CLASS(red_channel_parent_class)->finalize(object);
>  }
>  
>  static void
> red_channel_client_default_peer_on_error(RedChannelClient *rcc)
> @@ -79,10 +207,158 @@ static void
> red_channel_client_default_peer_on_error(RedChannelClient *rcc)
>      red_channel_client_disconnect(rcc);
>  }
>  
> +static void red_channel_on_output(void *opaque, int n)
> +{
> +    RedChannelClient *rcc = opaque;
> +    RedChannel *self = red_channel_client_get_channel(rcc);;
> +
> +    red_channel_client_on_output(opaque, n);
> +
> +    stat_inc_counter(self->priv->reds, self->priv-
> >out_bytes_counter, n);
> +}
> +
> +static void
> +red_channel_constructed(GObject *object)
> +{
> +    RedChannel *self = RED_CHANNEL(object);
> +    spice_debug("%p: channel type %d id %d thread_id 0x%lx", self,
> +                self->priv->type, self->priv->id, self->priv-
> >thread_id);
> +
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    self->priv->incoming_cb.alloc_msg_buf =
> +        (alloc_msg_recv_buf_proc)klass->alloc_recv_buf;
> +    self->priv->incoming_cb.release_msg_buf =
> +        (release_msg_recv_buf_proc)klass->release_recv_buf;
> +    self->priv->incoming_cb.handle_message =
> (handle_message_proc)klass->handle_message;
> +    self->priv->incoming_cb.handle_parsed =
> (handle_parsed_proc)klass->handle_parsed;
> +    self->priv->incoming_cb.parser = klass->parser;
> +
> +    G_OBJECT_CLASS(red_channel_parent_class)->constructed(object);
> +}
> +
> +static void red_channel_client_default_connect(RedChannel *channel,
> RedClient *client,
> +                                               RedsStream *stream,
> +                                               int migration,
> +                                               int num_common_caps,
> uint32_t *common_caps,
> +                                               int num_caps,
> uint32_t *caps)
> +{
> +    spice_error("not implemented");
> +}
> +
> +static void red_channel_client_default_disconnect(RedChannelClient
> *base)
> +{
> +    red_channel_client_disconnect(base);
> +}
> +
> +static void
> +red_channel_class_init(RedChannelClass *klass)
> +{
> +    GParamSpec *spec;
> +    GObjectClass *object_class = G_OBJECT_CLASS(klass);
> +
> +    g_type_class_add_private(klass, sizeof (RedChannelPrivate));
> +
> +    object_class->get_property = red_channel_get_property;
> +    object_class->set_property = red_channel_set_property;
> +    object_class->finalize = red_channel_finalize;
> +    object_class->constructed = red_channel_constructed;
> +
> +    spec = g_param_spec_pointer("spice-server",
> +                                "spice-server",
> +                                "The spice server associated with
> this channel",
> +                                G_PARAM_READWRITE |
> +                                G_PARAM_CONSTRUCT_ONLY |
> +                                G_PARAM_STATIC_STRINGS);
> +    g_object_class_install_property(object_class, PROP_SPICE_SERVER,
> spec);
> +
> +    spec = g_param_spec_pointer("core-interface",
> +                                "core-interface",
> +                                "The SpiceCoreInterface server
> associated with this channel",
> +                                G_PARAM_READWRITE |
> +                                G_PARAM_CONSTRUCT_ONLY |
> +                                G_PARAM_STATIC_STRINGS);
> +    g_object_class_install_property(object_class,
> PROP_CORE_INTERFACE, spec);
> +
> +    /* FIXME: generate enums for this in spice-common? */
> +    spec = g_param_spec_int("channel-type",
> +                            "channel type",
> +                            "Type of this channel",
> +                            0,
> +                            SPICE_END_CHANNEL,
> +                            0,
> +                            G_PARAM_READWRITE |
> +                            G_PARAM_CONSTRUCT_ONLY |
> +                            G_PARAM_STATIC_STRINGS);
> +    g_object_class_install_property(object_class, PROP_TYPE, spec);
> +
> +    spec = g_param_spec_uint("id",
> +                             "id",
> +                             "ID of this channel",
> +                             0,
> +                             G_MAXUINT,
> +                             0,
> +                             G_PARAM_READWRITE |
> +                             G_PARAM_CONSTRUCT_ONLY |
> +                             G_PARAM_STATIC_STRINGS);
> +    g_object_class_install_property(object_class, PROP_ID, spec);
> +
> +    spec = g_param_spec_boolean("handle-acks",
> +                                "Handle ACKs",
> +                                "Whether this channel handles ACKs",
> +                                FALSE,
> +                                G_PARAM_READWRITE |
> +                                G_PARAM_CONSTRUCT_ONLY |
> +                                G_PARAM_STATIC_STRINGS);
> +    g_object_class_install_property(object_class, PROP_HANDLE_ACKS,
> spec);
> +
> +    spec = g_param_spec_uint("migration-flags",
> +                             "migration flags",
> +                             "Migration flags for this channel",
> +                             0,
> +                             G_MAXUINT,
> +                             0,
> +                             G_PARAM_READWRITE |
> +                             G_PARAM_CONSTRUCT_ONLY |
> +                             G_PARAM_STATIC_STRINGS);
> +    g_object_class_install_property(object_class,
> PROP_MIGRATION_FLAGS, spec);
> +}
> +
> +static void
> +red_channel_init(RedChannel *self)
> +{
> +    self->priv = CHANNEL_PRIVATE(self);
> +
> +    red_channel_set_common_cap(self, SPICE_COMMON_CAP_MINI_HEADER);
> +    self->priv->thread_id = pthread_self();
> +    self->priv->out_bytes_counter = 0;
> +
> +    // TODO: send incoming_cb as parameters instead of duplicating?
> +    self->priv->incoming_cb.on_error =
> +        (on_incoming_error_proc)red_channel_client_default_peer_on_e
> rror;
> +    self->priv->incoming_cb.on_input = red_channel_client_on_input;
> +    self->priv->outgoing_cb.get_msg_size =
> red_channel_client_get_out_msg_size;
> +    self->priv->outgoing_cb.prepare =
> red_channel_client_prepare_out_msg;
> +    self->priv->outgoing_cb.on_block =
> red_channel_client_on_out_block;
> +    self->priv->outgoing_cb.on_error =
> +        (on_outgoing_error_proc)red_channel_client_default_peer_on_e
> rror;
> +    self->priv->outgoing_cb.on_msg_done =
> red_channel_client_on_out_msg_done;
> +    self->priv->outgoing_cb.on_output = red_channel_on_output;
> +
> +    self->priv->client_cbs.connect =
> red_channel_client_default_connect;
> +    self->priv->client_cbs.disconnect =
> red_channel_client_default_disconnect;
> +    self->priv->client_cbs.migrate =
> red_channel_client_default_migrate;
> +}
> +
> +
> +void red_channel_receive(RedChannel *channel)
> +{
> +    g_list_foreach(channel->priv->clients,
> (GFunc)red_channel_client_receive, NULL);
> +}
> +
>  void red_channel_add_client(RedChannel *channel, RedChannelClient
> *rcc)
>  {
>      spice_assert(rcc);
> -    channel->clients = g_list_prepend(channel->clients, rcc);
> +    channel->priv->clients = g_list_prepend(channel->priv->clients,
> rcc);
>  }
>  
>  int red_channel_test_remote_common_cap(RedChannel *channel, uint32_t
> cap)
> @@ -137,7 +413,7 @@ gboolean
> red_client_seamless_migration_done_for_channel(RedClient *client)
>  int red_channel_is_waiting_for_migrate_data(RedChannel *channel)
>  {
>      RedChannelClient *rcc;
> -    guint n_clients = g_list_length(channel->clients);
> +    guint n_clients = g_list_length(channel->priv->clients);
>  
>      if (!red_channel_is_connected(channel)) {
>          return FALSE;
> @@ -147,186 +423,44 @@ int
> red_channel_is_waiting_for_migrate_data(RedChannel *channel)
>          return FALSE;
>      }
>      spice_assert(n_clients == 1);
> -    rcc = g_list_nth_data(channel->clients, 0);
> +    rcc = g_list_nth_data(channel->priv->clients, 0);
>      return red_channel_client_is_waiting_for_migrate_data(rcc);
>  }
>  
> -static void red_channel_client_default_connect(RedChannel *channel,
> RedClient *client,
> -                                               RedsStream *stream,
> -                                               int migration,
> -                                               int num_common_caps,
> uint32_t *common_caps,
> -                                               int num_caps,
> uint32_t *caps)
> -{
> -    spice_error("not implemented");
> -}
> -
> -static void red_channel_client_default_disconnect(RedChannelClient
> *base)
> -{
> -    red_channel_client_disconnect(base);
> -}
> -
> -RedChannel *red_channel_create(int size,
> -                               RedsState *reds,
> -                               const SpiceCoreInterfaceInternal
> *core,
> -                               uint32_t type, uint32_t id,
> -                               int handle_acks,
> -                               channel_handle_message_proc
> handle_message,
> -                               const ChannelCbs *channel_cbs,
> -                               uint32_t migration_flags)
> -{
> -    RedChannel *channel;
> -    ClientCbs client_cbs = { NULL, };
> -
> -    spice_assert(size >= sizeof(*channel));
> -    spice_assert(channel_cbs->config_socket && channel_cbs-
> >on_disconnect && handle_message &&
> -           channel_cbs->alloc_recv_buf);
> -    spice_assert(channel_cbs->handle_migrate_data ||
> -                 !(migration_flags &
> SPICE_MIGRATE_NEED_DATA_TRANSFER));
> -    channel = spice_malloc0(size);
> -    channel->type = type;
> -    channel->id = id;
> -    channel->refs = 1;
> -    channel->handle_acks = handle_acks;
> -    channel->migration_flags = migration_flags;
> -    channel->channel_cbs = *channel_cbs;
> -
> -    channel->reds = reds;
> -    channel->core = core;
> -
> -    // TODO: send incoming_cb as parameters instead of duplicating?
> -    channel->incoming_cb.alloc_msg_buf =
> (alloc_msg_recv_buf_proc)channel_cbs->alloc_recv_buf;
> -    channel->incoming_cb.release_msg_buf =
> (release_msg_recv_buf_proc)channel_cbs->release_recv_buf;
> -    channel->incoming_cb.handle_message =
> (handle_message_proc)handle_message;
> -    channel->incoming_cb.on_error =
> -        (on_incoming_error_proc)red_channel_client_default_peer_on_e
> rror;
> -    channel->incoming_cb.on_input = red_channel_client_on_input;
> -    channel->outgoing_cb.get_msg_size =
> red_channel_client_get_out_msg_size;
> -    channel->outgoing_cb.prepare =
> red_channel_client_prepare_out_msg;
> -    channel->outgoing_cb.on_block = red_channel_client_on_out_block;
> -    channel->outgoing_cb.on_error =
> -        (on_outgoing_error_proc)red_channel_client_default_peer_on_e
> rror;
> -    channel->outgoing_cb.on_msg_done =
> red_channel_client_on_out_msg_done;
> -    channel->outgoing_cb.on_output = red_channel_client_on_output;
> -
> -    client_cbs.connect = red_channel_client_default_connect;
> -    client_cbs.disconnect = red_channel_client_default_disconnect;
> -    client_cbs.migrate = red_channel_client_default_migrate;
> -
> -    red_channel_register_client_cbs(channel, &client_cbs, NULL);
> -    red_channel_set_common_cap(channel,
> SPICE_COMMON_CAP_MINI_HEADER);
> -
> -    channel->thread_id = pthread_self();
> -
> -    channel->out_bytes_counter = 0;
> -
> -    spice_debug("channel type %d id %d thread_id 0x%lx",
> -                channel->type, channel->id, channel->thread_id);
> -    return channel;
> -}
> -
> -// TODO: red_worker can use this one
> -static void dummy_watch_update_mask(SpiceWatch *watch, int
> event_mask)
> -{
> -}
> -
> -static SpiceWatch *dummy_watch_add(const SpiceCoreInterfaceInternal
> *iface,
> -                                   int fd, int event_mask,
> SpiceWatchFunc func, void *opaque)
> -{
> -    return NULL; // apparently allowed?
> -}
> -
> -static void dummy_watch_remove(SpiceWatch *watch)
> -{
> -}
> -
> -// TODO: actually, since I also use channel_client_dummy, no need
> for core. Can be NULL
> -static const SpiceCoreInterfaceInternal dummy_core = {
> -    .watch_update_mask = dummy_watch_update_mask,
> -    .watch_add = dummy_watch_add,
> -    .watch_remove = dummy_watch_remove,
> -};
> -
> -RedChannel *red_channel_create_dummy(int size, RedsState *reds,
> uint32_t type, uint32_t id)
> -{
> -    RedChannel *channel;
> -    ClientCbs client_cbs = { NULL, };
> -
> -    spice_assert(size >= sizeof(*channel));
> -    channel = spice_malloc0(size);
> -    channel->type = type;
> -    channel->id = id;
> -    channel->refs = 1;
> -    channel->reds = reds;
> -    channel->core = &dummy_core;
> -    client_cbs.connect = red_channel_client_default_connect;
> -    client_cbs.disconnect = red_channel_client_default_disconnect;
> -    client_cbs.migrate = red_channel_client_default_migrate;
> -
> -    red_channel_register_client_cbs(channel, &client_cbs, NULL);
> -    red_channel_set_common_cap(channel,
> SPICE_COMMON_CAP_MINI_HEADER);
> -
> -    channel->thread_id = pthread_self();
> -    spice_debug("channel type %d id %d thread_id 0x%lx",
> -                channel->type, channel->id, channel->thread_id);
> -
> -    channel->out_bytes_counter = 0;
> -
> -    return channel;
> -}
> -
> -static int do_nothing_handle_message(RedChannelClient *rcc,
> -                                     uint16_t type,
> -                                     uint32_t size,
> -                                     uint8_t *msg)
> -{
> -    return TRUE;
> -}
> -
> -RedChannel *red_channel_create_parser(int size,
> -                                      RedsState *reds,
> -                                      const
> SpiceCoreInterfaceInternal *core,
> -                                      uint32_t type, uint32_t id,
> -                                      int handle_acks,
> -                                      spice_parse_channel_func_t
> parser,
> -                                      channel_handle_parsed_proc
> handle_parsed,
> -                                      const ChannelCbs *channel_cbs,
> -                                      uint32_t migration_flags)
> +void red_channel_set_stat_node(RedChannel *channel, StatNodeRef
> stat)
>  {
> -    RedChannel *channel = red_channel_create(size, reds, core, type,
> id,
> -                                             handle_acks,
> -                                             do_nothing_handle_messa
> ge,
> -                                             channel_cbs,
> -                                             migration_flags);
> -    channel->incoming_cb.handle_parsed =
> (handle_parsed_proc)handle_parsed;
> -    channel->incoming_cb.parser = parser;
> +    spice_return_if_fail(channel != NULL);
> +    spice_return_if_fail(channel->priv->stat == 0);
>  
> -    return channel;
> +#ifdef RED_STATISTICS
> +    channel->priv->stat = stat;
> +    channel->priv->out_bytes_counter =
> +        stat_add_counter(channel->priv->reds, stat, "out_bytes",
> TRUE);
> +#endif
>  }
>  
> -void red_channel_set_stat_node(RedChannel *channel, StatNodeRef
> stat)
> +StatNodeRef red_channel_get_stat_node(RedChannel *channel)
>  {
> -    spice_return_if_fail(channel != NULL);
> -    spice_return_if_fail(channel->stat == 0);
> -
>  #ifdef RED_STATISTICS
> -    channel->stat = stat;
> -    channel->out_bytes_counter = stat_add_counter(channel->reds,
> stat, "out_bytes", TRUE);
> +    return channel->priv->stat;
>  #endif
> +    return 0;
>  }
>  
> -void red_channel_register_client_cbs(RedChannel *channel, const
> ClientCbs *client_cbs, gpointer cbs_data)
> +void red_channel_register_client_cbs(RedChannel *channel, const
> ClientCbs *client_cbs,
> +                                     gpointer cbs_data)
>  {
> -    spice_assert(client_cbs->connect || channel->type ==
> SPICE_CHANNEL_MAIN);
> -    channel->client_cbs.connect = client_cbs->connect;
> +    spice_assert(client_cbs->connect || channel->priv->type ==
> SPICE_CHANNEL_MAIN);
> +    channel->priv->client_cbs.connect = client_cbs->connect;
>  
>      if (client_cbs->disconnect) {
> -        channel->client_cbs.disconnect = client_cbs->disconnect;
> +        channel->priv->client_cbs.disconnect = client_cbs-
> >disconnect;
>      }
>  
>      if (client_cbs->migrate) {
> -        channel->client_cbs.migrate = client_cbs->migrate;
> +        channel->priv->client_cbs.migrate = client_cbs->migrate;
>      }
> -    channel->data = cbs_data;
> +    channel->priv->data = cbs_data;
>  }
>  
>  static void add_capability(uint32_t **caps, int *num_caps, uint32_t
> cap)
> @@ -343,32 +477,13 @@ static void add_capability(uint32_t **caps, int
> *num_caps, uint32_t cap)
>  
>  void red_channel_set_common_cap(RedChannel *channel, uint32_t cap)
>  {
> -    add_capability(&channel->local_caps.common_caps, &channel-
> >local_caps.num_common_caps, cap);
> +    add_capability(&channel->priv->local_caps.common_caps,
> +                   &channel->priv->local_caps.num_common_caps, cap);
>  }
>  
>  void red_channel_set_cap(RedChannel *channel, uint32_t cap)
>  {
> -    add_capability(&channel->local_caps.caps, &channel-
> >local_caps.num_caps, cap);
> -}
> -
> -void red_channel_ref(RedChannel *channel)
> -{
> -    channel->refs++;
> -}
> -
> -void red_channel_unref(RedChannel *channel)
> -{
> -    if (--channel->refs == 0) {
> -        if (channel->local_caps.num_common_caps) {
> -            free(channel->local_caps.common_caps);
> -        }
> -
> -        if (channel->local_caps.num_caps) {
> -            free(channel->local_caps.caps);
> -        }
> -
> -        free(channel);
> -    }
> +    add_capability(&channel->priv->local_caps.caps, &channel->priv-
> >local_caps.num_caps, cap);
>  }
>  
>  void red_channel_destroy(RedChannel *channel)
> @@ -377,13 +492,13 @@ void red_channel_destroy(RedChannel *channel)
>          return;
>      }
>  
> -    g_list_foreach(channel->clients,
> (GFunc)red_channel_client_destroy, NULL);
> -    red_channel_unref(channel);
> +    g_list_foreach(channel->priv->clients,
> (GFunc)red_channel_client_destroy, NULL);
> +    g_object_unref(channel);
>  }
>  
>  void red_channel_send(RedChannel *channel)
>  {
> -    g_list_foreach(channel->clients, (GFunc)red_channel_client_send,
> NULL);
> +    g_list_foreach(channel->priv->clients,
> (GFunc)red_channel_client_send, NULL);
>  }
>  
>  void red_channel_push(RedChannel *channel)
> @@ -392,14 +507,15 @@ void red_channel_push(RedChannel *channel)
>          return;
>      }
>  
> -    g_list_foreach(channel->clients, (GFunc)red_channel_client_push,
> NULL);
> +    g_list_foreach(channel->priv->clients,
> (GFunc)red_channel_client_push, NULL);
>  }
>  
>  // TODO: this function doesn't make sense because the window should
> be client (WAN/LAN)
>  // specific
>  void red_channel_init_outgoing_messages_window(RedChannel *channel)
>  {
> -    g_list_foreach(channel->clients,
> (GFunc)red_channel_client_init_outgoing_messages_window, NULL);
> +    g_list_foreach(channel->priv->clients,
> +                   (GFunc)red_channel_client_init_outgoing_messages_
> window, NULL);
>  }
>  
>  static void red_channel_client_pipe_add_type_proxy(gpointer data,
> gpointer user_data)
> @@ -410,7 +526,7 @@ static void
> red_channel_client_pipe_add_type_proxy(gpointer data, gpointer user_
>  
>  void red_channel_pipes_add_type(RedChannel *channel, int
> pipe_item_type)
>  {
> -    g_list_foreach(channel->clients,
> red_channel_client_pipe_add_type_proxy,
> +    g_list_foreach(channel->priv->clients,
> red_channel_client_pipe_add_type_proxy,
>                     GINT_TO_POINTER(pipe_item_type));
>  }
>  
> @@ -422,12 +538,13 @@ static void
> red_channel_client_pipe_add_empty_msg_proxy(gpointer data, gpointer
>  
>  void red_channel_pipes_add_empty_msg(RedChannel *channel, int
> msg_type)
>  {
> -    g_list_foreach(channel->clients,
> red_channel_client_pipe_add_empty_msg_proxy,
> GINT_TO_POINTER(msg_type));
> +    g_list_foreach(channel->priv->clients,
> red_channel_client_pipe_add_empty_msg_proxy,
> +                   GINT_TO_POINTER(msg_type));
>  }
>  
>  int red_channel_is_connected(RedChannel *channel)
>  {
> -    return channel && channel->clients;
> +    return channel && channel->priv->clients;
>  }
>  
>  void red_channel_remove_client(RedChannel *channel, RedChannelClient
> *rcc)
> @@ -435,19 +552,19 @@ void red_channel_remove_client(RedChannel
> *channel, RedChannelClient *rcc)
>      GList *link;
>      g_return_if_fail(channel ==
> red_channel_client_get_channel(rcc));
>  
> -    if (!pthread_equal(pthread_self(), channel->thread_id)) {
> +    if (!pthread_equal(pthread_self(), channel->priv->thread_id)) {
>          spice_warning("channel type %d id %d - "
>                        "channel->thread_id (0x%lx) != pthread_self
> (0x%lx)."
>                        "If one of the threads is != io-thread && !=
> vcpu-thread, "
>                        "this might be a BUG",
> -                      channel->type, channel->id,
> -                      channel->thread_id, pthread_self());
> +                      channel->priv->type, channel->priv->id,
> +                      channel->priv->thread_id, pthread_self());
>      }
>      spice_return_if_fail(channel);
> -    link = g_list_find(channel->clients, rcc);
> +    link = g_list_find(channel->priv->clients, rcc);
>      spice_return_if_fail(link != NULL);
>  
> -    channel->clients = g_list_remove_link(channel->clients, link);
> +    channel->priv->clients = g_list_remove_link(channel->priv-
> >clients, link);
>      // TODO: should we set rcc->channel to NULL???
>  }
>  
> @@ -461,17 +578,35 @@ void red_client_remove_channel(RedChannelClient
> *rcc)
>  
>  void red_channel_disconnect(RedChannel *channel)
>  {
> -    g_list_foreach(channel->clients,
> (GFunc)red_channel_client_disconnect, NULL);
> +    g_list_foreach(channel->priv->clients,
> (GFunc)red_channel_client_disconnect, NULL);
> +}
> +
> +void red_channel_connect(RedChannel *channel, RedClient *client,
> +                         RedsStream *stream, int migration, int
> num_common_caps,
> +                         uint32_t *common_caps, int num_caps,
> uint32_t *caps)
> +{
> +    channel->priv->client_cbs.connect(channel, client, stream,
> migration,
> +                                      num_common_caps, common_caps,
> num_caps,
> +                                      caps);
>  }
>  
>  void red_channel_apply_clients(RedChannel *channel,
> channel_client_callback cb)
>  {
> -    g_list_foreach(channel->clients, (GFunc)cb, NULL);
> +    g_list_foreach(channel->priv->clients, (GFunc)cb, NULL);
>  }
>  
>  void red_channel_apply_clients_data(RedChannel *channel,
> channel_client_callback_data cb, void *data)
>  {
> -    g_list_foreach(channel->clients, (GFunc)cb, data);
> +    g_list_foreach(channel->priv->clients, (GFunc)cb, data);
> +}
> +
> +GList *red_channel_get_clients(RedChannel *channel)
> +{
> +    return channel->priv->clients;
> +}
> +guint red_channel_get_n_clients(RedChannel *channel)
> +{
> +    return g_list_length(channel->priv->clients);
>  }
>  
>  int red_channel_all_blocked(RedChannel *channel)
> @@ -479,7 +614,7 @@ int red_channel_all_blocked(RedChannel *channel)
>      GListIter iter;
>      RedChannelClient *rcc;
>  
> -    if (!channel || !channel->clients) {
> +    if (!channel || !channel->priv->clients) {
>          return FALSE;
>      }
>      FOREACH_CLIENT(channel, iter, rcc) {
> @@ -508,10 +643,10 @@ int red_channel_get_first_socket(RedChannel
> *channel)
>      RedChannelClient *rcc;
>      RedsStream *stream;
>  
> -    if (!channel || !channel->clients) {
> +    if (!channel || !channel->priv->clients) {
>          return -1;
>      }
> -    rcc = g_list_nth_data(channel->clients, 0);
> +    rcc = g_list_nth_data(channel->priv->clients, 0);
>      stream = red_channel_client_get_stream(rcc);
>  
>      return stream->socket;
> @@ -600,7 +735,7 @@ void red_client_migrate(RedClient *client)
>      FOREACH_CHANNEL_CLIENT(client, iter, rcc) {
>          channel = red_channel_client_get_channel(rcc);
>          if (red_channel_client_is_connected(rcc)) {
> -            channel->client_cbs.migrate(rcc);
> +            channel->priv->client_cbs.migrate(rcc);
>          }
>      }
>  }
> @@ -629,7 +764,7 @@ void red_client_destroy(RedClient *client)
>          // to wait for disconnection)
>          // TODO: should we go back to async. For this we need to use
>          // ref count for channel clients.
> -        channel->client_cbs.disconnect(rcc);
> +        channel->priv->client_cbs.disconnect(rcc);
>          spice_assert(red_channel_client_pipe_is_empty(rcc));
>          spice_assert(red_channel_client_no_item_being_sent(rcc));
>          red_channel_client_destroy(rcc);
> @@ -647,7 +782,7 @@ RedChannelClient
> *red_client_get_channel(RedClient *client, int type, int id)
>      FOREACH_CHANNEL_CLIENT(client, iter, rcc) {
>          RedChannel *channel;
>          channel = red_channel_client_get_channel(rcc);
> -        if (channel->type == type && channel->id == id) {
> +        if (channel->priv->type == type && channel->priv->id == id)
> {
>              ret = rcc;
>              break;
>          }
> @@ -847,5 +982,99 @@ int red_channel_wait_all_sent(RedChannel
> *channel,
>  
>  RedsState* red_channel_get_server(RedChannel *channel)
>  {
> -    return channel->reds;
> +    return channel->priv->reds;
> +}
> +
> +SpiceCoreInterfaceInternal*
> red_channel_get_core_interface(RedChannel *channel)
> +{
> +    return channel->priv->core;
> +}
> +
> +int red_channel_config_socket(RedChannel *self, RedChannelClient
> *rcc)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_val_if_fail(klass->config_socket, FALSE);
> +
> +    return klass->config_socket(rcc);
> +}
> +
> +void red_channel_on_disconnect(RedChannel *self, RedChannelClient
> *rcc)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_if_fail(klass->on_disconnect);
> +
> +    klass->on_disconnect(rcc);
> +}
> +
> +void red_channel_send_item(RedChannel *self, RedChannelClient *rcc,
> RedPipeItem *item)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_if_fail(klass->send_item);
> +
> +    klass->send_item(rcc, item);
> +}
> +
> +uint8_t* red_channel_alloc_recv_buf(RedChannel *self,
> RedChannelClient *rcc,
> +                                    uint16_t type, uint32_t size)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_val_if_fail(klass->alloc_recv_buf, NULL);
> +
> +    return klass->alloc_recv_buf(rcc, type, size);
> +}
> +
> +void red_channel_release_recv_buf(RedChannel *self, RedChannelClient
> *rcc,
> +                                  uint16_t type, uint32_t size,
> uint8_t *msg)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_if_fail(klass->release_recv_buf);
> +
> +    klass->release_recv_buf(rcc, type, size, msg);
> +}
> +
> +int red_channel_handle_migrate_flush_mark(RedChannel *self,
> RedChannelClient *rcc)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_val_if_fail(klass->handle_migrate_flush_mark, FALSE);
> +
> +    return klass->handle_migrate_flush_mark(rcc);
> +}
> +
> +int red_channel_handle_migrate_data(RedChannel *self,
> RedChannelClient *rcc,
> +                                    uint32_t size, void *message)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_val_if_fail(klass->handle_migrate_data, FALSE);
> +
> +    return klass->handle_migrate_data(rcc, size, message);
> +}
> +
> +uint64_t red_channel_handle_migrate_data_get_serial(RedChannel
> *self,
> +                                                    RedChannelClient
> *rcc,
> +                                                    uint32_t size,
> void *message)
> +{
> +    RedChannelClass *klass = RED_CHANNEL_GET_CLASS(self);
> +    g_return_val_if_fail(klass->handle_migrate_data_get_serial, 0);
> +
> +    return klass->handle_migrate_data_get_serial(rcc, size,
> message);
> +}
> +
> +IncomingHandlerInterface*
> red_channel_get_incoming_handler(RedChannel *self)
> +{
> +    return &self->priv->incoming_cb;
> +}
> +
> +OutgoingHandlerInterface*
> red_channel_get_outgoing_handler(RedChannel *self)
> +{
> +    return &self->priv->outgoing_cb;
> +}
> +
> +void red_channel_reset_thread_id(RedChannel *self)
> +{
> +    self->priv->thread_id = pthread_self();
> +}
> +
> +RedChannelCapabilities*
> red_channel_get_local_capabilities(RedChannel *self)
> +{
> +    return &self->priv->local_caps;
>  }
> diff --git a/server/red-channel.h b/server/red-channel.h
> index 5299646..f95151c 100644
> --- a/server/red-channel.h
> +++ b/server/red-channel.h
> @@ -24,6 +24,7 @@
>  
>  #include <pthread.h>
>  #include <limits.h>
> +#include <glib-object.h>
>  #include <common/ring.h>
>  #include <common/marshaller.h>
>  
> @@ -34,6 +35,8 @@
>  #include "stat.h"
>  #include "red-pipe-item.h"
>  
> +G_BEGIN_DECLS
> +
>  typedef struct SpiceDataHeaderOpaque SpiceDataHeaderOpaque;
>  
>  typedef uint16_t (*get_msg_type_proc)(SpiceDataHeaderOpaque
> *header);
> @@ -125,23 +128,6 @@ typedef void
> (*channel_client_connect_proc)(RedChannel *channel, RedClient *clie
>  typedef void (*channel_client_disconnect_proc)(RedChannelClient
> *base);
>  typedef void (*channel_client_migrate_proc)(RedChannelClient *base);
>  
> -// TODO: add ASSERTS for thread_id  in client and channel calls
> -//
> -/*
> - * callbacks that are triggered from channel client stream events.
> - * They are called from the thread that listen to the stream events.
> - */
> -typedef struct {
> -    channel_configure_socket_proc config_socket;
> -    channel_disconnect_proc on_disconnect;
> -    channel_send_pipe_item_proc send_item;
> -    channel_alloc_msg_recv_buf_proc alloc_recv_buf;
> -    channel_release_msg_recv_buf_proc release_recv_buf;
> -    channel_handle_migrate_flush_mark_proc
> handle_migrate_flush_mark;
> -    channel_handle_migrate_data_proc handle_migrate_data;
> -    channel_handle_migrate_data_get_serial_proc
> handle_migrate_data_get_serial;
> -} ChannelCbs;
> -
>  
>  /*
>   * callbacks that are triggered from client events.
> @@ -153,107 +139,84 @@ typedef struct {
>      channel_client_migrate_proc migrate;
>  } ClientCbs;
>  
> -typedef struct RedChannelCapabilities {
> -    int num_common_caps;
> -    uint32_t *common_caps;
> -    int num_caps;
> -    uint32_t *caps;
> -} RedChannelCapabilities;
> -
>  static inline gboolean test_capability(const uint32_t *caps, int
> num_caps, uint32_t cap)
>  {
>      return VD_AGENT_HAS_CAPABILITY(caps, num_caps, cap);
>  }
>  
> -typedef struct RedChannelClientLatencyMonitor {
> -    int state;
> -    uint64_t last_pong_time;
> -    SpiceTimer *timer;
> -    uint32_t id;
> -    int tcp_nodelay;
> -    int warmup_was_sent;
> +#define RED_TYPE_CHANNEL red_channel_get_type()
>  
> -    int64_t roundtrip;
> -} RedChannelClientLatencyMonitor;
> +#define RED_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),
> RED_TYPE_CHANNEL, RedChannel))
> +#define RED_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), RED_TYPE_CHANNEL,
> RedChannelClass))
> +#define RED_IS_CHANNEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> RED_TYPE_CHANNEL))
> +#define RED_IS_CHANNEL_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), RED_TYPE_CHANNEL))
> +#define RED_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), RED_TYPE_CHANNEL,
> RedChannelClass))
>  
> -typedef struct RedChannelClientConnectivityMonitor {
> -    int state;
> -    uint32_t out_bytes;
> -    uint32_t in_bytes;
> -    uint32_t timeout;
> -    SpiceTimer *timer;
> -} RedChannelClientConnectivityMonitor;
> -
> -struct RedChannel {
> -    uint32_t type;
> -    uint32_t id;
> -
> -    uint32_t refs;
> -
> -    RingItem link; // channels link for reds
> -
> -    const SpiceCoreInterfaceInternal *core;
> -    int handle_acks;
> -
> -    // RedChannel will hold only connected channel clients (logic -
> when pushing pipe item to all channel clients, there
> -    // is no need to go over disconnect clients)
> -    // . While client will hold the channel clients till it is
> destroyed
> -    // and then it will destroy them as well.
> -    // However RCC still holds a reference to the Channel.
> -    // Maybe replace these logic with ref count?
> -    // TODO: rename to 'connected_clients'?
> -    GList *clients;
> +typedef struct RedChannel RedChannel;
> +typedef struct RedChannelClass RedChannelClass;
> +typedef struct RedChannelPrivate RedChannelPrivate;
>  
> -    OutgoingHandlerInterface outgoing_cb;
> -    IncomingHandlerInterface incoming_cb;
> +struct RedChannel
> +{
> +    GObject parent;
>  
> -    ChannelCbs channel_cbs;
> -    ClientCbs client_cbs;
> +    RedChannelPrivate *priv;
> +};
>  
> -    RedChannelCapabilities local_caps;
> -    uint32_t migration_flags;
> +struct RedChannelClass
> +{
> +    GObjectClass parent_class;
>  
> -    void *data;
> +    /* subclasses must implement either handle_message(), or both
> parser() and
> +     * handle_parsed() */
> +    channel_handle_message_proc handle_message;
> +    spice_parse_channel_func_t parser;
> +    channel_handle_parsed_proc handle_parsed;
>  
> -    // TODO: when different channel_clients are in different threads
> from Channel -> need to protect!
> -    pthread_t thread_id;
> -    RedsState *reds;
> -#ifdef RED_STATISTICS
> -    StatNodeRef stat;
> -    uint64_t *out_bytes_counter;
> -#endif
> +    // TODO: add ASSERTS for thread_id  in client and channel calls
> +    /*
> +     * callbacks that are triggered from channel client stream
> events.
> +     * They are called from the thread that listen to the stream
> events.
> +     */
> +    channel_configure_socket_proc config_socket;
> +    channel_disconnect_proc on_disconnect;
> +    channel_send_pipe_item_proc send_item;
> +    channel_alloc_msg_recv_buf_proc alloc_recv_buf;
> +    channel_release_msg_recv_buf_proc release_recv_buf;
> +    channel_handle_migrate_flush_mark_proc
> handle_migrate_flush_mark;
> +    channel_handle_migrate_data_proc handle_migrate_data;
> +    channel_handle_migrate_data_get_serial_proc
> handle_migrate_data_get_serial;
>  };
>  
>  #define FOREACH_CLIENT(_channel, _iter, _data) \
> -    GLIST_FOREACH((_channel ? RED_CHANNEL(_channel)->clients :
> NULL), \
> +    GLIST_FOREACH((_channel ?
> red_channel_get_clients(RED_CHANNEL(_channel)) : NULL), \
>                    _iter, RedChannelClient, _data)
>  
> -#define RED_CHANNEL(Channel) ((RedChannel *)(Channel))
> +/* Red Channel interface */
>  
> -/* if one of the callbacks should cause disconnect, use
> red_channel_shutdown and don't
> - * explicitly destroy the channel */
> -RedChannel *red_channel_create(int size,
> -                               RedsState *reds,
> -                               const SpiceCoreInterfaceInternal
> *core,
> -                               uint32_t type, uint32_t id,
> -                               int handle_acks,
> -                               channel_handle_message_proc
> handle_message,
> -                               const ChannelCbs *channel_cbs,
> -                               uint32_t migration_flags);
> +typedef struct RedChannelCapabilities {
> +    int num_common_caps;
> +    uint32_t *common_caps;
> +    int num_caps;
> +    uint32_t *caps;
> +} RedChannelCapabilities;
> +
> +GType red_channel_get_type(void) G_GNUC_CONST;
>  
>  /* alternative constructor, meant for marshaller based (inputs,main)
> channels,
>   * will become default eventually */
> +/*
>  RedChannel *red_channel_create_parser(int size,
>                                        RedsState *reds,
>                                        const
> SpiceCoreInterfaceInternal *core,
>                                        uint32_t type, uint32_t id,
> -                                      int handle_acks,
> +                                      gboolean handle_acks,
>                                        spice_parse_channel_func_t
> parser,
>                                        channel_handle_parsed_proc
> handle_parsed,
> -                                      const ChannelCbs *channel_cbs,
>                                        uint32_t migration_flags);
> -void red_channel_ref(RedChannel *channel);
> -void red_channel_unref(RedChannel *channel);
> +                                      */
>  void red_channel_add_client(RedChannel *channel, RedChannelClient
> *rcc);
>  void red_channel_remove_client(RedChannel *channel, RedChannelClient
> *rcc);
>  
> @@ -264,11 +227,6 @@ void red_channel_register_client_cbs(RedChannel
> *channel, const ClientCbs *clien
>  void red_channel_set_common_cap(RedChannel *channel, uint32_t cap);
>  void red_channel_set_cap(RedChannel *channel, uint32_t cap);
>  
> -// TODO: tmp, for channels that don't use RedChannel yet (e.g., snd
> channel), but
> -// do use the client callbacks. So the channel clients are not
> connected (the channel doesn't
> -// have list of them, but they do have a link to the channel, and
> the client has a list of them)
> -RedChannel *red_channel_create_dummy(int size, RedsState *reds,
> uint32_t type, uint32_t id);
> -
>  int red_channel_is_connected(RedChannel *channel);
>  
>  /* seamless migration is supported for only one client. This routine
> @@ -332,6 +290,9 @@ void red_channel_receive(RedChannel *channel);
>  void red_channel_send(RedChannel *channel);
>  // For red_worker
>  void red_channel_disconnect(RedChannel *channel);
> +void red_channel_connect(RedChannel *channel, RedClient *client,
> +                         RedsStream *stream, int migration, int
> num_common_caps,
> +                         uint32_t *common_caps, int num_caps,
> uint32_t *caps);
>  
>  /* return the sum of all the rcc pipe size */
>  uint32_t red_channel_max_pipe_size(RedChannel *channel);
> @@ -344,8 +305,36 @@ uint32_t red_channel_sum_pipes_size(RedChannel
> *channel);
>  typedef void (*channel_client_callback)(RedChannelClient *rcc);
>  typedef void (*channel_client_callback_data)(RedChannelClient *rcc,
> void *data);
>  void red_channel_apply_clients(RedChannel *channel,
> channel_client_callback v);
> -void red_channel_apply_clients_data(RedChannel *channel,
> channel_client_callback_data v, void * data);
> +void red_channel_apply_clients_data(RedChannel *channel,
> channel_client_callback_data v,
> +                                    void *data);
> +GList *red_channel_get_clients(RedChannel *channel);
> +guint red_channel_get_n_clients(RedChannel *channel);
>  struct RedsState* red_channel_get_server(RedChannel *channel);
> +SpiceCoreInterfaceInternal*
> red_channel_get_core_interface(RedChannel *channel);
> +
> +/* channel callback function */
> +int red_channel_config_socket(RedChannel *self, RedChannelClient
> *rcc);
> +void red_channel_on_disconnect(RedChannel *self, RedChannelClient
> *rcc);
> +void red_channel_send_item(RedChannel *self, RedChannelClient *rcc,
> RedPipeItem *item);
> +uint8_t* red_channel_alloc_recv_buf(RedChannel *self,
> RedChannelClient *rcc,
> +                                    uint16_t type, uint32_t size);
> +void red_channel_release_recv_buf(RedChannel *self, RedChannelClient
> *rcc,
> +                                  uint16_t type, uint32_t size,
> uint8_t *msg);
> +int red_channel_handle_migrate_flush_mark(RedChannel *self,
> RedChannelClient *rcc);
> +int red_channel_handle_migrate_data(RedChannel *self,
> RedChannelClient *rcc,
> +                                    uint32_t size, void *message);
> +uint64_t red_channel_handle_migrate_data_get_serial(RedChannel
> *self,
> +                                                    RedChannelClient
> *rcc,
> +                                                    uint32_t size,
> void *message);
> +void red_channel_reset_thread_id(RedChannel *self);
> +StatNodeRef red_channel_get_stat_node(RedChannel *channel);
> +
> +/* FIXME: do these even need to be in RedChannel? It's really only
> used in
> + * RedChannelClient. Needs refactoring */
> +IncomingHandlerInterface*
> red_channel_get_incoming_handler(RedChannel *self);
> +OutgoingHandlerInterface*
> red_channel_get_outgoing_handler(RedChannel *self);
> +
> +RedChannelCapabilities*
> red_channel_get_local_capabilities(RedChannel *self);
>  
>  struct RedClient {
>      RedsState *reds;
> @@ -419,4 +408,6 @@ int red_channel_wait_all_sent(RedChannel
> *channel,
>  
>  #define CHANNEL_BLOCKED_SLEEP_DURATION 10000 //micro
>  
> +G_END_DECLS
> +
>  #endif
> diff --git a/server/red-parse-qxl.h b/server/red-parse-qxl.h
> index 0da20ad..d5e7b6b 100644
> --- a/server/red-parse-qxl.h
> +++ b/server/red-parse-qxl.h
> @@ -65,6 +65,8 @@ static inline RedDrawable
> *red_drawable_ref(RedDrawable *drawable)
>      return drawable;
>  }
>  
> +void red_drawable_unref(RedDrawable *red_drawable);
> +
>  typedef struct RedUpdateCmd {
>      QXLReleaseInfoExt release_info_ext;
>      SpiceRect area;
> diff --git a/server/red-qxl.c b/server/red-qxl.c
> index 87d613b..68cab06 100644
> --- a/server/red-qxl.c
> +++ b/server/red-qxl.c
> @@ -82,7 +82,7 @@ static void red_qxl_set_display_peer(RedChannel
> *channel, RedClient *client,
>      Dispatcher *dispatcher;
>  
>      spice_debug("%s", "");
> -    dispatcher = (Dispatcher *)channel->data;
> +    dispatcher = (Dispatcher *)g_object_get_data(G_OBJECT(channel),
> "dispatcher");
>      payload.client = client;
>      payload.stream = stream;
>      payload.migration = migration;
> @@ -109,7 +109,7 @@ static void
> red_qxl_disconnect_display_peer(RedChannelClient *rcc)
>          return;
>      }
>  
> -    dispatcher = (Dispatcher *)channel->data;
> +    dispatcher = (Dispatcher *)g_object_get_data(G_OBJECT(channel),
> "dispatcher");
>  
>      spice_printerr("");
>      payload.rcc = rcc;
> @@ -126,11 +126,14 @@ static void
> red_qxl_display_migrate(RedChannelClient *rcc)
>      RedWorkerMessageDisplayMigrate payload;
>      Dispatcher *dispatcher;
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> +    uint32_t type, id;
> +
>      if (!channel) {
>          return;
>      }
> -    dispatcher = (Dispatcher *)channel->data;
> -    spice_printerr("channel type %u id %u", channel->type, channel-
> >id);
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
> +    dispatcher = (Dispatcher *)g_object_get_data(G_OBJECT(channel),
> "dispatcher");
> +    spice_printerr("channel type %u id %u", type, id);
>      payload.rcc = rcc;
>      dispatcher_send_message(dispatcher,
>                              RED_WORKER_MESSAGE_DISPLAY_MIGRATE,
> @@ -143,7 +146,7 @@ static void red_qxl_set_cursor_peer(RedChannel
> *channel, RedClient *client, Reds
>                                      uint32_t *caps)
>  {
>      RedWorkerMessageCursorConnect payload = {0,};
> -    Dispatcher *dispatcher = (Dispatcher *)channel->data;
> +    Dispatcher *dispatcher = (Dispatcher
> *)g_object_get_data(G_OBJECT(channel), "dispatcher");
>      spice_printerr("");
>      payload.client = client;
>      payload.stream = stream;
> @@ -171,7 +174,7 @@ static void
> red_qxl_disconnect_cursor_peer(RedChannelClient *rcc)
>          return;
>      }
>  
> -    dispatcher = (Dispatcher *)channel->data;
> +    dispatcher = (Dispatcher *)g_object_get_data(G_OBJECT(channel),
> "dispatcher");
>      spice_printerr("");
>      payload.rcc = rcc;
>  
> @@ -185,12 +188,14 @@ static void
> red_qxl_cursor_migrate(RedChannelClient *rcc)
>      RedWorkerMessageCursorMigrate payload;
>      Dispatcher *dispatcher;
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> +    uint32_t type, id;
>  
>      if (!channel) {
>          return;
>      }
> -    dispatcher = (Dispatcher *)channel->data;
> -    spice_printerr("channel type %u id %u", channel->type, channel-
> >id);
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
> +    dispatcher = (Dispatcher *)g_object_get_data(G_OBJECT(channel),
> "dispatcher");
> +    spice_printerr("channel type %u id %u", type, id);
>      payload.rcc = rcc;
>      dispatcher_send_message(dispatcher,
>                              RED_WORKER_MESSAGE_CURSOR_MIGRATE,
> diff --git a/server/red-replay-qxl.c b/server/red-replay-qxl.c
> index b5baded..78de48b 100644
> --- a/server/red-replay-qxl.c
> +++ b/server/red-replay-qxl.c
> @@ -24,7 +24,7 @@
>  #include <zlib.h>
>  #include <pthread.h>
>  #include "reds.h"
> -#include "red-worker.h"
> +#include "red-qxl.h"
>  #include "red-common.h"
>  #include "memslot.h"
>  #include "red-parse-qxl.h"
> diff --git a/server/red-worker.c b/server/red-worker.c
> index 40e58f2..f7f0726 100644
> --- a/server/red-worker.c
> +++ b/server/red-worker.c
> @@ -23,16 +23,12 @@
>  
>  #include <stdio.h>
>  #include <stdarg.h>
> -#include <fcntl.h>
> -#include <sys/socket.h>
> -#include <netinet/in.h>
>  #include <stdlib.h>
>  #include <errno.h>
>  #include <string.h>
>  #include <unistd.h>
>  #include <poll.h>
>  #include <pthread.h>
> -#include <netinet/tcp.h>
>  #include <openssl/ssl.h>
>  #include <inttypes.h>
>  #include <glib.h>
> @@ -93,8 +89,8 @@ struct RedWorker {
>  
>  static int display_is_connected(RedWorker *worker)
>  {
> -    return (worker->display_channel && red_channel_is_connected(
> -        &worker->display_channel->common.base));
> +    return worker->display_channel &&
> +        red_channel_is_connected(RED_CHANNEL(worker-
> >display_channel));
>  }
>  
>  void red_drawable_unref(RedDrawable *red_drawable)
> @@ -261,7 +257,7 @@ static int red_process_display(RedWorker *worker,
> int *ring_is_empty)
>              spice_error("bad command type");
>          }
>          n++;
> -        if (red_channel_all_blocked(&worker->display_channel-
> >common.base)
> +        if (red_channel_all_blocked(RED_CHANNEL(worker-
> >display_channel))
>              || spice_get_monotonic_time_ns() - start > NSEC_PER_SEC
> / 100) {
>              worker->event_timeout = 0;
>              return n;
> @@ -404,7 +400,7 @@ static void
> guest_set_client_capabilities(RedWorker *worker)
>          return;
>      }
>      if ((worker->display_channel == NULL) ||
> -        (RED_CHANNEL(worker->display_channel)->clients == NULL)) {
> +        (red_channel_get_n_clients(RED_CHANNEL(worker-
> >display_channel)) == 0)) {
>          red_qxl_set_client_capabilities(worker->qxl, FALSE, caps);
>      } else {
>          // Take least common denominator
> @@ -541,12 +537,12 @@ static void
> dev_create_primary_surface(RedWorker *worker, uint32_t surface_id,
>          if (!worker->driver_cap_monitors_config) {
>              red_worker_push_monitors_config(worker);
>          }
> -        red_pipes_add_verb(&worker->display_channel->common.base,
> +        red_pipes_add_verb(RED_CHANNEL(worker->display_channel),
>                             SPICE_MSG_DISPLAY_MARK);
> -        red_channel_push(&worker->display_channel->common.base);
> +        red_channel_push(RED_CHANNEL(worker->display_channel));
>      }
>  
> -    cursor_channel_init(worker->cursor_channel);
> +    cursor_channel_do_init(worker->cursor_channel);
>  }
>  
>  static void handle_dev_create_primary_surface(void *opaque, void
> *payload)
> @@ -665,7 +661,7 @@ static void handle_dev_oom(void *opaque, void
> *payload)
>      RedWorker *worker = opaque;
>      DisplayChannel *display = worker->display_channel;
>  
> -    RedChannel *display_red_channel = &display->common.base;
> +    RedChannel *display_red_channel = RED_CHANNEL(display);
>      int ring_is_empty;
>  
>      spice_return_if_fail(worker->running);
> @@ -1371,6 +1367,7 @@ RedWorker* red_worker_new(QXLInstance *qxl,
>      channel = RED_CHANNEL(worker->cursor_channel);
>      red_channel_set_stat_node(channel, stat_add_node(reds, worker-
> >stat, "cursor_channel", TRUE));
>      red_channel_register_client_cbs(channel, client_cursor_cbs,
> dispatcher);
> +    g_object_set_data(G_OBJECT(channel), "dispatcher", dispatcher);
>      reds_register_channel(reds, channel);
>  
>      // TODO: handle seemless migration. Temp, setting migrate to
> FALSE
> @@ -1378,10 +1375,10 @@ RedWorker* red_worker_new(QXLInstance *qxl,
>                                                    reds_get_streaming
> _video(reds),
>                                                    reds_get_video_cod
> ecs(reds),
>                                                    init_info.n_surfac
> es);
> -
>      channel = RED_CHANNEL(worker->display_channel);
>      red_channel_set_stat_node(channel, stat_add_node(reds, worker-
> >stat, "display_channel", TRUE));
>      red_channel_register_client_cbs(channel, client_display_cbs,
> dispatcher);
> +    g_object_set_data(G_OBJECT(channel), "dispatcher", dispatcher);
>      red_channel_set_cap(channel, SPICE_DISPLAY_CAP_MONITORS_CONFIG);
>      red_channel_set_cap(channel,
> SPICE_DISPLAY_CAP_PREF_COMPRESSION);
>      red_channel_set_cap(channel, SPICE_DISPLAY_CAP_STREAM_REPORT);
> @@ -1398,8 +1395,8 @@ SPICE_GNUC_NORETURN static void
> *red_worker_main(void *arg)
>      spice_assert(MAX_PIPE_SIZE > WIDE_CLIENT_ACK_WINDOW &&
>             MAX_PIPE_SIZE > NARROW_CLIENT_ACK_WINDOW); //ensure
> wakeup by ack message
>  
> -    RED_CHANNEL(worker->cursor_channel)->thread_id = pthread_self();
> -    RED_CHANNEL(worker->display_channel)->thread_id =
> pthread_self();
> +    red_channel_reset_thread_id(RED_CHANNEL(worker-
> >cursor_channel));
> +    red_channel_reset_thread_id(RED_CHANNEL(worker-
> >display_channel));
>  
>      GMainLoop *loop = g_main_loop_new(worker->core.main_context,
> FALSE);
>      g_main_loop_run(loop);
> diff --git a/server/red-worker.h b/server/red-worker.h
> index dc2ff24..392f2c9 100644
> --- a/server/red-worker.h
> +++ b/server/red-worker.h
> @@ -30,6 +30,4 @@ RedWorker* red_worker_new(QXLInstance *qxl,
>                            const ClientCbs *client_display_cbs);
>  bool       red_worker_run(RedWorker *worker);
>  
> -void red_drawable_unref(RedDrawable *red_drawable);
> -
>  #endif
> diff --git a/server/reds-private.h b/server/reds-private.h
> index 36ef6c0..7fc99cc 100644
> --- a/server/reds-private.h
> +++ b/server/reds-private.h
> @@ -122,8 +122,7 @@ struct RedsState {
>                                      between the 2 servers */
>      GList *mig_target_clients;
>  
> -    int num_of_channels;
> -    Ring channels;
> +    GList *channels;
>      int mouse_mode;
>      int is_client_mouse_allowed;
>      int dispatcher_allows_client_mouse;
> diff --git a/server/reds.c b/server/reds.c
> index fc116e0..d06e5d5 100644
> --- a/server/reds.c
> +++ b/server/reds.c
> @@ -455,15 +455,13 @@ void stat_remove_counter(RedsState *reds,
> uint64_t *counter)
>  void reds_register_channel(RedsState *reds, RedChannel *channel)
>  {
>      spice_assert(reds);
> -    ring_add(&reds->channels, &channel->link);
> -    reds->num_of_channels++;
> +    reds->channels = g_list_append(reds->channels, channel);
>  }
>  
>  void reds_unregister_channel(RedsState *reds, RedChannel *channel)
>  {
> -    if (ring_item_is_linked(&channel->link)) {
> -        ring_remove(&channel->link);
> -        reds->num_of_channels--;
> +    if (g_list_find(reds->channels, channel)) {
> +        reds->channels = g_list_remove(reds->channels, channel);
>      } else {
>          spice_warning("not found");
>      }
> @@ -471,11 +469,13 @@ void reds_unregister_channel(RedsState *reds,
> RedChannel *channel)
>  
>  static RedChannel *reds_find_channel(RedsState *reds, uint32_t type,
> uint32_t id)
>  {
> -    RingItem *now;
> +    GList *l;
>  
> -    RING_FOREACH(now, &reds->channels) {
> -        RedChannel *channel = SPICE_CONTAINEROF(now, RedChannel,
> link);
> -        if (channel->type == type && channel->id == id) {
> +    for (l = reds->channels; l != NULL; l = l->next) {
> +        RedChannel *channel = l->data;
> +        uint32_t this_type, this_id;
> +        g_object_get(channel, "channel-type", &this_type, "id",
> &this_id, NULL);
> +        if (this_type == type && this_id == id) {
>              return channel;
>          }
>      }
> @@ -739,7 +739,7 @@ static void reds_agent_remove(RedsState *reds)
>      reds->vdagent = NULL;
>      reds_update_mouse_mode(reds);
>      if (reds_main_channel_connected(reds) &&
> -        !red_channel_is_waiting_for_migrate_data(&reds-
> >main_channel->base)) {
> +        !red_channel_is_waiting_for_migrate_data(RED_CHANNEL(reds-
> >main_channel))) {
>          main_channel_push_agent_disconnected(reds->main_channel);
>      }
>  }
> @@ -983,7 +983,9 @@ SPICE_GNUC_VISIBLE int
> spice_server_get_num_clients(SpiceServer *reds)
>  
>  static int channel_supports_multiple_clients(RedChannel *channel)
>  {
> -    switch (channel->type) {
> +    uint32_t type;
> +    g_object_get(channel, "channel-type", &type, NULL);
> +    switch (type) {
>      case SPICE_CHANNEL_MAIN:
>      case SPICE_CHANNEL_DISPLAY:
>      case SPICE_CHANNEL_CURSOR:
> @@ -995,23 +997,25 @@ static int
> channel_supports_multiple_clients(RedChannel *channel)
>  
>  static void reds_fill_channels(RedsState *reds, SpiceMsgChannels
> *channels_info)
>  {
> -    RingItem *now;
> +    GList *l;
>      int used_channels = 0;
>  
> -    RING_FOREACH(now, &reds->channels) {
> -        RedChannel *channel = SPICE_CONTAINEROF(now, RedChannel,
> link);
> +    for (l = reds->channels; l != NULL; l = l->next) {
> +        uint32_t type, id;
> +        RedChannel *channel = l->data;
>          if (reds->num_clients > 1 &&
>              !channel_supports_multiple_clients(channel)) {
>              continue;
>          }
> -        channels_info->channels[used_channels].type = channel->type;
> -        channels_info->channels[used_channels].id = channel->id;
> +        g_object_get(channel, "channel-type", &type, "id", &id,
> NULL);
> +        channels_info->channels[used_channels].type = type;
> +        channels_info->channels[used_channels].id = id;
>          used_channels++;
>      }
>  
>      channels_info->num_of_channels = used_channels;
> -    if (used_channels != reds->num_of_channels) {
> -        spice_warning("sent %d out of %d", used_channels, reds-
> >num_of_channels);
> +    if (used_channels != g_list_length(reds->channels)) {
> +        spice_warning("sent %d out of %d", used_channels,
> g_list_length(reds->channels));
>      }
>  }
>  
> @@ -1022,7 +1026,7 @@ SpiceMsgChannels
> *reds_msg_channels_new(RedsState *reds)
>      spice_assert(reds != NULL);
>  
>      channels_info = (SpiceMsgChannels
> *)spice_malloc(sizeof(SpiceMsgChannels)
> -                            + reds->num_of_channels *
> sizeof(SpiceChannelId));
> +                            + g_list_length(reds->channels) *
> sizeof(SpiceChannelId));
>  
>      reds_fill_channels(reds, channels_info);
>  
> @@ -1543,12 +1547,12 @@ static int reds_send_link_ack(RedsState
> *reds, RedLinkInfo *link)
>              return FALSE;
>          }
>          spice_assert(reds->main_channel);
> -        channel = &reds->main_channel->base;
> +        channel = RED_CHANNEL(reds->main_channel);
>      }
>  
>      reds_channel_init_auth_caps(link, channel); /* make sure common
> caps are set */
>  
> -    channel_caps = &channel->local_caps;
> +    channel_caps = red_channel_get_local_capabilities(channel);
>      ack.num_common_caps = GUINT32_TO_LE(channel_caps-
> >num_common_caps);
>      ack.num_channel_caps = GUINT32_TO_LE(channel_caps->num_caps);
>      hdr_size += channel_caps->num_common_caps * sizeof(uint32_t);
> @@ -1856,13 +1860,13 @@ static void reds_channel_do_link(RedChannel
> *channel, RedClient *client,
>      spice_assert(stream);
>  
>      caps = (uint32_t *)((uint8_t *)link_msg + link_msg-
> >caps_offset);
> -    channel->client_cbs.connect(channel, client, stream,
> -                                red_client_during_migrate_at_target(
> client),
> -                                link_msg->num_common_caps,
> -                                link_msg->num_common_caps ? caps :
> NULL,
> -                                link_msg->num_channel_caps,
> -                                link_msg->num_channel_caps ?
> -                                caps + link_msg->num_common_caps :
> NULL);
> +    red_channel_connect(channel, client, stream,
> +                        red_client_during_migrate_at_target(client),
> +                        link_msg->num_common_caps,
> +                        link_msg->num_common_caps ? caps : NULL,
> +                        link_msg->num_channel_caps,
> +                        link_msg->num_channel_caps ?
> +                        caps + link_msg->num_common_caps : NULL);
>  }
>  
>  /*
> @@ -3106,7 +3110,7 @@ static RedCharDevice
> *attach_to_red_agent(RedsState *reds, SpiceCharDeviceInstan
>      dev->priv->plug_generation++;
>  
>      if (dev->priv->mig_data ||
> -        red_channel_is_waiting_for_migrate_data(&reds->main_channel-
> >base)) {
> +        red_channel_is_waiting_for_migrate_data(RED_CHANNEL(reds-
> >main_channel))) {
>          /* Migration in progress (code is running on the destination
> host):
>           * 1.  Add the client to spice char device, if it was not
> already added.
>           * 2.a If this (qemu-kvm state load side of migration)
> happens first
> @@ -3430,7 +3434,7 @@ static int do_spice_init(RedsState *reds,
> SpiceCoreInterface *core_interface)
>      ring_init(&reds->clients);
>      reds->num_clients = 0;
>      reds->main_dispatcher = main_dispatcher_new(reds, reds->core);
> -    ring_init(&reds->channels);
> +    reds->channels = NULL;
>      reds->mig_target_clients = NULL;
>      reds->char_devices = NULL;
>      reds->mig_wait_disconnect_clients = NULL;
> @@ -4090,7 +4094,7 @@ SPICE_GNUC_VISIBLE int
> spice_server_migrate_connect(SpiceServer *reds, const cha
>       * be valid (see reds_reset_vdp for more details).
>       */
>      try_seamless = reds->seamless_migration_enabled &&
> -                   red_channel_test_remote_cap(&reds->main_channel-
> >base,
> +                   red_channel_test_remote_cap(RED_CHANNEL(reds-
> >main_channel),
>                     SPICE_MAIN_CAP_AGENT_CONNECTED_TOKENS);
>      /* main channel will take care of clients that are still during
> migration (at target)*/
>      if (main_channel_migrate_connect(reds->main_channel, reds-
> >config->mig_spice,
> diff --git a/server/smartcard.c b/server/smartcard.c
> index 13eed80..6974cb1 100644
> --- a/server/smartcard.c
> +++ b/server/smartcard.c
> @@ -49,9 +49,73 @@
>  // Maximal length of APDU
>  #define APDUBufSize 270
>  
> +#define RED_TYPE_SMARTCARD_CHANNEL red_smartcard_channel_get_type()
> +
> +#define RED_SMARTCARD_CHANNEL(obj) \
> +    (G_TYPE_CHECK_INSTANCE_CAST((obj), RED_TYPE_SMARTCARD_CHANNEL,
> RedSmartcardChannel))
> +#define RED_SMARTCARD_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), RED_TYPE_SMARTCARD_CHANNEL,
> RedSmartcardChannelClass))
> +#define RED_IS_SMARTCARD_CHANNEL(obj) \
> +    (G_TYPE_CHECK_INSTANCE_TYPE((obj), RED_TYPE_SMARTCARD_CHANNEL))
> +#define RED_IS_SMARTCARD_CHANNEL_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_TYPE((klass), RED_TYPE_SMARTCARD_CHANNEL))
> +#define RED_SMARTCARD_CHANNEL_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), RED_TYPE_SMARTCARD_CHANNEL,
> RedSmartcardChannelClass))
> +
> +typedef struct RedSmartcardChannel RedSmartcardChannel;
> +typedef struct RedSmartcardChannelClass RedSmartcardChannelClass;
> +typedef struct RedSmartcardChannelPrivate
> RedSmartcardChannelPrivate;
> +
> +struct RedSmartcardChannel
> +{
> +    RedChannel parent;
> +
> +    RedSmartcardChannelPrivate *priv;
> +};
> +
> +struct RedSmartcardChannelClass
> +{
> +    RedChannelClass parent_class;
> +};
> +
> +GType red_smartcard_channel_get_type(void) G_GNUC_CONST;
> +
> +G_DEFINE_TYPE(RedSmartcardChannel, red_smartcard_channel,
> RED_TYPE_CHANNEL)
> +
> +#define SMARTCARD_CHANNEL_PRIVATE(o) \
> +    (G_TYPE_INSTANCE_GET_PRIVATE((o), RED_TYPE_SMARTCARD_CHANNEL,
> RedSmartcardChannelPrivate))
> +
> +struct RedSmartcardChannelPrivate
> +{
> +    gpointer padding;
> +};
> +
> +static void
> +red_smartcard_channel_init(RedSmartcardChannel *self)
> +{
> +    self->priv = SMARTCARD_CHANNEL_PRIVATE(self);
> +}
> +
> +static RedSmartcardChannel *
> +red_smartcard_channel_new(RedsState *reds)
> +{
> +    return g_object_new(RED_TYPE_SMARTCARD_CHANNEL,
> +                        "spice-server", reds,
> +                        "core-interface",
> reds_get_core_interface(reds),
> +                        "channel-type", SPICE_CHANNEL_SMARTCARD,
> +                        "id", 0,
> +                        "handle-acks", FALSE /* handle_acks */,
> +                        "migration-flags",
> +                        (SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER),
> +                        NULL);
> +}
> +
> +
>  G_DEFINE_TYPE(RedCharDeviceSmartcard, red_char_device_smartcard,
> RED_TYPE_CHAR_DEVICE)
>  
> -#define RED_CHAR_DEVICE_SMARTCARD_PRIVATE(o)
> (G_TYPE_INSTANCE_GET_PRIVATE ((o), RED_TYPE_CHAR_DEVICE_SMARTCARD,
> RedCharDeviceSmartcardPrivate))
> +#define RED_CHAR_DEVICE_SMARTCARD_PRIVATE(o) \
> +    (G_TYPE_INSTANCE_GET_PRIVATE ((o),
> RED_TYPE_CHAR_DEVICE_SMARTCARD, \
> +                                  RedCharDeviceSmartcardPrivate))
>  
>  struct RedCharDeviceSmartcardPrivate {
>      uint32_t             reader_id;
> @@ -74,10 +138,6 @@ typedef struct RedMsgItem {
>  static RedMsgItem *smartcard_get_vsc_msg_item(RedChannelClient *rcc,
> VSCMsgHeader *vheader);
>  static void smartcard_channel_client_pipe_add_push(RedChannelClient
> *rcc, RedPipeItem *item);
>  
> -typedef struct SmartCardChannel {
> -    RedChannel base;
> -} SmartCardChannel;
> -
>  static struct Readers {
>      uint32_t num;
>      SpiceCharDeviceInstance* sin[SMARTCARD_MAX_READERS];
> @@ -519,41 +579,51 @@ static void smartcard_connect_client(RedChannel
> *channel, RedClient *client,
>      }
>  }
>  
> -SmartCardChannel *g_smartcard_channel;
> -
> -static void smartcard_init(RedsState *reds)
> +static void
> +red_smartcard_channel_constructed(GObject *object)
>  {
> -    ChannelCbs channel_cbs = { NULL, };
> +    RedSmartcardChannel *self = RED_SMARTCARD_CHANNEL(object);
> +    RedsState *reds = red_channel_get_server(RED_CHANNEL(self));
>      ClientCbs client_cbs = { NULL, };
> -    uint32_t migration_flags = SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER;
> -
> -    spice_assert(!g_smartcard_channel);
>  
> -    channel_cbs.config_socket =
> smartcard_channel_client_config_socket;
> -    channel_cbs.on_disconnect =
> smartcard_channel_client_on_disconnect;
> -    channel_cbs.send_item = smartcard_channel_send_item;
> -    channel_cbs.alloc_recv_buf =
> smartcard_channel_client_alloc_msg_rcv_buf;
> -    channel_cbs.release_recv_buf =
> smartcard_channel_client_release_msg_rcv_buf;
> -    channel_cbs.handle_migrate_flush_mark =
> smartcard_channel_client_handle_migrate_flush_mark;
> -    channel_cbs.handle_migrate_data =
> smartcard_channel_client_handle_migrate_data;
> -
> -    g_smartcard_channel =
> (SmartCardChannel*)red_channel_create(sizeof(SmartCardChannel),
> -                                             reds,
> -                                             reds_get_core_interface
> (reds),
> -                                             SPICE_CHANNEL_SMARTCARD
> , 0,
> -                                             FALSE /* handle_acks
> */,
> -                                             smartcard_channel_clien
> t_handle_message,
> -                                             &channel_cbs,
> -                                             migration_flags);
> -
> -    if (!g_smartcard_channel) {
> -        spice_error("failed to allocate Smartcard Channel");
> -    }
> +    G_OBJECT_CLASS(red_smartcard_channel_parent_class)-
> >constructed(object);
>  
>      client_cbs.connect = smartcard_connect_client;
> -    red_channel_register_client_cbs(&g_smartcard_channel->base,
> &client_cbs, NULL);
> +    red_channel_register_client_cbs(RED_CHANNEL(self), &client_cbs,
> NULL);
> +
> +    reds_register_channel(reds, RED_CHANNEL(self));
> +}
> +
> +static void
> +red_smartcard_channel_class_init(RedSmartcardChannelClass *klass)
> +{
> +    GObjectClass *object_class = G_OBJECT_CLASS(klass);
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    g_type_class_add_private(klass,
> sizeof(RedSmartcardChannelPrivate));
> +
> +    object_class->constructed = red_smartcard_channel_constructed;
> +
> +    channel_class->handle_message =
> smartcard_channel_client_handle_message,
> +
> +    channel_class->config_socket =
> smartcard_channel_client_config_socket;
> +    channel_class->on_disconnect =
> smartcard_channel_client_on_disconnect;
> +    channel_class->send_item = smartcard_channel_send_item;
> +    channel_class->alloc_recv_buf =
> smartcard_channel_client_alloc_msg_rcv_buf;
> +    channel_class->release_recv_buf =
> smartcard_channel_client_release_msg_rcv_buf;
> +    channel_class->handle_migrate_flush_mark =
> smartcard_channel_client_handle_migrate_flush_mark;
> +    channel_class->handle_migrate_data =
> smartcard_channel_client_handle_migrate_data;
> +
> +}
> +
> +/* FIXME: remove global */
> +RedSmartcardChannel *g_smartcard_channel;
> +
> +static void smartcard_init(RedsState *reds)
> +{
> +    spice_assert(!g_smartcard_channel);
>  
> -    reds_register_channel(reds, &g_smartcard_channel->base);
> +    g_smartcard_channel = red_smartcard_channel_new(reds);
>  }
>  
>  
> diff --git a/server/sound.c b/server/sound.c
> index db23e95..9edfa8a 100644
> --- a/server/sound.c
> +++ b/server/sound.c
> @@ -31,6 +31,7 @@
>  
>  #include "spice.h"
>  #include "red-common.h"
> +#include "dummy-channel.h"
>  #include "dummy-channel-client.h"
>  #include "main-channel.h"
>  #include "reds.h"
> @@ -218,6 +219,7 @@ static void snd_disconnect_channel(SndChannel
> *channel)
>      SndWorker *worker;
>      RedsState *reds;
>      RedChannel *red_channel;
> +    uint32_t type;
>  
>      if (!channel || !channel->stream) {
>          spice_debug("not connected");
> @@ -225,8 +227,9 @@ static void snd_disconnect_channel(SndChannel
> *channel)
>      }
>      red_channel = red_channel_client_get_channel(channel-
> >channel_client);
>      reds = snd_channel_get_server(channel);
> +    g_object_get(red_channel, "channel-type", &type, NULL);
>      spice_debug("SndChannel=%p rcc=%p type=%d",
> -                 channel, channel->channel_client, red_channel-
> >type);
> +                 channel, channel->channel_client, type);
>      worker = channel->worker;
>      channel->cleanup(channel);
>      red_channel_client_disconnect(worker->connection-
> >channel_client);
> @@ -998,12 +1001,14 @@ static void
> snd_disconnect_channel_client(RedChannelClient *rcc)
>  {
>      SndWorker *worker;
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> +    uint32_t type;
>  
>      spice_assert(channel);
> -    spice_assert(channel->data);
> -    worker = (SndWorker *)channel->data;
> +    worker = (SndWorker *)g_object_get_data(G_OBJECT(channel),
> "sound-worker");
> +    spice_assert(worker);
> +    g_object_get(channel, "channel-type", &type, NULL);
>  
> -    spice_debug("channel-type=%d", channel->type);
> +    spice_debug("channel-type=%d", type);
>      if (worker->connection) {
>          spice_assert(worker->connection->channel_client == rcc);
>          snd_disconnect_channel(worker->connection);
> @@ -1058,6 +1063,7 @@ SPICE_GNUC_VISIBLE void
> spice_server_playback_start(SpicePlaybackInstance *sin)
>      sin->st->worker.active = 1;
>      if (!channel)
>          return;
> +
>      spice_assert(!playback_channel->base.active);
>      reds_disable_mm_time(snd_channel_get_server(channel));
>      playback_channel->base.active = TRUE;
> @@ -1077,6 +1083,7 @@ SPICE_GNUC_VISIBLE void
> spice_server_playback_stop(SpicePlaybackInstance *sin)
>      sin->st->worker.active = 0;
>      if (!channel)
>          return;
> +
>      spice_assert(playback_channel->base.active);
>      reds_enable_mm_time(snd_channel_get_server(channel));
>      playback_channel->base.active = FALSE;
> @@ -1145,7 +1152,9 @@ void snd_set_playback_latency(RedClient
> *client, uint32_t latency)
>      SndWorker *now = workers;
>  
>      for (; now; now = now->next) {
> -        if (now->base_channel->type == SPICE_CHANNEL_PLAYBACK &&
> now->connection &&
> +        uint32_t type;
> +        g_object_get(now->base_channel, "channel-type", &type,
> NULL);
> +        if (type == SPICE_CHANNEL_PLAYBACK && now->connection &&
>              red_channel_client_get_client(now->connection-
> >channel_client) == client) {
>  
>              if (red_channel_client_test_remote_cap(now->connection-
> >channel_client,
> @@ -1213,7 +1222,7 @@ static void snd_set_playback_peer(RedChannel
> *channel, RedClient *client, RedsSt
>                                    int migration, int
> num_common_caps, uint32_t *common_caps,
>                                    int num_caps, uint32_t *caps)
>  {
> -    SndWorker *worker = channel->data;
> +    SndWorker *worker = g_object_get_data(G_OBJECT(channel), "sound-
> worker");
>      PlaybackChannel *playback_channel;
>      SpicePlaybackState *st = SPICE_CONTAINEROF(worker,
> SpicePlaybackState, worker);
>  
> @@ -1242,7 +1251,8 @@ static void snd_set_playback_peer(RedChannel
> *channel, RedClient *client, RedsSt
>                                            SPICE_PLAYBACK_CAP_CELT_0_
> 5_1);
>      int client_can_opus =
> red_channel_client_test_remote_cap(playback_channel-
> >base.channel_client,
>                                            SPICE_PLAYBACK_CAP_OPUS);
> -    int playback_compression =
> reds_config_get_playback_compression(channel->reds);
> +    int playback_compression =
> +        reds_config_get_playback_compression(red_channel_get_server(
> channel));
>      int desired_mode = snd_desired_audio_mode(playback_compression,
> st->frequency,
>                                                client_can_celt,
> client_can_opus);
>      playback_channel->mode = SPICE_AUDIO_DATA_MODE_RAW;
> @@ -1271,8 +1281,8 @@ static void
> snd_record_migrate_channel_client(RedChannelClient *rcc)
>  
>      spice_debug(NULL);
>      spice_assert(channel);
> -    spice_assert(channel->data);
> -    worker = (SndWorker *)channel->data;
> +    worker = (SndWorker *)g_object_get_data(G_OBJECT(channel),
> "sound-worker");
> +    spice_assert(worker);
>  
>      if (worker->connection) {
>          spice_assert(worker->connection->channel_client == rcc);
> @@ -1462,7 +1472,7 @@ static void snd_set_record_peer(RedChannel
> *channel, RedClient *client, RedsStre
>                                  int migration, int num_common_caps,
> uint32_t *common_caps,
>                                  int num_caps, uint32_t *caps)
>  {
> -    SndWorker *worker = channel->data;
> +    SndWorker *worker = g_object_get_data(G_OBJECT(channel), "sound-
> worker");
>      RecordChannel *record_channel;
>      SpiceRecordState *st = SPICE_CONTAINEROF(worker,
> SpiceRecordState, worker);
>  
> @@ -1500,8 +1510,8 @@ static void
> snd_playback_migrate_channel_client(RedChannelClient *rcc)
>      RedChannel *channel = red_channel_client_get_channel(rcc);
>  
>      spice_assert(channel);
> -    spice_assert(channel->data);
> -    worker = (SndWorker *)channel->data;
> +    worker = (SndWorker *)g_object_get_data(G_OBJECT(channel),
> "sound-worker");
> +    spice_assert(worker);
>      spice_debug(NULL);
>  
>      if (worker->connection) {
> @@ -1542,8 +1552,9 @@ void snd_attach_playback(RedsState *reds,
> SpicePlaybackInstance *sin)
>      sin->st->frequency = SND_CODEC_CELT_PLAYBACK_FREQ; /* Default to
> the legacy rate */
>  
>      // TODO: Make RedChannel base of worker? instead of assigning it
> to channel->data
> -    channel = red_channel_create_dummy(sizeof(RedChannel), reds,
> SPICE_CHANNEL_PLAYBACK, 0);
> +    channel = dummy_channel_new(reds, SPICE_CHANNEL_PLAYBACK, 0);
>  
> +    g_object_set_data(G_OBJECT(channel), "sound-worker",
> playback_worker);
>      client_cbs.connect = snd_set_playback_peer;
>      client_cbs.disconnect = snd_disconnect_channel_client;
>      client_cbs.migrate = snd_playback_migrate_channel_client;
> @@ -1571,8 +1582,9 @@ void snd_attach_record(RedsState *reds,
> SpiceRecordInstance *sin)
>      sin->st->frequency = SND_CODEC_CELT_PLAYBACK_FREQ; /* Default to
> the legacy rate */
>  
>      // TODO: Make RedChannel base of worker? instead of assigning it
> to channel->data
> -    channel = red_channel_create_dummy(sizeof(RedChannel), reds,
> SPICE_CHANNEL_RECORD, 0);
> +    channel = dummy_channel_new(reds, SPICE_CHANNEL_RECORD, 0);
>  
> +    g_object_set_data(G_OBJECT(channel), "sound-worker",
> record_worker);
>      client_cbs.connect = snd_set_record_peer;
>      client_cbs.disconnect = snd_disconnect_channel_client;
>      client_cbs.migrate = snd_record_migrate_channel_client;
> @@ -1628,7 +1640,9 @@ void snd_set_playback_compression(int on)
>      SndWorker *now = workers;
>  
>      for (; now; now = now->next) {
> -        if (now->base_channel->type == SPICE_CHANNEL_PLAYBACK &&
> now->connection) {
> +        uint32_t type;
> +        g_object_get(now->base_channel, "channel-type", &type,
> NULL);
> +        if (type == SPICE_CHANNEL_PLAYBACK && now->connection) {
>              PlaybackChannel* playback = (PlaybackChannel*)now-
> >connection;
>              SpicePlaybackState *st = SPICE_CONTAINEROF(now,
> SpicePlaybackState, worker);
>              int client_can_celt =
> red_channel_client_test_remote_cap(playback->base.channel_client,
> diff --git a/server/spicevmc.c b/server/spicevmc.c
> index e710111..d92a0fe 100644
> --- a/server/spicevmc.c
> +++ b/server/spicevmc.c
> @@ -57,23 +57,18 @@ typedef struct RedVmcPipeItem {
>      uint32_t buf_used;
>  } RedVmcPipeItem;
>  
> -typedef struct SpiceVmcState {
> -    RedChannel channel; /* Must be the first item */
> -    RedChannelClient *rcc;
> -    RedCharDevice *chardev;
> -    SpiceCharDeviceInstance *chardev_sin;
> -    RedVmcPipeItem *pipe_item;
> -    RedCharDeviceWriteBuffer *recv_from_client_buf;
> -    uint8_t port_opened;
> -} SpiceVmcState;
> -
>  #define RED_TYPE_CHAR_DEVICE_SPICEVMC
> red_char_device_spicevmc_get_type()
>  
> -#define RED_CHAR_DEVICE_SPICEVMC(obj)
> (G_TYPE_CHECK_INSTANCE_CAST((obj), RED_TYPE_CHAR_DEVICE_SPICEVMC,
> RedCharDeviceSpiceVmc))
> -#define RED_CHAR_DEVICE_SPICEVMC_CLASS(klass)
> (G_TYPE_CHECK_CLASS_CAST((klass), RED_TYPE_CHAR_DEVICE_SPICEVMC,
> RedCharDeviceSpiceVmcClass))
> -#define RED_IS_CHAR_DEVICE_SPICEVMC(obj)
> (G_TYPE_CHECK_INSTANCE_TYPE((obj), RED_TYPE_CHAR_DEVICE_SPICEVMC))
> -#define RED_IS_CHAR_DEVICE_SPICEVMC_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), RED_TYPE_CHAR_DEVICE_SPICEVMC))
> -#define RED_CHAR_DEVICE_SPICEVMC_GET_CLASS(obj)
> (G_TYPE_INSTANCE_GET_CLASS((obj), RED_TYPE_CHAR_DEVICE_SPICEVMC,
> RedCharDeviceSpiceVmcClass))
> +#define RED_CHAR_DEVICE_SPICEVMC(obj) \
> +    (G_TYPE_CHECK_INSTANCE_CAST((obj),
> RED_TYPE_CHAR_DEVICE_SPICEVMC, RedCharDeviceSpiceVmc))
> +#define RED_CHAR_DEVICE_SPICEVMC_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), RED_TYPE_CHAR_DEVICE_SPICEVMC,
> RedCharDeviceSpiceVmcClass))
> +#define RED_IS_CHAR_DEVICE_SPICEVMC(obj) \
> +    (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> RED_TYPE_CHAR_DEVICE_SPICEVMC))
> +#define RED_IS_CHAR_DEVICE_SPICEVMC_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_TYPE((klass),
> RED_TYPE_CHAR_DEVICE_SPICEVMC))
> +#define RED_CHAR_DEVICE_SPICEVMC_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), RED_TYPE_CHAR_DEVICE_SPICEVMC,
> RedCharDeviceSpiceVmcClass))
>  
>  typedef struct RedCharDeviceSpiceVmc RedCharDeviceSpiceVmc;
>  typedef struct RedCharDeviceSpiceVmcClass
> RedCharDeviceSpiceVmcClass;
> @@ -94,6 +89,213 @@ static RedCharDevice
> *red_char_device_spicevmc_new(SpiceCharDeviceInstance *sin,
>  
>  G_DEFINE_TYPE(RedCharDeviceSpiceVmc, red_char_device_spicevmc,
> RED_TYPE_CHAR_DEVICE)
>  
> +#define RED_CHAR_DEVICE_SPICEVMC_PRIVATE(o) \
> +    (G_TYPE_INSTANCE_GET_PRIVATE ((o),
> RED_TYPE_CHAR_DEVICE_SPICEVMC, RedCharDeviceSpiceVmcPrivate))
> +
> +#define SPICE_TYPE_VMC_STATE spice_vmc_state_get_type()
> +
> +#define SPICE_VMC_STATE(obj) \
> +    (G_TYPE_CHECK_INSTANCE_CAST((obj), SPICE_TYPE_VMC_STATE,
> SpiceVmcState))
> +#define SPICE_VMC_STATE_CLASS(klass) \
> +    (G_TYPE_CHECK_CLASS_CAST((klass), SPICE_TYPE_VMC_STATE,
> SpiceVmcStateClass))
> +#define SPICE_IS_VMC_STATE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),
> SPICE_TYPE_VMC_STATE))
> +#define SPICE_IS_VMC_STATE_CLASS(klass)
> (G_TYPE_CHECK_CLASS_TYPE((klass), SPICE_TYPE_VMC_STATE))
> +#define SPICE_VMC_STATE_GET_CLASS(obj) \
> +    (G_TYPE_INSTANCE_GET_CLASS((obj), SPICE_TYPE_VMC_STATE,
> SpiceVmcStateClass))
> +
> +typedef struct SpiceVmcState SpiceVmcState;
> +typedef struct SpiceVmcStateClass SpiceVmcStateClass;
> +typedef struct SpiceVmcStatePrivate SpiceVmcStatePrivate;
> +
> +struct SpiceVmcState
> +{
> +    RedChannel parent;
> +
> +    SpiceVmcStatePrivate *priv;
> +};
> +
> +struct SpiceVmcStateClass
> +{
> +    RedChannelClass parent_class;
> +};
> +
> +GType spice_vmc_state_get_type(void) G_GNUC_CONST;
> +
> +G_DEFINE_TYPE(SpiceVmcState, spice_vmc_state, RED_TYPE_CHANNEL)
> +
> +
> +#define SPICE_TYPE_VMC_STATE_USBREDIR
> spice_vmc_state_usbredir_get_type()
> +typedef struct
> +{
> +    SpiceVmcState parent;
> +} SpiceVmcStateUsbredir;
> +
> +typedef struct
> +{
> +    SpiceVmcStateClass parent_class;
> +} SpiceVmcStateUsbredirClass;
> +
> +GType spice_vmc_state_usbredir_get_type(void) G_GNUC_CONST;
> +static void spice_vmc_state_usbredir_init(SpiceVmcStateUsbredir
> *self)
> +{
> +}
> +G_DEFINE_TYPE(SpiceVmcStateUsbredir, spice_vmc_state_usbredir,
> SPICE_TYPE_VMC_STATE)
> +
> +
> +#define SPICE_TYPE_VMC_STATE_WEBDAV
> spice_vmc_state_webdav_get_type()
> +typedef struct
> +{
> +    SpiceVmcState parent;
> +} SpiceVmcStateWebdav;
> +
> +typedef struct
> +{
> +    SpiceVmcStateClass parent_class;
> +} SpiceVmcStateWebdavClass;
> +
> +GType spice_vmc_state_webdav_get_type(void) G_GNUC_CONST;
> +static void spice_vmc_state_webdav_init(SpiceVmcStateWebdav *self)
> +{
> +}
> +G_DEFINE_TYPE(SpiceVmcStateWebdav, spice_vmc_state_webdav,
> SPICE_TYPE_VMC_STATE)
> +
> +
> +#define SPICE_TYPE_VMC_STATE_PORT spice_vmc_state_port_get_type()
> +typedef struct
> +{
> +    SpiceVmcState parent;
> +} SpiceVmcStatePort;
> +
> +typedef struct
> +{
> +    SpiceVmcStateClass parent_class;
> +} SpiceVmcStatePortClass;
> +
> +GType spice_vmc_state_port_get_type(void) G_GNUC_CONST;
> +static void spice_vmc_state_port_init(SpiceVmcStatePort *self)
> +{
> +}
> +G_DEFINE_TYPE(SpiceVmcStatePort, spice_vmc_state_port,
> SPICE_TYPE_VMC_STATE)
> +
> +#define VMC_STATE_PRIVATE(o) \
> +    (G_TYPE_INSTANCE_GET_PRIVATE((o), SPICE_TYPE_VMC_STATE,
> SpiceVmcStatePrivate))
> +
> +struct SpiceVmcStatePrivate
> +{
> +    RedChannelClient *rcc;
> +    RedCharDevice *chardev;
> +    SpiceCharDeviceInstance *chardev_sin;
> +    RedVmcPipeItem *pipe_item;
> +    RedCharDeviceWriteBuffer *recv_from_client_buf;
> +    uint8_t port_opened;
> +};
> +
> +enum {
> +    PROP0,
> +    PROP_DEVICE_INSTANCE
> +};
> +
> +static void
> +spice_vmc_state_get_property(GObject *object,
> +                             guint property_id,
> +                             GValue *value,
> +                             GParamSpec *pspec)
> +{
> +    SpiceVmcState *self = SPICE_VMC_STATE(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_DEVICE_INSTANCE:
> +            g_value_set_pointer(value, self->priv->chardev_sin);
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
> +static void
> +spice_vmc_state_set_property(GObject *object,
> +                             guint property_id,
> +                             const GValue *value,
> +                             GParamSpec *pspec)
> +{
> +    SpiceVmcState *self = SPICE_VMC_STATE(object);
> +
> +    switch (property_id)
> +    {
> +        case PROP_DEVICE_INSTANCE:
> +            self->priv->chardev_sin = g_value_get_pointer(value);
> +            break;
> +        default:
> +            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
> pspec);
> +    }
> +}
> +
> +static void spicevmc_connect(RedChannel *channel, RedClient *client,
> +                             RedsStream *stream, int migration, int
> num_common_caps,
> +                             uint32_t *common_caps, int num_caps,
> uint32_t *caps);
> +
> +static void
> +spice_vmc_state_constructed(GObject *object)
> +{
> +    SpiceVmcState *self = SPICE_VMC_STATE(object);
> +    ClientCbs client_cbs = { NULL, };
> +    RedsState *reds = red_channel_get_server(RED_CHANNEL(self));
> +
> +    G_OBJECT_CLASS(spice_vmc_state_parent_class)-
> >constructed(object);
> +
> +    client_cbs.connect = spicevmc_connect;
> +    red_channel_register_client_cbs(RED_CHANNEL(self), &client_cbs,
> NULL);
> +
> +#ifdef USE_LZ4
> +    red_channel_set_cap(RED_CHANNEL(self),
> SPICE_SPICEVMC_CAP_DATA_COMPRESS_LZ4);
> +#endif
> +
> +    red_channel_init_outgoing_messages_window(RED_CHANNEL(self));
> +
> +    self->priv->chardev = red_char_device_spicevmc_new(self->priv-
> >chardev_sin,
> +                                                          reds,
> self);
> +
> +    reds_register_channel(reds, RED_CHANNEL(self));
> +}
> +
> +static void
> +spice_vmc_state_init(SpiceVmcState *self)
> +{
> +    self->priv = VMC_STATE_PRIVATE(self);
> +}
> +
> +static SpiceVmcState *spice_vmc_state_new(RedsState *reds, uint8_t
> channel_type,
> +                                          SpiceCharDeviceInstance
> *sin)
> +{
> +    GType gtype = G_TYPE_NONE;
> +    static uint8_t id[256] = { 0, };
> +
> +    switch (channel_type) {
> +        case SPICE_CHANNEL_USBREDIR:
> +            gtype = SPICE_TYPE_VMC_STATE_USBREDIR;
> +            break;
> +        case SPICE_CHANNEL_WEBDAV:
> +            gtype = SPICE_TYPE_VMC_STATE_WEBDAV;
> +            break;
> +        case SPICE_CHANNEL_PORT:
> +            gtype = SPICE_TYPE_VMC_STATE_PORT;
> +            break;
> +        default:
> +            g_error("Unsupported channel_type for
> spice_vmc_state_new(): %u", channel_type);
> +    }
> +    return g_object_new(gtype,
> +                        "spice-server", reds,
> +                        "core-interface",
> reds_get_core_interface(reds),
> +                        "channel-type", channel_type,
> +                        "id", id[channel_type]++,
> +                        "handle-acks", FALSE,
> +                        "migration-flags",
> +                        (SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER),
> +                        "device-instance", sin,
> +                        NULL);
> +}
> +
>  typedef struct RedPortInitPipeItem {
>      RedPipeItem base;
>      char* name;
> @@ -128,7 +330,7 @@ static RedVmcPipeItem*
> try_compress_lz4(SpiceVmcState *state, int n, RedVmcPipeI
>      RedVmcPipeItem *msg_item_compressed;
>      int compressed_data_count;
>  
> -    if (reds_stream_get_family(red_channel_client_get_stream(state-
> >rcc)) == AF_UNIX) {
> +    if (reds_stream_get_family(red_channel_client_get_stream(state-
> >priv->rcc)) == AF_UNIX) {
>          /* AF_LOCAL - data will not be compressed */
>          return NULL;
>      }
> @@ -136,7 +338,7 @@ static RedVmcPipeItem*
> try_compress_lz4(SpiceVmcState *state, int n, RedVmcPipeI
>          /* n <= threshold - data will not be compressed */
>          return NULL;
>      }
> -    if (!red_channel_test_remote_cap(&state->channel,
> SPICE_SPICEVMC_CAP_DATA_COMPRESS_LZ4)) {
> +    if (!red_channel_test_remote_cap(RED_CHANNEL(state),
> SPICE_SPICEVMC_CAP_DATA_COMPRESS_LZ4)) {
>          /* Client doesn't have compression cap - data will not be
> compressed */
>          return NULL;
>      }
> @@ -171,18 +373,18 @@ static RedPipeItem
> *spicevmc_chardev_read_msg_from_dev(SpiceCharDeviceInstance *
>  
>      sif = spice_char_device_get_interface(sin);
>  
> -    if (!state->rcc) {
> +    if (!state->priv->rcc) {
>          return NULL;
>      }
>  
> -    if (!state->pipe_item) {
> +    if (!state->priv->pipe_item) {
>          msg_item = spice_new0(RedVmcPipeItem, 1);
>          msg_item->type = SPICE_DATA_COMPRESSION_TYPE_NONE;
>          red_pipe_item_init(&msg_item->base,
> RED_PIPE_ITEM_TYPE_SPICEVMC_DATA);
>      } else {
> -        spice_assert(state->pipe_item->buf_used == 0);
> -        msg_item = state->pipe_item;
> -        state->pipe_item = NULL;
> +        spice_assert(state->priv->pipe_item->buf_used == 0);
> +        msg_item = state->priv->pipe_item;
> +        state->priv->pipe_item = NULL;
>      }
>  
>      n = sif->read(sin, msg_item->buf,
> @@ -201,7 +403,7 @@ static RedPipeItem
> *spicevmc_chardev_read_msg_from_dev(SpiceCharDeviceInstance *
>          msg_item->buf_used = n;
>          return &msg_item->base;
>      } else {
> -        state->pipe_item = msg_item;
> +        state->priv->pipe_item = msg_item;
>          return NULL;
>      }
>  }
> @@ -212,26 +414,26 @@ static void
> spicevmc_chardev_send_msg_to_client(RedPipeItem *msg,
>  {
>      SpiceVmcState *state = opaque;
>  
> -    spice_assert(red_channel_client_get_client(state->rcc) ==
> client);
> +    spice_assert(red_channel_client_get_client(state->priv->rcc) ==
> client);
>      red_pipe_item_ref(msg);
> -    red_channel_client_pipe_add_push(state->rcc, msg);
> +    red_channel_client_pipe_add_push(state->priv->rcc, msg);
>  }
>  
>  static SpiceVmcState
> *spicevmc_red_channel_client_get_state(RedChannelClient *rcc)
>  {
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> -    return SPICE_CONTAINEROF(channel, SpiceVmcState, channel);
> +    return SPICE_VMC_STATE(channel);
>  }
>  
>  static void spicevmc_port_send_init(RedChannelClient *rcc)
>  {
>      SpiceVmcState *state =
> spicevmc_red_channel_client_get_state(rcc);
> -    SpiceCharDeviceInstance *sin = state->chardev_sin;
> +    SpiceCharDeviceInstance *sin = state->priv->chardev_sin;
>      RedPortInitPipeItem *item =
> spice_malloc(sizeof(RedPortInitPipeItem));
>  
>      red_pipe_item_init(&item->base, RED_PIPE_ITEM_TYPE_PORT_INIT);
>      item->name = strdup(sin->portname);
> -    item->opened = state->port_opened;
> +    item->opened = state->priv->port_opened;
>      red_channel_client_pipe_add_push(rcc, &item->base);
>  }
>  
> @@ -256,10 +458,10 @@ static void
> spicevmc_char_dev_remove_client(RedClient *client, void *opaque)
>      SpiceVmcState *state = opaque;
>  
>      spice_printerr("vmc state %p, client %p", state, client);
> -    spice_assert(state->rcc &&
> -                 red_channel_client_get_client(state->rcc) ==
> client);
> +    spice_assert(state->priv->rcc &&
> +                 red_channel_client_get_client(state->priv->rcc) ==
> client);
>  
> -    red_channel_client_shutdown(state->rcc);
> +    red_channel_client_shutdown(state->priv->rcc);
>  }
>  
>  static int
> spicevmc_red_channel_client_config_socket(RedChannelClient *rcc)
> @@ -267,8 +469,10 @@ static int
> spicevmc_red_channel_client_config_socket(RedChannelClient *rcc)
>      int delay_val = 1;
>      RedsStream *stream = red_channel_client_get_stream(rcc);
>      RedChannel *channel = red_channel_client_get_channel(rcc);
> +    uint32_t type;
>  
> -    if (channel->type == SPICE_CHANNEL_USBREDIR) {
> +    g_object_get(channel, "channel-type", &type, NULL);
> +    if (type == SPICE_CHANNEL_USBREDIR) {
>          if (setsockopt(stream->socket, IPPROTO_TCP, TCP_NODELAY,
>                  &delay_val, sizeof(delay_val)) != 0) {
>              if (errno != ENOTSUP && errno != ENOPROTOOPT) {
> @@ -294,14 +498,14 @@ static void
> spicevmc_red_channel_client_on_disconnect(RedChannelClient *rcc)
>      state = spicevmc_red_channel_client_get_state(rcc);
>  
>      /* partial message which wasn't pushed to device */
> -    red_char_device_write_buffer_release(state->chardev, &state-
> >recv_from_client_buf);
> +    red_char_device_write_buffer_release(state->priv->chardev,
> &state->priv->recv_from_client_buf);
>  
> -    if (state->chardev) {
> -        if (red_char_device_client_exists(state->chardev, client)) {
> -            red_char_device_client_remove(state->chardev, client);
> +    if (state->priv->chardev) {
> +        if (red_char_device_client_exists(state->priv->chardev,
> client)) {
> +            red_char_device_client_remove(state->priv->chardev,
> client);
>          } else {
>              spice_printerr("client %p have already been removed from
> char dev %p",
> -                           client, state->chardev);
> +                           client, state->priv->chardev);
>          }
>      }
>  
> @@ -310,10 +514,10 @@ static void
> spicevmc_red_channel_client_on_disconnect(RedChannelClient *rcc)
>      if (!red_channel_client_is_destroying(rcc))
>          red_channel_client_destroy(rcc);
>  
> -    state->rcc = NULL;
> -    sif = spice_char_device_get_interface(state->chardev_sin);
> +    state->priv->rcc = NULL;
> +    sif = spice_char_device_get_interface(state->priv->chardev_sin);
>      if (sif->state) {
> -        sif->state(state->chardev_sin, 0);
> +        sif->state(state->priv->chardev_sin, 0);
>      }
>  }
>  
> @@ -342,7 +546,7 @@ static int
> spicevmc_channel_client_handle_migrate_data(RedChannelClient *rcc,
>          spice_error("bad header");
>          return FALSE;
>      }
> -    return red_char_device_restore(state->chardev, &mig_data->base);
> +    return red_char_device_restore(state->priv->chardev, &mig_data-
> >base);
>  }
>  
>  static int handle_compressed_msg(SpiceVmcState *state,
> RedChannelClient *rcc,
> @@ -352,7 +556,7 @@ static int handle_compressed_msg(SpiceVmcState
> *state, RedChannelClient *rcc,
>      int decompressed_size;
>      RedCharDeviceWriteBuffer *write_buf;
>  
> -    write_buf = red_char_device_write_buffer_get(state->chardev,
> +    write_buf = red_char_device_write_buffer_get(state->priv-
> >chardev,
>                                                   red_channel_client_
> get_client(rcc),
>                                                   compressed_data_msg
> ->uncompressed_size);
>      if (!write_buf) {
> @@ -372,16 +576,16 @@ static int handle_compressed_msg(SpiceVmcState
> *state, RedChannelClient *rcc,
>  #endif
>      default:
>          spice_warning("Invalid Compression Type");
> -        red_char_device_write_buffer_release(state->chardev,
> &write_buf);
> +        red_char_device_write_buffer_release(state->priv->chardev,
> &write_buf);
>          return FALSE;
>      }
>      if (decompressed_size != compressed_data_msg->uncompressed_size) 
> {
>          spice_warning("Decompression Error");
> -        red_char_device_write_buffer_release(state->chardev,
> &write_buf);
> +        red_char_device_write_buffer_release(state->priv->chardev,
> &write_buf);
>          return FALSE;
>      }
>      write_buf->buf_used = decompressed_size;
> -    red_char_device_write_buffer_add(state->chardev, write_buf);
> +    red_char_device_write_buffer_add(state->priv->chardev,
> write_buf);
>      return TRUE;
>  }
>  
> @@ -396,14 +600,14 @@ static int
> spicevmc_red_channel_client_handle_message_parsed(RedChannelClient *r
>      SpiceCharDeviceInterface *sif;
>  
>      state = spicevmc_red_channel_client_get_state(rcc);
> -    sif = spice_char_device_get_interface(state->chardev_sin);
> +    sif = spice_char_device_get_interface(state->priv->chardev_sin);
>  
>      switch (type) {
>      case SPICE_MSGC_SPICEVMC_DATA:
> -        spice_assert(state->recv_from_client_buf->buf == msg);
> -        state->recv_from_client_buf->buf_used = size;
> -        red_char_device_write_buffer_add(state->chardev, state-
> >recv_from_client_buf);
> -        state->recv_from_client_buf = NULL;
> +        spice_assert(state->priv->recv_from_client_buf->buf == msg);
> +        state->priv->recv_from_client_buf->buf_used = size;
> +        red_char_device_write_buffer_add(state->priv->chardev,
> state->priv->recv_from_client_buf);
> +        state->priv->recv_from_client_buf = NULL;
>          break;
>      case SPICE_MSGC_SPICEVMC_COMPRESSED_DATA:
>          return handle_compressed_msg(state, rcc,
> (SpiceMsgCompressedData*)msg);
> @@ -414,7 +618,7 @@ static int
> spicevmc_red_channel_client_handle_message_parsed(RedChannelClient *r
>              return FALSE;
>          }
>          if (sif->base.minor_version >= 2 && sif->event != NULL)
> -            sif->event(state->chardev_sin, *(uint8_t*)msg);
> +            sif->event(state->priv->chardev_sin, *(uint8_t*)msg);
>          break;
>      default:
>          return red_channel_client_handle_message(rcc, size, type,
> (uint8_t*)msg);
> @@ -434,16 +638,16 @@ static uint8_t
> *spicevmc_red_channel_alloc_msg_rcv_buf(RedChannelClient *rcc,
>  
>      switch (type) {
>      case SPICE_MSGC_SPICEVMC_DATA:
> -        assert(!state->recv_from_client_buf);
> +        assert(!state->priv->recv_from_client_buf);
>  
> -        state->recv_from_client_buf =
> red_char_device_write_buffer_get(state->chardev,
> -                                                                    
>    client,
> -                                                                    
>    size);
> -        if (!state->recv_from_client_buf) {
> +        state->priv->recv_from_client_buf =
> red_char_device_write_buffer_get(state->priv->chardev,
> +                                                                    
>          client,
> +                                                                    
>          size);
> +        if (!state->priv->recv_from_client_buf) {
>              spice_error("failed to allocate write buffer");
>              return NULL;
>          }
> -        return state->recv_from_client_buf->buf;
> +        return state->priv->recv_from_client_buf->buf;
>  
>      default:
>          return spice_malloc(size);
> @@ -463,7 +667,8 @@ static void
> spicevmc_red_channel_release_msg_rcv_buf(RedChannelClient *rcc,
>      switch (type) {
>      case SPICE_MSGC_SPICEVMC_DATA:
>          /* buffer wasn't pushed to device */
> -        red_char_device_write_buffer_release(state->chardev, &state-
> >recv_from_client_buf);
> +        red_char_device_write_buffer_release(state->priv->chardev,
> +                                             &state->priv-
> >recv_from_client_buf);
>          break;
>      default:
>          free(msg);
> @@ -502,7 +707,7 @@ static void
> spicevmc_red_channel_send_migrate_data(RedChannelClient *rcc,
>      spice_marshaller_add_uint32(m,
> SPICE_MIGRATE_DATA_SPICEVMC_MAGIC);
>      spice_marshaller_add_uint32(m,
> SPICE_MIGRATE_DATA_SPICEVMC_VERSION);
>  
> -    red_char_device_migrate_data_marshall(state->chardev, m);
> +    red_char_device_migrate_data_marshall(state->priv->chardev, m);
>  }
>  
>  static void spicevmc_red_channel_send_port_init(RedChannelClient
> *rcc,
> @@ -556,6 +761,63 @@ static void
> spicevmc_red_channel_send_item(RedChannelClient *rcc,
>      red_channel_client_begin_send_message(rcc);
>  }
>  
> +
> +static void
> +spice_vmc_state_class_init(SpiceVmcStateClass *klass)
> +{
> +    GObjectClass *object_class = G_OBJECT_CLASS(klass);
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    g_type_class_add_private(klass, sizeof(SpiceVmcStatePrivate));
> +
> +    object_class->get_property = spice_vmc_state_get_property;
> +    object_class->set_property = spice_vmc_state_set_property;
> +    object_class->constructed = spice_vmc_state_constructed;
> +
> +    channel_class->handle_parsed =
> spicevmc_red_channel_client_handle_message_parsed;
> +
> +    channel_class->config_socket =
> spicevmc_red_channel_client_config_socket;
> +    channel_class->on_disconnect =
> spicevmc_red_channel_client_on_disconnect;
> +    channel_class->send_item = spicevmc_red_channel_send_item;
> +    channel_class->alloc_recv_buf =
> spicevmc_red_channel_alloc_msg_rcv_buf;
> +    channel_class->release_recv_buf =
> spicevmc_red_channel_release_msg_rcv_buf;
> +    channel_class->handle_migrate_flush_mark =
> spicevmc_channel_client_handle_migrate_flush_mark;
> +    channel_class->handle_migrate_data =
> spicevmc_channel_client_handle_migrate_data;
> +
> +    g_object_class_install_property(object_class,
> +                                    PROP_DEVICE_INSTANCE,
> +                                    g_param_spec_pointer("device-
> instance",
> +                                                         "device
> instance",
> +                                                         "Device
> instance for this channel",
> +                                                         G_PARAM_REA
> DWRITE |
> +                                                         G_PARAM_CON
> STRUCT_ONLY |
> +                                                         G_PARAM_STA
> TIC_STRINGS));
> +}
> +
> +static void
> +spice_vmc_state_usbredir_class_init(SpiceVmcStateUsbredirClass
> *klass)
> +{
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    channel_class->parser =
> spice_get_client_channel_parser(SPICE_CHANNEL_USBREDIR, NULL);
> +}
> +
> +static void
> +spice_vmc_state_webdav_class_init(SpiceVmcStateWebdavClass *klass)
> +{
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    channel_class->parser =
> spice_get_client_channel_parser(SPICE_CHANNEL_WEBDAV, NULL);
> +}
> +
> +static void
> +spice_vmc_state_port_class_init(SpiceVmcStatePortClass *klass)
> +{
> +    RedChannelClass *channel_class = RED_CHANNEL_CLASS(klass);
> +
> +    channel_class->parser =
> spice_get_client_channel_parser(SPICE_CHANNEL_PORT, NULL);
> +}
> +
>  static void spicevmc_connect(RedChannel *channel, RedClient *client,
>      RedsStream *stream, int migration, int num_common_caps,
>      uint32_t *common_caps, int num_caps, uint32_t *caps)
> @@ -564,13 +826,15 @@ static void spicevmc_connect(RedChannel
> *channel, RedClient *client,
>      SpiceVmcState *state;
>      SpiceCharDeviceInstance *sin;
>      SpiceCharDeviceInterface *sif;
> +    uint32_t type, id;
>  
> -    state = SPICE_CONTAINEROF(channel, SpiceVmcState, channel);
> -    sin = state->chardev_sin;
> +    state = SPICE_VMC_STATE(channel);
> +    sin = state->priv->chardev_sin;
> +    g_object_get(channel, "channel-type", &type, "id", &id, NULL);
>  
> -    if (state->rcc) {
> +    if (state->priv->rcc) {
>          spice_printerr("channel client %d:%d (%p) already connected,
> refusing second connection",
> -                       channel->type, channel->id, state->rcc);
> +                       type, id, state->priv->rcc);
>          // TODO: notify client in advance about the in use channel
> using
>          // SPICE_MSG_MAIN_CHANNEL_IN_USE (for example)
>          reds_stream_free(stream);
> @@ -582,21 +846,21 @@ static void spicevmc_connect(RedChannel
> *channel, RedClient *client,
>      if (!rcc) {
>          return;
>      }
> -    state->rcc = rcc;
> +    state->priv->rcc = rcc;
>      red_channel_client_ack_zero_messages_window(rcc);
>  
>      if (strcmp(sin->subtype, "port") == 0) {
>          spicevmc_port_send_init(rcc);
>      }
>  
> -    if (!red_char_device_client_add(state->chardev, client, FALSE,
> 0, ~0, ~0,
> +    if (!red_char_device_client_add(state->priv->chardev, client,
> FALSE, 0, ~0, ~0,
>                                      red_channel_client_is_waiting_fo
> r_migrate_data(rcc))) {
>          spice_warning("failed to add client to spicevmc");
>          red_channel_client_disconnect(rcc);
>          return;
>      }
>  
> -    sif = spice_char_device_get_interface(state->chardev_sin);
> +    sif = spice_char_device_get_interface(state->priv->chardev_sin);
>      if (sif->state) {
>          sif->state(sin, 1);
>      }
> @@ -606,39 +870,9 @@ RedCharDevice *spicevmc_device_connect(RedsState
> *reds,
>                                         SpiceCharDeviceInstance *sin,
>                                         uint8_t channel_type)
>  {
> -    static uint8_t id[256] = { 0, };
> -    SpiceVmcState *state;
> -    ChannelCbs channel_cbs = { NULL, };
> -    ClientCbs client_cbs = { NULL, };
> +    SpiceVmcState *state = spice_vmc_state_new(reds, channel_type,
> sin);
>  
> -    channel_cbs.config_socket =
> spicevmc_red_channel_client_config_socket;
> -    channel_cbs.on_disconnect =
> spicevmc_red_channel_client_on_disconnect;
> -    channel_cbs.send_item = spicevmc_red_channel_send_item;
> -    channel_cbs.alloc_recv_buf =
> spicevmc_red_channel_alloc_msg_rcv_buf;
> -    channel_cbs.release_recv_buf =
> spicevmc_red_channel_release_msg_rcv_buf;
> -    channel_cbs.handle_migrate_flush_mark =
> spicevmc_channel_client_handle_migrate_flush_mark;
> -    channel_cbs.handle_migrate_data =
> spicevmc_channel_client_handle_migrate_data;
> -
> -    state =
> (SpiceVmcState*)red_channel_create_parser(sizeof(SpiceVmcState),
> reds,
> -                                   reds_get_core_interface(reds),
> channel_type, id[channel_type]++,
> -                                   FALSE /* handle_acks */,
> -                                   spice_get_client_channel_parser(c
> hannel_type, NULL),
> -                                   spicevmc_red_channel_client_handl
> e_message_parsed,
> -                                   &channel_cbs,
> -                                   SPICE_MIGRATE_NEED_FLUSH |
> SPICE_MIGRATE_NEED_DATA_TRANSFER);
> -    red_channel_init_outgoing_messages_window(&state->channel);
> -
> -    client_cbs.connect = spicevmc_connect;
> -    red_channel_register_client_cbs(&state->channel, &client_cbs,
> NULL);
> -#ifdef USE_LZ4
> -    red_channel_set_cap(&state->channel,
> SPICE_SPICEVMC_CAP_DATA_COMPRESS_LZ4);
> -#endif
> -
> -    state->chardev = red_char_device_spicevmc_new(sin, reds, state);
> -    state->chardev_sin = sin;
> -
> -    reds_register_channel(reds, &state->channel);
> -    return state->chardev;
> +    return state->priv->chardev;
>  }
>  
>  /* Must be called from RedClient handling thread. */
> @@ -649,16 +883,16 @@ void spicevmc_device_disconnect(RedsState
> *reds, SpiceCharDeviceInstance *sin)
>      /* FIXME */
>      state = (SpiceVmcState
> *)red_char_device_opaque_get((RedCharDevice*)sin->st);
>  
> -    red_char_device_write_buffer_release(state->chardev, &state-
> >recv_from_client_buf);
> -
> +    red_char_device_write_buffer_release(state->priv->chardev,
> +                                         &state->priv-
> >recv_from_client_buf);
>      /* FIXME */
>      red_char_device_destroy((RedCharDevice*)sin->st);
> -    state->chardev = NULL;
> +    state->priv->chardev = NULL;
>      sin->st = NULL;
>  
> -    reds_unregister_channel(reds, &state->channel);
> -    free(state->pipe_item);
> -    red_channel_destroy(&state->channel);
> +    reds_unregister_channel(reds, RED_CHANNEL(state));
> +    free(state->priv->pipe_item);
> +    red_channel_destroy(RED_CHANNEL(state));
>  }
>  
>  SPICE_GNUC_VISIBLE void
> spice_server_port_event(SpiceCharDeviceInstance *sin, uint8_t event)
> @@ -673,16 +907,16 @@ SPICE_GNUC_VISIBLE void
> spice_server_port_event(SpiceCharDeviceInstance *sin, ui
>      /* FIXME */
>      state = (SpiceVmcState
> *)red_char_device_opaque_get((RedCharDevice*)sin->st);
>      if (event == SPICE_PORT_EVENT_OPENED) {
> -        state->port_opened = TRUE;
> +        state->priv->port_opened = TRUE;
>      } else if (event == SPICE_PORT_EVENT_CLOSED) {
> -        state->port_opened = FALSE;
> +        state->priv->port_opened = FALSE;
>      }
>  
> -    if (state->rcc == NULL) {
> +    if (state->priv->rcc == NULL) {
>          return;
>      }
>  
> -    spicevmc_port_send_event(state->rcc, event);
> +    spicevmc_port_send_event(state->priv->rcc, event);
>  }
>  
>  static void
> diff --git a/server/stream.c b/server/stream.c
> index 6533111..4e70222 100644
> --- a/server/stream.c
> +++ b/server/stream.c
> @@ -19,7 +19,7 @@
>  #endif
>  
>  #include "stream.h"
> -#include "display-channel.h"
> +#include "display-channel-private.h"
>  #include "main-channel-client.h"
>  
>  #define FPS_TEST_INTERVAL 1
> @@ -198,7 +198,7 @@ static void update_copy_graduality(DisplayChannel
> *display, Drawable *drawable)
>      SpiceBitmap *bitmap;
>      spice_return_if_fail(drawable->red_drawable->type ==
> QXL_DRAW_COPY);
>  
> -    if (display->priv->stream_video != SPICE_STREAM_VIDEO_FILTER) {
> +    if (display_channel_get_stream_video(display) !=
> SPICE_STREAM_VIDEO_FILTER) {
>          drawable->copy_bitmap_graduality = BITMAP_GRADUAL_INVALID;
>          return;
>      }


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