[Spice-devel] [PATCH 07/10] server: make cursor channel private

Fabiano FidĂȘncio fidencio at redhat.com
Mon Nov 2 09:00:15 PST 2015


On Mon, Nov 2, 2015 at 10:56 AM, Frediano Ziglio <fziglio at redhat.com> wrote:
> From: Marc-André Lureau <marcandre.lureau at gmail.com>
>
> ---
>  server/cursor-channel.c | 24 +++++++++++-
>  server/cursor-channel.h | 18 ++-------
>  server/red_channel.c    | 12 ++++++
>  server/red_channel.h    |  6 +++
>  server/red_worker.c     | 98 ++++++++++++++++++++++---------------------------
>  server/red_worker.h     |  5 +++
>  6 files changed, 92 insertions(+), 71 deletions(-)
>
> diff --git a/server/cursor-channel.c b/server/cursor-channel.c
> index 6a1fcea..3ae7756 100644
> --- a/server/cursor-channel.c
> +++ b/server/cursor-channel.c
> @@ -19,6 +19,21 @@
>  #include "common/generated_server_marshallers.h"
>  #include "cursor-channel.h"
>
> +struct CursorChannel {
> +    CommonChannel common; // Must be the first thing
> +
> +    CursorItem *item;
> +    int cursor_visible;
> +    SpicePoint16 cursor_position;
> +    uint16_t cursor_trail_length;
> +    uint16_t cursor_trail_frequency;
> +    uint32_t mouse_mode;
> +
> +#ifdef RED_STATISTICS
> +    StatNodeRef stat;
> +#endif
> +};
> +
>  #define RCC_TO_CCC(rcc) SPICE_CONTAINEROF((rcc), CursorChannelClient, common.base)
>
>  #define CLIENT_CURSOR_CACHE
> @@ -372,7 +387,7 @@ CursorChannel* cursor_channel_new(RedWorker *worker)
>      };
>
>      spice_info("create cursor channel");
> -    channel = red_worker_new_channel(worker, sizeof(CursorChannel),
> +    channel = red_worker_new_channel(worker, sizeof(CursorChannel), "cursor_channel",
>                                       SPICE_CHANNEL_CURSOR, 0,
>                                       &cbs, red_channel_client_handle_message);
>
> @@ -480,3 +495,10 @@ void cursor_channel_reset(CursorChannel *cursor)
>          }
>      }
>  }
> +
> +void cursor_channel_set_mouse_mode(CursorChannel *cursor, uint32_t mode)
> +{
> +    spice_return_if_fail(cursor);
> +
> +    cursor->mouse_mode = mode;
> +}
> diff --git a/server/cursor-channel.h b/server/cursor-channel.h
> index 1639cf9..d5e5b13 100644
> --- a/server/cursor-channel.h
> +++ b/server/cursor-channel.h
> @@ -38,6 +38,8 @@ enum {
>      PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE,
>  };
>
> +typedef struct CursorChannel CursorChannel;
> +
>  typedef struct CursorItem {
>      QXLInstance *qxl;
>      uint32_t group_id;
> @@ -67,21 +69,6 @@ typedef struct CursorChannelClient {
>      uint32_t cursor_cache_items;
>  } CursorChannelClient;
>
> -typedef struct CursorChannel {
> -    CommonChannel common; // Must be the first thing
> -
> -    CursorItem *item;
> -    int cursor_visible;
> -    SpicePoint16 cursor_position;
> -    uint16_t cursor_trail_length;
> -    uint16_t cursor_trail_frequency;
> -    uint32_t mouse_mode;
> -
> -#ifdef RED_STATISTICS
> -    StatNodeRef stat;
> -#endif
> -} CursorChannel;
> -
>  G_STATIC_ASSERT(sizeof(CursorItem) <= QXL_CURSUR_DEVICE_DATA_SIZE);
>
>  CursorChannel*       cursor_channel_new         (RedWorker *worker);
> @@ -89,6 +76,7 @@ void                 cursor_channel_disconnect  (CursorChannel *cursor_channel);
>  void                 cursor_channel_reset       (CursorChannel *cursor);
>  void                 cursor_channel_process_cmd (CursorChannel *cursor, RedCursorCmd *cursor_cmd,
>                                                   uint32_t group_id);
> +void                 cursor_channel_set_mouse_mode(CursorChannel *cursor, uint32_t mode);
>
>  CursorChannelClient* cursor_channel_client_new(CursorChannel *cursor,
>                                                 RedClient *client, RedsStream *stream,
> diff --git a/server/red_channel.c b/server/red_channel.c
> index 34aa9dc..7330ae2 100644
> --- a/server/red_channel.c
> +++ b/server/red_channel.c
> @@ -1151,9 +1151,21 @@ RedChannel *red_channel_create_parser(int size,
>      }
>      channel->incoming_cb.handle_parsed = (handle_parsed_proc)handle_parsed;
>      channel->incoming_cb.parser = parser;
> +
>      return channel;
>  }
>
> +void red_channel_set_stat_node(RedChannel *channel, StatNodeRef stat)
> +{
> +    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(stat, "out_bytes", TRUE);
> +#endif
> +}
> +
>  void red_channel_register_client_cbs(RedChannel *channel, ClientCbs *client_cbs)
>  {
>      spice_assert(client_cbs->connect || channel->type == SPICE_CHANNEL_MAIN);
> diff --git a/server/red_channel.h b/server/red_channel.h
> index 1f1538e..201a4d2 100644
> --- a/server/red_channel.h
> +++ b/server/red_channel.h
> @@ -32,6 +32,7 @@
>  #include "red_common.h"
>  #include "demarshallers.h"
>  #include "reds_stream.h"
> +#include "stat.h"
>
>  #define MAX_SEND_BUFS 1000
>  #define CLIENT_ACK_WINDOW 20
> @@ -127,6 +128,7 @@ typedef struct OutgoingHandler {
>
>  /* Red Channel interface */
>
> +typedef struct RedsStream RedsStream;
>  typedef struct RedChannel RedChannel;
>  typedef struct RedChannelClient RedChannelClient;
>  typedef struct RedClient RedClient;
> @@ -335,10 +337,13 @@ struct RedChannel {
>      // TODO: when different channel_clients are in different threads from Channel -> need to protect!
>      pthread_t thread_id;
>  #ifdef RED_STATISTICS
> +    StatNodeRef stat;
>      uint64_t *out_bytes_counter;
>  #endif
>  };
>
> +#define RED_CHANNEL(Channel) ((RedChannel *)(Channel))
> +
>  /*
>   * When an error occurs over a channel, we treat it as a warning
>   * for spice-server and shutdown the channel.
> @@ -370,6 +375,7 @@ RedChannel *red_channel_create_parser(int size,
>                                 channel_handle_parsed_proc handle_parsed,
>                                 ChannelCbs *channel_cbs,
>                                 uint32_t migration_flags);
> +void red_channel_set_stat_node(RedChannel *channel, StatNodeRef stat);
>
>  void red_channel_register_client_cbs(RedChannel *channel, ClientCbs *client_cbs);
>  // caps are freed when the channel is destroyed
> diff --git a/server/red_worker.c b/server/red_worker.c
> index 868de94..a99da27 100644
> --- a/server/red_worker.c
> +++ b/server/red_worker.c
> @@ -390,7 +390,6 @@ struct DisplayChannel {
>      RedCompressBuf *free_compress_bufs;
>
>  #ifdef RED_STATISTICS
> -    StatNodeRef stat;
>      uint64_t *cache_hits_counter;
>      uint64_t *add_to_cache_counter;
>      uint64_t *non_cache_counter;
> @@ -1034,8 +1033,8 @@ static int display_is_connected(RedWorker *worker)
>
>  static int cursor_is_connected(RedWorker *worker)
>  {
> -    return (worker->cursor_channel && red_channel_is_connected(
> -        &worker->cursor_channel->common.base));
> +    return worker->cursor_channel &&
> +        red_channel_is_connected(RED_CHANNEL(worker->cursor_channel));
>  }
>
>  static void put_drawable_pipe_item(DrawablePipeItem *dpi)
> @@ -1294,7 +1293,7 @@ static inline void red_destroy_surface_item(RedWorker *worker,
>          return;
>      }
>      dcc->surface_client_created[surface_id] = FALSE;
> -    channel = &worker->display_channel->common.base;
> +    channel = RED_CHANNEL(worker->display_channel);
>      destroy = get_surface_destroy_item(channel, surface_id);
>      red_channel_client_pipe_add(&dcc->common.base, &destroy->pipe_item);
>  }
> @@ -2991,7 +2990,7 @@ static inline int red_current_add_equal(RedWorker *worker, DrawItem *item, TreeI
>
>              /* sending the drawable to clients that already received
>               * (or will receive) other_drawable */
> -            worker_ring_item = ring_get_head(&worker->display_channel->common.base.clients);
> +            worker_ring_item = ring_get_head(&RED_CHANNEL(worker->display_channel)->clients);
>              dpi_ring_item = ring_get_head(&other_drawable->pipes);
>              /* dpi contains a sublist of dcc's, ordered the same */
>              while (worker_ring_item) {
> @@ -3000,7 +2999,7 @@ static inline int red_current_add_equal(RedWorker *worker, DrawItem *item, TreeI
>                  dpi = SPICE_CONTAINEROF(dpi_ring_item, DrawablePipeItem, base);
>                  while (worker_ring_item && (!dpi || dcc != dpi->dcc)) {
>                      red_pipe_add_drawable(dcc, drawable);
> -                    worker_ring_item = ring_next(&worker->display_channel->common.base.clients,
> +                    worker_ring_item = ring_next(&RED_CHANNEL(worker->display_channel)->clients,
>                                                   worker_ring_item);
>                      dcc = SPICE_CONTAINEROF(worker_ring_item, DisplayChannelClient,
>                                              common.base.channel_link);
> @@ -3010,7 +3009,7 @@ static inline int red_current_add_equal(RedWorker *worker, DrawItem *item, TreeI
>                      dpi_ring_item = ring_next(&other_drawable->pipes, dpi_ring_item);
>                  }
>                  if (worker_ring_item) {
> -                    worker_ring_item = ring_next(&worker->display_channel->common.base.clients,
> +                    worker_ring_item = ring_next(&RED_CHANNEL(worker->display_channel)->clients,
>                                                   worker_ring_item);
>                  }
>              }
> @@ -4144,7 +4143,7 @@ static int red_process_cursor(RedWorker *worker, uint32_t max_pipe_size, int *ri
>
>      *ring_is_empty = FALSE;
>      while (!cursor_is_connected(worker) ||
> -           red_channel_min_pipe_size(&worker->cursor_channel->common.base) <= max_pipe_size) {
> +           red_channel_min_pipe_size(RED_CHANNEL(worker->cursor_channel)) <= max_pipe_size) {
>          if (!worker->qxl->st->qif->get_cursor_command(worker->qxl, &ext_cmd)) {
>              *ring_is_empty = TRUE;
>              if (worker->cursor_poll_tries < CMD_RING_POLL_RETRIES) {
> @@ -4206,7 +4205,7 @@ static int red_process_commands(RedWorker *worker, uint32_t max_pipe_size, int *
>      *ring_is_empty = FALSE;
>      while (!display_is_connected(worker) ||
>             // TODO: change to average pipe size?
> -           red_channel_min_pipe_size(&worker->display_channel->common.base) <= max_pipe_size) {
> +           red_channel_min_pipe_size(RED_CHANNEL(worker->display_channel)) <= max_pipe_size) {
>          if (!worker->qxl->st->qif->get_command(worker->qxl, &ext_cmd)) {
>              *ring_is_empty = TRUE;;
>              if (worker->display_poll_tries < CMD_RING_POLL_RETRIES) {
> @@ -4351,7 +4350,7 @@ static ImageItem *red_add_surface_area_image(DisplayChannelClient *dcc, int surf
>  {
>      DisplayChannel *display_channel = DCC_TO_DC(dcc);
>      RedWorker *worker = display_channel->common.worker;
> -    RedChannel *channel = &display_channel->common.base;
> +    RedChannel *channel = RED_CHANNEL(display_channel);
>      RedSurface *surface = &worker->surfaces[surface_id];
>      SpiceCanvas *canvas = surface->context.canvas;
>      ImageItem *item;
> @@ -4530,7 +4529,7 @@ static void red_display_reset_compress_buf(DisplayChannelClient *dcc)
>
>  static void red_display_destroy_compress_bufs(DisplayChannel *display_channel)
>  {
> -    spice_assert(!red_channel_is_connected(&display_channel->common.base));
> +    spice_assert(!red_channel_is_connected(RED_CHANNEL(display_channel)));
>      while (display_channel->free_compress_bufs) {
>          RedCompressBuf *buf = display_channel->free_compress_bufs;
>          display_channel->free_compress_bufs = buf->next;
> @@ -4719,7 +4718,7 @@ static void red_display_clear_glz_drawables(DisplayChannel *display_channel)
>      if (!display_channel) {
>          return;
>      }
> -    DCC_FOREACH_SAFE(link, next, dcc, &display_channel->common.base) {
> +    DCC_FOREACH_SAFE(link, next, dcc, RED_CHANNEL(display_channel)) {
>          red_display_client_clear_glz_drawables(dcc);
>      }
>  }
> @@ -8359,10 +8358,10 @@ static void display_channel_send_item(RedChannelClient *rcc, PipeItem *pipe_item
>  static inline void red_push(RedWorker *worker)
>  {
>      if (worker->cursor_channel) {
> -        red_channel_push(&worker->cursor_channel->common.base);
> +        red_channel_push(RED_CHANNEL(worker->cursor_channel));
>      }
>      if (worker->display_channel) {
> -        red_channel_push(&worker->display_channel->common.base);
> +        red_channel_push(RED_CHANNEL(worker->display_channel));
>      }
>  }
>
> @@ -8728,7 +8727,7 @@ static inline void red_create_surface(RedWorker *worker, uint32_t surface_id, ui
>
>  static inline void flush_display_commands(RedWorker *worker)
>  {
> -    RedChannel *display_red_channel = &worker->display_channel->common.base;
> +    RedChannel *display_red_channel = RED_CHANNEL(worker->display_channel);
>
>      for (;;) {
>          uint64_t end_time;
> @@ -8740,7 +8739,7 @@ static inline void flush_display_commands(RedWorker *worker)
>          }
>
>          while (red_process_commands(worker, MAX_PIPE_SIZE, &ring_is_empty)) {
> -            red_channel_push(&worker->display_channel->common.base);
> +            red_channel_push(RED_CHANNEL(worker->display_channel));
>          }
>
>          if (ring_is_empty) {
> @@ -8749,7 +8748,7 @@ static inline void flush_display_commands(RedWorker *worker)
>          end_time = red_get_monotonic_time() + DISPLAY_CLIENT_TIMEOUT;
>          int sleep_count = 0;
>          for (;;) {
> -            red_channel_push(&worker->display_channel->common.base);
> +            red_channel_push(RED_CHANNEL(worker->display_channel));
>              if (!display_is_connected(worker) ||
>                  red_channel_max_pipe_size(display_red_channel) <= MAX_PIPE_SIZE) {
>                  break;
> @@ -8772,7 +8771,7 @@ static inline void flush_display_commands(RedWorker *worker)
>
>  static inline void flush_cursor_commands(RedWorker *worker)
>  {
> -    RedChannel *cursor_red_channel = &worker->cursor_channel->common.base;
> +    RedChannel *cursor_red_channel = RED_CHANNEL(worker->cursor_channel);
>
>      for (;;) {
>          uint64_t end_time;
> @@ -8784,7 +8783,7 @@ static inline void flush_cursor_commands(RedWorker *worker)
>          }
>
>          while (red_process_cursor(worker, MAX_PIPE_SIZE, &ring_is_empty)) {
> -            red_channel_push(&worker->cursor_channel->common.base);
> +            red_channel_push(RED_CHANNEL(worker->cursor_channel));
>          }
>
>          if (ring_is_empty) {
> @@ -8793,7 +8792,7 @@ static inline void flush_cursor_commands(RedWorker *worker)
>          end_time = red_get_monotonic_time() + DISPLAY_CLIENT_TIMEOUT;
>          int sleep_count = 0;
>          for (;;) {
> -            red_channel_push(&worker->cursor_channel->common.base);
> +            red_channel_push(RED_CHANNEL(worker->cursor_channel));
>              if (!cursor_is_connected(worker)
>                  || red_channel_min_pipe_size(cursor_red_channel) <= MAX_PIPE_SIZE) {
>                  break;
> @@ -9062,7 +9061,7 @@ static int display_channel_handle_migrate_glz_dictionary(DisplayChannelClient *d
>  static int display_channel_handle_migrate_mark(RedChannelClient *rcc)
>  {
>      DisplayChannel *display_channel = SPICE_CONTAINEROF(rcc->channel, DisplayChannel, common.base);
> -    RedChannel *channel = &display_channel->common.base;
> +    RedChannel *channel = RED_CHANNEL(display_channel);
>
>      red_channel_pipes_add_type(channel, PIPE_ITEM_TYPE_MIGRATE_DATA);
>      return TRUE;
> @@ -9446,6 +9445,7 @@ CommonChannelClient *common_channel_new_client(CommonChannel *common,
>
>
>  RedChannel *red_worker_new_channel(RedWorker *worker, int size,
> +                                   const char *name,
>                                     uint32_t channel_type, int migration_flags,
>                                     ChannelCbs *channel_cbs,
>                                     channel_handle_parsed_proc handle_parsed)
> @@ -9470,16 +9470,12 @@ RedChannel *red_worker_new_channel(RedWorker *worker, int size,
>                                          handle_parsed,
>                                          channel_cbs,
>                                          migration_flags);
> +    spice_return_val_if_fail(channel, NULL);
> +    red_channel_set_stat_node(channel, stat_add_node(worker->stat, name, TRUE));
> +
>      common = (CommonChannel *)channel;
> -    if (!channel) {
> -        goto error;
> -    }
>      common->worker = worker;
>      return channel;
> -
> -error:
> -    free(channel);
> -    return NULL;
>  }
>
>  static void display_channel_hold_pipe_item(RedChannelClient *rcc, PipeItem *item)
> @@ -9633,7 +9629,7 @@ static void display_channel_create(RedWorker *worker, int migrate)
>
>      spice_info("create display channel");
>      if (!(worker->display_channel = (DisplayChannel *)red_worker_new_channel(
> -            worker, sizeof(*display_channel),
> +            worker, sizeof(*display_channel), "display_channel",
>              SPICE_CHANNEL_DISPLAY,
>              SPICE_MIGRATE_NEED_FLUSH | SPICE_MIGRATE_NEED_DATA_TRANSFER,
>              &cbs, display_channel_handle_message))) {
> @@ -9642,14 +9638,12 @@ static void display_channel_create(RedWorker *worker, int migrate)
>      }
>      display_channel = worker->display_channel;
>  #ifdef RED_STATISTICS
> -    display_channel->stat = stat_add_node(worker->stat, "display_channel", TRUE);
> -    display_channel->common.base.out_bytes_counter = stat_add_counter(display_channel->stat,
> -                                                               "out_bytes", TRUE);
> -    display_channel->cache_hits_counter = stat_add_counter(display_channel->stat,
> +    RedChannel *channel = RED_CHANNEL(display_channel);
> +    display_channel->cache_hits_counter = stat_add_counter(channel->stat,
>                                                             "cache_hits", TRUE);
> -    display_channel->add_to_cache_counter = stat_add_counter(display_channel->stat,
> +    display_channel->add_to_cache_counter = stat_add_counter(channel->stat,
>                                                               "add_to_cache", TRUE);
> -    display_channel->non_cache_counter = stat_add_counter(display_channel->stat,
> +    display_channel->non_cache_counter = stat_add_counter(channel->stat,
>                                                            "non_cache", TRUE);
>  #endif
>      stat_compress_init(&display_channel->lz_stat, lz_stat_name);
> @@ -9692,14 +9686,14 @@ static void guest_set_client_capabilities(RedWorker *worker)
>          return;
>      }
>      if ((worker->display_channel == NULL) ||
> -        (worker->display_channel->common.base.clients_num == 0)) {
> +        (RED_CHANNEL(worker->display_channel)->clients_num == 0)) {
>          worker->qxl->st->qif->set_client_capabilities(worker->qxl, FALSE, caps);
>      } else {
>          // Take least common denominator
>          for (i = 0 ; i < sizeof(caps_available) / sizeof(caps_available[0]); ++i) {
>              SET_CAP(caps, caps_available[i]);
>          }
> -        DCC_FOREACH_SAFE(link, next, dcc, &worker->display_channel->common.base) {
> +        DCC_FOREACH_SAFE(link, next, dcc, RED_CHANNEL(worker->display_channel)) {
>              rcc = (RedChannelClient *)dcc;
>              for (i = 0 ; i < sizeof(caps_available) / sizeof(caps_available[0]); ++i) {
>                  if (!red_channel_client_test_remote_cap(rcc, caps_available[i]))
> @@ -9783,17 +9777,13 @@ static void red_connect_cursor(RedWorker *worker, RedClient *client, RedsStream
>                                      common_caps, num_common_caps,
>                                      caps, num_caps);
>      spice_return_if_fail(ccc != NULL);
> -#ifdef RED_STATISTICS
> -    channel->stat = stat_add_node(worker->stat, "cursor_channel", TRUE);
> -    channel->common.base.out_bytes_counter = stat_add_counter(channel->stat, "out_bytes", TRUE);
> -#endif
>
>      RedChannelClient *rcc = &ccc->common.base;
>      red_channel_client_ack_zero_messages_window(rcc);
>      red_channel_client_push_set_ack(rcc);
>      // TODO: why do we check for context.canvas? defer this to after display cc is connected
>      // and test it's canvas? this is just a test to see if there is an active renderer?
> -    if (worker->surfaces[0].context.canvas && !channel->common.during_target_migrate) {
> +    if (worker->surfaces[0].context.canvas && !COMMON_CHANNEL(channel)->during_target_migrate) {
>          red_channel_client_pipe_add_type(rcc, PIPE_ITEM_TYPE_CURSOR_INIT);
>      }
>  }
> @@ -9971,9 +9961,9 @@ static inline void dev_destroy_surfaces(RedWorker *worker)
>      spice_assert(ring_is_empty(&worker->streams));
>
>      if (display_is_connected(worker)) {
> -        red_channel_pipes_add_type(&worker->display_channel->common.base,
> +        red_channel_pipes_add_type(RED_CHANNEL(worker->display_channel),
>                                     PIPE_ITEM_TYPE_INVAL_PALETTE_CACHE);
> -        red_pipes_add_verb(&worker->display_channel->common.base,
> +        red_pipes_add_verb(RED_CHANNEL(worker->display_channel),
>                             SPICE_MSG_DISPLAY_STREAM_DESTROY_ALL);
>      }
>
> @@ -10138,8 +10128,8 @@ static void dev_create_primary_surface(RedWorker *worker, uint32_t surface_id,
>      }
>
>      if (cursor_is_connected(worker)
> -        && !worker->cursor_channel->common.during_target_migrate) {
> -        red_channel_pipes_add_type(&worker->cursor_channel->common.base,
> +        && !COMMON_CHANNEL(worker->cursor_channel)->during_target_migrate) {
> +        red_channel_pipes_add_type(RED_CHANNEL(worker->cursor_channel),
>                                     PIPE_ITEM_TYPE_CURSOR_INIT);
>      }
>  }
> @@ -10236,14 +10226,14 @@ void handle_dev_stop(void *opaque, void *payload)
>       * purge the pipe, send destroy_all_surfaces
>       * to the client (there is no such message right now), and start
>       * from scratch on the destination side */
> -    if (!red_channel_wait_all_sent(&worker->display_channel->common.base,
> +    if (!red_channel_wait_all_sent(RED_CHANNEL(worker->display_channel),
>                                     DISPLAY_CLIENT_TIMEOUT)) {
> -        red_channel_apply_clients(&worker->display_channel->common.base,
> +        red_channel_apply_clients(RED_CHANNEL(worker->display_channel),
>                                   red_channel_client_disconnect_if_pending_send);
>      }
> -    if (!red_channel_wait_all_sent(&worker->cursor_channel->common.base,
> +    if (!red_channel_wait_all_sent(RED_CHANNEL(worker->cursor_channel),
>                                     DISPLAY_CLIENT_TIMEOUT)) {
> -        red_channel_apply_clients(&worker->cursor_channel->common.base,
> +        red_channel_apply_clients(RED_CHANNEL(worker->cursor_channel),
>                                   red_channel_client_disconnect_if_pending_send);
>      }
>  }
> @@ -10285,7 +10275,7 @@ void handle_dev_start(void *opaque, void *payload)
>
>      spice_assert(!worker->running);
>      if (worker->cursor_channel) {
> -        worker->cursor_channel->common.during_target_migrate = FALSE;
> +        COMMON_CHANNEL(worker->cursor_channel)->during_target_migrate = FALSE;
>      }
>      if (worker->display_channel) {
>          worker->display_channel->common.during_target_migrate = FALSE;
> @@ -10492,7 +10482,7 @@ void handle_dev_cursor_channel_create(void *opaque, void *payload)
>          spice_warning("cursor channel already created");
>      }
>
> -    red_channel = &worker->cursor_channel->common.base;
> +    red_channel = RED_CHANNEL(worker->cursor_channel);
>      send_data(worker->channel, &red_channel, sizeof(RedChannel *));
>  }
>
> @@ -10609,9 +10599,7 @@ void handle_dev_set_mouse_mode(void *opaque, void *payload)
>      RedWorker *worker = opaque;
>
>      spice_info("mouse mode %u", msg->mode);
> -    spice_return_if_fail(worker->cursor_channel);
> -
> -    worker->cursor_channel->mouse_mode = msg->mode;
> +    cursor_channel_set_mouse_mode(worker->cursor_channel, msg->mode);
>  }
>
>  void handle_dev_add_memslot_async(void *opaque, void *payload)
> diff --git a/server/red_worker.h b/server/red_worker.h
> index df52abd..0a3d7c6 100644
> --- a/server/red_worker.h
> +++ b/server/red_worker.h
> @@ -27,6 +27,7 @@ typedef struct RedWorker RedWorker;
>
>  typedef struct CommonChannelClient {
>      RedChannelClient base;
> +
>      uint32_t id;
>      struct RedWorker *worker;
>      int is_low_bandwidth;
> @@ -37,6 +38,7 @@ typedef struct CommonChannelClient {
>  #define CHANNEL_RECEIVE_BUF_SIZE 1024
>  typedef struct CommonChannel {
>      RedChannel base; // Must be the first thing
> +
>      struct RedWorker *worker;
>      uint8_t recv_buf[CHANNEL_RECEIVE_BUF_SIZE];
>      uint32_t id_alloc; // bitfield. TODO - use this instead of shift scheme.
> @@ -47,6 +49,8 @@ typedef struct CommonChannel {
>                                    of the primary surface) */
>  } CommonChannel;
>
> +#define COMMON_CHANNEL(Channel) ((CommonChannel*)(Channel))
> +
>  enum {
>      PIPE_ITEM_TYPE_VERB = PIPE_ITEM_TYPE_CHANNEL_BASE,
>      PIPE_ITEM_TYPE_INVAL_ONE,
> @@ -103,6 +107,7 @@ bool       red_worker_run(RedWorker *worker);
>  QXLInstance* red_worker_get_qxl(RedWorker *worker);
>
>  RedChannel *red_worker_new_channel(RedWorker *worker, int size,
> +                                   const char *name,
>                                     uint32_t channel_type, int migration_flags,
>                                     ChannelCbs *channel_cbs,
>                                     channel_handle_parsed_proc handle_parsed);
> --
> 2.4.3
>
> _______________________________________________
> Spice-devel mailing list
> Spice-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/spice-devel

ACK!


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