[Spice-devel] [PATCH 01/10] server: move display_channel_client_create() to dcc_new()

Frediano Ziglio fziglio at redhat.com
Mon Nov 2 02:02:38 PST 2015


> 
> From: Marc-André Lureau <marcandre.lureau at gmail.com>
> 
> Move function from server/red_worker.c to new server/display-channel.c.
> ---
>  server/Makefile.am       |  1 +
>  server/display-channel.c | 38 +++++++++++++++++++++++++++
>  server/display-channel.h | 50 ++++++++++++++++++++++++++++++++---
>  server/red_worker.c      | 68
>  +++---------------------------------------------
>  4 files changed, 89 insertions(+), 68 deletions(-)
>  create mode 100644 server/display-channel.c
> 
> diff --git a/server/Makefile.am b/server/Makefile.am
> index 87288cc..428417b 100644
> --- a/server/Makefile.am
> +++ b/server/Makefile.am
> @@ -105,6 +105,7 @@ libspice_server_la_SOURCES =			\
>  	red_parse_qxl.h				\
>  	red_worker.c				\
>  	red_worker.h				\
> +	display-channel.c			\
>  	display-channel.h			\
>  	cursor-channel.c			\
>  	cursor-channel.h			\
> diff --git a/server/display-channel.c b/server/display-channel.c
> new file mode 100644
> index 0000000..00be665
> --- /dev/null
> +++ b/server/display-channel.c
> @@ -0,0 +1,38 @@
> +/*
> +   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/>.
> +*/
> +#include "display-channel.h"
> +
> +DisplayChannelClient *dcc_new(DisplayChannel *display,
> +                              RedClient *client, RedsStream *stream,
> +                              int mig_target,
> +                              uint32_t *common_caps, int num_common_caps,
> +                              uint32_t *caps, int num_caps)
> +{
> +    DisplayChannelClient *dcc;
> +
> +    dcc = (DisplayChannelClient*)common_channel_new_client(
> +        (CommonChannel *)display, sizeof(DisplayChannelClient),
> +        client, stream, mig_target, TRUE,
> +        common_caps, num_common_caps,
> +        caps, num_caps);
> +    spice_return_val_if_fail(dcc, NULL);
> +
> +    ring_init(&dcc->palette_cache_lru);
> +    dcc->palette_cache_available = CLIENT_PALETTE_CACHE_SIZE;
> +
> +    return dcc;
> +}
> diff --git a/server/display-channel.h b/server/display-channel.h
> index e1ddc11..5d2eee5 100644
> --- a/server/display-channel.h
> +++ b/server/display-channel.h
> @@ -15,14 +15,47 @@
>     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 RED_WORKER_CLIENT_H_
> -# define RED_WORKER_CLIENT_H_
> +#ifndef DISPLAY_CHANNEL_H_
> +# define DISPLAY_CHANNEL_H_
> +
> +#include <setjmp.h>
>  
>  #include "red_worker.h"
> +#include "reds_stream.h"
>  #include "cache-item.h"
>  #include "pixmap-cache.h"
> +#ifdef USE_OPENGL
> +#include "common/ogl_ctx.h"
> +#include "reds_gl_canvas.h"
> +#endif /* USE_OPENGL */
> +#include "reds_sw_canvas.h"
> +#include "glz_encoder_dictionary.h"
> +#include "glz_encoder.h"
> +#include "stat.h"
> +#include "reds.h"
> +#include "mjpeg_encoder.h"
> +#include "red_memslots.h"
> +#include "red_parse_qxl.h"
> +#include "red_record_qxl.h"
> +#include "jpeg_encoder.h"
> +#ifdef USE_LZ4
> +#include "lz4_encoder.h"
> +#endif
> +#include "demarshallers.h"
> +#include "zlib_encoder.h"
> +#include "red_channel.h"
> +#include "red_dispatcher.h"
> +#include "dispatcher.h"
> +#include "main_channel.h"
> +#include "migration_protocol.h"
> +#include "main_dispatcher.h"
> +#include "spice_server_utils.h"
> +#include "spice_bitmap_utils.h"
> +#include "spice_image_cache.h"
>  #include "utils.h"
>  
> +typedef struct DisplayChannel DisplayChannel;
> +
>  typedef struct Drawable Drawable;
>  
>  #define PALETTE_CACHE_HASH_SHIFT 8
> @@ -30,6 +63,8 @@ typedef struct Drawable Drawable;
>  #define PALETTE_CACHE_HASH_MASK (PALETTE_CACHE_HASH_SIZE - 1)
>  #define PALETTE_CACHE_HASH_KEY(id) ((id) & PALETTE_CACHE_HASH_MASK)
>  
> +#define CLIENT_PALETTE_CACHE_SIZE 128
> +
>  /* Each drawable can refer to at most 3 images: src, brush and mask */
>  #define MAX_DRAWABLE_PIXMAP_CACHE_ITEMS 3
>  
> @@ -193,4 +228,13 @@ struct DisplayChannelClient {
>      uint64_t streams_max_bit_rate;
>  };
>  
> -#endif /* RED_WORKER_CLIENT_H_ */
> +DisplayChannelClient*      dcc_new
> (DisplayChannel *display,
> +
> RedClient
> *client,
> +
> RedsStream
> *stream,
> +                                                                      int
> mig_target,
> +
> uint32_t
> *common_caps,
> +                                                                      int
> num_common_caps,
> +
> uint32_t
> *caps,
> +                                                                      int
> num_caps);
> +
> +#endif /* DISPLAY_CHANNEL_H_ */
> diff --git a/server/red_worker.c b/server/red_worker.c
> index 68cb153..89cb25c 100644
> --- a/server/red_worker.c
> +++ b/server/red_worker.c
> @@ -43,7 +43,6 @@
>  #include <poll.h>
>  #include <pthread.h>
>  #include <netinet/tcp.h>
> -#include <setjmp.h>
>  #include <openssl/ssl.h>
>  #include <inttypes.h>
>  #include <glib.h>
> @@ -58,41 +57,11 @@
>  #include "common/ring.h"
>  #include "common/generated_server_marshallers.h"
>  
> -#ifdef USE_OPENGL
> -#include "common/ogl_ctx.h"
> -#include "reds_gl_canvas.h"
> -#endif /* USE_OPENGL */
> +#include "display-channel.h"
>  
>  #include "spice.h"
>  #include "red_worker.h"
> -#include "reds_stream.h"
> -#include "reds_sw_canvas.h"
> -#include "glz_encoder_dictionary.h"
> -#include "glz_encoder.h"
> -#include "stat.h"
> -#include "reds.h"
> -#include "mjpeg_encoder.h"
> -#include "red_memslots.h"
> -#include "red_parse_qxl.h"
> -#include "red_record_qxl.h"
> -#include "jpeg_encoder.h"
> -#ifdef USE_LZ4
> -#include "lz4_encoder.h"
> -#endif
> -#include "demarshallers.h"
> -#include "zlib_encoder.h"
> -#include "red_channel.h"
> -#include "red_dispatcher.h"
> -#include "dispatcher.h"
> -#include "main_channel.h"
> -#include "migration_protocol.h"
>  #include "spice_timer_queue.h"
> -#include "main_dispatcher.h"
> -#include "spice_server_utils.h"
> -#include "spice_bitmap_utils.h"
> -#include "spice_image_cache.h"
> -#include "pixmap-cache.h"
> -#include "display-channel.h"
>  #include "cursor-channel.h"
>  
>  //#define COMPRESS_STAT
> @@ -294,8 +263,6 @@ typedef struct StreamActivateReportItem {
>  #define WIDE_CLIENT_ACK_WINDOW 40
>  #define NARROW_CLIENT_ACK_WINDOW 20
>  
> -#define CLIENT_PALETTE_CACHE_SIZE 128
> -
>  typedef struct ImageItem {
>      PipeItem link;
>      int refs;
> @@ -311,8 +278,6 @@ typedef struct ImageItem {
>      uint8_t data[0];
>  } ImageItem;
>  
> -typedef struct DisplayChannel DisplayChannel;
> -
>  enum {
>      STREAM_FRAME_NONE,
>      STREAM_FRAME_NATIVE,
> @@ -9472,28 +9437,6 @@ CommonChannelClient
> *common_channel_new_client(CommonChannel *common,
>  }
>  
>  
> -DisplayChannelClient *display_channel_client_create(CommonChannel *common,
> -                                                    RedClient *client,
> RedsStream *stream,
> -                                                    int mig_target,
> -                                                    uint32_t *common_caps,
> int num_common_caps,
> -                                                    uint32_t *caps, int
> num_caps)
> -{
> -    DisplayChannelClient *dcc =
> -        (DisplayChannelClient*)common_channel_new_client(
> -            common, sizeof(DisplayChannelClient), client, stream,
> -            mig_target,
> -            TRUE,
> -            common_caps, num_common_caps,
> -            caps, num_caps);
> -
> -    if (!dcc) {
> -        return NULL;
> -    }
> -    ring_init(&dcc->palette_cache_lru);
> -    dcc->palette_cache_available = CLIENT_PALETTE_CACHE_SIZE;
> -    return dcc;
> -}
> -
>  RedChannel *red_worker_new_channel(RedWorker *worker, int size,
>                                     uint32_t channel_type, int
>                                     migration_flags,
>                                     ChannelCbs *channel_cbs,
> @@ -9776,13 +9719,8 @@ static void handle_new_display_channel(RedWorker
> *worker, RedClient *client, Red
>      }
>      display_channel = worker->display_channel;
>      spice_info("add display channel client");
> -    dcc = display_channel_client_create(&display_channel->common, client,
> stream,
> -                                        migrate,
> -                                        common_caps, num_common_caps,
> -                                        caps, num_caps);
> -    if (!dcc) {
> -        return;
> -    }

The removal of this test does not make sense looking at same test in
display-channel.c. If can be NULL inside dcc_new why not checking here?
Or are we just going to accept the core in next lines?

I would add again these lines and ack it.

> +    dcc = dcc_new(display_channel, client, stream, migrate,
> +                  common_caps, num_common_caps, caps, num_caps);
>      spice_info("New display (client %p) dcc %p stream %p", client, dcc,
>      stream);
>      stream_buf_size = 32*1024;
>      dcc->send_data.stream_outbuf = spice_malloc(stream_buf_size);

Frediano


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