Re: [PATCH 16/18] Remove use of global 'reds' from sound.c

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On Mon, 2016-02-15 at 16:01 +0000, Frediano Ziglio wrote:
> From: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
> 
> Pass RedsState variable to snd_attach_(playback|record) and get a
> reference to this variable when needed by various functions.
> ---
>  server/reds.c  |  4 ++--
>  server/sound.c | 20 ++++++++++++++++++--
>  server/sound.h |  4 ++--
>  3 files changed, 22 insertions(+), 6 deletions(-)
> 
> diff --git a/server/reds.c b/server/reds.c
> index dd6ffd9..711744b 100644
> --- a/server/reds.c
> +++ b/server/reds.c
> @@ -3243,7 +3243,7 @@ SPICE_GNUC_VISIBLE int
> spice_server_add_interface(SpiceServer *s,
>              spice_warning("unsupported playback interface");
>              return -1;
>          }
> -        snd_attach_playback(SPICE_CONTAINEROF(sin,
> SpicePlaybackInstance, base));
> +        snd_attach_playback(reds, SPICE_CONTAINEROF(sin,
> SpicePlaybackInstance, base));
>  
>      } else if (strcmp(interface->type, SPICE_INTERFACE_RECORD) == 0)
> {
>          spice_info("SPICE_INTERFACE_RECORD");
> @@ -3252,7 +3252,7 @@ SPICE_GNUC_VISIBLE int
> spice_server_add_interface(SpiceServer *s,
>              spice_warning("unsupported record interface");
>              return -1;
>          }
> -        snd_attach_record(SPICE_CONTAINEROF(sin,
> SpiceRecordInstance, base));
> +        snd_attach_record(reds, SPICE_CONTAINEROF(sin,
> SpiceRecordInstance, base));
>  
>      } else if (strcmp(interface->type, SPICE_INTERFACE_CHAR_DEVICE)
> == 0) {
>          if (interface->major_version !=
> SPICE_INTERFACE_CHAR_DEVICE_MAJOR ||
> diff --git a/server/sound.c b/server/sound.c
> index fd0b416..4e61986 100644
> --- a/server/sound.c
> +++ b/server/sound.c
> @@ -199,14 +199,22 @@ static SndChannel *snd_channel_put(SndChannel
> *channel)
>      return channel;
>  }
>  
> +static RedsState* snd_channel_get_server(SndChannel *channel)
> +{
> +    g_return_val_if_fail(channel != NULL, NULL);
> +    return red_channel_get_server(channel->worker->base_channel);
> +}
> +
>  static void snd_disconnect_channel(SndChannel *channel)
>  {
>      SndWorker *worker;
> +    RedsState *reds;
>  
>      if (!channel || !channel->stream) {
>          spice_debug("not connected");
>          return;
>      }
> +    reds = snd_channel_get_server(channel);
>      spice_debug("SndChannel=%p rcc=%p type=%d",
>                   channel, channel->channel_client, channel-
> >channel_client->channel->type);
>      worker = channel->worker;
> @@ -247,6 +255,7 @@ static void snd_record_on_message_done(SndChannel
> *channel)
>  
>  static int snd_send_data(SndChannel *channel)
>  {
> +    RedsState *reds = snd_channel_get_server(channel);
>      uint32_t n;
>  
>      if (!channel) {
> @@ -900,6 +909,7 @@ static SndChannel *__new_channel(SndWorker
> *worker, int size, uint32_t channel_i
>  #endif
>      int tos;
>      MainChannelClient *mcc = red_client_get_main(client);
> +    RedsState *reds = red_channel_get_server(worker->base_channel);
>  
>      spice_assert(stream);
>      if ((flags = fcntl(stream->socket, F_GETFL)) == -1) {
> @@ -1037,6 +1047,7 @@ SPICE_GNUC_VISIBLE void
> spice_server_playback_start(SpicePlaybackInstance *sin)
>  {
>      SndChannel *channel = sin->st->worker.connection;
>      PlaybackChannel *playback_channel = SPICE_CONTAINEROF(channel,
> PlaybackChannel, base);
> +    RedsState *reds = snd_channel_get_server(channel);
>  
>      sin->st->worker.active = 1;
>      if (!channel)
> @@ -1056,6 +1067,7 @@ SPICE_GNUC_VISIBLE void
> spice_server_playback_stop(SpicePlaybackInstance *sin)
>  {
>      SndChannel *channel = sin->st->worker.connection;
>      PlaybackChannel *playback_channel = SPICE_CONTAINEROF(channel,
> PlaybackChannel, base);
> +    RedsState *reds = snd_channel_get_server(channel);
>  
>      sin->st->worker.active = 0;
>      if (!channel)
> @@ -1161,6 +1173,7 @@ static int snd_desired_audio_mode(int
> frequency, int client_can_celt, int client
>  
>  static void on_new_playback_channel(SndWorker *worker)
>  {
> +    RedsState *reds = red_channel_get_server(worker->base_channel);
>      PlaybackChannel *playback_channel =
>          SPICE_CONTAINEROF(worker->connection, PlaybackChannel,
> base);
>      SpicePlaybackState *st = SPICE_CONTAINEROF(worker,
> SpicePlaybackState, worker);
> @@ -1181,6 +1194,7 @@ static void on_new_playback_channel(SndWorker
> *worker)
>  
>  static void snd_playback_cleanup(SndChannel *channel)
>  {
> +    RedsState *reds = snd_channel_get_server(channel);
>      PlaybackChannel *playback_channel = SPICE_CONTAINEROF(channel,
> PlaybackChannel, base);
>  
>      if (playback_channel->base.active) {
> @@ -1507,7 +1521,7 @@ static void remove_worker(SndWorker *worker)
>      spice_printerr("not found");
>  }
>  
> -void snd_attach_playback(SpicePlaybackInstance *sin)
> +void snd_attach_playback(RedsState *reds, SpicePlaybackInstance
> *sin)
>  {
>      SndWorker *playback_worker;
>      RedChannel *channel;
> @@ -1537,7 +1551,7 @@ void snd_attach_playback(SpicePlaybackInstance
> *sin)
>      reds_register_channel(reds, channel);
>  }
>  
> -void snd_attach_record(SpiceRecordInstance *sin)
> +void snd_attach_record(RedsState *reds, SpiceRecordInstance *sin)
>  {
>      SndWorker *record_worker;
>      RedChannel *channel;
> @@ -1570,6 +1584,8 @@ static void snd_detach_common(SndWorker
> *worker)
>      if (!worker) {
>          return;
>      }
> +    RedsState *reds = red_channel_get_server(worker->base_channel);
> +
>      remove_worker(worker);
>      snd_disconnect_channel(worker->connection);
>      reds_unregister_channel(reds, worker->base_channel);
> diff --git a/server/sound.h b/server/sound.h
> index 97f8410..25e59f0 100644
> --- a/server/sound.h
> +++ b/server/sound.h
> @@ -20,10 +20,10 @@
>  
>  #include "spice.h"
>  
> -void snd_attach_playback(SpicePlaybackInstance *sin);
> +void snd_attach_playback(RedsState *reds, SpicePlaybackInstance
> *sin);
>  void snd_detach_playback(SpicePlaybackInstance *sin);
>  
> -void snd_attach_record(SpiceRecordInstance *sin);
> +void snd_attach_record(RedsState *reds, SpiceRecordInstance *sin);
>  void snd_detach_record(SpiceRecordInstance *sin);
>  
>  void snd_set_playback_compression(int on);

Acked-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
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