[Spice-devel] [PATCH v4 06/17] sound: Implements config_socket RedChannel callback

Jonathon Jongsma jjongsma at redhat.com
Thu Dec 1 21:43:01 UTC 2016


On Thu, 2016-12-01 at 11:24 +0000, Frediano Ziglio wrote:
> This code is the same inside __new_channel but will set the
> RedsStream from RedChannel.

Shouldn't this code be removed from __new_channel() then?



> 
> Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
> ---
>  server/sound.c | 46 +++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 45 insertions(+), 1 deletion(-)
> 
> diff --git a/server/sound.c b/server/sound.c
> index 011cff2..bf59789 100644
> --- a/server/sound.c
> +++ b/server/sound.c
> @@ -1001,7 +1001,51 @@ error1:
>  
>  static int snd_channel_config_socket(RedChannelClient *rcc)
>  {
> -    g_assert_not_reached();
> +    int delay_val;
> +    int flags;
> +#ifdef SO_PRIORITY
> +    int priority;
> +#endif
> +    int tos;
> +    RedsStream *stream = red_channel_client_get_stream(rcc);
> +    RedClient *red_client = red_channel_client_get_client(rcc);
> +    MainChannelClient *mcc = red_client_get_main(red_client);
> +
> +    if ((flags = fcntl(stream->socket, F_GETFL)) == -1) {
> +        spice_printerr("accept failed, %s", strerror(errno));
> +        return FALSE;
> +    }
> +
> +#ifdef SO_PRIORITY
> +    priority = 6;
> +    if (setsockopt(stream->socket, SOL_SOCKET, SO_PRIORITY,
> (void*)&priority,
> +                   sizeof(priority)) == -1) {
> +        if (errno != ENOTSUP) {
> +            spice_printerr("setsockopt failed, %s",
> strerror(errno));
> +        }
> +    }
> +#endif
> +
> +    tos = IPTOS_LOWDELAY;
> +    if (setsockopt(stream->socket, IPPROTO_IP, IP_TOS, (void*)&tos,
> sizeof(tos)) == -1) {
> +        if (errno != ENOTSUP) {
> +            spice_printerr("setsockopt failed, %s",
> strerror(errno));
> +        }
> +    }
> +
> +    delay_val = main_channel_client_is_low_bandwidth(mcc) ? 0 : 1;
> +    if (setsockopt(stream->socket, IPPROTO_TCP, TCP_NODELAY,
> &delay_val, sizeof(delay_val)) == -1) {
> +        if (errno != ENOTSUP) {
> +            spice_printerr("setsockopt failed, %s",
> strerror(errno));
> +        }
> +    }
> +
> +    if (fcntl(stream->socket, F_SETFL, flags | O_NONBLOCK) == -1) {
> +        spice_printerr("accept failed, %s", strerror(errno));
> +        return FALSE;
> +    }
> +
> +    return TRUE;
>  }
>  
>  static void snd_channel_on_disconnect(RedChannelClient *rcc)


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