Acked-by: Christophe Fergeau <cferg...@redhat.com>
On Mon, Sep 18, 2017 at 04:04:55PM +0100, Frediano Ziglio wrote:
> RedChannelClient has a "handle-acks" feature.
> If this feature is enabled, after the configured number of messages it
> waits for an ACK from the client.
> If is waiting for an ACK it stops sending messages.
> However the write notification was not disabled, causing the loop event
> to always trigger, as the socket in this case is ready to accept data.
> Specifically red_channel_client_event is continuously called.
> This is noticeable using slow network environments and having
> some additional loop instrumentation.
>
> Signed-off-by: Frediano Ziglio <fzig...@redhat.com>
> ---
> Changes since v2:
> - updated commit message specifying the function called in the loop;
> - removed SPICE_WATCH_EVENTS_READ_WRITE definition.
> ---
> server/red-channel-client.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/server/red-channel-client.c b/server/red-channel-client.c
> index 764e6cd7e..78e6589bb 100644
> --- a/server/red-channel-client.c
> +++ b/server/red-channel-client.c
> @@ -1327,7 +1327,8 @@ void red_channel_client_push(RedChannelClient *rcc)
> while ((pipe_item = red_channel_client_pipe_item_get(rcc))) {
> red_channel_client_send_item(rcc, pipe_item);
> }
> - if (red_channel_client_no_item_being_sent(rcc) &&
> g_queue_is_empty(&rcc->priv->pipe)) {
> + if ((red_channel_client_no_item_being_sent(rcc) &&
> g_queue_is_empty(&rcc->priv->pipe)) ||
> + red_channel_client_waiting_for_ack(rcc)) {
> red_channel_client_watch_update_mask(rcc, SPICE_WATCH_EVENT_READ);
> }
> rcc->priv->during_send = FALSE;
> @@ -1452,6 +1453,8 @@ bool red_channel_client_handle_message(RedChannelClient
> *rcc, uint16_t type,
> case SPICE_MSGC_ACK:
> if (rcc->priv->ack_data.client_generation ==
> rcc->priv->ack_data.generation) {
> rcc->priv->ack_data.messages_window -=
> rcc->priv->ack_data.client_window;
> + red_channel_client_watch_update_mask(rcc,
> +
> SPICE_WATCH_EVENT_READ|SPICE_WATCH_EVENT_WRITE);
> red_channel_client_push(rcc);
> }
> break;
> --
> 2.13.5
>
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