[Spice-devel] [RFC PATCH spice-server v5 11/22] stream-channel: Allows to register callback to get new stream request

[Frediano Ziglio]

The channel needs to communicate when it receive a new
stream request from the guest.

Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
---
 server/stream-channel.c | 12 ++++++++++++
 server/stream-channel.h |  6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/server/stream-channel.c b/server/stream-channel.c
index 484b761b..5baaf559 100644
--- a/server/stream-channel.c
+++ b/server/stream-channel.c
@@ -70,6 +70,10 @@ struct StreamChannel {
     int stream_id;
     /* size of the current video stream */
     unsigned width, height;
+
+    /* callback to notify when a stream should be started or stopped */
+    stream_channel_start_proc start_cb;
+    void *start_opaque;
 };
 
 struct StreamChannelClass {
@@ -388,3 +392,11 @@ stream_channel_send_data(StreamChannel *channel, const void *data, size_t size,
     red_channel_pipes_new_add(red_channel, pipe_item_new_ref, item);
     red_pipe_item_unref(&item->base);
 }
+
+void
+stream_channel_register_start_cb(StreamChannel *channel,
+                                 stream_channel_start_proc cb, void *opaque)
+{
+    channel->start_cb = cb;
+    channel->start_opaque = opaque;
+}
diff --git a/server/stream-channel.h b/server/stream-channel.h
index 156a75d3..ba098df4 100644
--- a/server/stream-channel.h
+++ b/server/stream-channel.h
@@ -49,6 +49,7 @@ GType stream_channel_get_type(void) G_GNUC_CONST;
 StreamChannel* stream_channel_new(RedsState *server, uint32_t id);
 
 struct StreamMsgFormat;
+struct StreamMsgStartStop;
 
 void stream_channel_change_format(StreamChannel *channel,
                                   const struct StreamMsgFormat *fmt);
@@ -56,6 +57,11 @@ void stream_channel_send_data(StreamChannel *channel,
                               const void *data, size_t size,
                               uint32_t mm_time);
 
+typedef void (*stream_channel_start_proc)(void *opaque, struct StreamMsgStartStop *start,
+                                          StreamChannel *channel);
+void stream_channel_register_start_cb(StreamChannel *channel,
+                                      stream_channel_start_proc cb, void *opaque);
+
 G_END_DECLS
 
 #endif /* STREAM_CHANNEL_H_ */
-- 
2.13.5