[Spice-devel] [spice PATCH 01/55] red_channel: add red_channel_test_remote_cap

[Yonit Halperin]

for checking if all the channel clients connected support the cap
---
 server/red_channel.c |   28 ++++++++++++++++++++++++++++
 server/red_channel.h |    4 ++++
 2 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/server/red_channel.c b/server/red_channel.c
index 2a7acbf..1cad9eb 100644
--- a/server/red_channel.c
+++ b/server/red_channel.c
@@ -560,6 +560,34 @@ int red_channel_client_test_remote_cap(RedChannelClient *rcc, uint32_t cap)
                           cap);
 }
 
+int red_channel_test_remote_common_cap(RedChannel *channel, uint32_t cap)
+{
+    RingItem *link;
+
+    RING_FOREACH(link, &channel->clients) {
+        RedChannelClient *rcc = SPICE_CONTAINEROF(link, RedChannelClient, channel_link);
+
+        if (!red_channel_client_test_remote_common_cap(rcc, cap)) {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
+int red_channel_test_remote_cap(RedChannel *channel, uint32_t cap)
+{
+    RingItem *link;
+
+    RING_FOREACH(link, &channel->clients) {
+        RedChannelClient *rcc = SPICE_CONTAINEROF(link, RedChannelClient, channel_link);
+
+        if (!red_channel_client_test_remote_cap(rcc, cap)) {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
 static int red_channel_client_pre_create_validate(RedChannel *channel, RedClient  *client)
 {
     if (red_client_get_channel(client, channel->type, channel->id)) {
diff --git a/server/red_channel.h b/server/red_channel.h
index e77e484..acb49cd 100644
--- a/server/red_channel.h
+++ b/server/red_channel.h
@@ -363,6 +363,10 @@ void red_channel_destroy(RedChannel *channel);
 int red_channel_client_test_remote_common_cap(RedChannelClient *rcc, uint32_t cap);
 int red_channel_client_test_remote_cap(RedChannelClient *rcc, uint32_t cap);
 
+/* return true if all the channel clients support the cap */
+int red_channel_test_remote_common_cap(RedChannel *channel, uint32_t cap);
+int red_channel_test_remote_cap(RedChannel *channel, uint32_t cap);
+
 /* shutdown is the only safe thing to do out of the client/channel
  * thread. It will not touch the rings, just shutdown the socket.
  * It should be followed by some way to gurantee a disconnection. */
-- 
1.7.7.6