public void EnqueueChangeForBroadcast(ChangeToBroadcast ctb)
{
lock (broadcastQueue)
{
broadcastQueue.Add(ctb);
loopEvent.Set();
}
}
public Task BroadcastChange(ChangeToBroadcast ctb)
{
List <Task> tasks = new List <Task>();
string updMsg = "UPDATE " + ctb.NewDocRevisionId + " " + ctb.SourceSessionKey + " " + ctb.SelJson;
if (ctb.ChangeJson != null)
{
updMsg += " " + ctb.ChangeJson;
}
string ackMsg = "ACKCHANGE " + ctb.SourceBaseDocRevisionId + " " + ctb.NewDocRevisionId;
lock (conns)
{
// Propagate to all provided session keys, except sender herself
ManagedConnection senderConn = null;
foreach (var x in conns)
{
if (x.SessionKey == ctb.SourceSessionKey)
{
senderConn = x;
}
if (!ctb.ReceiverSessionKeys.Contains(x.SessionKey) || x.SessionKey == ctb.SourceSessionKey)
{
continue;
}
tasks.Add(x.WSC.SendAsync(updMsg, CancellationToken.None));
}
// Acknowledge change to sender: but only for actual content changes!
// We're not acknowledging selection changes, as those don't change revision ID
if (senderConn != null && ctb.ChangeJson != null)
{
tasks.Add(senderConn.WSC.SendAsync(ackMsg, CancellationToken.None));
}
}
return(Task.WhenAll(tasks));
}
