/// <summary>
/// Move the specified <see cref="P2PSession"/> to the new <see cref="P2PBridge"/> specified.
/// </summary>
/// <param name="session"></param>
/// <param name="newBridge"></param>
public virtual void MigrateQueue(P2PSession session, P2PBridge newBridge)
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose,
String.Format("P2PBridge {0} migrating session {1} queue to new bridge {2}",
this.ToString(), session.SessionId, (newBridge != null) ? newBridge.ToString() : "null"), GetType().Name);
P2PSendQueue newQueue = new P2PSendQueue();
lock (sendingQueues)
{
if (sendingQueues.ContainsKey(session))
{
if (newBridge != null)
{
lock (sendingQueues[session])
{
foreach (P2PSendItem item in sendingQueues[session])
newQueue.Enqueue(item);
}
}
sendingQueues.Remove(session);
}
}
lock (sendQueues)
{
if (sendQueues.ContainsKey(session))
{
if (newBridge != null)
{
while (sendQueues[session].Count > 0)
newQueue.Enqueue(sendQueues[session].Dequeue());
}
sendQueues.Remove(session);
}
}
lock (stoppedSessions)
{
if (stoppedSessions.Contains(session))
{
stoppedSessions.Remove(session);
}
}
if (newBridge != null)
newBridge.AddQueue(session, newQueue);
}
/// <summary>
/// Send a P2P Message to the specified P2PSession.
/// </summary>
/// <param name="session">
/// The application layer, which is a <see cref="P2PSession"/>
/// </param>
/// <param name="remote">
/// he receiver <see cref="Contact"/>
/// </param>
/// <param name="remoteGuid">
/// A <see cref="Guid"/>
/// </param>
/// <param name="msg">
/// he <see cref="P2PMessage"/> to be sent.
/// </param>
/// <param name="ackTimeout">
/// The maximum time to wait for an ACK. <see cref="System.Int32"/>
/// </param>
/// <param name="ackHandler">
/// The <see cref="AckHandler"/> to handle the ACK.
/// </param>
public virtual void Send(P2PSession session, Contact remote, Guid remoteGuid, P2PMessage msg, int ackTimeout, AckHandler ackHandler)
{
if (remote == null)
throw new ArgumentNullException("remote");
P2PMessage[] msgs = SetSequenceNumberAndRegisterAck(session, remote, msg, ackHandler, ackTimeout);
if (session == null)
{
if (!IsOpen)
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceError,
"Send called with no session on a closed bridge", GetType().Name);
return;
}
// Bypass queueing
foreach (P2PMessage m in msgs)
{
SendOnePacket(null, remote, remoteGuid, m);
}
return;
}
if (!SuitableFor(session))
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceError,
"Send called with a session this bridge is not suitable for", GetType().Name);
return;
}
lock (sendQueues)
{
if (!sendQueues.ContainsKey(session))
sendQueues[session] = new P2PSendQueue();
}
lock (sendQueues[session])
{
foreach (P2PMessage m in msgs)
sendQueues[session].Enqueue(remote, remoteGuid, m);
}
ProcessSendQueues();
}
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="queue"></param>
public virtual void AddQueue(P2PSession session, P2PSendQueue queue)
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose,
String.Format("P2PBridge {0} received queue for session {1}", this.ToString(), session.SessionId), GetType().Name);
if (sendQueues.ContainsKey(session))
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceVerbose,
"A queue is already present for this session, merging the queues", GetType().Name);
lock (sendQueues[session])
{
while (queue.Count > 0)
sendQueues[session].Enqueue(queue.Dequeue());
}
}
else
{
lock (sendQueues)
sendQueues[session] = queue;
}
ProcessSendQueues();
}
