/// <summary>
/// Processes the send queue
/// </summary>
/// <param name="ObjectCache"></param>
public void ProcessSendQueue()
{
sendingThreads++;
while (SendQueue.Count > 0)
{
Hash sendHash;
SendQueue.TryDequeue(out sendHash);
IPeerTransport transport = GetTransport();
CacheItem sendItem = sendCache.Get(sendHash);
if (sendItem == null)
{
logger.Warn("A peer send item expired, it will not be resent");
}
else
{
if (transport.TryPut(sendItem))
{
//successful send, remove cached item
sendCache.Remove(sendItem.Key);
}
sendCache.Expire(DateTime.Now - ConnectTimeOut, true);
}
}
sendingThreads--;
}
private void NetworkWorker()
{
while (true)
{
if (IsSpawned && nextPlayerUpdate < DateTime.Now)
{
nextPlayerUpdate = DateTime.Now.AddMilliseconds(500);
SendPacket(new PlayerPacket(true)); // TODO: Store OnGround properly
}
// Send queued packets
while (SendQueue.Count != 0)
{
IPacket packet;
if (SendQueue.TryDequeue(out packet))
{
try
{
// Write packet
packet.WritePacket(Stream);
#if DEBUG
LogProvider.Log(packet, true);
#endif
Stream.Flush();
if (packet is DisconnectPacket)
{
return;
}
}
catch { /* TODO */ }
}
}
// Read incoming packets
var readTimeout = DateTime.Now.AddMilliseconds(20); // Maximum read time given to server per iteration
while (NetworkStream.DataAvailable && DateTime.Now < readTimeout)
{
try
{
var packet = PacketReader.ReadPacket(Stream);
#if DEBUG
LogProvider.Log(packet, false);
#endif
HandlePacket(packet);
if (packet is DisconnectPacket)
{
return;
}
}
catch { /* TODO */ }
}
Thread.Sleep(1);
}
}
/// <summary>
/// The internal thread procedure, handling recv and send.
/// </summary>
protected void ThreadProc()
{
// cleanup old socket if any
if (socket != null)
{
socket.Close();
socket = null;
}
// reset the packetcontroller
messageController.Reset();
// clean pending messages/exceptions from queues
GameMessage message;
Exception error;
while (SendQueue.TryDequeue(out message))
{
;
}
while (ReceiveQueue.TryDequeue(out message))
{
;
}
while (ExceptionQueue.TryDequeue(out error))
{
;
}
// init a new Socket
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// try connect to server
try { socket.Connect(serverAddress, serverPort); }
catch (Exception Error) { ExceptionQueue.Enqueue(Error); }
// don't go on if no connection
if (socket.Connected)
{
// initialize the socket stream
tcpStream = new NetworkStream(socket);
// mark running
isRunning = true;
// start thread loop
// this can be broken by calling Disconnect()
while (isRunning)
{
try
{
bool doSend = false;
// processing pending messages to send
while (SendQueue.TryDequeue(out message))
{
Send(message, false);
doSend = true;
}
// call flush ourself here
// so we can send multiple messages above
if (doSend)
{
Flush();
}
// read
if (socket.Available > 0)
{
messageController.ReadRecv(tcpStream, socket.Available);
}
// avoid 100% cpu usage
Thread.Sleep(SLEEPTIME);
}
catch (Exception Error)
{
// log the exception
ExceptionQueue.Enqueue(Error);
// stop thread
isRunning = false;
}
}
}
// cleanup
if (socket != null)
{
socket.Close();
}
// reset references
socket = null;
tcpStream = null;
workThread = null;
}
