internal void ExecuteDisconnect(string reason, bool sendByeMessage)
{
m_peer.VerifyNetworkThread();
// m_peer.LogDebug("Executing disconnect");
// clear send queues
for (int i = 0; i < m_sendChannels.Length; i++)
{
NetSenderChannelBase channel = m_sendChannels[i];
if (channel != null)
{
channel.Reset();
}
}
if (sendByeMessage)
{
SendDisconnect(reason, true);
}
SetStatus(NetConnectionStatus.Disconnected, reason);
// in case we're still in handshake
lock (m_peer.m_handshakes)
m_peer.m_handshakes.Remove(m_remoteEndpoint);
m_disconnectRequested = false;
m_connectRequested = false;
m_handshakeAttempts = 0;
}
// received a library message while Connected
internal void ReceivedLibraryMessage(NetMessageType tp, int ptr, int payloadLength)
{
m_peer.VerifyNetworkThread();
float now = (float)NetTime.Now;
switch (tp)
{
case NetMessageType.Disconnect:
NetIncomingMessage msg = m_peer.SetupReadHelperMessage(ptr, payloadLength);
ExecuteDisconnect(msg.ReadString(), false);
break;
case NetMessageType.Acknowledge:
for (int i = 0; i < payloadLength; i += 3)
{
NetMessageType acktp = (NetMessageType)m_peer.m_receiveBuffer[ptr++]; // netmessagetype
int seqNr = m_peer.m_receiveBuffer[ptr++];
seqNr |= (m_peer.m_receiveBuffer[ptr++] << 8);
NetSenderChannelBase chan = m_sendChannels[(int)acktp - 1];
if (chan == null)
{
chan = CreateSenderChannel(acktp);
}
//m_peer.LogVerbose("Received ack for " + acktp + "#" + seqNr);
chan.ReceiveAcknowledge(now, seqNr);
}
break;
case NetMessageType.Ping:
int pingNr = m_peer.m_receiveBuffer[ptr++];
SendPong(pingNr);
break;
case NetMessageType.Pong:
NetIncomingMessage pmsg = m_peer.SetupReadHelperMessage(ptr, payloadLength);
int pongNr = pmsg.ReadByte();
float remoteSendTime = pmsg.ReadSingle();
ReceivedPong(now, pongNr, remoteSendTime);
break;
case NetMessageType.ExpandMTURequest:
SendMTUSuccess(payloadLength);
break;
case NetMessageType.ExpandMTUSuccess:
NetIncomingMessage emsg = m_peer.SetupReadHelperMessage(ptr, payloadLength);
int size = emsg.ReadInt32();
HandleExpandMTUSuccess(now, size);
break;
default:
m_peer.LogWarning("Connection received unhandled library message: " + tp);
break;
}
}
// called by SendMessage() and NetPeer.SendMessage; ie. may be user thread
internal NetSendResult EnqueueMessage(NetOutgoingMessage msg, NetDeliveryMethod method, int sequenceChannel)
{
NetMessageType tp = (NetMessageType)((int)method + sequenceChannel);
msg.m_messageType = tp;
// TODO: do we need to make this more thread safe?
int channelSlot = (int)method - 1 + sequenceChannel;
NetSenderChannelBase chan = m_sendChannels[channelSlot];
if (chan == null)
{
chan = CreateSenderChannel(tp);
}
if (msg.GetEncodedSize() > m_currentMTU)
{
throw new NetException("Message too large! Fragmentation failure?");
}
return(chan.Enqueue(msg));
}