/// <summary>
/// Keep receiving incoming packets.
/// </summary>
void Update()
{
Buffer buffer;
bool changed = false;
long time = System.DateTime.UtcNow.Ticks / 10000;
// Automatically try to connect and reconnect if not connected
if (mRemoteAddress != null && mTcp.stage == TcpProtocol.Stage.NotConnected && mNextConnect < time)
{
mNextConnect = time + 5000;
mTcp.Connect(mRemoteAddress);
}
// TCP-based lobby
while (mTcp.ReceivePacket(out buffer))
{
if (buffer.size > 0)
{
try
{
BinaryReader reader = buffer.BeginReading();
Packet response = (Packet)reader.ReadByte();
if (response == Packet.ResponseID)
{
if (mTcp.VerifyResponseID(response, reader))
{
isActive = true;
// Request the server list -- with TCP this only needs to be done once
mTcp.BeginSend(Packet.RequestServerList).Write(GameServer.gameID);
mTcp.EndSend();
}
}
else if (response == Packet.Disconnect)
{
knownServers.Clear();
isActive = false;
changed = true;
errorString = "";
}
else if (response == Packet.ResponseServerList)
{
lock (knownServers.list) knownServers.list.Clear();
knownServers.ReadFrom(reader, time);
changed = true;
errorString = "";
}
else if (response == Packet.Error)
{
errorString = reader.ReadString();
Debug.LogWarning(errorString);
changed = true;
}
}
catch (System.Exception ex)
{
errorString = ex.Message;
Debug.LogWarning(ex.Message);
mTcp.Close(false);
}
}
buffer.Recycle();
}
// Trigger the listener callback
if (changed && onChange != null)
{
onChange();
}
}
/// <summary>
/// Send periodic updates.
/// </summary>
void ThreadFunction()
{
mInternal = new IPEndPoint(Tools.localAddress, mGameServer.tcpPort);
mExternal = new IPEndPoint(Tools.externalAddress, mGameServer.tcpPort);
for (; ;)
{
long time = DateTime.UtcNow.Ticks / 10000;
if (mShutdown)
{
mTcp.Disconnect();
mThread = null;
break;
}
Buffer buffer;
// Try to establish a connection
if (mGameServer != null && !mTcp.isConnected && mNextConnect < time)
{
mNextConnect = time + 15000;
mTcp.Connect(mRemoteAddress);
}
while (mTcp.ReceivePacket(out buffer))
{
BinaryReader reader = buffer.BeginReading();
Packet response = (Packet)reader.ReadByte();
if (mTcp.stage == TcpProtocol.Stage.Verifying)
{
if (mTcp.VerifyResponseID(response, reader))
{
mTimeDifference = reader.ReadInt64() - (System.DateTime.UtcNow.Ticks / 10000);
mWasConnected = true;
}
else
{
#if STANDALONE
Console.WriteLine("TcpLobbyLink: Protocol version mismatch");
#endif
mThread = null;
return;
}
}
else if (response == Packet.Error)
{
// Automatically try to re-establish a connection on disconnect
mNextConnect = mWasConnected ? 0 : time + 30000;
#if STANDALONE
Console.WriteLine("TcpLobbyLink: " + reader.ReadString());
#endif
}
#if STANDALONE
else
{
Console.WriteLine("TcpLobbyLink can't handle this packet: " + response);
}
#endif
buffer.Recycle();
}
if (mGameServer != null && mTcp.isConnected)
{
BinaryWriter writer = mTcp.BeginSend(Packet.RequestAddServer);
writer.Write(GameServer.gameID);
writer.Write(mGameServer.name);
writer.Write((short)mGameServer.playerCount);
Tools.Serialize(writer, mInternal);
Tools.Serialize(writer, mExternal);
mTcp.EndSend();
mGameServer = null;
}
Thread.Sleep(10);
}
}
