public void WriteTo(BinaryWriter writer)
{
writer.Write(name);
writer.Write((ushort)playerCount);
Tools.Serialize(writer, internalAddress);
Tools.Serialize(writer, externalAddress);
}
public void ReadFrom(BinaryReader reader)
{
name = reader.ReadString();
playerCount = reader.ReadUInt16();
Tools.Serialize(reader, out internalAddress);
Tools.Serialize(reader, out externalAddress);
}
/// <summary>
/// Send periodic updates.
/// </summary>
void ThreadFunction()
{
mInternal = new IPEndPoint(Tools.localAddress, mGameServer.tcpPort);
mExternal = new IPEndPoint(Tools.externalAddress, mGameServer.tcpPort);
for (; ;)
{
#if !STANDALONE
if (TNManager.isPaused)
{
Thread.Sleep(500);
continue;
}
#endif
long time = DateTime.UtcNow.Ticks / 10000;
if (mShutdown)
{
Buffer buffer = Buffer.Create();
BinaryWriter writer = buffer.BeginPacket(Packet.RequestRemoveServer);
writer.Write(GameServer.gameID);
Tools.Serialize(writer, mInternal);
Tools.Serialize(writer, mExternal);
buffer.EndPacket();
mUdp.Send(buffer, mRemoteAddress);
buffer.Recycle();
mThread = null;
break;
}
if (mNextSend < time && mGameServer != null)
{
mNextSend = time + 3000;
Buffer buffer = Buffer.Create();
var writer = buffer.BeginPacket(Packet.RequestAddServer);
writer.Write(GameServer.gameID);
writer.Write(mGameServer.name);
writer.Write((short)mGameServer.playerCount);
Tools.Serialize(writer, mInternal);
Tools.Serialize(writer, mExternal);
buffer.EndPacket();
mUdp.Send(buffer, mRemoteAddress);
buffer.Recycle();
}
try { Thread.Sleep(10); }
catch (System.Threading.ThreadInterruptedException) { return; }
}
}
/// <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.Now.Ticks / 10000;
if (mShutdown)
{
Buffer buffer = Buffer.Create();
BinaryWriter writer = buffer.BeginPacket(Packet.RequestRemoveServer);
writer.Write(GameServer.gameID);
Tools.Serialize(writer, mInternal);
Tools.Serialize(writer, mExternal);
buffer.EndPacket();
mUdp.Send(buffer, mRemoteAddress);
buffer.Recycle();
mThread = null;
break;
}
if (mNextSend < time && mGameServer != null)
{
mNextSend = time + 3000;
Buffer buffer = Buffer.Create();
BinaryWriter writer = buffer.BeginPacket(Packet.RequestAddServer);
writer.Write(GameServer.gameID);
writer.Write(mGameServer.name);
writer.Write((short)mGameServer.playerCount);
Tools.Serialize(writer, mInternal);
Tools.Serialize(writer, mExternal);
buffer.EndPacket();
mUdp.Send(buffer, mRemoteAddress);
buffer.Recycle();
}
Thread.Sleep(10);
}
}
/// <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;
#if STANDALONE
Tools.Print("TcpLobbyLink shut down");
#endif
break;
}
#if !STANDALONE
if (TNManager.isPaused)
{
Thread.Sleep(500);
continue;
}
#endif
Buffer buffer;
// Try to establish a connection
if (mGameServer != null && !mTcp.isConnected && !mTcp.isTryingToConnect && mNextConnect < time)
{
#if STANDALONE
Tools.Print("TcpLobbyLink is connecting to " + mRemoteAddress + "...");
#endif
mUpdateNeeded = true;
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;
#if STANDALONE
Tools.Print("TcpLobbyLink connection established");
#endif
}
else
{
#if STANDALONE
Tools.Print("TcpLobbyLink Error: Protocol version mismatch");
#endif
mThread = null;
return;
}
}
else if (response == Packet.RequestPing)
{
}
#if STANDALONE
else if (response == Packet.Error)
{
Tools.Print("TcpLobbyLink Error: " + reader.ReadString());
}
else if (response == Packet.Disconnect)
{
Tools.Print("TcpLobbyLink disconnected");
}
else
{
Tools.Print("TcpLobbyLink can't handle this packet: " + response);
}
#endif
buffer.Recycle();
}
// Automatically try to re-establish a connection on disconnect
if (mWasConnected && !mTcp.isConnected && !mTcp.isTryingToConnect)
{
mNextConnect = time + 5000;
mWasConnected = false;
}
else if (mGameServer != null && mTcp.isConnected && (mUpdateNeeded || mNextSend < time))
{
mUpdateNeeded = false;
mNextSend = time + 5000;
Buffer buff = Buffer.Create();
BinaryWriter writer = buff.BeginPacket(Packet.RequestAddServer);
writer.Write(GameServer.gameID);
writer.Write(mGameServer.name);
writer.Write((short)mGameServer.playerCount);
Tools.Serialize(writer, mInternal);
Tools.Serialize(writer, mExternal);
buff.EndPacket();
mTcp.SendTcpPacket(buff);
buff.Recycle();
}
try { Thread.Sleep(10); }
catch (System.Threading.ThreadInterruptedException) { return; }
}
}
/// <summary>
/// Process an incoming packet.
/// </summary>
bool ProcessPacket(Buffer buffer, IPEndPoint ip)
{
BinaryReader reader = buffer.BeginReading();
Packet request = (Packet)reader.ReadByte();
switch (request)
{
case Packet.RequestPing:
{
BeginSend(Packet.ResponsePing);
EndSend(ip);
break;
}
case Packet.RequestAddServer:
{
if (reader.ReadUInt16() != GameServer.gameID)
{
return(false);
}
ServerList.Entry ent = new ServerList.Entry();
ent.ReadFrom(reader);
if (ent.externalAddress.Address.Equals(IPAddress.None))
{
ent.externalAddress = ip;
}
mList.Add(ent, mTime);
#if STANDALONE
Tools.Print(ip + " added a server (" + ent.internalAddress + ", " + ent.externalAddress + ")");
#endif
return(true);
}
case Packet.RequestRemoveServer:
{
if (reader.ReadUInt16() != GameServer.gameID)
{
return(false);
}
IPEndPoint internalAddress, externalAddress;
Tools.Serialize(reader, out internalAddress);
Tools.Serialize(reader, out externalAddress);
if (externalAddress.Address.Equals(IPAddress.None))
{
externalAddress = ip;
}
RemoveServer(internalAddress, externalAddress);
#if STANDALONE
Tools.Print(ip + " removed a server (" + internalAddress + ", " + externalAddress + ")");
#endif
return(true);
}
case Packet.RequestServerList:
{
if (reader.ReadUInt16() != GameServer.gameID)
{
return(false);
}
mList.WriteTo(BeginSend(Packet.ResponseServerList));
EndSend(ip);
return(true);
}
}
return(false);
}
/// <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);
}
}
/// <summary>
/// Process an incoming packet.
/// </summary>
bool ProcessPacket(Buffer buffer, IPEndPoint ip)
{
if (mBan.Count != 0 && mBan.Contains(ip.Address.ToString()))
{
return(false);
}
var reader = buffer.BeginReading();
var request = (Packet)reader.ReadByte();
switch (request)
{
case Packet.RequestPing:
{
var writer = BeginSend(Packet.ResponsePing);
writer.Write(mTime);
writer.Write((ushort)mList.list.size);
EndSend(ip);
break;
}
case Packet.RequestAddServer:
{
if (reader.ReadUInt16() != GameServer.gameID)
{
return(false);
}
var ent = new ServerList.Entry();
ent.ReadFrom(reader);
if (mBan.Count != 0 && (mBan.Contains(ent.externalAddress.Address.ToString()) || IsBanned(ent.name)))
{
return(false);
}
if (ent.externalAddress.Address.Equals(IPAddress.None) ||
ent.externalAddress.Address.Equals(IPAddress.IPv6None))
{
ent.externalAddress = ip;
}
mList.Add(ent, mTime);
#if STANDALONE
Tools.Print(ip + " added a server (" + ent.internalAddress + ", " + ent.externalAddress + ")");
#endif
return(true);
}
case Packet.RequestRemoveServer:
{
if (reader.ReadUInt16() != GameServer.gameID)
{
return(false);
}
IPEndPoint internalAddress, externalAddress;
Tools.Serialize(reader, out internalAddress);
Tools.Serialize(reader, out externalAddress);
if (externalAddress.Address.Equals(IPAddress.None) ||
externalAddress.Address.Equals(IPAddress.IPv6None))
{
externalAddress = ip;
}
RemoveServer(internalAddress, externalAddress);
#if STANDALONE
Tools.Print(ip + " removed a server (" + internalAddress + ", " + externalAddress + ")");
#endif
return(true);
}
case Packet.RequestServerList:
{
if (reader.ReadUInt16() != GameServer.gameID)
{
return(false);
}
mList.WriteTo(BeginSend(Packet.ResponseServerList));
EndSend(ip);
return(true);
}
}
return(false);
}
