bool ProcessPacket(WorldPacket packet)
{
ClientOpcodes opcode = (ClientOpcodes)packet.GetOpcode();
PacketLog.Write(packet.GetData(), opcode, GetRemoteIpAddress(), GetRemotePort(), _connectType);
try
{
switch (opcode)
{
case ClientOpcodes.Ping:
Ping ping = new Ping(packet);
ping.Read();
return(HandlePing(ping));
case ClientOpcodes.AuthSession:
if (_worldSession != null)
{
Log.outError(LogFilter.Network, "WorldSocket.ProcessPacket: received duplicate CMSG_AUTH_SESSION from {0}", _worldSession.GetPlayerInfo());
return(false);
}
AuthSession authSession = new AuthSession(packet);
authSession.Read();
HandleAuthSession(authSession);
break;
case ClientOpcodes.AuthContinuedSession:
if (_worldSession != null)
{
Log.outError(LogFilter.Network, "WorldSocket.ProcessPacket: received duplicate CMSG_AUTH_CONTINUED_SESSION from {0}", _worldSession.GetPlayerInfo());
return(false);
}
AuthContinuedSession authContinuedSession = new AuthContinuedSession(packet);
authContinuedSession.Read();
HandleAuthContinuedSession(authContinuedSession);
break;
case ClientOpcodes.LogDisconnect:
break;
case ClientOpcodes.EnableNagle:
Log.outDebug(LogFilter.Network, "Client {0} requested enabling nagle algorithm", GetRemoteIpAddress().ToString());
SetNoDelay(false);
break;
case ClientOpcodes.ConnectToFailed:
ConnectToFailed connectToFailed = new ConnectToFailed(packet);
connectToFailed.Read();
HandleConnectToFailed(connectToFailed);
break;
case ClientOpcodes.EnableEncryptionAck:
HandleEnableEncryptionAck();
break;
default:
if (_worldSession == null)
{
Log.outError(LogFilter.Network, "ProcessIncoming: Client not authed opcode = {0}", opcode);
return(false);
}
if (!PacketManager.ContainsHandler(opcode))
{
Log.outError(LogFilter.Network, "No defined handler for opcode {0} sent by {1}", opcode, _worldSession.GetPlayerInfo());
break;
}
// Our Idle timer will reset on any non PING opcodes.
// Catches people idling on the login screen and any lingering ingame connections.
_worldSession.ResetTimeOutTime();
_worldSession.QueuePacket(packet);
break;
}
}
catch (IOException)
{
Log.outError(LogFilter.Network, "WorldSocket.ProcessPacket(): client {0} sent malformed {1}", GetRemoteIpAddress().ToString(), opcode);
return(false);
}
return(true);
}
ReadDataHandlerResult ReadData()
{
PacketHeader header = new PacketHeader();
header.Read(_headerBuffer.GetData());
if (!_worldCrypt.Decrypt(_packetBuffer.GetData(), header.Tag))
{
Log.outError(LogFilter.Network, $"WorldSocket.ReadData(): client {GetRemoteIpAddress()} failed to decrypt packet (size: {header.Size})");
return(ReadDataHandlerResult.Error);
}
WorldPacket packet = new WorldPacket(_packetBuffer.GetData());
_packetBuffer.Reset();
if (packet.GetOpcode() >= (int)ClientOpcodes.Max)
{
Log.outError(LogFilter.Network, $"WorldSocket.ReadData(): client {GetRemoteIpAddress()} sent wrong opcode (opcode: {packet.GetOpcode()})");
return(ReadDataHandlerResult.Error);
}
PacketLog.Write(packet.GetData(), packet.GetOpcode(), GetRemoteIpAddress(), _connectType, true);
ClientOpcodes opcode = (ClientOpcodes)packet.GetOpcode();
switch (opcode)
{
case ClientOpcodes.Ping:
Ping ping = new Ping(packet);
ping.Read();
if (!HandlePing(ping))
{
return(ReadDataHandlerResult.Error);
}
break;
case ClientOpcodes.AuthSession:
if (_worldSession != null)
{
Log.outError(LogFilter.Network, $"WorldSocket.ReadData(): received duplicate CMSG_AUTH_SESSION from {_worldSession.GetPlayerInfo()}");
return(ReadDataHandlerResult.Error);
}
AuthSession authSession = new AuthSession(packet);
authSession.Read();
HandleAuthSession(authSession);
return(ReadDataHandlerResult.WaitingForQuery);
case ClientOpcodes.AuthContinuedSession:
if (_worldSession != null)
{
Log.outError(LogFilter.Network, $"WorldSocket.ReadData(): received duplicate CMSG_AUTH_CONTINUED_SESSION from {_worldSession.GetPlayerInfo()}");
return(ReadDataHandlerResult.Error);
}
AuthContinuedSession authContinuedSession = new AuthContinuedSession(packet);
authContinuedSession.Read();
HandleAuthContinuedSession(authContinuedSession);
return(ReadDataHandlerResult.WaitingForQuery);
case ClientOpcodes.KeepAlive:
if (_worldSession != null)
{
_worldSession.ResetTimeOutTime(true);
}
break;
case ClientOpcodes.LogDisconnect:
break;
case ClientOpcodes.EnableNagle:
SetNoDelay(false);
break;
case ClientOpcodes.ConnectToFailed:
ConnectToFailed connectToFailed = new ConnectToFailed(packet);
connectToFailed.Read();
HandleConnectToFailed(connectToFailed);
break;
case ClientOpcodes.EnterEncryptedModeAck:
HandleEnterEncryptedModeAck();
break;
default:
if (_worldSession == null)
{
Log.outError(LogFilter.Network, $"ProcessIncoming: Client not authed opcode = {opcode}");
return(ReadDataHandlerResult.Error);
}
if (!PacketManager.ContainsHandler(opcode))
{
Log.outError(LogFilter.Network, $"No defined handler for opcode {opcode} sent by {_worldSession.GetPlayerInfo()}");
break;
}
// Our Idle timer will reset on any non PING opcodes on login screen, allowing us to catch people idling.
_worldSession.ResetTimeOutTime(false);
// Copy the packet to the heap before enqueuing
_worldSession.QueuePacket(packet);
break;
}
return(ReadDataHandlerResult.Ok);
}