public override bool Process(WorldPacket packet)
{
PacketHandler opHandle = PacketManager.GetHandler((ClientOpcodes)packet.GetOpcode());
//check if packet handler is supposed to be safe
if (opHandle.processingPlace == PacketProcessing.Inplace)
{
return(true);
}
//thread-unsafe packets should be processed in World.UpdateSessions()
if (opHandle.processingPlace == PacketProcessing.ThreadUnsafe)
{
return(true);
}
//no player attached? . our client! ^^
Player player = m_pSession.GetPlayer();
if (!player)
{
return(true);
}
//lets process all packets for non-in-the-world player
return(!player.IsInWorld);
}
public override bool Process(WorldPacket packet)
{
PacketHandler opHandle = PacketManager.GetHandler((ClientOpcodes)packet.GetOpcode());
//check if packet handler is supposed to be safe
if (opHandle.processingPlace == PacketProcessing.Inplace)
{
return(true);
}
//we do not process thread-unsafe packets
if (opHandle.processingPlace == PacketProcessing.ThreadUnsafe)
{
return(false);
}
Player player = m_pSession.GetPlayer();
if (!player)
{
return(false);
}
//in Map.Update() we do not process packets where player is not in world!
return(player.IsInWorld);
}
public override void ReadHandler(int transferredBytes)
{
if (!IsOpen())
{
return;
}
while (transferredBytes > 5)
{
PacketHeader header;
if (!ReadHeader(out header))
{
CloseSocket();
return;
}
var data = new byte[header.Size];
Buffer.BlockCopy(GetReceiveBuffer(), 16, data, 0, header.Size);
if (!_worldCrypt.Decrypt(ref data, header.Tag))
{
Log.outError(LogFilter.Network, $"WorldSocket.ReadHandler(): client {GetRemoteIpAddress().ToString()} failed to decrypt packet (size: {header.Size})");
return;
}
WorldPacket worldPacket = new WorldPacket(data);
if (worldPacket.GetOpcode() >= (int)ClientOpcodes.Max)
{
Log.outError(LogFilter.Network, $"WorldSocket.ReadHandler(): client {GetRemoteIpAddress().ToString()} sent wrong opcode (opcode: {worldPacket.GetOpcode()})");
return;
}
PacketLog.Write(data, worldPacket.GetOpcode(), GetRemoteIpAddress(), GetRemotePort(), _connectType, true);
if (!ProcessPacket(worldPacket))
{
CloseSocket();
return;
}
transferredBytes -= header.Size + 16;
Buffer.BlockCopy(GetReceiveBuffer(), header.Size + 16, GetReceiveBuffer(), 0, transferredBytes);
}
AsyncRead();
}
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);
}
