public bool Send(SendMethod method) { if (msg == null) { msg = new NetworkMessage(Client, 4048); } switch (method) { case SendMethod.Proxy: lock (msgLock) { msg.Reset(); ToNetworkMessage(msg); if (msg.Length > 8) { msg.InsetLogicalPacketHeader(); msg.PrepareToSend(); if (Destination == PacketDestination.Client) { Client.IO.Proxy.SendToClient(msg.Data); } else if (Destination == PacketDestination.Server) { Client.IO.Proxy.SendToServer(msg.Data); } return(true); } } break; case SendMethod.HookProxy: lock (msgLock) { msg.Reset(); ToNetworkMessage(msg); if (msg.Length > 8) { msg.InsetLogicalPacketHeader(); msg.PrepareToSend(); Pipes.HookSendToServerPacket.Send(Client, msg.Data); return(true); } } break; case SendMethod.Memory: lock (msgLock) { msg.Reset(); ToNetworkMessage(msg); if (Destination == PacketDestination.Server) { if (msg.Length > 8) { msg.InsetLogicalPacketHeader(); msg.PrepareToSend(); return(SendPacketToServerByMemory(Client, msg.Data)); } } else if (Destination == PacketDestination.Client) { byte[] data = new byte[msg.Data.Length - 8]; Array.Copy(msg.Data, 8, data, 0, data.Length); SendPacketToClientByMemory(Client, data); } } break; } return(false); }
private void ServerReadCallBack(IAsyncResult ar) { byte[] serverData = null; try { int read = serverStream.EndRead(ar); if (read < 2) { Restart(); return; } lastInteraction = DateTime.Now; int pSize = (int)BitConverter.ToUInt16(serverRecvMsg.GetBuffer(), 0) + 2; while (read < pSize) { if (serverStream.CanRead) { read += serverStream.Read(serverRecvMsg.GetBuffer(), read, pSize - read); } else { throw new Exception("Connection broken."); } } serverRecvMsg.Length = pSize; switch (protocol) { case Protocol.Login: ParseCharacterList(); break; case Protocol.World: OnReceivedDataFromServer(serverRecvMsg.Data); serverData = serverRecvMsg.Data; if (serverRecvMsg.CheckAdler32() && serverRecvMsg.XteaDecrypt(xteaKey)) { serverRecvMsg.Position = serverRecvMsg.GetPacketHeaderSize(); int msgSize = (int)serverRecvMsg.GetUInt16() + serverRecvMsg.GetPacketHeaderSize() + 2; clientSendMsg.Reset(); while (serverRecvMsg.Position < msgSize) { int position = serverRecvMsg.Position; byte type = serverRecvMsg.PeekByte(); lastReceivedPacketTypes.Push(type); if (!ParsePacketFromServer(client, serverRecvMsg, clientSendMsg)) { byte[] unknown = serverRecvMsg.GetBytes(serverRecvMsg.Length - serverRecvMsg.Position); OnSplitPacketFromServer(unknown[0], unknown); WriteDebug("Unknown incoming packet, type: " + type.ToString("X") + ", data: " + unknown.ToHexString()); clientSendMsg.AddBytes(unknown); break; } byte[] data = new byte[serverRecvMsg.Position - position]; Array.Copy(serverRecvMsg.GetBuffer(), position, data, 0, data.Length); OnSplitPacketFromServer(data[0], data); } if (AllowIncomingModification && clientSendMsg.Length > clientSendMsg.GetPacketHeaderSize() + 2) { clientSendMsg.InsetLogicalPacketHeader(); clientSendMsg.PrepareToSend(xteaKey); SendToClient(clientSendMsg.Data); } else { SendToClient(serverData); } } else { SendToClient(serverData); } serverStream.BeginRead(serverRecvMsg.GetBuffer(), 0, 2, new AsyncCallback(ServerReadCallBack), null); break; case Protocol.None: SendToClient(serverRecvMsg.Data); break; } } catch (System.IO.IOException) { } catch (ObjectDisposedException) { } catch (Exception ex) { WriteDebug(ex.ToString()); if (serverData != null) { SendToClient(serverData); serverStream.BeginRead(serverRecvMsg.GetBuffer(), 0, 2, new AsyncCallback(ServerReadCallBack), null); } //Restart(); } }