private void ReceiveData(IAsyncResult ar) { try { if (this.isDisconnected) { return; } if (!sock.Connected) { ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } try { stream.EndRead(ar); } catch (Exception) { ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } byte[] raw = (byte[])ar.AsyncState; if (alreadyReceived < lastSize) { int left = lastSize - alreadyReceived; if (left > 1024) { left = 1024; } if (left > sock.Available) { left = sock.Available; } try { stream.BeginRead(raw, 4 + alreadyReceived, left, this.callbackData, raw); } catch (Exception ex) { Logger.ShowError(ex); ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } alreadyReceived += left; return; } raw = Crypt.Decrypt(raw, 8); Packet p = new Packet(); p.data = raw; uint length = p.GetUInt(4); uint offset = 0; while (offset < length) { uint size; if (firstLevelLenth == 4) { size = p.GetUInt((ushort)(8 + offset)); } else { size = p.GetUShort((ushort)(8 + offset)); } offset += firstLevelLenth; if (size + offset > length) { break; } Packet p2 = new Packet(); p2.data = p.GetBytes((ushort)size, (ushort)(8 + offset)); offset += size; ProcessPacket(p2); } try { stream.BeginRead(buffer, 0, 4, this.callbackSize, null); } catch (Exception) { ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } } catch (Exception e) { Logger.ShowError(e, null); } }
private void ReceiveData(IAsyncResult ar) { try { if (this.isDisconnected) { return; } if (!sock.Connected) { ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } try { stream.EndRead(ar); } catch (Exception) { ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } byte[] raw = (byte[])ar.AsyncState; if (alreadyReceived < lastSize) { int left = lastSize - alreadyReceived; if (left > 1024) left = 1024; if (left > sock.Available) left = sock.Available; try { stream.BeginRead(raw, 4 + alreadyReceived, left, this.callbackData, raw); } catch (Exception ex) { Logger.ShowError(ex); ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } alreadyReceived += left; return; } raw = Crypt.Decrypt(raw, 8); Packet p = new Packet(); p.data = raw; uint length = p.GetUInt(4); uint offset = 0; while (offset < length) { uint size; if(firstLevelLenth ==4) size= p.GetUInt((ushort)(8 + offset)); else size = p.GetUShort((ushort)(8 + offset)); offset += firstLevelLenth; if (size + offset > length) break; Packet p2 = new Packet(); p2.data = p.GetBytes((ushort)size, (ushort)(8 + offset)); offset += size; ProcessPacket(p2); } try { stream.BeginRead(buffer, 0, 4, this.callbackSize, null); } catch (Exception) { ClientManager.EnterCriticalArea(); this.Disconnect(); ClientManager.LeaveCriticalArea(); return; } } catch (Exception e) { Logger.ShowError(e, null); } }