// int loopZero = 3; private void recvLoop() { Console.WriteLine("server ready..."); _isEndConnection = false; Console.WriteLine("accept client!"); //_sh.setStream(_client.GetStream(),_client.Client); BeginAClient(); int errCount = 0; while (!_isEndConnection) { funcRunningInServerLoopForClient(); if (_callBackFunc != null) { _callBackFunc(); } int size = 0; try { size = _uSocket.ReceiveFrom(_tempRecvBuffer, ref _remoteEP);// 0, available, SocketFlags.None); ; _totalSize = size; } catch { break; } _recvPos = RecvPositions.AfterRecved; if (size <= 0) { errCount++; if (errCount > 1) { if (_uSocket == null || _uSocket.Blocking == false || _uSocket.Connected == false) { //루프에서 나간다. break; } else { try { _uSocket.Close(); } catch { } _uSocket = null; break; } } } else { errCount = 0; } TransferEventArgs args = new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, size, ""); args.TempBuffer = _tempRecvBuffer; if (E_OnCanReceive != null) { E_OnCanReceive(this, args); } if (args.IsHandled == false && E_OnReceivedInQueue != null) { Byte[] buff = new byte[size]; Buffer.BlockCopy(_tempRecvBuffer, 0, buff, 0, size); _queue.enqueueFrom(buff); _recvPos = RecvPositions.AfterQueueEntered; args = new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _queue.Size, ""); if (E_OnReceivedInQueue != null) { E_OnReceivedInQueue(this, args); } } /* * if (_callBackFunc != null) _callBackFunc(); * * int available = _uSocket.Available; * Byte[] buff; * int size; * if (available > 0) * { * buff = new Byte[available]; * size = _uSocket.ReceiveFrom(buff, 0, available, SocketFlags.None, ref _remoteEP); * } * else * { * buff = _tempBuff; //available이 0일때는 다음에 도착할 header를 기다린다. * _uSocket.Blocking = true; * size = _uSocket.ReceiveFrom(buff, ref _remoteEP); * totalCount++; * } * if (size > 0) * { * if (size == buff.Length) _queue.Enqueue(buff); * else _queue.enqueueFrom(buff, 0, size); * totalSize += (ulong)size; * if (_queue.Size != (int)totalSize) * { * Console.Write("total size is not match to queueSize"); * } * if (E_OnReceived != null) E_OnReceived(this, new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _queue.Size)); * * loopZero = 3; * totalDataCount++; * * * } * else loopZero--; * * if (loopZero == 0 || size < 0) * { * if (E_NetError != null) E_NetError(this, new NetworkErrorEventArgs(_id, NetworkErrorEventArgs.NetErrorMsg.READ_TIMEOUT)); * break; * } * if (size == 0) continue; */ } FinishAClient(); ConnectionEvent(ConnType.Disconnected); //close(); //OnConnectionFailed("Connection closed.."); }
// int loopZero = 3; private void recvLoop() { int id = _threadId; UdpClient conn = _clients[id]; Console.WriteLine("server ready..."); Console.WriteLine("accept client!"); //_sh.setStream(_client.GetStream(),_client.Client); BeginAClient(); int errCount = 0; while (id == _threadId) { funcRunningInServerLoopForClient(); if (_callBackFunc != null) { _callBackFunc(); } int size = 0; try { size = conn.Client.Receive(_tempRecvBuffer, SocketFlags.None); _totalSize = size; _recvPos = RecvPositions.AfterRecved; } catch { break; } if (size <= 0) { errCount++; if (errCount > 3) { if (conn.Client == null || conn.Client.Blocking == false || conn.Client.Connected == false) { //루프에서 나간다. break; } else { try { conn.Client.Close(); } catch { } conn.Client = null; break; } } } else { errCount = 0; } TransferEventArgs args = new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, size, ""); if (E_OnCanReceive != null) { E_OnCanReceive(this, args); } if (args.IsHandled == false && E_OnReceivedInQueue != null) { Byte[] buff = new byte[size]; Buffer.BlockCopy(_tempRecvBuffer, 0, buff, 0, size); _queue.enqueueFrom(buff); _recvPos = RecvPositions.AfterQueueEntered; args = new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _queue.Size, ""); if (E_OnReceivedInQueue != null) { E_OnReceivedInQueue(this, args); } } /* * if (available > 0) * { * //buff = new Byte[available]; * * } * else * { * //buff = new byte[_headerSize]; //available이 0일때는 다음에 도착할 header를 기다린다. * size = this.Client.Receive(buff, 0, _headerSize, SocketFlags.None); * } * if (size > 0) * { * if (size == buff.Length) _queue.Enqueue(buff); * else _queue.enqueueFrom(buff, 0, size); * * if (E_OnReceived != null) E_OnReceived(this, new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _queue.Size)); * loopZero = 3; * } * else loopZero--; * * if (loopZero == 0 || size < 0) * { * if (E_NetError != null) E_NetError(this, new NetworkErrorEventArgs(_id, NetworkErrorEventArgs.NetErrorMsg.READ_TIMEOUT)); * break; * } * if (size == 0) continue; */ } FinishAClient(); ConnectionEvent(ConnType.Disconnected); //close(); //OnConnectionFailed("Connection closed.."); }
/// <summary> /// 루프내부구문이다. /// </summary> /// <returns>true를 리턴하면 루프에서 빠져나가는 것이고, false를 리턴하면 continue하는 것이며, null을 리턴하면 그냥 진행한다.</returns> protected bool?InRecvLoop(Byte[] buffer, Socket socket, int id, ref int totalSize, ref int errorCount, BufferQueue queue) { if (_callBackFunc != null) { _callBackFunc(); } int size = 0; try { size = socket.Receive(buffer, totalSize, 1, SocketFlags.None);//일단 1개를 받음.. if (socket.Available > 0) { size += socket.Receive(buffer, totalSize + 1, socket.Available, SocketFlags.None);//나머지를 받음. } _recvPos = RecvPositions.AfterRecved; if (size <= 0) { errorCount++; //접속된 직후 이 경우가 있을 수 있으므로.. if (errorCount > 3) { if (socket == null || socket.Blocking == false || socket.Connected == false) { //루프에서 나간다. return(true); } else { try { socket.Close(); } catch { } RunConnectionEvent(ConnType.Disconnected, "error count==3", id); socket = null; } errorCount = 0; return(true); } return(false); } else { errorCount = 0; } } catch { if (E_NetError != null) { E_NetError(this, new NetworkErrorEventArgs(id, NetworkErrorEventArgs.NetErrorMsg.FAIL_WHEN_RECV_MSG)); } return(true); } totalSize += size; TransferEventArgs args = new TransferEventArgs(id, TransferEventArgs.TransferMode.Receive, size, totalSize, ""); args.TempBuffer = buffer; if (E_OnCanReceive != null) { E_OnCanReceive(this, args); } if (args.IsHandled) { if (args.UsedSize > 0 && totalSize > args.UsedSize)//직접처리했는데 버퍼에 있는 내용을 다 소비하지 않았다면.. { //남은 부분을 앞으로 가져옴.. Buffer.BlockCopy(buffer, args.UsedSize, buffer, 0, totalSize - args.UsedSize); totalSize -= args.UsedSize; } else//이 경우 모든 받은 내용을 처리했다고 가정한다. { totalSize = 0;//버퍼를 초기화한다. 제일 처음부터 받게 된다. } } else if (E_OnReceivedInQueue != null) //직접처리하지 않았으므로, queue에 넣어줌.. { queue.enqueueFrom(buffer, 0, totalSize); _recvPos = RecvPositions.AfterQueueEntered; totalSize = 0; args.totalSize = queue.Size; if (E_OnReceivedInQueue != null) { E_OnReceivedInQueue(this, args); } } return(null); }