public void readMore() { int size = 0; try { size = _uSocket.ReceiveFrom(_tempBuff, ref _remoteEP); if (size > 0) { _queue.enqueueFrom(_tempBuff, 0, size); } } catch (Exception e) { Console.WriteLine("socket exception" + e.ToString()); return; } }
public int readMore() { int size = 0; try { int available = _uSocket.Available; Byte[] buff; if (available > 0) { buff = new Byte[available]; size = _uSocket.ReceiveFrom(buff, 0, available, SocketFlags.None, ref _remoteEP); } else { buff = _tempRecvBuffer; //available이 0일때는 다음에 도착할 header를 기다린다. _uSocket.Blocking = true; size = _uSocket.ReceiveFrom(buff, ref _remoteEP); } if (size > 0) { if (size == buff.Length) { _queue.Enqueue(buff); } else { _queue.enqueueFrom(buff, 0, size); } } return(size); } catch (Exception e) { Console.WriteLine("socket exception" + e.ToString()); return(-1); } }
// 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.."); }
private void recvLoop() { int id = _threadId;//계속 가지고있음.. Console.WriteLine("server ready..."); TcpClient conn = _clients[id]; Console.WriteLine("accept client!"); //_sh.setStream(_client.GetStream(),_client.Client); BeginAClient(); // try // { //_isRecvThreadRunning = true; _totalSize = 0; int errorCount = 0; while (id == _threadId) //현재 thread가 최근 thread가 아니면 나감.. { int size = 0; try { if (id != _threadId) { return; // } size = conn.Client.Receive(_tempRecvBuffer, _totalSize, 1, SocketFlags.None); //일단 1개를 받음.. _recvPos = RecvPositions.AfterRecved; if (conn.Available > 0) { size += conn.Client.Receive(_tempRecvBuffer, _totalSize + 1, conn.Available, SocketFlags.None); //나머지를 받음. } if (size <= 0) { errorCount++; //접속된 직후 이 경우가 있을 수 있으므로.. if (errorCount > 1) { if (conn.Client == null || conn.Client.Blocking == false || conn.Client.Connected == false) { //루프에서 나간다. break; } else { try { conn.Close(); } catch { } conn = null; break; } } } else { errorCount = 0; } } catch { if (E_NetError != null && id == _threadId) { E_NetError(this, new NetworkErrorEventArgs(_id, NetworkErrorEventArgs.NetErrorMsg.FAIL_WHEN_RECV_MSG)); } break; } _totalSize += size; TransferEventArgs args = new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _totalSize, ""); args.TempBuffer = _tempRecvBuffer; if (E_OnCanReceive != null && id == _threadId) { 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(_tempRecvBuffer, args.UsedSize, _tempRecvBuffer, 0, _totalSize - args.UsedSize); _totalSize -= args.UsedSize; } } else if (E_OnReceivedInQueue != null) //직접처리하지 않았으므로, queue에 넣어줌.. { _queue.enqueueFrom(_tempRecvBuffer, 0, _totalSize); _recvPos = RecvPositions.AfterQueueEntered; _totalSize = 0; args.totalSize = _queue.Size; if (E_OnReceivedInQueue != null && id == _threadId) { E_OnReceivedInQueue(this, args); } } #region old /* * * int available = _server.Available; * * int size = 0; * try * { * size = _server.Client.Receive(_tempRecvBuffer, 0, available, SocketFlags.None); * //size = _uSocket.ReceiveFrom(_tempRecvBuffer, ref _remoteEP);// 0, available, SocketFlags.None); ; * } * catch * { * break; * } * * if (size <= 0) * { * if (_server.Client == null || _server.Client.Blocking == false || _server.Client.Connected == false) * { * //루프에서 나간다. * break; * } * } * TransferEventArgs args = new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, size, ""); * if (E_OnReceived != null) E_OnReceived(this, args); * * if (args.IsHandled == false) * { * Byte[] buff = new byte[size]; * Buffer.BlockCopy(_tempRecvBuffer, 0, buff, 0, size); * _queue.enqueueFrom(buff); * args = new TransferEventArgs(_id, TransferEventArgs.TransferMode.Receive, size, _queue.Size, ""); * * if (E_OnQueueEntered != null) E_OnQueueEntered(this, args); * } */ /* * if (available > 0) * { * buff = new Byte[available]; * size = _server.Client.Receive(buff, 0, available, SocketFlags.None); * Win32APIs.SendMsgData("recved:" + size, "LogWindow"); * } * else * { * buff = new byte[_headerSize]; //available이 0일때는 다음에 도착할 header를 기다린다. * size = _server.Client.Receive(buff, 0, _headerSize, SocketFlags.None); * } * if (_isDisposing) * { * _isEndConnection = true; * return; //thread를 끝낸다. connection이나 neterror 이벤트를 발생시키지 않는다. * } * 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; */ #endregion } // } // catch (Exception e) { // throw; // } _clients[id] = null; // _isRecvThreadRunning = false; //_isEndConnection = false; FinishAClient(); if (E_NetError != null && id == _threadId) { E_NetError(this, new NetworkErrorEventArgs(_id, NetworkErrorEventArgs.NetErrorMsg.RECV_THREAD_FINISHED)); } //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) { return(_callBackFunc(buffer, socket, id, this)); } int size = 0; try { if (_recvMode == ReceiveModes.Header) { size = socket.Receive(buffer, 0, _headerSize, SocketFlags.None); } else if (_recvMode == ReceiveModes.Data) { size = socket.Receive(buffer, 0, _dataSizeToGet, SocketFlags.None); } else //all { 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; #region when size <= 0 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; } #endregion } catch { if (E_NetError != null) { E_NetError(this, new NetworkErrorEventArgs(id, NetworkErrorEventArgs.NetErrorMsg.FAIL_WHEN_RECV_MSG)); } return(true); } TransferEventArgs args; if (_recvMode == ReceiveModes.Header || _recvMode == ReceiveModes.Data) { args = new TransferEventArgs(id, buffer, TransferEventArgs.TransferMode.Receive, size, size, ""); args.ReceiveMode = _recvMode; } else //if (_recvMode == ReceiveModes.All) { totalSize += size; args = new TransferEventArgs(id, buffer, TransferEventArgs.TransferMode.Receive, size, totalSize, ""); args.ReceiveMode = _recvMode; } if (E_OnCanReceive != null) { E_OnCanReceive(this, args); } if (_recvMode == ReceiveModes.All) { _recvMode = args.ReceiveMode; _dataSizeToGet = args.DataSizeToGet; 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 = new TransferEventArgs(id, buffer, TransferEventArgs.TransferMode.Receive, size, queue.Size, ""); if (E_OnReceivedInQueue != null) { E_OnReceivedInQueue(this, args); } } } else if (_recvMode == ReceiveModes.Header) { _recvMode = args.ReceiveMode; _dataSizeToGet = args.DataSizeToGet; } else if (_recvMode == ReceiveModes.Data) { _recvMode = args.ReceiveMode; _dataSizeToGet = args.DataSizeToGet; } return(null); }