/// <summary> /// 解析数据,收到一包有效数据后,添加到消息队列 /// </summary> /// <param name="recvBytes">接收到的数据</param> /// <param name="recvCount">接收到的数据长度</param> /// <param name="client">客户端</param> /// <param name="parseCount">解析计数器</param> /// <param name="arrayParse">解析缓冲区</param> public void ParseAndAddMessageToQueue(byte[] RecvBytes, int RecvCount, TcpClient Client, ref int parseCount, byte[] arrayParse) { //匹配比较数组, -1表示不需要比较,忽略 int[] arrayCompare = new int[Message.MessageLength] { Message.MessStartCode, Message.MessVID1, Message.MessVID2, -1, Message.MessRightState, -1, Message.MessStationCode, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, Message.MessEndCode, }; for (int i = 0; i < RecvCount; i++) { if (arrayCompare[parseCount] != -1) //需要匹配 { if (RecvBytes[i] == arrayCompare[parseCount]) //相等 { arrayParse[parseCount++] = RecvBytes[i]; } else //不相等,复位计数器 { parseCount = 0; } } else //不需要比较,直接赋值,并更新计数器 { arrayParse[parseCount++] = RecvBytes[i]; } if (parseCount >= Message.MessageLength) { parseCount = 0; //和校验 if (MyMath.CheckSum(arrayParse, Message.MessageLength)) //分析数据,把数据添加到队列m_TcpMeas { TcpMeasType MeasType = TcpMeasType.MEAS_TYPE_NONE; byte MeasCode = 0; if (arrayParse[Message.MessageCommandIndex] == (byte)Message.MessageCodePLC.GetCurStationState) //根据命令码区分消息类型 { MeasType = TcpMeasType.MEAS_TYPE_PLC; MeasCode = arrayParse[Message.MessageCommandIndex]; } TcpMeas TempMeas = new TcpMeas(); if (TempMeas != null) { TempMeas.Client = Client; TempMeas.MeasType = MeasType; TempMeas.MeasCode = MeasCode; Array.Copy(RecvBytes, TempMeas.Param, TempMeas.Param.Length); m_RecvMeasQueue.Enqueue(TempMeas); } } else //校验和错误,则更新错误码后发回 { arrayParse[Message.MessageStateIndex] = Message.MessErrorState; using (NetworkStream stream = Client.GetStream()) { stream.Write(arrayParse, 0, arrayParse.Length); } } } } }