/// <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);
}
}
}
}
}