private uint _msLengthInfo; //_ms里的有效长度
///<summary>
/// 网络中接收到数据的事件发生
///</summary>
///<param name="sender"></param>
///<param name="e"></param>
public void RecvInfoData(object sender, RecvDataEventArgs e)
{
while (_packetStartPosInfo < e.Length)
{
if (_bodyLenInfo == 0)
{
if ((_packetStartPosInfo + 3) < e.Length)
{
//获取包体长度
byte[] len = new byte[]
{
e.Data[_packetStartPosInfo], e.Data[_packetStartPosInfo + 1],
e.Data[_packetStartPosInfo + 2],
e.Data[_packetStartPosInfo + 3]
};
_bodyLenInfo = BitConverter.ToInt32(len, 0);
}
else
{
break;
}
}
//如果有一个完整包，解包
if (_packetStartPosInfo + 16 + _bodyLenInfo - _msLengthInfo < e.Length)
{
{
_msInfo.Write(e.Data, Convert.ToInt32(_packetStartPosInfo), Convert.ToInt32(17 + _bodyLenInfo - _msLengthInfo));
_packetStartPosInfo += 17 + (uint)_bodyLenInfo - _msLengthInfo;
InfoDataPacket dataPacket = InfoDataPacket.DecodePacket(_msInfo.ToArray(), Convert.ToInt32(17 + _bodyLenInfo));
_bodyLenInfo = 0;
_msInfo.Position = 0;
_msLengthInfo = 0;
if (dataPacket != null && dataPacket.IsResult)
{
//(new Thread(ProcessDataPacket)).Start(new CMRecvDataEventArgs(_ipAddressPort,
// dataPacket, e.Length));
}
}
}
else
{
break;
}
}
//有多余的字节，且不是一个完整包，存起来
if (e.Length > _packetStartPosInfo)
{
_msInfo.Write(e.Data, Convert.ToInt32(_packetStartPosInfo), Convert.ToInt32(e.Length - _packetStartPosInfo));
_msLengthInfo += (uint)(e.Length - _packetStartPosInfo);
}
else
{
_msLengthInfo = 0;
}
_packetStartPosInfo = 0;
}
public void ReceiveDataCallBack(TcpService tcpService, byte[] data)
{
try
{
DataPacket dataPacket = null;
if (tcpService == TcpService.JGFW)
{
Console.WriteLine("1");
}
switch (tcpService)
{
case TcpService.SSHQ:
case TcpService.LSHQ:
case TcpService.WPFW:
dataPacket = RealTimeDataPacket.DecodePacket(data, data.Length);
break;
case TcpService.DPZS:
case TcpService.JGFW:
case TcpService.GPZS:
case TcpService.JGLS:
dataPacket = OrgDataPacket.DecodePacket(data, data.Length);
break;
case TcpService.HQZX:
dataPacket = InfoDataPacket.DecodePacket(data, data.Length);
break;
}
if (dataPacket != null && dataPacket.IsResult)
{
if (DoCMReceiveData != null) //通知界面而已，对于数据的响应在这个类中完成。
{
DoCMReceiveData(this,
new CMRecvDataEventArgs(tcpService, dataPacket, data.Length));
}
}
}
catch (Exception e)
{
LogUtilities.LogMessage("ReceiveDataCallBack Error" + e.Message);
}
}
