public ModBusResponseHeader(ModBusRequestHeader modBusReqHeader) : this()
{
this.TransId = modBusReqHeader.TransId;
this.UnitId = modBusReqHeader.UnitId;
this.StartAddr = modBusReqHeader.StartAddr;
this.RegisNum = modBusReqHeader.RegisNum;
}
/// <summary>
/// 作为服务器接收PLC数据
/// </summary>
/// <returns></returns>
public void ServerReceive()
{
while (null != this.socketServerWrapper.TempClientSocket)
{
//接收PLC客户端发送过来的消息并回复
byte[] receiveBuf = new byte[256];
if (this.socketServerWrapper.Read(receiveBuf))
{
ModBusRequestHeader tempModBusReqHeader = new ModBusRequestHeader(receiveBuf, 0);
ModBusResponseHeader respHeader = new ModBusResponseHeader(tempModBusReqHeader);
//将接收到的数据追加到消息队列中
PLCData data = new PLCData(receiveBuf, ModBusRequestHeader.TotalLength);
lock (BasicData.PLCQueue)
{
BasicData.PLCQueue.Enqueue(data);
}
byte[] resp = new byte[ModBusResponseHeader.TotalLength];
respHeader.ToBytes(resp, 0);
//默认回复PLC ModBus protocol头
this.socketServerWrapper.Write(resp);
}
else //客户端终端连接
{
Flag.PLCConnected = false;
this.socketServerWrapper.TempClientSocket.Close();
this.socketServerWrapper.TempClientSocket = null;
Log.Write("Server： PLC断开了连接.");
}
}
//重新监听
Listen();
}
public ModBusRequest()
{
ModBusReqHeader = new ModBusRequestHeader();
ModBusReqBody = new ModBusRequestBody();
}
public ModBusRequest()
{
ModBusReqHeader = new ModBusRequestHeader();
ModBusReqBody = new ModBusRequestBody();
}
public ModBusResponseHeader(ModBusRequestHeader modBusReqHeader)
: this()
{
this.TransId = modBusReqHeader.TransId;
this.UnitId = modBusReqHeader.UnitId;
this.StartAddr = modBusReqHeader.StartAddr;
this.RegisNum = modBusReqHeader.RegisNum;
}