public void OnDataReceived(IAsyncResult asyn)
{
PacketSocket psoc = (PacketSocket)asyn.AsyncState;
try
{
if (!psoc.currentSocket.Connected)
{
return;
}
IPEndPoint ep = ((IPEndPoint)psoc.currentSocket.RemoteEndPoint);
int iRx = psoc.currentSocket.EndReceive(asyn);
if (iRx < 1)
{
return;
}
CmdReqBase request = new CmdReqBase();
string sLine = "";
while (true)
{
int r = ReadLine(ref sLine, psoc.currentSocket);
if (r == 0)
{
return;
}
if (r <= 0)
{
throw new Exception("Read data error!");
}
if (sLine.Trim() == "DONE")
{
break;
}
ParseLine(sLine, request);
}
_Log.Write(LogType.Debug, "Receive Command Success! Command Data as follow:------", true);
PackageLog.WritePkgLog((object)request, _Log);
_Log.Write(LogType.Debug, "---------------Command data end!-------------", true);
// Treate Command
CmdRespBase response = new CmdRespBase();
if (OnClientDataReceived != null)
{
OnClientDataReceived(request, response);
}
// Response Command
sLine = "ErrorCode=" + response.ErrorCode;
SendLine(sLine, psoc.currentSocket);
for (int i = 0; i < response.GetParamCount(); i++)
{
sLine = response.GetParamName(i) + "=" + response.GetParamValue(i);
SendLine(sLine, psoc.currentSocket);
}
sLine = "DONE";
SendLine(sLine, psoc.currentSocket);
_Log.Write(LogType.Debug, "Send Command Response Success! Command Data as follow:-----", true);
PackageLog.WritePkgLog(response, _Log);
_Log.Write(LogType.Debug, "---------------Command data end!-------------", true);
// Continue the waiting for data on the Socket
// WaitForData(psoc, psoc.SocketID); //not need to wait for next request!once connect and disconnecct
psoc.currentSocket.Close();
_socketList.Delete(psoc.SocketID);
}
catch (ObjectDisposedException)
{
//System.Diagnostics.Debugger.Log(0, "1", "\r\nOnDataReceived: Socket has been closed\r\n");
_Log.Write(LogType.Error, "\r\nOnDataReceived: Socket has been closed\r\n", true);
}
catch (SocketException se)
{
if (se.ErrorCode == 10054) // Error code for Connection reset by peer
{
string logmsg = "\r\nClient " + " Disconnected" + "\r\n";
_Log.Write(LogType.Error, logmsg, true);
// Remove the reference to the worker socket of the closed client
// so that this object will get garbage collected
psoc.currentSocket.Close();
_socketList.Delete(psoc.SocketID);
}
else
{
_Log.Write(se);
}
}
catch (Exception exx)
{
_Log.Write(exx);
}
}
public CmdRespBase SendCommand(CmdReqBase Request)
{
try
{
if (!this.IsConnected)
{
if (!Connect())
{
return(null);
}
}
#region Send
try
{
_Log.Write(LogType.Debug, "----------- Send Command Begin...-----------\r\n", true);
//send command
SendLine("Command=" + Request.Command);
//send parameter
for (int i = 0; i < Request.GetParamCount(); i++)
{
SendLine(Request.GetParamName(i) + "=" + Request.GetParamValue(i));
}
//send DONE
SendLine("DONE");
// log
PackageLog.WritePkgLog(Request, _Log);
_Log.Write(LogType.Debug, "------------ Send Command Success!----------\r\n", true);
}
catch (Exception ex)
{
PackageLog.WritePkgLog(Request, _Log);
_Log.Write(LogType.Error, "---------- Send Command Failure!------------\r\n", true);
throw ex;
}
#endregion
#region Receive
try
{
this.ResetCache();
_Log.Write(LogType.Debug, "----------- Receive Response Begin...-------\r\n", true);
CmdRespBase response;
if (CommandToken.IsNewPatient(Request.Command))
{
response = new CmdRespNewPatient();
}
else
{
response = new CmdRespBase();
}
string sLine = "";
int r = ReadLine(ref sLine);
while (r > 0)
{
if (sLine == "DONE")
{
break;
}
else
{
ParseLine(sLine, response);
}
r = ReadLine(ref sLine);
}
if (r > 0)
{
PackageLog.WritePkgLog(response, _Log);
_Log.Write(LogType.Debug, "----------- Receive Response Success!-------\r\n", true);
return(response);
}
else
{
_Log.Write(LogType.Error, "Recive response Failure\r\nReceived byte as follow:\r\n" + this.GetCatchHexString(), true);
return(null);
}
}
catch (Exception ex)
{
_Log.Write(LogType.Error, "Recive response Failure\r\nReceived byte as follow:\r\n" + this.GetCatchHexString(), true);
throw ex;
}
#endregion
}
catch (ObjectDisposedException)
{
_Log.Write(LogType.Error, "OnDataReceived: Socket has been closed\r\n");
return(null);
}
catch (SocketException se)
{
if (se.ErrorCode == 10054) // Error code for Connection reset by peer
{
string logmsg = "Server " + _ServerIP + ":" + _ServerPort.ToString() + " Disconnected" + "\r\n";
_Log.Write(LogType.Error, logmsg, true);
return(null);
}
else
{
_Log.Write(se);
return(null);
}
}
catch (Exception ex)
{
_Log.Write(ex);
return(null);
}
}