public bool Connect()
{
try
{
byte[] bytStatus = new byte[1];
int num = MXIO_CS.MXEIO_Init();
switch (MXIO_CS.MXEIO_E1K_Connect(Encoding.UTF8.GetBytes(this.ipAddress), this.port, this.timeOut, this.hConnection, Encoding.UTF8.GetBytes(this.password)))
{
case 0:
switch (MXIO_CS.MXEIO_CheckConnection(this.hConnection[0], this.timeOut, bytStatus))
{
case 0:
return(true);
case 0x7d1:
case 0xfa2:
MXIO_CS.MXEIO_Exit();
break;
}
return(false);
case 0x7d1:
case 0xfa2:
MXIO_CS.MXEIO_Exit();
break;
}
return(false);
}
catch (Exception exception)
{
CLog.WriteErrLogInTrace(string.Format("在连接IOLogik时出错，{0}", exception.Message));
return(false);
}
}
public override void Open()
{
int ret;
Manager.Logger.Log(LogLevel.INFO, "IP address: {0}", IP);
Manager.Logger.Log(LogLevel.INFO, "Port: {0}", Port);
// Ping.
Ping ping = new Ping();
PingReply rep;
rep = ping.Send(IP, (int)Manager.Timeout);
if (rep.Status != IPStatus.Success)
{
throw new MXIOException("Cannot reach the IO module.");
}
// Connect.
int[] conn = new int[1];
ret = MXIO_CS.MXEIO_E1K_Connect(Encoding.UTF8.GetBytes(IP), Port, Manager.Timeout, conn, new byte[0]);
if (ret != MXIO_CS.MXIO_OK)
{
throw new MXIOException("MXEIO_E1K_Connect failed: {0}.", ret);
}
this.connection = conn[0];
// Check connection.
byte[] bytCheckStatus = new byte[1];
ret = MXIO_CS.MXEIO_CheckConnection(connection, Manager.Timeout, bytCheckStatus);
if (ret != MXIO_CS.MXIO_OK)
{
throw new MXIOException("MXEIO_CheckConnection failed: {0}.", ret);
}
if (bytCheckStatus[0] != MXIO_CS.CHECK_CONNECTION_OK)
{
string msg;
switch (bytCheckStatus[0])
{
case MXIO_CS.CHECK_CONNECTION_FAIL:
msg = "fail";
break;
case MXIO_CS.CHECK_CONNECTION_TIME_OUT:
msg = "timeout";
break;
default:
msg = "unknown: " + bytCheckStatus[0];
break;
}
throw new MXIOException("MXEIO_CheckConnection status failed: {0}.", msg);
}
}
private void CheckConnection(bool attemptReconnect)
{
// Check Connection
Connected = false;
byte[] checkStatus = new byte[1];
MoxaStatus status = (MoxaStatus)MXIO_CS.MXEIO_CheckConnection(_hConn[0], _timeout, checkStatus);
if (status != MoxaStatus.Ok)
{
throw new IOException(this, String.Format("Failed to check connection to Moxa ioLogic1200 device '{0}'.", Name));
}
if (checkStatus[0] == MXIO_CS.CHECK_CONNECTION_OK)
{
Connected = true;
return;
}
if (attemptReconnect)
{
status = (MoxaStatus)MXIO_CS.MXEIO_E1K_Connect(_ipAddress, _port, _timeout, _hConn, _password);
if (status == MoxaStatus.Ok)
{
if (Logging)
{
Log.Trace(IOComponent.Instance.Name).Warn(this.ToString(), "Connection to Moxa ioLogic1200 device restored.");
}
return;
}
}
switch (checkStatus[0])
{
case MXIO_CS.CHECK_CONNECTION_FAIL:
throw new IOException(this, String.Format("Connection failed to Moxa ioLogic1200 device '{0}'.", Name));
case MXIO_CS.CHECK_CONNECTION_TIME_OUT:
throw new IOException(this, String.Format("Connection timed-out to Moxa ioLogic1200 device '{0}'.", Name));
default:
throw new IOException(this, String.Format("Unknown connection failure ({1}) to Moxa ioLogic1200 device '{0}'.", Name, checkStatus[0]));
}
}
private int CheckConnection(bool ShowDialog)
{
//--------------------------------------------------------------------------
//Check Connection
byte[] bytCheckStatus = new byte[1];
ret = MXIO_CS.MXEIO_CheckConnection(hConnection[0], ioLogicTimeout, bytCheckStatus);
MXEIO_Error.CheckErr(ret, "MXEIO_CheckConnection");
if (ret == MXIO_CS.MXIO_OK)
{
switch (bytCheckStatus[0])
{
case MXIO_CS.CHECK_CONNECTION_OK:
if (ShowDialog)
{
tbCommunication.AppendText(string.Format("MXEIO_CheckConnection: Check connection ok => {0}{1}", bytCheckStatus[0], "\r\n"));
}
break;
case MXIO_CS.CHECK_CONNECTION_FAIL:
if (ShowDialog)
{
tbCommunication.AppendText(string.Format("MXEIO_CheckConnection: Check connection fail => {0}{1}", bytCheckStatus[0], "\r\n"));
}
break;
case MXIO_CS.CHECK_CONNECTION_TIME_OUT:
if (ShowDialog)
{
tbCommunication.AppendText(string.Format("MXEIO_CheckConnection: Check connection time out => {0}{1}", bytCheckStatus[0], "\r\n"));
}
break;
default:
if (ShowDialog)
{
tbCommunication.AppendText(string.Format("MXEIO_CheckConnection: Check connection status unknown => {0}{1}", bytCheckStatus[0], "\r\n"));
}
break;
}
}
return(ret);
//--------------------------------------------------------------------------
}