} // IPWTCPort_OnReadyToSend
private void OnDataIn(IAGWEngineWindow window, byte[] buffer, int length)
{
int intDataLength;
while (true)
{
try
{
if (buffer == null)
{
break;
}
Globals.ConcatanateByteArrays(ref bytTCPData, buffer); // Add data to buffer array
if (bytTCPData.Length < 36)
{
break; // not a complete frame header
}
intDataLength = Globals.ComputeLengthL(bytTCPData, 28); // get and decode the data length field from the header
if (bytTCPData.Length < 36 + intDataLength)
{
break; // not A complete "G" frame...
}
if (((char)bytTCPData[4]).ToString() != "G")
{
bytTCPData = new byte[0];
return;
}
_testWaitHandle.Set();
window.SetRemoteButtonStatus(true, IAGWEngineWindow.ButtonStatus.SUCCESS);
objTCPPort.Close();
objTCPPort = null;
}
catch (Exception ex)
{
_log.Error("[AGWEngine, tcpOnDataIn] " + ex.Message);
window.SetRemoteButtonStatus(true, IAGWEngineWindow.ButtonStatus.FAILED);
}
break;
}
Task <int> t = null;
try
{
t = objTCPPort.GetStream().ReadAsync(buffer, 0, 1024);
t.ContinueWith(k =>
{
OnDataIn(window, buffer, k.Result);
});
t.Wait(0);
}
catch (Exception e)
{
// empty
}
} // objTCPPort_OnDataIn
private void OnConnected(TcpClient sender, IAGWEngineWindow window, string username, string password)
{
if (!string.IsNullOrEmpty(username))
{
LoginAGWRemote(window, username, password); // do a secure AGWPE login
}
bytTCPData = new byte[0];
RequestAGWPortInfo(window); // Request port info from AGWPE
} // IPWTCPort_OnReadyToSend
public void TestProposedSettings(IAGWEngineWindow window, string host, int port, string userId, string password)
{
if (objTCPPort != null)
{
objTCPPort.Close();
objTCPPort = null;
}
objTCPPort = new TcpClient();
if (Globals.strLocalIPAddress != "Default")
{
objTCPPort.Client.Bind(new IPEndPoint(IPAddress.Parse(Globals.strLocalIPAddress), 0));
}
_testWaitHandle.Reset();
objTCPPort.ConnectAsync(host.Trim(), port).ContinueWith(t =>
{
OnConnected(objTCPPort, window, userId.Trim(), password.Trim());
byte[] buffer = new byte[1024];
Task <int> task = null;
try
{
task = objTCPPort.GetStream().ReadAsync(buffer, 0, 1024);
task.ContinueWith(t =>
{
OnDataIn(window, buffer, t.Result);
});
task.Wait(0);
}
catch (Exception e)
{
// empty
}
}).Wait(0);
if (!_testWaitHandle.WaitOne(10000))
{
throw new TimeoutException();
}
else
{
window.SetRemoteButtonStatus(true, IAGWEngineWindow.ButtonStatus.SUCCESS);
}
}
} // objTCPPort_OnDataIn
private void LoginAGWRemote(IAGWEngineWindow window, string username, string password)
{
// Private Sub to Login to remote AGWPE with UserID and password ("P" Frame)...
try
{
var bytTemp2 = new byte[546];
var asc = new ASCIIEncoding(); // had to declare this to eliminate an ocasional error
asc.GetBytes("P", 0, 1, bytTemp2, 4);
Array.Copy(Globals.ComputeLengthB(255 + 255), 0, bytTemp2, 28, 4);
asc.GetBytes(username, 0, username.Length, bytTemp2, 36);
asc.GetBytes(password, 0, password.Length, bytTemp2, 36 + 255);
objTCPPort.GetStream().Write(bytTemp2, 0, bytTemp2.Length);;
}
catch (Exception ex)
{
_log.Error("[AGWEngine, LoginAGWRemote] " + ex.Message);
_testWaitHandle.Set();
window.SetRemoteButtonStatus(true, IAGWEngineWindow.ButtonStatus.FAILED);
}
} // LoginAGWRemote
} // LoginAGWRemote
private void RequestAGWPortInfo(IAGWEngineWindow window)
{
// Private Sub to Request AGW Port Information ("G" Frame)...
var bytTemp = new byte[36];
try
{
if (!objTCPPort.Connected)
{
return;
}
bytTemp[4] = (byte)Globals.Asc('G');
objTCPPort.GetStream().Write(bytTemp, 0, bytTemp.Length);;
}
catch (Exception ex)
{
_log.Error("[AGWEngine, RequestAGWPortInfo] " + ex.Message);
_testWaitHandle.Set();
window.SetRemoteButtonStatus(true, IAGWEngineWindow.ButtonStatus.FAILED);
}
} // RequestAGWPortInfo
