private static string _extSourceConnection; //!< IP address or name of the Scope
// shkv 3/4/2015 Fixing the external source issue.
/// <summary>
/// Instantiate the %SCOPE class if it is not already open
/// </summary>
/// <param name="create">Each time you call GetScope(), you need to pass "true" if you want a new session, "false" if you are just looking up the existing session</param>
/// <returns>Return new or existing session</returns>
public static EXTSOURCE GetExtSource(bool create = true)
{
if (create == true)
{
TekVISANet.VISA EXTSOURCEVisaSession = new TekVISANet.VISA();
//_scope = new SCOPE(_scope.SCOPEVisaSession);
string status = "";
_extSourceConnection = AwgSetupSteps.ExtSourceConnectionIP;
_extSourceConnection = "TCPIP::" + _extSourceConnection + "::INSTR";
//bool openSuccessFul = EXTSOURCEVisaSession.Open(_extSourceConnection);
bool openSuccessFul = EXTSOURCEVisaSession.Open(_extSourceConnection, TekVISANet.TekVISADefs.AccessModes.VI_NO_LOCK, 90000, 5);
if (!openSuccessFul)
{
int retry = 4;
do
{
openSuccessFul = EXTSOURCEVisaSession.Open(_extSourceConnection);
} while ((--retry >= 0) && (!openSuccessFul));
try
{
status = _extSource.ErrorDescription();
}
catch (Exception)
{
status = "Object reference not set to an instance of an object.";
}
//See if the status string contains the word "Success"
Regex validatePreMatcher = new Regex(@"Success.+");
Match match = validatePreMatcher.Match(status);
// Check the status string to see if the operation was sucessful
if (!match.Success)
{
Assert.Inconclusive("Attempt to Open connection failed: " + status);
}
}
_extSource = new EXTSOURCE(EXTSOURCEVisaSession);
//! \TODO: Figure out how to test for a valid session and assert here if false
}
return(_extSource); // Otherwise, return the existing session
}
