internal Exception GetExceptionIfBrokenSession(
CimSession potentiallyBrokenSession,
bool skipTestConnection,
out bool sessionWasAlreadyTerminated)
{
if (IsSessionTerminated(potentiallyBrokenSession))
{
sessionWasAlreadyTerminated = true;
return(null);
}
Exception sessionException = null;
if (!skipTestConnection &&
!this.DidSessionAlreadyPassedConnectivityTest(potentiallyBrokenSession))
{
try
{
CimInstance throwAwayCimInstance;
CimException cimException;
potentiallyBrokenSession.TestConnection(out throwAwayCimInstance, out cimException);
sessionException = cimException;
if (sessionException == null)
{
this.MarkSessionAsConnected(potentiallyBrokenSession);
}
}
catch (InvalidOperationException invalidOperationException)
{
sessionException = invalidOperationException;
}
}
if (sessionException != null)
{
MarkSessionAsTerminated(potentiallyBrokenSession, out sessionWasAlreadyTerminated);
return(sessionException);
}
else
{
sessionWasAlreadyTerminated = false;
return(null);
}
}
private static IEnumerable <CimModule> GetCimModules(CimSession cimSession, Uri resourceUri, string cimNamespace, string moduleNamePattern, bool onlyManifests, Cmdlet cmdlet, CancellationToken cancellationToken)
{
Func <CimModule, CimModule> selector = null;
WildcardPattern wildcardPattern = new WildcardPattern(moduleNamePattern, WildcardOptions.CultureInvariant | WildcardOptions.IgnoreCase);
string optionValue = WildcardPatternToDosWildcardParser.Parse(wildcardPattern);
CimOperationOptions options = new CimOperationOptions {
CancellationToken = new CancellationToken?(cancellationToken)
};
options.SetCustomOption("PS_ModuleNamePattern", optionValue, false);
if (resourceUri != null)
{
options.ResourceUri = resourceUri;
}
if (string.IsNullOrEmpty(cimNamespace) && (resourceUri == null))
{
cimNamespace = "root/Microsoft/Windows/Powershellv3";
}
IEnumerable <CimModule> source = from cimInstance in cimSession.EnumerateInstances(cimNamespace, "PS_Module", options)
select new CimModule(cimInstance) into cimModule
where wildcardPattern.IsMatch(cimModule.ModuleName)
select cimModule;
if (!onlyManifests)
{
if (selector == null)
{
selector = delegate(CimModule cimModule) {
cimModule.FetchAllModuleFiles(cimSession, cimNamespace, options);
return(cimModule);
};
}
source = source.Select <CimModule, CimModule>(selector);
}
return(EnumerateWithCatch <CimModule>(source, delegate(Exception exception) {
ErrorRecord errorRecord = GetErrorRecordForRemoteDiscoveryProvider(exception);
if (!cmdlet.MyInvocation.ExpectingInput && (((-1 != errorRecord.FullyQualifiedErrorId.IndexOf("DiscoveryProviderNotFound", StringComparison.OrdinalIgnoreCase)) || cancellationToken.IsCancellationRequested) || ((exception is OperationCanceledException) || !cimSession.TestConnection())))
{
cmdlet.ThrowTerminatingError(errorRecord);
}
cmdlet.WriteError(errorRecord);
}));
}
private static IEnumerable <CimModule> GetCimModules(
CimSession cimSession,
Uri resourceUri,
string cimNamespace,
string moduleNamePattern,
bool onlyManifests,
Cmdlet cmdlet,
CancellationToken cancellationToken)
{
Dbg.Assert(cimSession != null, "Caller should verify cimSession != null");
Dbg.Assert(moduleNamePattern != null, "Caller should verify that moduleNamePattern != null");
const WildcardOptions wildcardOptions = WildcardOptions.IgnoreCase | WildcardOptions.CultureInvariant;
var wildcardPattern = WildcardPattern.Get(moduleNamePattern, wildcardOptions);
string dosWildcard = WildcardPatternToDosWildcardParser.Parse(wildcardPattern);
var options = new CimOperationOptions {
CancellationToken = cancellationToken
};
options.SetCustomOption("PS_ModuleNamePattern", dosWildcard, mustComply: false);
if (resourceUri != null)
{
options.ResourceUri = resourceUri;
}
if (string.IsNullOrEmpty(cimNamespace) && (resourceUri == null))
{
cimNamespace = DiscoveryProviderNamespace;
}
// TODO/FIXME: ETW for method invocation
IEnumerable <CimInstance> syncResults = cimSession.EnumerateInstances(
cimNamespace,
DiscoveryProviderModuleClass,
options);
// TODO/FIXME: ETW for method results
IEnumerable <CimModule> cimModules = syncResults
.Select(cimInstance => new CimModule(cimInstance))
.Where(cimModule => wildcardPattern.IsMatch(cimModule.ModuleName));
if (!onlyManifests)
{
cimModules = cimModules.Select(
delegate(CimModule cimModule)
{
cimModule.FetchAllModuleFiles(cimSession, cimNamespace, options);
return(cimModule);
});
}
return(EnumerateWithCatch(
cimModules,
delegate(Exception exception)
{
ErrorRecord errorRecord = GetErrorRecordForRemoteDiscoveryProvider(exception);
if (!cmdlet.MyInvocation.ExpectingInput)
{
if (((-1) != errorRecord.FullyQualifiedErrorId.IndexOf(DiscoveryProviderNotFoundErrorId, StringComparison.OrdinalIgnoreCase)) ||
(cancellationToken.IsCancellationRequested || (exception is OperationCanceledException)) ||
(!cimSession.TestConnection()))
{
cmdlet.ThrowTerminatingError(errorRecord);
}
}
cmdlet.WriteError(errorRecord);
}));
}
/// <summary> /// Test the connection /// </summary> /// <returns>true if connection alive, otherwise false</returns> public bool TestConnection() => _connection.TestConnection();