public IEnumerable <object> LoadAvailableProvider(PsRequest request, string modulePath, Version requiredVersion, bool force)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (string.IsNullOrEmpty(modulePath))
{
throw new ArgumentNullException("modulePath");
}
EnsurePowerShellInitialized();
//Check if it is already in the cache table
var providersAlreadyImported = FindMatchedProvidersFromInternalCacheTable(request, modulePath).ToArray();
if (providersAlreadyImported.Any() && !force)
{
return(providersAlreadyImported);
}
//Trying to load it from the path directly
var pkgProvider = AnalyzeModule(request, modulePath, requiredVersion ?? new Version(0, 0), force);
if (pkgProvider != null)
{
return(new[] { pkgProvider }.WhereNotNull());
}
request.Error(PackageManagement.Internal.Constants.Messages.FailedToImportProvider,
ErrorCategory.InvalidOperation.ToString(), PowerShellGet, string.Format(CultureInfo.CurrentCulture, Resources.Messages.FailedToImportProvider, modulePath));
return(Enumerable.Empty <PackageProvider>());
}
// lock is on this instance only
internal void ReportErrors(PsRequest request, IEnumerable <ErrorRecord> errors)
{
foreach (var error in errors)
{
request.Error(error.FullyQualifiedErrorId, error.CategoryInfo.Category.ToString(), error.TargetObject == null ? null : error.TargetObject.ToString(), error.ErrorDetails == null ? error.Exception.Message : error.ErrorDetails.Message);
if (!string.IsNullOrWhiteSpace(error.Exception.StackTrace))
{
// give a debug hint if we have a script stack trace. How nice of us.
// the exception stack trace gives better stack than the script stack trace
request.Debug(Constants.ScriptStackTrace, error.Exception.StackTrace);
}
}
}
internal object CallPowerShell(PsRequest request, params object[] args) {
// the lock ensures that we're not re-entrant into the same powershell runspace
lock (_lock) {
if (!_reentrancyLock.WaitOne(0)) {
// this lock is set to false, meaning we're still in a call **ON THIS THREAD**
// this is bad karma -- powershell won't let us call into the runspace again
// we're going to throw an error here because this indicates that the currently
// running powershell call is calling back into PM, and it has called back
// into this provider. That's just bad bad bad.
throw new Exception("Reentrancy Violation in powershell module");
}
try {
// otherwise, this is the first time we've been here during this call.
_reentrancyLock.Reset();
_powershell.SetVariable("request", request);
_powershell.Streams.ClearStreams();
object finalValue = null;
ConcurrentBag<ErrorRecord> errors = new ConcurrentBag<ErrorRecord>();
request.Debug("INVOKING PowerShell Fn {0} with args {1} that has length {2}", request.CommandInfo.Name, String.Join(", ", args), args.Length);
var result = _powershell.InvokeFunction<object>(request.CommandInfo.Name,
(sender, e) => output_DataAdded(sender, e, request, ref finalValue),
(sender, e) => error_DataAdded(sender, e, request, errors),
args);
if (result == null)
{
// result is null but it does not mean that the call fails because the command may return nothing
request.Debug(Messages.PowershellScriptFunctionReturnsNull.format(_module.Name, request.CommandInfo.Name));
}
if (errors.Count > 0)
{
// report the error if there are any
ReportErrors(request, errors);
_powershell.Streams.Error.Clear();
}
return finalValue;
} catch (CmdletInvocationException cie) {
var error = cie.ErrorRecord;
request.Error(error.FullyQualifiedErrorId, error.CategoryInfo.Category.ToString(), error.TargetObject == null ? null : error.TargetObject.ToString(), error.ErrorDetails == null ? error.Exception.Message : error.ErrorDetails.Message);
} finally {
lock (_stopLock) {
if (_stopResult != null){
_powershell.EndStop(_stopResult);
_stopResult = null;
}
}
_powershell.Clear();
_powershell.SetVariable("request", null);
// it's ok if someone else calls into this module now.
request.Debug("Done calling powershell", request.CommandInfo.Name, _module.Name);
_reentrancyLock.Set();
}
return null;
}
}
// lock is on this instance only
internal void ReportErrors(PsRequest request, IEnumerable<ErrorRecord> errors) {
foreach (var error in errors) {
request.Error(error.FullyQualifiedErrorId, error.CategoryInfo.Category.ToString(), error.TargetObject == null ? null : error.TargetObject.ToString(), error.ErrorDetails == null ? error.Exception.Message : error.ErrorDetails.Message);
if (!string.IsNullOrWhiteSpace(error.Exception.StackTrace)) {
// give a debug hint if we have a script stack trace. How nice of us.
// the exception stack trace gives better stack than the script stack trace
request.Debug(Constants.ScriptStackTrace, error.Exception.StackTrace);
}
}
}
public IEnumerable<object> LoadAvailableProvider(PsRequest request, string modulePath, Version requiredVersion, bool force) {
if (request == null) {
throw new ArgumentNullException("request");
}
if (string.IsNullOrEmpty(modulePath)) {
throw new ArgumentNullException("modulePath");
}
EnsurePowerShellInitialized();
//Check if it is already in the cache table
var providersAlreadyImported = FindMatchedProvidersFromInternalCacheTable(request, modulePath).ToArray();
if (providersAlreadyImported.Any() && !force) {
return providersAlreadyImported;
}
//Trying to load it from the path directly
var pkgProvider = AnalyzeModule(request, modulePath, requiredVersion ?? new Version(0, 0), force);
if (pkgProvider != null) {
return new[] { pkgProvider }.WhereNotNull();
}
request.Error(PackageManagement.Internal.Constants.Messages.FailedToImportProvider,
ErrorCategory.InvalidOperation.ToString(), PowerShellGet, string.Format(CultureInfo.CurrentCulture, Resources.Messages.FailedToImportProvider, modulePath));
return Enumerable.Empty<PackageProvider>();
}
internal object CallPowerShell(PsRequest request, params object[] args)
{
// the lock ensures that we're not re-entrant into the same powershell runspace
lock (_lock) {
if (!_reentrancyLock.WaitOne(0))
{
// this lock is set to false, meaning we're still in a call **ON THIS THREAD**
// this is bad karma -- powershell won't let us call into the runspace again
// we're going to throw an error here because this indicates that the currently
// running powershell call is calling back into PM, and it has called back
// into this provider. That's just bad bad bad.
throw new Exception("Reentrancy Violation in powershell module");
}
try {
// otherwise, this is the first time we've been here during this call.
_reentrancyLock.Reset();
_powershell.SetVariable("request", request);
_powershell.Streams.ClearStreams();
object finalValue = null;
ConcurrentBag <ErrorRecord> errors = new ConcurrentBag <ErrorRecord>();
request.Debug("INVOKING PowerShell Fn {0} with args {1} that has length {2}", request.CommandInfo.Name, String.Join(", ", args), args.Length);
var result = _powershell.InvokeFunction <object>(request.CommandInfo.Name,
(sender, e) => output_DataAdded(sender, e, request, ref finalValue),
(sender, e) => error_DataAdded(sender, e, request, errors),
args);
if (result == null)
{
// result is null but it does not mean that the call fails because the command may return nothing
request.Debug(Messages.PowershellScriptFunctionReturnsNull.format(_module.Name, request.CommandInfo.Name));
}
if (errors.Count > 0)
{
// report the error if there are any
ReportErrors(request, errors);
_powershell.Streams.Error.Clear();
}
return(finalValue);
} catch (CmdletInvocationException cie) {
var error = cie.ErrorRecord;
request.Error(error.FullyQualifiedErrorId, error.CategoryInfo.Category.ToString(), error.TargetObject == null ? null : error.TargetObject.ToString(), error.ErrorDetails == null ? error.Exception.Message : error.ErrorDetails.Message);
} finally {
lock (_stopLock) {
if (_stopResult != null)
{
_powershell.EndStop(_stopResult);
_stopResult = null;
}
}
_powershell.Clear();
_powershell.SetVariable("request", null);
// it's ok if someone else calls into this module now.
request.Debug("Done calling powershell", request.CommandInfo.Name, _module.Name);
_reentrancyLock.Set();
}
return(null);
}
}
