// 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.ScriptStackTrace))
{
// give a debug hint if we have a script stack trace. How nice of us.
request.Debug(Constants.ScriptStackTrace, error.ScriptStackTrace);
}
}
}
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("Re-entrancy 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();
// request.Debug("INVOKING PowerShell Fn {0} in {1}", request.CommandInfo.Name, _module.Name);
// make sure we don't pass the request to the function.
var result = _powershell.InvokeFunction<object>(request.CommandInfo.Name, args);
// instead, loop thru results and get
if (result == null) {
// failure!
throw new Exception(Messages.PowershellScriptFunctionFailed.format(_module.Name, request.CommandInfo.Name));
}
object finalValue = null;
foreach (var value in result) {
if (_powershell.Streams.Error.Any()) {
ReportErrors(request, _powershell.Streams.Error);
_powershell.Streams.Error.Clear();
}
var y = value as Yieldable;
if (y != null) {
y.YieldResult(request);
} else {
finalValue = value;
}
}
if (_powershell.Streams.Error.Any()) {
ReportErrors(request, _powershell.Streams.Error);
_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);
}catch (Exception e) {
e.Dump();
} 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.
_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.ScriptStackTrace)) {
// give a debug hint if we have a script stack trace. How nice of us.
request.Debug(Constants.ScriptStackTrace, error.ScriptStackTrace);
}
}
}
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("Re-entrancy 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();
// request.Debug("INVOKING PowerShell Fn {0} in {1}", request.CommandInfo.Name, _module.Name);
// make sure we don't pass the request to the function.
var result = _powershell.InvokeFunction <object>(request.CommandInfo.Name, args);
// instead, loop thru results and get
if (result == null)
{
// failure!
throw new Exception(Messages.PowershellScriptFunctionFailed.format(_module.Name, request.CommandInfo.Name));
}
object finalValue = null;
foreach (var value in result)
{
if (_powershell.Streams.Error.Any())
{
ReportErrors(request, _powershell.Streams.Error);
_powershell.Streams.Error.Clear();
}
var y = value as Yieldable;
if (y != null)
{
y.YieldResult(request);
}
else
{
finalValue = value;
}
}
if (_powershell.Streams.Error.Any())
{
ReportErrors(request, _powershell.Streams.Error);
_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);
}catch (Exception e) {
e.Dump();
} 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.
_reentrancyLock.Set();
}
return(null);
}
}