public void Get(ManagementOperationObserver watcher)
{
if (watcher == null)
{
throw new ArgumentNullException("watcher");
}
this.Initialize();
IWbemServices iWbemServices = this.scope.GetIWbemServices();
EnumerationOptions options = (EnumerationOptions)this.options.Clone();
options.ReturnImmediately = false;
if (watcher.HaveListenersForProgress)
{
options.SendStatus = true;
}
WmiEventSink newSink = watcher.GetNewSink(this.scope, options.Context);
SecurityHandler securityHandler = this.scope.GetSecurityHandler();
int errorCode = 0;
try
{
if (((this.query.GetType() == typeof(SelectQuery)) && (((SelectQuery)this.query).Condition == null)) && ((((SelectQuery)this.query).SelectedProperties == null) && this.options.EnumerateDeep))
{
options.EnsureLocatable = false;
options.PrototypeOnly = false;
if (!((SelectQuery)this.query).IsSchemaQuery)
{
errorCode = this.scope.GetSecuredIWbemServicesHandler(iWbemServices).CreateInstanceEnumAsync_(((SelectQuery)this.query).ClassName, options.Flags, options.GetContext(), newSink.Stub);
}
else
{
errorCode = this.scope.GetSecuredIWbemServicesHandler(iWbemServices).CreateClassEnumAsync_(((SelectQuery)this.query).ClassName, options.Flags, options.GetContext(), newSink.Stub);
}
}
else
{
options.EnumerateDeep = true;
errorCode = this.scope.GetSecuredIWbemServicesHandler(iWbemServices).ExecQueryAsync_(this.query.QueryLanguage, this.query.QueryString, options.Flags, options.GetContext(), newSink.Stub);
}
}
catch (COMException exception)
{
watcher.RemoveSink(newSink);
ManagementException.ThrowWithExtendedInfo(exception);
}
finally
{
securityHandler.Reset();
}
if ((errorCode & 0xfffff000L) == 0x80041000L)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)errorCode);
}
else if ((errorCode & 0x80000000L) != 0L)
{
Marshal.ThrowExceptionForHR(errorCode);
}
}
public void GetSubclasses(ManagementOperationObserver watcher, EnumerationOptions options)
{
EnumerationOptions enumerationOption;
if (watcher != null)
{
if (this.Path != null)
{
this.Initialize(false);
if (options == null)
{
enumerationOption = new EnumerationOptions();
}
else
{
enumerationOption = (EnumerationOptions)options.Clone();
}
EnumerationOptions enumerationOption1 = enumerationOption;
enumerationOption1.EnsureLocatable = false;
enumerationOption1.PrototypeOnly = false;
enumerationOption1.ReturnImmediately = false;
if (watcher.HaveListenersForProgress)
{
enumerationOption1.SendStatus = true;
}
WmiEventSink newSink = watcher.GetNewSink(base.Scope, enumerationOption1.Context);
SecurityHandler securityHandler = base.Scope.GetSecurityHandler();
int num = this.scope.GetSecuredIWbemServicesHandler(base.Scope.GetIWbemServices()).CreateClassEnumAsync_(base.ClassName, enumerationOption1.Flags, enumerationOption1.GetContext(), newSink.Stub);
if (securityHandler != null)
{
securityHandler.Reset();
}
if (num < 0)
{
watcher.RemoveSink(newSink);
if (((long)num & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(num);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num);
return;
}
}
return;
}
else
{
throw new InvalidOperationException();
}
}
else
{
throw new ArgumentNullException("watcher");
}
}
public void GetRelationshipClasses(ManagementOperationObserver watcher, string relationshipClass, string relationshipQualifier, string thisRole, EnumerationOptions options)
{
EnumerationOptions enumerationOption;
if (this.Path == null || this.Path.Path == null || this.Path.Path.Length == 0)
{
throw new InvalidOperationException();
}
else
{
if (watcher != null)
{
this.Initialize(true);
if (options != null)
{
enumerationOption = (EnumerationOptions)options.Clone();
}
else
{
enumerationOption = new EnumerationOptions();
}
EnumerationOptions enumerationOption1 = enumerationOption;
enumerationOption1.EnumerateDeep = true;
enumerationOption1.ReturnImmediately = false;
if (watcher.HaveListenersForProgress)
{
enumerationOption1.SendStatus = true;
}
WmiEventSink newSink = watcher.GetNewSink(base.Scope, enumerationOption1.Context);
RelationshipQuery relationshipQuery = new RelationshipQuery(true, this.Path.Path, relationshipClass, relationshipQualifier, thisRole);
SecurityHandler securityHandler = base.Scope.GetSecurityHandler();
int num = this.scope.GetSecuredIWbemServicesHandler(base.Scope.GetIWbemServices()).ExecQueryAsync_(relationshipQuery.QueryLanguage, relationshipQuery.QueryString, enumerationOption1.Flags, enumerationOption1.GetContext(), newSink.Stub);
if (securityHandler != null)
{
securityHandler.Reset();
}
if (num < 0)
{
watcher.RemoveSink(newSink);
if (((long)num & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(num);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num);
return;
}
}
return;
}
else
{
throw new ArgumentNullException("watcher");
}
}
}
internal void RemoveSink(WmiEventSink eventSink)
{
try {
lock (m_sinkCollection) {
m_sinkCollection.Remove(eventSink.GetHashCode());
}
// Release the stub as we are now disconnected
eventSink.ReleaseStub();
} catch {}
}
internal void RemoveSink(WmiEventSink eventSink)
{
try
{
lock (this.m_sinkCollection)
{
this.m_sinkCollection.Remove(eventSink.GetHashCode());
}
eventSink.ReleaseStub();
}
catch
{
}
}
/// <summary>
/// <para> Cancels all outstanding operations.</para>
/// </summary>
public void Cancel()
{
// Cancel all the sinks we have - make a copy to avoid things
// changing under our feet
Hashtable copiedSinkTable = new Hashtable();
lock (m_sinkCollection)
{
//
IDictionaryEnumerator sinkEnum = m_sinkCollection.GetEnumerator();
try
{
sinkEnum.Reset();
while (sinkEnum.MoveNext())
{
DictionaryEntry entry = (DictionaryEntry)sinkEnum.Current;
copiedSinkTable.Add(entry.Key, entry.Value);
}
}
catch
{
}
}
// Now step through the copy and cancel everything
try
{
IDictionaryEnumerator copiedSinkEnum = copiedSinkTable.GetEnumerator();
copiedSinkEnum.Reset();
while (copiedSinkEnum.MoveNext())
{
DictionaryEntry entry = (DictionaryEntry)copiedSinkEnum.Current;
WmiEventSink eventSink = (WmiEventSink)entry.Value;
try
{
eventSink.Cancel();
}
catch
{
}
}
}
catch
{
}
}
internal WmiEventSink GetNewSink(ManagementScope scope, object context)
{
try
{
WmiEventSink sink = WmiEventSink.GetWmiEventSink(this, context, scope, null, null);
lock (this.m_sinkCollection)
{
this.m_sinkCollection.Add(sink.GetHashCode(), sink);
}
return(sink);
}
catch
{
return(null);
}
}
internal WmiEventSink GetNewPutSink(ManagementScope scope, object context, string path, string className)
{
try
{
WmiEventSink sink = WmiEventSink.GetWmiEventSink(this, context, scope, path, className);
lock (this.m_sinkCollection)
{
this.m_sinkCollection.Add(sink.GetHashCode(), sink);
}
return(sink);
}
catch
{
return(null);
}
}
internal WmiEventSink GetNewSink(
ManagementScope scope,
object context)
{
try {
WmiEventSink eventSink = WmiEventSink.GetWmiEventSink(this, context, scope, null, null);
// Add it to our collection
lock (m_sinkCollection) {
m_sinkCollection.Add(eventSink.GetHashCode(), eventSink);
}
return(eventSink);
} catch {
return(null);
}
}
public void Cancel()
{
Hashtable hashtable = new Hashtable();
lock (this.m_sinkCollection)
{
IDictionaryEnumerator enumerator = this.m_sinkCollection.GetEnumerator();
try
{
enumerator.Reset();
while (enumerator.MoveNext())
{
DictionaryEntry current = (DictionaryEntry)enumerator.Current;
hashtable.Add(current.Key, current.Value);
}
}
catch
{
}
}
try
{
IDictionaryEnumerator enumerator2 = hashtable.GetEnumerator();
enumerator2.Reset();
while (enumerator2.MoveNext())
{
DictionaryEntry entry2 = (DictionaryEntry)enumerator2.Current;
WmiEventSink sink = (WmiEventSink)entry2.Value;
try
{
sink.Cancel();
continue;
}
catch
{
continue;
}
}
}
catch
{
}
}
internal WmiEventSink GetNewPutSink(
ManagementScope scope,
object context,
string path,
string className)
{
try {
WmiEventSink eventSink = new WmiEventSink(this, context, scope, path, className);
// Add it to our collection
lock (m_sinkCollection) {
m_sinkCollection.Add(eventSink.GetHashCode(), eventSink);
}
return(eventSink);
} catch {
return(null);
}
}
internal WmiEventSink GetNewSink(ManagementScope scope, object context)
{
WmiEventSink wmiEventSink;
try
{
WmiEventSink wmiEventSink1 = WmiEventSink.GetWmiEventSink(this, context, scope, null, null);
lock (this.m_sinkCollection)
{
this.m_sinkCollection.Add(wmiEventSink1.GetHashCode(), wmiEventSink1);
}
wmiEventSink = wmiEventSink1;
}
catch
{
wmiEventSink = null;
}
return(wmiEventSink);
}
public void GetSubclasses(ManagementOperationObserver watcher, EnumerationOptions options)
{
if (watcher == null)
{
throw new ArgumentNullException("watcher");
}
if (this.Path == null)
{
throw new InvalidOperationException();
}
this.Initialize(false);
EnumerationOptions options2 = (options == null) ? new EnumerationOptions() : ((EnumerationOptions)options.Clone());
options2.EnsureLocatable = false;
options2.PrototypeOnly = false;
options2.ReturnImmediately = false;
if (watcher.HaveListenersForProgress)
{
options2.SendStatus = true;
}
WmiEventSink newSink = watcher.GetNewSink(base.Scope, options2.Context);
SecurityHandler securityHandler = null;
int errorCode = 0;
securityHandler = base.Scope.GetSecurityHandler();
errorCode = base.scope.GetSecuredIWbemServicesHandler(base.Scope.GetIWbemServices()).CreateClassEnumAsync_(base.ClassName, options2.Flags, options2.GetContext(), newSink.Stub);
if (securityHandler != null)
{
securityHandler.Reset();
}
if (errorCode < 0)
{
watcher.RemoveSink(newSink);
if ((errorCode & 0xfffff000L) == 0x80041000L)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)errorCode);
}
else
{
Marshal.ThrowExceptionForHR(errorCode);
}
}
}
public void GetRelationshipClasses(ManagementOperationObserver watcher, string relationshipClass, string relationshipQualifier, string thisRole, EnumerationOptions options)
{
if (((this.Path == null) || (this.Path.Path == null)) || (this.Path.Path.Length == 0))
{
throw new InvalidOperationException();
}
if (watcher == null)
{
throw new ArgumentNullException("watcher");
}
this.Initialize(true);
EnumerationOptions options2 = (options != null) ? ((EnumerationOptions)options.Clone()) : new EnumerationOptions();
options2.EnumerateDeep = true;
options2.ReturnImmediately = false;
if (watcher.HaveListenersForProgress)
{
options2.SendStatus = true;
}
WmiEventSink newSink = watcher.GetNewSink(base.Scope, options2.Context);
RelationshipQuery query = new RelationshipQuery(true, this.Path.Path, relationshipClass, relationshipQualifier, thisRole);
SecurityHandler securityHandler = null;
int errorCode = 0;
securityHandler = base.Scope.GetSecurityHandler();
errorCode = base.scope.GetSecuredIWbemServicesHandler(base.Scope.GetIWbemServices()).ExecQueryAsync_(query.QueryLanguage, query.QueryString, options2.Flags, options2.GetContext(), newSink.Stub);
if (securityHandler != null)
{
securityHandler.Reset();
}
if (errorCode < 0)
{
watcher.RemoveSink(newSink);
if ((errorCode & 0xfffff000L) == 0x80041000L)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)errorCode);
}
else
{
Marshal.ThrowExceptionForHR(errorCode);
}
}
}
public void Cancel()
{
Hashtable hashtables = new Hashtable();
lock (this.m_sinkCollection)
{
IDictionaryEnumerator enumerator = this.m_sinkCollection.GetEnumerator();
try
{
enumerator.Reset();
while (enumerator.MoveNext())
{
DictionaryEntry current = (DictionaryEntry)enumerator.Current;
hashtables.Add(current.Key, current.Value);
}
}
catch
{
}
}
try
{
IDictionaryEnumerator dictionaryEnumerator = hashtables.GetEnumerator();
dictionaryEnumerator.Reset();
while (dictionaryEnumerator.MoveNext())
{
DictionaryEntry dictionaryEntry = (DictionaryEntry)dictionaryEnumerator.Current;
WmiEventSink value = (WmiEventSink)dictionaryEntry.Value;
try
{
value.Cancel();
}
catch
{
}
}
}
catch
{
}
}
public void Get(ManagementOperationObserver watcher)
{
if (watcher != null)
{
this.Initialize();
IWbemServices wbemServices = this.scope.GetIWbemServices();
EnumerationOptions enumerationOption = (EnumerationOptions)this.options.Clone();
enumerationOption.ReturnImmediately = false;
if (watcher.HaveListenersForProgress)
{
enumerationOption.SendStatus = true;
}
WmiEventSink newSink = watcher.GetNewSink(this.scope, enumerationOption.Context);
SecurityHandler securityHandler = this.scope.GetSecurityHandler();
int num = 0;
try
{
try
{
if (!(this.query.GetType() == typeof(SelectQuery)) || ((SelectQuery)this.query).Condition != null || ((SelectQuery)this.query).SelectedProperties != null || !this.options.EnumerateDeep)
{
enumerationOption.EnumerateDeep = true;
num = this.scope.GetSecuredIWbemServicesHandler(wbemServices).ExecQueryAsync_(this.query.QueryLanguage, this.query.QueryString, enumerationOption.Flags, enumerationOption.GetContext(), newSink.Stub);
}
else
{
enumerationOption.EnsureLocatable = false;
enumerationOption.PrototypeOnly = false;
if (((SelectQuery)this.query).IsSchemaQuery)
{
num = this.scope.GetSecuredIWbemServicesHandler(wbemServices).CreateClassEnumAsync_(((SelectQuery)this.query).ClassName, enumerationOption.Flags, enumerationOption.GetContext(), newSink.Stub);
}
else
{
num = this.scope.GetSecuredIWbemServicesHandler(wbemServices).CreateInstanceEnumAsync_(((SelectQuery)this.query).ClassName, enumerationOption.Flags, enumerationOption.GetContext(), newSink.Stub);
}
}
}
catch (COMException cOMException1)
{
COMException cOMException = cOMException1;
watcher.RemoveSink(newSink);
ManagementException.ThrowWithExtendedInfo(cOMException);
}
}
finally
{
securityHandler.Reset();
}
if (((long)num & (long)-4096) != (long)-2147217408)
{
if (((long)num & (long)-2147483648) != (long)0)
{
Marshal.ThrowExceptionForHR(num);
}
return;
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num);
return;
}
}
else
{
throw new ArgumentNullException("watcher");
}
}
}//Get()
//********************************************
//Get() asynchronous
//********************************************
/// <summary>
/// <para>Invokes the WMI query, asynchronously, and binds to a watcher to deliver the results.</para>
/// </summary>
/// <param name='watcher'>The watcher that raises events triggered by the operation. </param>
public void Get(ManagementOperationObserver watcher)
{
if (null == watcher)
{
throw new ArgumentNullException(nameof(watcher));
}
Initialize();
IWbemServices wbemServices = scope.GetIWbemServices();
EnumerationOptions enumOptions = (EnumerationOptions)options.Clone();
// Ensure we switch off ReturnImmediately as this is invalid for async calls
enumOptions.ReturnImmediately = false;
// If someone has registered for progress, make sure we flag it
if (watcher.HaveListenersForProgress)
{
enumOptions.SendStatus = true;
}
WmiEventSink sink = watcher.GetNewSink(scope, enumOptions.Context);
SecurityHandler securityHandler = scope.GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
try
{
//If this is a simple SelectQuery (className only), and the enumerateDeep is set, we have
//to find out whether this is a class enumeration or instance enumeration and call CreateInstanceEnum/
//CreateClassEnum appropriately, because with ExecQuery we can't do a deep enumeration.
if ((query.GetType() == typeof(SelectQuery)) &&
(((SelectQuery)query).Condition == null) &&
(((SelectQuery)query).SelectedProperties == null) &&
(options.EnumerateDeep == true))
{
//Need to make sure that we're not passing invalid flags to enumeration APIs.
//The only flags not valid for enumerations are EnsureLocatable & PrototypeOnly.
enumOptions.EnsureLocatable = false; enumOptions.PrototypeOnly = false;
if (((SelectQuery)query).IsSchemaQuery == false) //deep instance enumeration
{
status = scope.GetSecuredIWbemServicesHandler(wbemServices).CreateInstanceEnumAsync_(((SelectQuery)query).ClassName,
enumOptions.Flags,
enumOptions.GetContext(),
sink.Stub);
}
else
{
status = scope.GetSecuredIWbemServicesHandler(wbemServices).CreateClassEnumAsync_(((SelectQuery)query).ClassName,
enumOptions.Flags,
enumOptions.GetContext(),
sink.Stub);
}
}
else //we can use ExecQuery
{
//Make sure the EnumerateDeep flag bit is turned off because it's invalid for queries
enumOptions.EnumerateDeep = true;
status = scope.GetSecuredIWbemServicesHandler(wbemServices).ExecQueryAsync_(
query.QueryLanguage,
query.QueryString,
enumOptions.Flags,
enumOptions.GetContext(),
sink.Stub);
}
}
catch (COMException e)
{
watcher.RemoveSink(sink);
ManagementException.ThrowWithExtendedInfo(e);
}
finally
{
securityHandler.Reset();
}
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status, WmiNetUtilsHelper.GetErrorInfo_f());
}
}
private static void HackToCreateWmiEventSink()
{
wmiEventSinkNew = new WmiEventSink(watcherParameter, contextParameter, scopeParameter, pathParameter, classNameParameter);
}
internal void RemoveSink(WmiEventSink eventSink)
{
try
{
lock (this.m_sinkCollection)
{
this.m_sinkCollection.Remove(eventSink.GetHashCode());
}
eventSink.ReleaseStub();
}
catch
{
}
}
private static void HackToCreateWmiEventSink()
{
WmiEventSink.wmiEventSinkNew = new WmiEventSink(WmiEventSink.watcherParameter, WmiEventSink.contextParameter, WmiEventSink.scopeParameter, WmiEventSink.pathParameter, WmiEventSink.classNameParameter);
}
private static void HackToCreateWmiEventSink()
{
wmiEventSinkNew = new WmiEventSink(watcherParameter, contextParameter, scopeParameter, pathParameter, classNameParameter);
}
private static void HackToCreateWmiEventSink()
{
WmiEventSink.wmiEventSinkNew = new WmiEventSink(WmiEventSink.watcherParameter, WmiEventSink.contextParameter, WmiEventSink.scopeParameter, WmiEventSink.pathParameter, WmiEventSink.classNameParameter);
}
internal void RemoveSink (WmiEventSink eventSink)
{
try
{
lock (m_sinkCollection)
{
m_sinkCollection.Remove (eventSink.GetHashCode ());
}
// Release the stub as we are now disconnected
eventSink.ReleaseStub ();
}
catch
{
}
}
