internal static int CreateClassEnumWmi(string strSuperclass, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IWbemServices pCurrentNamespace, string strUser, IntPtr strPassword, string strAuthority)
{
var svc = pCurrentNamespace as UnixWbemServices;
var items = WMIDatabaseFactory.Get (svc.CurrentNamespace, "SELECT * FROM " + strSuperclass);
ppEnum = new UnixEnumWbemClassObject(items);
return 0;
}
public ManagementEventWatcher(ManagementScope scope, EventQuery query, EventWatcherOptions options)
{
if (scope != null)
{
this.scope = ManagementScope._Clone(scope, new IdentifierChangedEventHandler(this.HandleIdentifierChange));
}
else
{
this.scope = ManagementScope._Clone(null, new IdentifierChangedEventHandler(this.HandleIdentifierChange));
}
if (query != null)
{
this.query = (EventQuery) query.Clone();
}
else
{
this.query = new EventQuery();
}
this.query.IdentifierChanged += new IdentifierChangedEventHandler(this.HandleIdentifierChange);
if (options != null)
{
this.options = (EventWatcherOptions) options.Clone();
}
else
{
this.options = new EventWatcherOptions();
}
this.options.IdentifierChanged += new IdentifierChangedEventHandler(this.HandleIdentifierChange);
this.enumWbem = null;
this.cachedCount = 0;
this.cacheIndex = 0;
this.sink = null;
this.delegateInvoker = new WmiDelegateInvoker(this);
}
internal int CreateInstanceEnum_(string strFilter, int lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int num = -2147217407;
if (this.scope != null)
{
num = WmiNetUtilsHelper.CreateInstanceEnumWmi_f(strFilter, lFlags, pCtx, out ppEnum, (int) this.scope.Options.Authentication, (int) this.scope.Options.Impersonation, this.pWbemServiecsSecurityHelper, this.scope.Options.Username, this.scope.Options.GetPassword(), this.scope.Options.Authority);
}
return num;
}
internal int Clone_(ref IEnumWbemClassObject ppEnum)
{
int num = -2147217407;
if (this.scope != null)
{
num = WmiNetUtilsHelper.CloneEnumWbemClassObject_f(out ppEnum, (int)this.scope.Options.Authentication, (int)this.scope.Options.Impersonation, this.pEnumWbemClassObjectsecurityHelper, this.scope.Options.Username, this.scope.Options.GetPassword(), this.scope.Options.Authority);
}
return num;
}
public ManagementObjectCollection GetInstances(EnumerationOptions options)
{
EnumerationOptions enumerationOption;
if (this.Path == null || this.Path.Path == null || this.Path.Path.Length == 0)
{
throw new InvalidOperationException();
}
else
{
this.Initialize(false);
IEnumWbemClassObject enumWbemClassObject = null;
if (options == null)
{
enumerationOption = new EnumerationOptions();
}
else
{
enumerationOption = (EnumerationOptions)options.Clone();
}
EnumerationOptions enumerationOption1 = enumerationOption;
enumerationOption1.EnsureLocatable = false;
enumerationOption1.PrototypeOnly = false;
SecurityHandler securityHandler = null;
int num = 0;
try
{
securityHandler = base.Scope.GetSecurityHandler();
num = this.scope.GetSecuredIWbemServicesHandler(base.Scope.GetIWbemServices()).CreateInstanceEnum_(base.ClassName, enumerationOption1.Flags, enumerationOption1.GetContext(), ref enumWbemClassObject);
}
finally
{
if (securityHandler != null)
{
securityHandler.Reset();
}
}
if (num < 0)
{
if (((long)num & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(num);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num);
}
}
return(new ManagementObjectCollection(base.Scope, enumerationOption1, enumWbemClassObject));
}
}
//
//IEnumerable methods
//
//****************************************
//GetEnumerator
//****************************************
/// <summary>
/// <para>Returns the enumerator for the collection.</para>
/// </summary>
/// <returns>
/// An <see cref='System.Collections.IEnumerator'/>that can be used to iterate through the
/// collection.
/// </returns>
public ManagementObjectEnumerator GetEnumerator()
{
if (isDisposed)
{
throw new ObjectDisposedException(name);
}
// Unless this is the first enumerator, we have
// to clone. This may throw if we are non-rewindable.
lock (firstEnum)
{
if (firstEnum.firstEnum)
{
firstEnum.firstEnum = false;
return(new ManagementObjectEnumerator(this, enumWbem));
}
else
{
IEnumWbemClassObject enumWbemClone = null;
int status = (int)ManagementStatus.NoError;
try {
status = enumWbem.Clone_(out enumWbemClone);
scope.GetSecurityHandler().Secure(enumWbemClone);
if ((status & 0x80000000) == 0)
{
//since the original enumerator might not be reset, we need
//to reset the new one.
status = enumWbemClone.Reset_();
}
} catch (Exception e) {
ManagementException.ThrowWithExtendedInfo(e);
}
if ((status & 0xfffff000) == 0x80041000)
{
// BUGBUG : release callResult.
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
// BUGBUG : release callResult.
Marshal.ThrowExceptionForHR(status);
}
return(new ManagementObjectEnumerator(this, enumWbemClone));
}
}
}
public void Stop()
{
if (this.enumWbem != null)
{
Marshal.ReleaseComObject(this.enumWbem);
this.enumWbem = null;
this.FireStopped(new StoppedEventArgs(this.options.Context, 0x40006));
}
if (this.sink != null)
{
this.sink.Cancel();
this.sink = null;
}
}
public void Dispose()
{
if (!this.isDisposed)
{
if (this.enumWbem != null)
{
Marshal.ReleaseComObject(this.enumWbem);
this.enumWbem = null;
}
this.cachedObjects = null;
this.collectionObject = null;
this.isDisposed = true;
GC.SuppressFinalize(this);
}
}
internal void Secure(IEnumWbemClassObject wbemEnum)
{
if (null == securityHelper)
{
securityHelper = (IWmiSec) new WmiSec();
}
securityHelper.BlessIEnumWbemClassObject(
ref wbemEnum,
options.Username,
options.GetPassword(),
options.Authority,
(int)options.Impersonation,
(int)options.Authentication);
}
public ManagementObjectCollection Get()
{
this.Initialize();
IEnumWbemClassObject ppEnum = null;
SecurityHandler securityHandler = this.scope.GetSecurityHandler();
EnumerationOptions options = (EnumerationOptions)this.options.Clone();
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(this.scope.GetIWbemServices()).CreateInstanceEnum_(((SelectQuery)this.query).ClassName, options.Flags, options.GetContext(), ref ppEnum);
}
else
{
errorCode = this.scope.GetSecuredIWbemServicesHandler(this.scope.GetIWbemServices()).CreateClassEnum_(((SelectQuery)this.query).ClassName, options.Flags, options.GetContext(), ref ppEnum);
}
}
else
{
options.EnumerateDeep = true;
errorCode = this.scope.GetSecuredIWbemServicesHandler(this.scope.GetIWbemServices()).ExecQuery_(this.query.QueryLanguage, this.query.QueryString, options.Flags, options.GetContext(), ref ppEnum);
}
}
catch (COMException exception)
{
ManagementException.ThrowWithExtendedInfo(exception);
}
finally
{
securityHandler.Reset();
}
if ((errorCode & 0xfffff000L) == 0x80041000L)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)errorCode);
}
else if ((errorCode & 0x80000000L) != 0L)
{
Marshal.ThrowExceptionForHR(errorCode);
}
return(new ManagementObjectCollection(this.scope, this.options, ppEnum));
}
/// <summary>
/// Release resources associated with this object. After this
/// method has been called any attempt to use this object will
/// result in an ObjectDisposedException being thrown.
/// </summary>
public void Dispose()
{
if (!isDisposed)
{
if (null != enumWbem)
{
Marshal.ReleaseComObject(enumWbem);
enumWbem = null;
}
isDisposed = true;
// Here one would call base.Dispose() if this class had a superclass
GC.SuppressFinalize(this);
}
}
//internal IWbemServices GetIWbemServices () {
// return scope.GetIWbemServices ();
//}
//internal ConnectionOptions Connection {
// get { return scope.Connection; }
//}
//Constructor
internal ManagementObjectCollection(
ManagementScope scope,
EnumerationOptions options,
IEnumWbemClassObject enumWbem)
{
if (null != options)
this.options = (EnumerationOptions) options.Clone();
else
this.options = new EnumerationOptions ();
if (null != scope)
this.scope = (ManagementScope)scope.Clone ();
else
this.scope = ManagementScope._Clone(null);
this.enumWbem = enumWbem;
}
//********************************************
//Stop
//********************************************
/// <summary>
/// <para>Cancels the subscription whether it is synchronous or asynchronous.</para>
/// </summary>
public void Stop()
{
//For semi-synchronous, release the WMI enumerator to cancel the subscription
if (null != enumWbem)
{
Marshal.ReleaseComObject(enumWbem);
enumWbem = null;
FireStopped(new StoppedEventArgs(options.Context, (int)ManagementStatus.OperationCanceled));
}
// In async mode cancel the call to the sink - this will
// unwind the operation and cause a Stopped message
if (null != sink)
{
sink.Cancel();
sink = null;
}
}
public ManagementObjectCollection.ManagementObjectEnumerator GetEnumerator()
{
if (!this.isDisposed)
{
if (!this.options.Rewindable)
{
return(new ManagementObjectCollection.ManagementObjectEnumerator(this, this.enumWbem));
}
else
{
IEnumWbemClassObject enumWbemClassObject = null;
int num = 0;
try
{
num = this.scope.GetSecuredIEnumWbemClassObjectHandler(this.enumWbem).Clone_(ref enumWbemClassObject);
if (((long)num & (long)-2147483648) == (long)0)
{
num = this.scope.GetSecuredIEnumWbemClassObjectHandler(enumWbemClassObject).Reset_();
}
}
catch (COMException cOMException1)
{
COMException cOMException = cOMException1;
ManagementException.ThrowWithExtendedInfo(cOMException);
}
if (((long)num & (long)-4096) != (long)-2147217408)
{
if (((long)num & (long)-2147483648) != (long)0)
{
Marshal.ThrowExceptionForHR(num);
}
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num);
}
return(new ManagementObjectCollection.ManagementObjectEnumerator(this, enumWbemClassObject));
}
}
else
{
throw new ObjectDisposedException(ManagementObjectCollection.name);
}
}
internal ManagementObjectCollection(ManagementScope scope, EnumerationOptions options, IEnumWbemClassObject enumWbem)
{
if (options != null)
{
this.options = (EnumerationOptions) options.Clone();
}
else
{
this.options = new EnumerationOptions();
}
if (scope != null)
{
this.scope = scope.Clone();
}
else
{
this.scope = ManagementScope._Clone(null);
}
this.enumWbem = enumWbem;
}
internal ManagementObjectCollection(ManagementScope scope, EnumerationOptions options, IEnumWbemClassObject enumWbem)
{
if (options == null)
{
this.options = new EnumerationOptions();
}
else
{
this.options = (EnumerationOptions)options.Clone();
}
if (scope == null)
{
this.scope = ManagementScope._Clone(null);
}
else
{
this.scope = scope.Clone();
}
this.enumWbem = enumWbem;
}
public ManagementObjectCollection GetSubclasses(EnumerationOptions options)
{
if (this.Path == null)
{
throw new InvalidOperationException();
}
this.Initialize(false);
IEnumWbemClassObject ppEnum = null;
EnumerationOptions options2 = (options == null) ? new EnumerationOptions() : ((EnumerationOptions)options.Clone());
options2.EnsureLocatable = false;
options2.PrototypeOnly = false;
SecurityHandler securityHandler = null;
int errorCode = 0;
try
{
securityHandler = base.Scope.GetSecurityHandler();
errorCode = base.scope.GetSecuredIWbemServicesHandler(base.Scope.GetIWbemServices()).CreateClassEnum_(base.ClassName, options2.Flags, options2.GetContext(), ref ppEnum);
}
finally
{
if (securityHandler != null)
{
securityHandler.Reset();
}
}
if (errorCode < 0)
{
if ((errorCode & 0xfffff000L) == 0x80041000L)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)errorCode);
}
else
{
Marshal.ThrowExceptionForHR(errorCode);
}
}
return(new ManagementObjectCollection(base.Scope, options2, ppEnum));
}
public ManagementObjectCollection GetRelationshipClasses(string relationshipClass, string relationshipQualifier, string thisRole, EnumerationOptions options)
{
if (((this.Path == null) || (this.Path.Path == null)) || (this.Path.Path.Length == 0))
{
throw new InvalidOperationException();
}
this.Initialize(false);
IEnumWbemClassObject ppEnum = null;
EnumerationOptions options2 = (options != null) ? options : new EnumerationOptions();
options2.EnumerateDeep = true;
RelationshipQuery query = new RelationshipQuery(true, this.Path.Path, relationshipClass, relationshipQualifier, thisRole);
SecurityHandler securityHandler = null;
int errorCode = 0;
try
{
securityHandler = base.Scope.GetSecurityHandler();
errorCode = base.scope.GetSecuredIWbemServicesHandler(base.Scope.GetIWbemServices()).ExecQuery_(query.QueryLanguage, query.QueryString, options2.Flags, options2.GetContext(), ref ppEnum);
}
finally
{
if (securityHandler != null)
{
securityHandler.Reset();
}
}
if (errorCode < 0)
{
if ((errorCode & 0xfffff000L) == 0x80041000L)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)errorCode);
}
else
{
Marshal.ThrowExceptionForHR(errorCode);
}
}
return(new ManagementObjectCollection(base.Scope, options2, ppEnum));
}
/// <summary>
/// <para> Initializes a new instance of the <see cref='System.Management.ManagementEventWatcher'/> class
/// that listens for events conforming to the given WMI event query, according to the specified
/// options. For this variant, the query and the scope are specified objects. The
/// options object can specify options such as timeout and context information.</para>
/// </summary>
/// <param name='scope'>A <see cref='System.Management.ManagementScope'/> object representing the scope (namespace) in which the watcher will listen for events.</param>
/// <param name=' query'>An <see cref='System.Management.EventQuery'/> object representing a WMI event query, which determines the events for which the watcher will listen.</param>
/// <param name='options'>An <see cref='System.Management.EventWatcherOptions'/> object representing additional options used to watch for events. </param>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query,
EventWatcherOptions options)
{
if (null != scope)
{
this.scope = ManagementScope._Clone(scope, new IdentifierChangedEventHandler(HandleIdentifierChange));
}
else
{
this.scope = ManagementScope._Clone(null, new IdentifierChangedEventHandler(HandleIdentifierChange));
}
if (null != query)
{
this.query = (EventQuery)query.Clone();
}
else
{
this.query = new EventQuery();
}
this.query.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
if (null != options)
{
this.options = (EventWatcherOptions)options.Clone();
}
else
{
this.options = new EventWatcherOptions();
}
this.options.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
enumWbem = null;
cachedCount = 0;
cacheIndex = 0;
sink = null;
delegateInvoker = new WmiDelegateInvoker(this);
}
/// <summary>
/// <para>Creates a new watcher that will listen for events conforming to the given WMI
/// event query, in the given WMI scope, and according to the specified options. For
/// this variant the query and the scope are specified objects. The options object
/// specifies options such as a timeout and possibly context information.</para>
/// </summary>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query,
EventWatcherOptions options)
{
if (null != scope)
{
Scope = scope;
}
else
{
Scope = new ManagementScope();
}
if (null != query)
{
Query = query;
}
else
{
Query = new EventQuery();
}
if (null != options)
{
Options = options;
}
else
{
Options = new EventWatcherOptions();
}
enumWbem = null;
cachedCount = 0;
cacheIndex = 0;
sink = null;
delegateInvoker = new WmiDelegateInvoker(this);
}
//internal ConnectionOptions Connection {
// get { return scope.Connection; }
//}
//Constructor
internal ManagementObjectCollection(
ManagementScope scope,
EnumerationOptions options,
IEnumWbemClassObject enumWbem)
{
if (null != options)
{
this.options = (EnumerationOptions)options.Clone();
}
else
{
this.options = new EnumerationOptions();
}
if (null != scope)
{
this.scope = (ManagementScope)scope.Clone();
}
this.enumWbem = enumWbem;
current = null;
firstEnum = new FirstEnum();
}
/// <summary>
/// Releases resources associated with this object. After this
/// method has been called, an attempt to use this object will
/// result in an ObjectDisposedException being thrown.
/// </summary>
public void Dispose()
{
if (!isDisposed)
{
if (null != enumWbem)
{
Marshal.ReleaseComObject(enumWbem);
enumWbem = null;
}
cachedObjects = null;
// DO NOT dispose of collectionObject. It is merely a reference - its lifetime
// exceeds that of this object. If collectionObject.Dispose was to be done here,
// a reference count would be needed.
//
collectionObject = null;
isDisposed = true;
GC.SuppressFinalize(this);
}
}
internal static int CloneEnumWbemClassObject(out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IEnumWbemClassObject pCurrentEnumWbemClassObject, string strUser, IntPtr strPassword, string strAuthority)
{
ppEnum = pCurrentEnumWbemClassObject;
return 0;
}
internal static int ExecNotificationQueryWmi(string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IWbemServices pCurrentNamespace, string strUser, IntPtr strPassword, string strAuthority)
{
ppEnum = null;
return 0;
}
internal int Clone_(ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
IntPtr password = scope.Options.GetPassword();
status = WmiNetUtilsHelper.CloneEnumWbemClassObject_f(
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pEnumWbemClassObjectsecurityHelper,
scope.Options.Username,
password,
scope.Options.Authority);
System.Runtime.InteropServices.Marshal.ZeroFreeBSTR(password);
}
return status;
}
int System.Management.IWbemServices_Old.ExecQuery_(string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
ppEnum = null;
return(-2147217396);
}
internal static int CreateInstanceEnumWmi(string strFilter, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IWbemServices pCurrentNamespace, string strUser, IntPtr strPassword, string strAuthority)
{
var svc = pCurrentNamespace as UnixWbemServices;
var items = WMIDatabaseFactory.Get(svc.CurrentNamespace, "SELECT * FROM " + strFilter);
ppEnum = new UnixEnumWbemClassObject(items);
return(0);
}
internal static int ExecQueryWmi(string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IWbemServices pCurrentNamespace, string strUser, IntPtr strPassword, string strAuthority)
{
var svc = pCurrentNamespace as UnixWbemServices;
IEnumerable <IWbemClassObject_DoNotMarshal> list = WMIDatabaseFactory.Get(svc.CurrentNamespace, strQuery);
ppEnum = new UnixEnumWbemClassObject(list);
return(0);
}
internal SecuredIEnumWbemClassObjectHandler(ManagementScope theScope, IEnumWbemClassObject pEnumWbemClassObject)
{
this.scope = theScope;
this.pEnumWbemClassObjectsecurityHelper = pEnumWbemClassObject;
}
public int Clone_ (out IEnumWbemClassObject ppEnum)
{
ppEnum = this;
return 0;
}
int IWbemServices_Old.ExecQuery_([In, MarshalAs(UnmanagedType.BStr)] string strQueryLanguage, [In, MarshalAs(UnmanagedType.BStr)] string strQuery, [In] int lFlags, [In, MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx, [MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum)
{
ppEnum = null;
return(-2147217396);
}
int IWbemServices_Old.CreateInstanceEnum_([In, MarshalAs(UnmanagedType.BStr)] string strFilter, [In] int lFlags, [In, MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx, [MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum)
{
ppEnum = null;
return(-2147217396);
}
public int ExecNotificationQuery_ (string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
ppEnum = new UnixEnumWbemClassObject(WMIDatabaseFactory.Get (_currentNamespace, strQuery));
return 0;
}
public int CreateInstanceEnum_ (string strFilter, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
var items = WMIDatabaseFactory.Get (_currentNamespace, strFilter);
ppEnum = new UnixEnumWbemClassObject(items);
return 0;
}
public int CreateClassEnum_ (string strSuperclass, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
ppEnum = null;
return 0;
}
//
//IEnumerable methods
//
//****************************************
//GetEnumerator
//****************************************
/// <summary>
/// <para>Returns the enumerator for the collection. If the collection was retrieved from an operation that
/// specified the EnumerationOptions.Rewindable = false only one iteration through this enumerator is allowed.
/// Note that this applies to using the Count property of the collection as well since an iteration over the collection
/// is required. Due to this, code using the Count property should never specify EnumerationOptions.Rewindable = false.
/// </para>
/// </summary>
/// <returns>
/// An <see cref='System.Collections.IEnumerator'/>that can be used to iterate through the
/// collection.
/// </returns>
public ManagementObjectEnumerator GetEnumerator()
{
if (isDisposed)
{
throw new ObjectDisposedException(name);
}
//
// We do not clone the enumerator if its the first enumerator.
// If it is the first enumerator we pass the reference
// to the enumerator implementation rather than a clone. If the enumerator is used
// from within a foreach statement in the client code, the foreach statement will
// dec the ref count on the reference which also happens to be the reference to the
// original enumerator causing subsequent uses of the collection to fail.
// To prevent this we always clone the enumerator (assuming its a rewindable enumerator)
// to avoid invalidating the collection.
//
// If its a forward only enumerator we simply pass back the original enumerator (i.e.
// not cloned) and if it gets disposed we end up throwing the next time its used. Essentially,
// the enumerator becomes the collection.
//
// Unless this is the first enumerator, we have
// to clone. This may throw if we are non-rewindable.
if (this.options.Rewindable == true)
{
IEnumWbemClassObject enumWbemClone = null;
int status = (int)ManagementStatus.NoError;
try
{
status = scope.GetSecuredIEnumWbemClassObjectHandler(enumWbem).Clone_(ref enumWbemClone);
if ((status & 0x80000000) == 0)
{
//since the original enumerator might not be reset, we need
//to reset the new one.
status = scope.GetSecuredIEnumWbemClassObjectHandler(enumWbemClone).Reset_();
}
}
catch (COMException e)
{
ManagementException.ThrowWithExtendedInfo(e);
}
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status, WmiNetUtilsHelper.GetErrorInfo_f());
}
return(new ManagementObjectEnumerator(this, enumWbemClone));
}
else
{
//
// Notice that we use the original enumerator and hence enum position is retained.
// For example, if the client code manually walked half the collection and then
// used a foreach statement, the foreach statement would continue from where the
// manual walk ended.
//
return(new ManagementObjectEnumerator(this, enumWbem));
}
}
public void Dispose()
{
if (!this.isDisposed)
{
if (this.enumWbem != null)
{
Marshal.ReleaseComObject(this.enumWbem);
this.enumWbem = null;
}
this.cachedObjects = null;
this.collectionObject = null;
this.isDisposed = true;
GC.SuppressFinalize(this);
}
}
internal static int ExecNotificationQueryWmi(string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IWbemServices pCurrentNamespace, string strUser, IntPtr strPassword, string strAuthority)
{
ppEnum = null;
return(0);
}
internal SecuredIEnumWbemClassObjectHandler GetSecuredIEnumWbemClassObjectHandler(IEnumWbemClassObject pEnumWbemClassObject)
{
return(new SecuredIEnumWbemClassObjectHandler(this, pEnumWbemClassObject));
}
internal static int CloneEnumWbemClassObject(out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IEnumWbemClassObject pCurrentEnumWbemClassObject, string strUser, IntPtr strPassword, string strAuthority)
{
ppEnum = pCurrentEnumWbemClassObject;
return(0);
}
internal int ExecNotificationQuery_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
IntPtr password = scope.Options.GetPassword();
status = WmiNetUtilsHelper.ExecNotificationQueryWmi_f(strQueryLanguage,
strQuery,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
password,
scope.Options.Authority);
System.Runtime.InteropServices.Marshal.ZeroFreeBSTR(password);
}
return status;
}
int System.Management.IWbemServices_Old.CreateInstanceEnum_(string strFilter, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
ppEnum = null;
return(-2147217396);
}
internal ManagementObjectEnumerator(ManagementObjectCollection collectionObject, IEnumWbemClassObject enumWbem)
{
this.enumWbem = enumWbem;
this.collectionObject = collectionObject;
this.cachedObjects = new IWbemClassObjectFreeThreaded[collectionObject.options.BlockSize];
this.cachedCount = 0;
this.cacheIndex = -1;
this.atEndOfCollection = false;
}
//********************************************
//Get()
//********************************************
/// <overload>
/// Invokes the specified WMI query and returns the resulting collection.
/// </overload>
/// <summary>
/// <para>Invokes the specified WMI query and returns the
/// resulting collection.</para>
/// </summary>
/// <returns>
/// <para>A <see cref='System.Management.ManagementObjectCollection'/> containing the objects that match the
/// specified query.</para>
/// </returns>
public ManagementObjectCollection Get()
{
Initialize();
IEnumWbemClassObject ew = null;
SecurityHandler securityHandler = scope.GetSecurityHandler();
EnumerationOptions enumOptions = (EnumerationOptions)options.Clone();
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(scope.GetIWbemServices()).CreateInstanceEnum_(
((SelectQuery)query).ClassName,
enumOptions.Flags,
enumOptions.GetContext(),
ref ew);
}
else //deep class enumeration
{
status = scope.GetSecuredIWbemServicesHandler(scope.GetIWbemServices()).CreateClassEnum_(((SelectQuery)query).ClassName,
enumOptions.Flags,
enumOptions.GetContext(),
ref ew);
}
}
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(scope.GetIWbemServices()).ExecQuery_(
query.QueryLanguage,
query.QueryString,
enumOptions.Flags,
enumOptions.GetContext(),
ref ew);
}
}
catch (COMException e)
{
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());
}
//Create a new collection object for the results
return(new ManagementObjectCollection(scope, options, ew));
}//Get()
/// <summary>
/// <para> Initializes a new instance of the <see cref='System.Management.ManagementEventWatcher'/> class
/// that listens for events conforming to the given WMI event query, according to the specified
/// options. For this variant, the query and the scope are specified objects. The
/// options object can specify options such as timeout and context information.</para>
/// </summary>
/// <param name='scope'>A <see cref='System.Management.ManagementScope'/> object representing the scope (namespace) in which the watcher will listen for events.</param>
/// <param name=' query'>An <see cref='System.Management.EventQuery'/> object representing a WMI event query, which determines the events for which the watcher will listen.</param>
/// <param name='options'>An <see cref='System.Management.EventWatcherOptions'/> object representing additional options used to watch for events. </param>
public ManagementEventWatcher(
ManagementScope scope,
EventQuery query,
EventWatcherOptions options)
{
if (null != scope)
this.scope = ManagementScope._Clone(scope, new IdentifierChangedEventHandler(HandleIdentifierChange));
else
this.scope = ManagementScope._Clone(null, new IdentifierChangedEventHandler(HandleIdentifierChange));
if (null != query)
this.query = (EventQuery)query.Clone();
else
this.query = new EventQuery();
this.query.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
if (null != options)
this.options = (EventWatcherOptions)options.Clone();
else
this.options = new EventWatcherOptions();
this.options.IdentifierChanged += new IdentifierChangedEventHandler(HandleIdentifierChange);
enumWbem = null;
cachedCount = 0;
cacheIndex = 0;
sink = null;
delegateInvoker = new WmiDelegateInvoker (this);
}
internal int ExecNotificationQuery_(string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int num = -2147217407;
if (this.scope != null)
{
num = WmiNetUtilsHelper.ExecNotificationQueryWmi_f(strQueryLanguage, strQuery, lFlags, pCtx, out ppEnum, (int) this.scope.Options.Authentication, (int) this.scope.Options.Impersonation, this.pWbemServiecsSecurityHelper, this.scope.Options.Username, this.scope.Options.GetPassword(), this.scope.Options.Authority);
}
return num;
}
int System.Management.IWbemServices_Old.CreateInstanceEnum_(string strFilter, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
ppEnum = null;
return -2147217396;
}
internal static int ExecQueryWmi(string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum, int impLevel, int authnLevel, IWbemServices pCurrentNamespace, string strUser, IntPtr strPassword, string strAuthority)
{
var svc = pCurrentNamespace as UnixWbemServices;
IEnumerable<IWbemClassObject_DoNotMarshal> list = WMIDatabaseFactory.Get(svc.CurrentNamespace, strQuery);
ppEnum = new UnixEnumWbemClassObject(list);
return 0;
}
internal SecuredIEnumWbemClassObjectHandler GetSecuredIEnumWbemClassObjectHandler(IEnumWbemClassObject pEnumWbemClassObject)
{
return new SecuredIEnumWbemClassObjectHandler(this, pEnumWbemClassObject);
}
/// <summary>
/// Releases resources associated with this object. After this
/// method has been called, an attempt to use this object will
/// result in an ObjectDisposedException being thrown.
/// </summary>
public void Dispose ()
{
if (!isDisposed)
{
if (null != enumWbem)
{
Marshal.ReleaseComObject (enumWbem);
enumWbem = null;
}
cachedObjects = null;
// DO NOT dispose of collectionObject. It is merely a reference - its lifetime
// exceeds that of this object. If collectionObject.Dispose was to be done here,
// a reference count would be needed.
//
collectionObject = null;
isDisposed = true;
GC.SuppressFinalize (this);
}
}
public int ExecQuery_ (string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
IEnumerable<IWbemClassObject_DoNotMarshal> list = WMIDatabaseFactory.Get(_currentNamespace, strQuery);
ppEnum = new UnixEnumWbemClassObject(list);
return 0;
}
public int Clone_(out IEnumWbemClassObject ppEnum)
{
ppEnum = this;
return(0);
}
internal SecuredIEnumWbemClassObjectHandler(ManagementScope theScope, IEnumWbemClassObject pEnumWbemClassObject)
{
this.scope = theScope;
this.pEnumWbemClassObjectsecurityHelper = pEnumWbemClassObject;
}
int System.Management.IWbemServices_Old.ExecQuery_(string strQueryLanguage, string strQuery, int lFlags, IWbemContext pCtx, out IEnumWbemClassObject ppEnum)
{
ppEnum = null;
return -2147217396;
}
//********************************************
//Stop
//********************************************
/// <summary>
/// <para>Cancels the subscription whether it is synchronous or asynchronous.</para>
/// </summary>
public void Stop()
{
//For semi-synchronous, release the WMI enumerator to cancel the subscription
if (null != enumWbem)
{
Marshal.ReleaseComObject(enumWbem);
enumWbem = null;
FireStopped (new StoppedEventArgs (options.Context, (int)ManagementStatus.OperationCanceled));
}
// In async mode cancel the call to the sink - this will
// unwind the operation and cause a Stopped message
if (null != sink)
{
sink.Cancel ();
sink = null;
}
}
internal ManagementObjectEnumerator(ManagementObjectCollection collectionObject, IEnumWbemClassObject enumWbem)
{
this.enumWbem = enumWbem;
this.collectionObject = collectionObject;
this.cachedObjects = new IWbemClassObjectFreeThreaded[collectionObject.options.BlockSize];
this.cachedCount = 0;
this.cacheIndex = -1;
this.atEndOfCollection = false;
}
public void Stop()
{
if (this.enumWbem != null)
{
Marshal.ReleaseComObject(this.enumWbem);
this.enumWbem = null;
this.FireStopped(new StoppedEventArgs(this.options.Context, 0x40006));
}
if (this.sink != null)
{
this.sink.Cancel();
this.sink = null;
}
}
