/// <summary>
/// Parses the ManagementException.ErrorInformation.
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
private static string GetExceptionText(ManagementException ex)
{
//get exception xml
var exceptionxml = ex.ErrorInformation.GetText(System.Management.TextFormat.CimDtd20);
var errormessage = "";
//parse exception
var doc = XDocument.Parse(exceptionxml);
var descriptionelement = doc.XPathSelectElements(".//PROPERTY[@NAME='Description']").FirstOrDefault();
if (descriptionelement != null)
{
var valueelement = descriptionelement.Element("VALUE");
if (valueelement != null)
errormessage = valueelement.Value;
}
//if we have a description, use it
if (errormessage != "")
return errormessage;
//otherwise, return the whole message
var exceptiontext = ex.ErrorInformation.GetText(System.Management.TextFormat.Mof);
return exceptiontext;
}
public void CopyTo(Array array, int index)
{
if (array != null)
{
if (index < array.GetLowerBound(0) || index > array.GetUpperBound(0))
{
throw new ArgumentOutOfRangeException("index");
}
else
{
string[] strArrays = null;
object obj = null;
int num = 0;
if (!this.isSystem)
{
num = num | 64;
}
else
{
num = num | 48;
}
//num = num;
int names_ = this.parent.wbemObject.GetNames_(null, num, ref obj, out strArrays);
if (names_ >= 0)
{
if (index + (int)strArrays.Length <= array.Length)
{
string[] strArrays1 = strArrays;
for (int i = 0; i < (int)strArrays1.Length; i++)
{
string str = strArrays1[i];
int num1 = index;
index = num1 + 1;
array.SetValue(new PropertyData(this.parent, str), num1);
}
}
else
{
throw new ArgumentException(null, "index");
}
}
if (names_ < 0)
{
if (((long)names_ & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(names_);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)names_);
return;
}
}
return;
}
}
else
{
throw new ArgumentNullException("array");
}
}
internal string SetNamespacePath(string nsPath, out bool bChange)
{
int errorCode = 0;
string strA = null;
string strB = null;
IWbemPath wbemPath = null;
bChange = false;
if (!IsValidNamespaceSyntax(nsPath))
{
ManagementException.ThrowWithExtendedInfo(ManagementStatus.InvalidNamespace);
}
wbemPath = this.CreateWbemPath(nsPath);
if (this.wmiPath == null)
{
this.wmiPath = this.CreateWbemPath("");
}
else if (this.isWbemPathShared)
{
this.wmiPath = this.CreateWbemPath(this.GetWbemPath());
this.isWbemPathShared = false;
}
strA = GetNamespacePath(this.wmiPath, 0x10);
strB = GetNamespacePath(wbemPath, 0x10);
if (string.Compare(strA, strB, StringComparison.OrdinalIgnoreCase) != 0)
{
this.wmiPath.RemoveAllNamespaces_();
bChange = true;
uint puCount = 0;
errorCode = wbemPath.GetNamespaceCount_(out puCount);
if (errorCode >= 0)
{
for (uint i = 0; i < puCount; i++)
{
uint puNameBufLength = 0;
errorCode = wbemPath.GetNamespaceAt_(i, ref puNameBufLength, null);
if (errorCode < 0)
{
break;
}
string pName = new string('0', ((int)puNameBufLength) - 1);
errorCode = wbemPath.GetNamespaceAt_(i, ref puNameBufLength, pName);
if (errorCode < 0)
{
break;
}
errorCode = this.wmiPath.SetNamespaceAt_(i, pName);
if (errorCode < 0)
{
break;
}
}
}
}
if (((errorCode >= 0) && (nsPath.Length > 1)) && (((nsPath[0] == '\\') && (nsPath[1] == '\\')) || ((nsPath[0] == '/') && (nsPath[1] == '/'))))
{
uint num5 = 0;
errorCode = wbemPath.GetServer_(ref num5, null);
if ((errorCode >= 0) && (num5 > 0))
{
string str4 = new string('0', ((int)num5) - 1);
errorCode = wbemPath.GetServer_(ref num5, str4);
if (errorCode >= 0)
{
num5 = 0;
errorCode = this.wmiPath.GetServer_(ref num5, null);
if (errorCode >= 0)
{
string str5 = new string('0', ((int)num5) - 1);
errorCode = this.wmiPath.GetServer_(ref num5, str5);
if ((errorCode >= 0) && (string.Compare(str5, str4, StringComparison.OrdinalIgnoreCase) != 0))
{
errorCode = this.wmiPath.SetServer_(str4);
}
}
else if (errorCode == -2147217399)
{
errorCode = this.wmiPath.SetServer_(str4);
if (errorCode >= 0)
{
bChange = true;
}
}
}
}
else if (errorCode == -2147217399)
{
errorCode = 0;
}
}
if (errorCode < 0)
{
if ((errorCode & 0xfffff000L) == 0x80041000L)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)errorCode);
return(strB);
}
Marshal.ThrowExceptionForHR(errorCode);
}
return(strB);
}
}//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("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);
}
}
internal void Initialize()
{
//If the path is not set yet we can't do it
if (null == path)
{
throw new InvalidOperationException();
}
/*
* If we're not connected yet, this is the time to do it... We lock
* the state to prevent 2 threads simultaneously doing the same
* connection. To avoid taking the lock unnecessarily we examine
* isConnected first
*/
if (!IsConnected)
{
lock (this)
{
if (!IsConnected)
{
IWbemLocator loc = (IWbemLocator) new WbemLocator();
if (null == options)
{
Options = new ConnectionOptions();
}
string nsPath = path.NamespacePath;
// If no namespace specified, fill in the default one
if ((null == nsPath) || (0 == nsPath.Length))
{
// NB: we use a special method to set the namespace
// path here as we do NOT want to trigger an
// IdentifierChanged event as a result of this set
path.SetNamespacePath(ManagementPath.DefaultPath.Path);
}
// If we have privileges to enable, now is the time
SecurityHandler securityHandler = GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
try {
status = loc.ConnectServer_(
path.NamespacePath,
options.Username,
options.GetPassword(),
options.Locale,
options.Flags,
options.Authority,
options.GetContext(),
out wbemServices);
//Set security on services pointer
Secure(wbemServices);
} catch (Exception e) {
// BUGBUG : securityHandler.Reset()?
ManagementException.ThrowWithExtendedInfo(e);
} finally {
securityHandler.Reset();
}
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
}
}
}
/// <summary>
/// <para>Waits for the next event that matches the specified query to arrive, and
/// then returns it.</para>
/// </summary>
/// <returns>
/// <para>A <see cref='System.Management.ManagementBaseObject'/> representing the
/// newly arrived event.</para>
/// </returns>
/// <remarks>
/// <para>If the event watcher object contains options with
/// a specified timeout, the API will wait for the next event only for the specified
/// amount of time; otherwise, the API will be blocked until the next event occurs.</para>
/// </remarks>
public ManagementBaseObject WaitForNextEvent()
{
ManagementBaseObject obj = null;
Initialize();
#pragma warning disable CA2002
lock (this)
#pragma warning restore CA2002
{
SecurityHandler securityHandler = Scope.GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
try
{
if (null == enumWbem) //don't have an enumerator yet - get it
{
//Execute the query
status = scope.GetSecuredIWbemServicesHandler(Scope.GetIWbemServices()).ExecNotificationQuery_(
query.QueryLanguage,
query.QueryString,
options.Flags,
options.GetContext(),
ref enumWbem);
}
if (status >= 0)
{
if ((cachedCount - cacheIndex) == 0) //cache is empty - need to get more objects
{
//Because Interop doesn't support custom marshalling for arrays, we have to use
//the "DoNotMarshal" objects in the interop and then convert to the "FreeThreaded"
//counterparts afterwards.
IWbemClassObject_DoNotMarshal[] tempArray = new IWbemClassObject_DoNotMarshal[options.BlockSize];
int timeout = (ManagementOptions.InfiniteTimeout == options.Timeout)
? (int)tag_WBEM_TIMEOUT_TYPE.WBEM_INFINITE :
(int)options.Timeout.TotalMilliseconds;
status = scope.GetSecuredIEnumWbemClassObjectHandler(enumWbem).Next_(timeout, (uint)options.BlockSize, tempArray, ref cachedCount);
cacheIndex = 0;
if (status >= 0)
{
//Convert results and put them in cache. Note that we may have timed out
//in which case we might not have all the objects. If no object can be returned
//we throw a timeout exception.
if (cachedCount == 0)
{
ManagementException.ThrowWithExtendedInfo(ManagementStatus.Timedout);
}
for (int i = 0; i < cachedCount; i++)
{
cachedObjects[i] = new IWbemClassObjectFreeThreaded(Marshal.GetIUnknownForObject(tempArray[i]));
}
}
}
if (status >= 0)
{
obj = new ManagementBaseObject(cachedObjects[cacheIndex]);
cacheIndex++;
}
}
}
finally
{
securityHandler.Reset();
}
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else
{
Marshal.ThrowExceptionForHR(status, WmiNetUtilsHelper.GetErrorInfo_f());
}
}
}
return(obj);
}
//****************************************
//MoveNext
//****************************************
/// <summary>
/// Indicates whether the enumerator has moved to
/// the next object in the enumeration.
/// </summary>
/// <returns>
/// <para><see langword='true'/>, if the enumerator was
/// successfully advanced to the next element; <see langword='false'/> if the enumerator has
/// passed the end of the collection.</para>
/// </returns>
public bool MoveNext()
{
if (isDisposed)
{
throw new ObjectDisposedException(name);
}
//If there are no more objects in the collection return false
if (atEndOfCollection)
{
return(false);
}
//Look for the next object
cacheIndex++;
if ((cachedCount - cacheIndex) == 0) //cache is empty - need to get more objects
{
//If the timeout is set to infinite, need to use the WMI infinite constant
int timeout = (collectionObject.options.Timeout.Ticks == long.MaxValue) ?
(int)tag_WBEM_TIMEOUT_TYPE.WBEM_INFINITE : (int)collectionObject.options.Timeout.TotalMilliseconds;
//Get the next [BLockSize] objects within the specified timeout
SecurityHandler securityHandler = collectionObject.scope.GetSecurityHandler();
//Because Interop doesn't support custom marshalling for arrays, we have to use
//the "DoNotMarshal" objects in the interop and then convert to the "FreeThreaded"
//counterparts afterwards.
IWbemClassObject_DoNotMarshal[] tempArray = new IWbemClassObject_DoNotMarshal[collectionObject.options.BlockSize];
int status = collectionObject.scope.GetSecuredIEnumWbemClassObjectHandler(enumWbem).Next_(timeout, (uint)collectionObject.options.BlockSize, tempArray, ref cachedCount);
securityHandler.Reset();
if (status >= 0)
{
//Convert results and put them in cache.
for (int i = 0; i < cachedCount; i++)
{
cachedObjects[i] = new IWbemClassObjectFreeThreaded
(
Marshal.GetIUnknownForObject(tempArray[i])
);
}
}
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else
{
Marshal.ThrowExceptionForHR(status, WmiNetUtilsHelper.GetErrorInfo_f());
}
}
else
{
//If there was a timeout and no object can be returned we throw a timeout exception...
if ((status == (int)tag_WBEMSTATUS.WBEM_S_TIMEDOUT) && (cachedCount == 0))
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
//If not timeout and no objects were returned - we're at the end of the collection
if ((status == (int)tag_WBEMSTATUS.WBEM_S_FALSE) && (cachedCount == 0))
{
atEndOfCollection = true;
cacheIndex--; //back to last object
/* This call to Dispose is being removed as per discussion with URT people and the newly supported
* Dispose() call in the foreach implementation itself.
*
* //Release the COM object (so that the user doesn't have to)
* Dispose();
*/
return(false);
}
}
cacheIndex = 0;
}
return(true);
}
public void Reset()
{
int num;
if (!this.isDisposed)
{
if (this.collectionObject.options.Rewindable)
{
SecurityHandler securityHandler = this.collectionObject.scope.GetSecurityHandler();
int num1 = 0;
try
{
try
{
num1 = this.collectionObject.scope.GetSecuredIEnumWbemClassObjectHandler(this.enumWbem).Reset_();
}
catch (COMException cOMException1)
{
COMException cOMException = cOMException1;
ManagementException.ThrowWithExtendedInfo(cOMException);
}
}
finally
{
securityHandler.Reset();
}
if (((long)num1 & (long)-4096) != (long)-2147217408)
{
if (((long)num1 & (long)-2147483648) != (long)0)
{
Marshal.ThrowExceptionForHR(num1);
}
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num1);
}
if (this.cacheIndex >= 0)
{
num = this.cacheIndex;
}
else
{
num = 0;
}
for (int i = num; (long)i < (long)this.cachedCount; i++)
{
Marshal.ReleaseComObject((IWbemClassObject_DoNotMarshal)Marshal.GetObjectForIUnknown(this.cachedObjects[i]));
}
this.cachedCount = 0;
this.cacheIndex = -1;
this.atEndOfCollection = false;
return;
}
else
{
throw new InvalidOperationException();
}
}
else
{
throw new ObjectDisposedException(ManagementObjectCollection.ManagementObjectEnumerator.name);
}
}
public ManagementBaseObject WaitForNextEvent()
{
unsafe
{
int totalMilliseconds;
ManagementBaseObject managementBaseObject = null;
this.Initialize();
lock (this)
{
SecurityHandler securityHandler = this.Scope.GetSecurityHandler();
int num = 0;
try
{
if (this.enumWbem == null)
{
num = this.scope.GetSecuredIWbemServicesHandler(this.Scope.GetIWbemServices()).ExecNotificationQuery_(this.query.QueryLanguage, this.query.QueryString, this.options.Flags, this.options.GetContext(), ref this.enumWbem);
}
if (num >= 0)
{
if (this.cachedCount - this.cacheIndex == 0)
{
IWbemClassObject_DoNotMarshal[] wbemClassObjectDoNotMarshalArray = new IWbemClassObject_DoNotMarshal[this.options.BlockSize];
if (ManagementOptions.InfiniteTimeout == this.options.Timeout)
{
totalMilliseconds = -1;
}
else
{
TimeSpan timeout = this.options.Timeout;
totalMilliseconds = (int)timeout.TotalMilliseconds;
}
int num1 = totalMilliseconds;
num = this.scope.GetSecuredIEnumWbemClassObjectHandler(this.enumWbem).Next_(num1, this.options.BlockSize, wbemClassObjectDoNotMarshalArray, ref this.cachedCount);
this.cacheIndex = 0;
if (num >= 0)
{
if (this.cachedCount == 0)
{
ManagementException.ThrowWithExtendedInfo(ManagementStatus.Timedout);
}
for (int i = 0; (long)i < (long)this.cachedCount; i++)
{
this.cachedObjects[i] = new IWbemClassObjectFreeThreaded(Marshal.GetIUnknownForObject(wbemClassObjectDoNotMarshalArray[i].NativeObject));
}
}
}
if (num >= 0)
{
ManagementEventWatcher managementEventWatcher = this;
managementEventWatcher.cacheIndex = managementEventWatcher.cacheIndex + 1;
}
}
}
finally
{
securityHandler.Reset();
}
if (num < 0)
{
if (((long)num & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(num);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num);
}
}
}
return(managementBaseObject);
}
}
/// <summary>
/// <para>Waits for the next event that matches the specified query to arrive, and
/// then returns it.</para>
/// </summary>
/// <returns>
/// <para>A <see cref='System.Management.ManagementBaseObject'/> representing the
/// newly arrived event.</para>
/// </returns>
/// <remarks>
/// <para>If the event watcher object contains options with
/// a specified timeout, the API will wait for the next event only for the specified
/// amount of time; otherwise, the API will be blocked until the next event occurs.</para>
/// </remarks>
public ManagementBaseObject WaitForNextEvent()
{
ManagementBaseObject obj = null;
Initialize();
lock (this)
{
SecurityHandler securityHandler = Scope.GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
try
{
if (null == enumWbem) //don't have an enumerator yet - get it
{
//Execute the query
status = Scope.GetIWbemServices().ExecNotificationQuery_(
query.QueryLanguage,
query.QueryString,
options.Flags,
options.GetContext(),
out enumWbem);
//Set security on enumerator
if (status >= 0)
{
securityHandler.Secure(enumWbem);
}
}
if (status >= 0)
{
if ((cachedCount - cacheIndex) == 0) //cache is empty - need to get more objects
{
#if true
//Because Interop doesn't support custom marshalling for arrays, we have to use
//the "DoNotMarshal" objects in the interop and then convert to the "FreeThreaded"
//counterparts afterwards.
IWbemClassObject_DoNotMarshal[] tempArray = new IWbemClassObject_DoNotMarshal[options.BlockSize];
int timeout = (ManagementOptions.InfiniteTimeout == options.Timeout)
? (int)tag_WBEM_TIMEOUT_TYPE.WBEM_INFINITE :
(int)options.Timeout.TotalMilliseconds;
status = enumWbem.Next_(timeout, (uint)options.BlockSize,
tempArray, out cachedCount);
cacheIndex = 0;
if (status >= 0)
{
//Convert results and put them in cache. Note that we may have timed out
//in which case we might not have all the objects. If no object can be returned
//we throw a timeout exception... - TODO: what should happen if there was a timeout
//but at least some objects were returned ??
if (cachedCount == 0)
{
ManagementException.ThrowWithExtendedInfo(ManagementStatus.Timedout);
}
for (int i = 0; i < cachedCount; i++)
{
cachedObjects[i] = new IWbemClassObjectFreeThreaded(Marshal.GetIUnknownForObject(tempArray[i]));
}
}
#else
//This was workaround when using TLBIMP we couldn't pass in arrays...
IWbemClassObjectFreeThreaded cachedObject = cachedObjects[0];
int timeout = (ManagementOptions.InfiniteTimeout == options.Timeout)
? (int)tag_WBEM_TIMEOUT_TYPE.WBEM_INFINITE :
(int)options.Timeout.TotalMilliseconds;
status = enumWbem.Next_(timeout, 1, out cachedObjects, out cachedCount);
cacheIndex = 0;
if (status >= 0)
{
//Create ManagementObject for result. Note that we may have timed out
//in which case we won't have an object
if (null == cachedObject)
{
ManagementException.ThrowWithExtendedInfo(ManagementStatus.Timedout);
}
cachedObjects[0] = cachedObject;
}
#endif
}
if (status >= 0)
{
obj = new ManagementBaseObject(cachedObjects[cacheIndex]);
cacheIndex++;
}
}
}
finally
{
securityHandler.Reset();
}
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else
{
Marshal.ThrowExceptionForHR(status);
}
}
}
return(obj);
}
//****************************************
//MoveNext
//****************************************
/// <summary>
/// Moves to the next object in the enumeration
/// </summary>
public bool MoveNext()
{
if (isDisposed)
{
throw new ObjectDisposedException("ManagementObjectEnumerator");
}
//If there are no more objects in the collection return false
if (atEndOfCollection)
{
return(false);
}
//Look for the next object
cacheIndex++;
if ((cachedCount - cacheIndex) == 0) //cache is empty - need to get more objects
{
//If the timeout is set to infinite, need to use the WMI infinite constant
int timeout = (collectionObject.options.Timeout.Ticks == Int64.MaxValue) ?
(int)tag_WBEM_TIMEOUT_TYPE.WBEM_INFINITE : (int)collectionObject.options.Timeout.TotalMilliseconds;
//Get the next [BLockSize] objects within the specified timeout
// TODO - cannot use arrays of IWbemClassObject with a TLBIMP
// generated wrapper
SecurityHandler securityHandler = collectionObject.scope.GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
#if false
status = enumWbem.Next(timeout, collectionObject.options.BlockSize, out cachedObjects, out cachedCount);
#else
IWbemClassObjectFreeThreaded obj = null;
try {
status = enumWbem.Next_(timeout, 1, out obj, out cachedCount);
}
catch (Exception e) {
ManagementException.ThrowWithExtendedInfo(e);
}
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status);
}
cachedObjects[0] = obj;
#endif
// BUGBUG : Review this
//Check the return code - might be failure, timeout or WBEM_S_FALSE...
if (status != 0) //not success
{
//If it's anything but WBEM_S_FALSE (which means end of collection) - we need to throw
if (status != (int)tag_WBEMSTATUS.WBEM_S_FALSE)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
//if we got less objects than we wanted, need to check why...
if (cachedCount < collectionObject.options.BlockSize)
{
//If no objects were returned we're at the very end
if (cachedCount == 0)
{
atEndOfCollection = true;
cacheIndex--; //back to last object
//Release the COM object (so that the user doesn't have to)
Dispose();
return(false);
}
}
}
cacheIndex = 0;
securityHandler.Reset();
}
else
{
//Advance the index to the next
cacheIndex++;
}
return(true);
}
public WMIException(ManagementException ex)
: base(GetExceptionText(ex),ex)
{
}
//int statusFromMTA;
void InitializeGuts(object o)
{
ManagementScope threadParam = (ManagementScope)o;
IWbemLocator loc = (IWbemLocator) new WbemLocator();
if (null == options)
{
threadParam.Options = new ConnectionOptions();
}
string nsPath = threadParam.prvpath.GetNamespacePath((int)tag_WBEM_GET_TEXT_FLAGS.WBEMPATH_GET_SERVER_AND_NAMESPACE_ONLY);
// If no namespace specified, fill in the default one
if ((null == nsPath) || (0 == nsPath.Length))
{
// NB: we use a special method to set the namespace
// path here as we do NOT want to trigger an
// IdentifierChanged event as a result of this set
bool bUnused;
nsPath = threadParam.prvpath.SetNamespacePath(ManagementPath.DefaultPath.Path, out bUnused);
}
// If we have privileges to enable, now is the time
SecurityHandler securityHandler = GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
//If we're on XP or higher, always use the "max_wait" flag to avoid hanging
if ((Environment.OSVersion.Platform == PlatformID.Win32NT) &&
(Environment.OSVersion.Version.Major >= 5) &&
(Environment.OSVersion.Version.Minor >= 1))
{
threadParam.options.Flags |= (int)tag_WBEM_CONNECT_OPTIONS.WBEM_FLAG_CONNECT_USE_MAX_WAIT;
}
try
{
status = loc.ConnectServer_(
nsPath,
threadParam.options.Username,
threadParam.options.GetPassword(),
threadParam.options.Locale,
threadParam.options.Flags,
threadParam.options.Authority,
threadParam.options.GetContext(),
out threadParam.wbemServices);
//Set security on services pointer
GetSecurityHandler().Secure(threadParam.wbemServices);
//
// RAID: 127453 [marioh]
// Make sure we enable RPC garbage collection to avoid tons
// of useless idle connections not being recycled. This only
// has impact on Win2k and below since XP has this enabled by
// default.
//
if (rpcGarbageCollectionEnabled == false)
{
RpcMgmtEnableIdleCleanup( );
rpcGarbageCollectionEnabled = true;
}
Marshal.ReleaseComObject(loc);
loc = null;
}
catch (Exception e)
{
// BUGBUG : securityHandler.Reset()?
ManagementException.ThrowWithExtendedInfo(e);
}
finally
{
securityHandler.Reset();
}
//statusFromMTA = status;
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
public static bool HandleManagementException(ManagementException manex)
{
if ((manex.ErrorCode == ManagementStatus.InvalidObject) ||
(manex.ErrorCode == ManagementStatus.InvalidClass))
{
return true;
}
return false;
}
internal void SetNamespacePath(string nsPath)
{
int status = (int)ManagementStatus.NoError;
ManagementPath newPath = new ManagementPath(nsPath);
if (null == newPath.wmiPath)
{
newPath.wmiPath = (IWbemPath) new WbemDefPath();
}
// Remove all existing namespaces from the current path
if (null != wmiPath)
{
status = wmiPath.RemoveAllNamespaces_();
}
else
{
wmiPath = (IWbemPath) new WbemDefPath();
}
// Add the new ones in
uint nCount = 0;
status = newPath.wmiPath.GetNamespaceCount_(out nCount);
if (status >= 0)
{
for (uint i = 0; i < nCount; i++)
{
uint uLen = 0;
status = newPath.wmiPath.GetNamespaceAt_(i, ref uLen, null);
if (status >= 0)
{
string nSpace = new String('0', (int)uLen - 1);
status = newPath.wmiPath.GetNamespaceAt_(i, ref uLen, nSpace);
if (status >= 0)
{
status = wmiPath.SetNamespaceAt_(i, nSpace);
if (status < 0)
{
break;
}
}
else
{
break;
}
}
else
{
break;
}
}
}
//
// Update Server property if specified in the namespace.
//
if (status >= 0 && nCount > 0) // Successfully set namespace.
{
uint bufLen = 0;
status = newPath.wmiPath.GetServer_(ref bufLen, null);
if (status >= 0 && bufLen > 0)
{
String server = new String('0', (int)bufLen - 1);
status = newPath.wmiPath.GetServer_(ref bufLen, server);
if (status >= 0) // Can't use property set since it will do a get.
{
status = wmiPath.SetServer_(server);
}
}
}
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else
{
Marshal.ThrowExceptionForHR(status);
}
}
}
public bool MoveNext()
{
int totalMilliseconds;
if (!this.isDisposed)
{
if (!this.atEndOfCollection)
{
ManagementObjectCollection.ManagementObjectEnumerator managementObjectEnumerator = this;
managementObjectEnumerator.cacheIndex = managementObjectEnumerator.cacheIndex + 1;
if ((long)this.cachedCount - (long)this.cacheIndex == (long)0)
{
TimeSpan timeout = this.collectionObject.options.Timeout;
if (timeout.Ticks == 0x7fffffffffffffffL)
{
totalMilliseconds = -1;
}
else
{
TimeSpan timeSpan = this.collectionObject.options.Timeout;
totalMilliseconds = (int)timeSpan.TotalMilliseconds;
}
int num = totalMilliseconds;
SecurityHandler securityHandler = this.collectionObject.scope.GetSecurityHandler();
IWbemClassObject_DoNotMarshal[] wbemClassObjectDoNotMarshalArray = new IWbemClassObject_DoNotMarshal[this.collectionObject.options.BlockSize];
int num1 = this.collectionObject.scope.GetSecuredIEnumWbemClassObjectHandler(this.enumWbem).Next_(num, this.collectionObject.options.BlockSize, wbemClassObjectDoNotMarshalArray, ref this.cachedCount);
securityHandler.Reset();
if (num1 >= 0)
{
for (int i = 0; (long)i < (long)this.cachedCount; i++)
{
IntPtr ptr = Marshal.GetIUnknownForObject(wbemClassObjectDoNotMarshalArray[i].NativeObject);
this.cachedObjects[i] = new IWbemClassObjectFreeThreaded(ptr);
}
}
if (num1 >= 0)
{
if (num1 == 0x40004 && this.cachedCount == 0)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num1);
}
if (num1 == 1 && this.cachedCount == 0)
{
this.atEndOfCollection = true;
ManagementObjectCollection.ManagementObjectEnumerator managementObjectEnumerator1 = this;
managementObjectEnumerator1.cacheIndex = managementObjectEnumerator1.cacheIndex - 1;
return(false);
}
}
else
{
if (((long)num1 & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(num1);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)num1);
}
}
this.cacheIndex = 0;
}
return(true);
}
else
{
return(false);
}
}
else
{
throw new ObjectDisposedException(ManagementObjectCollection.ManagementObjectEnumerator.name);
}
}
public void CopyTo(Array array, int index)
{
IWbemQualifierSetFreeThreaded typeQualifierSet;
if (array != null)
{
if (index < array.GetLowerBound(0) || index > array.GetUpperBound(0))
{
throw new ArgumentOutOfRangeException("index");
}
else
{
string[] strArrays = null;
try
{
typeQualifierSet = this.GetTypeQualifierSet();
}
catch (ManagementException managementException1)
{
ManagementException managementException = managementException1;
if (this.qualifierSetType != QualifierType.PropertyQualifier || managementException.ErrorCode != ManagementStatus.SystemProperty)
{
throw;
}
else
{
return;
}
}
int names_ = typeQualifierSet.GetNames_(0, out strArrays);
if (names_ < 0)
{
if (((long)names_ & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(names_);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)names_);
}
}
if (index + (int)strArrays.Length <= array.Length)
{
string[] strArrays1 = strArrays;
for (int i = 0; i < (int)strArrays1.Length; i++)
{
string str = strArrays1[i];
int num = index;
index = num + 1;
array.SetValue(new QualifierData(this.parent, this.propertyOrMethodName, str, this.qualifierSetType), num);
}
}
else
{
throw new ArgumentException(null, "index");
}
return;
}
}
else
{
throw new ArgumentNullException("array");
}
}
//
//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));
}
}
// 例外がスローされた時に出力に例外内容を表示
public void DispException(ManagementException manageExc)
{
string exceptionMsg = "エラーコード：" + manageExc.ErrorCode + "エラー内容：" + manageExc.Message + "エラー原因：" + manageExc.Source;
Debug.Listeners.Add(new TextWriterTraceListener(Console.Out));
Debug.WriteLine(exceptionMsg);
}
internal string SetNamespacePath(string nsPath, out bool bChange)
{
int status = (int)ManagementStatus.NoError;
string nsOrg = null;
string nsNew = null;
IWbemPath wmiPathTmp = null;
bChange = false;
Debug.Assert(nsPath != null);
//Do some validation on the path to make sure it is a valid namespace path (at least syntactically)
if (!IsValidNamespaceSyntax(nsPath))
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)tag_WBEMSTATUS.WBEM_E_INVALID_NAMESPACE);
}
wmiPathTmp = CreateWbemPath(nsPath);
if (wmiPath == null)
{
wmiPath = this.CreateWbemPath("");
}
else if (isWbemPathShared)
{
// Check if this IWbemPath is shared among multiple managed objects.
// With this write, it will have to maintain its own copy.
wmiPath = CreateWbemPath(this.GetWbemPath());
isWbemPathShared = false;
}
nsOrg = GetNamespacePath(wmiPath,
(int)tag_WBEM_GET_TEXT_FLAGS.WBEMPATH_GET_NAMESPACE_ONLY);
nsNew = GetNamespacePath(wmiPathTmp,
(int)tag_WBEM_GET_TEXT_FLAGS.WBEMPATH_GET_NAMESPACE_ONLY);
if (!string.Equals(nsOrg, nsNew, StringComparison.OrdinalIgnoreCase))
{
wmiPath.RemoveAllNamespaces_(); // Out with the old... Ignore status code.
// Add the new ones in
bChange = true; // Now dirty from above.
uint nCount = 0;
status = wmiPathTmp.GetNamespaceCount_(out nCount);
if (status >= 0)
{
for (uint i = 0; i < nCount; i++)
{
uint uLen = 0;
status = wmiPathTmp.GetNamespaceAt_(i, ref uLen, null);
if (status >= 0)
{
string nSpace = new string('0', (int)uLen - 1);
status = wmiPathTmp.GetNamespaceAt_(i, ref uLen, nSpace);
if (status >= 0)
{
status = wmiPath.SetNamespaceAt_(i, nSpace);
if (status < 0)
{
break;
}
}
else
{
break;
}
}
else
{
break;
}
}
}
}
else
{
;
} // Continue on. Could have different server name, same ns specified.
//
// Update Server property if specified in the namespace.
// eg: "\\MyServer\root\cimv2".
//
if (status >= 0 && nsPath.Length > 1 &&
(nsPath[0] == '\\' && nsPath[1] == '\\' ||
nsPath[0] == '/' && nsPath[1] == '/'))
{
uint uLen = 0;
status = wmiPathTmp.GetServer_(ref uLen, null);
if (status >= 0 && uLen > 0)
{
string serverNew = new string ('0', (int)uLen - 1);
status = wmiPathTmp.GetServer_(ref uLen, serverNew);
if (status >= 0)
{
// Compare server name on this object, if specified, to the caller's.
// Update this object if different or unspecified.
uLen = 0;
status = wmiPath.GetServer_(ref uLen, null); // NB: Cannot use property get since it may throw.
if (status >= 0)
{
string serverOrg = new string('0', (int)uLen - 1);
status = wmiPath.GetServer_(ref uLen, serverOrg);
if (status >= 0 && !string.Equals(serverOrg, serverNew, StringComparison.OrdinalIgnoreCase))
{
status = wmiPath.SetServer_(serverNew);
}
}
else if (status == (int)tag_WBEMSTATUS.WBEM_E_NOT_AVAILABLE)
{
status = wmiPath.SetServer_(serverNew);
if (status >= 0)
{
bChange = true;
}
}
}
}
else if (status == (int)tag_WBEMSTATUS.WBEM_E_NOT_AVAILABLE) // No caller-supplied server name;
{
status = (int)ManagementStatus.NoError; // Ignore error.
}
}
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else
{
Marshal.ThrowExceptionForHR(status, WmiNetUtilsHelper.GetErrorInfo_f());
}
}
return(nsNew);
}
//********************************************
//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);
}
//Create a new collection object for the results
return(new ManagementObjectCollection(scope, options, ew));
}//Get()
//******************************************************
//GetText
//******************************************************
/// <summary>
/// <para>Returns a textual representation of the object in the specified format.</para>
/// </summary>
/// <param name='format'>The requested textual format. </param>
/// <returns>
/// <para>The textual representation of the
/// object in the specified format.</para>
/// </returns>
public string GetText(TextFormat format)
{
string objText = null;
int status = (int)ManagementStatus.NoError;
//
// Removed Initialize call since wbemObject is a property that will call Initialize ( true ) on
// its getter.
//
switch (format)
{
case TextFormat.Mof:
status = wbemObject.GetObjectText_(0, out objText);
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else
{
Marshal.ThrowExceptionForHR(status, WmiNetUtilsHelper.GetErrorInfo_f());
}
}
return(objText);
case TextFormat.CimDtd20:
case TextFormat.WmiDtd20:
//This may throw on non-XP platforms... - should we catch ?
IWbemObjectTextSrc wbemTextSrc = (IWbemObjectTextSrc) new WbemObjectTextSrc();
IWbemContext ctx = (IWbemContext) new WbemContext();
object v = (bool)true;
ctx.SetValue_("IncludeQualifiers", 0, ref v);
ctx.SetValue_("IncludeClassOrigin", 0, ref v);
if (wbemTextSrc != null)
{
status = wbemTextSrc.GetText_(0,
(IWbemClassObject_DoNotMarshal)(Marshal.GetObjectForIUnknown(wbemObject)),
(uint)format, //note: this assumes the format enum has the same values as the underlying WMI enum !!
ctx,
out objText);
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else
{
Marshal.ThrowExceptionForHR(status, WmiNetUtilsHelper.GetErrorInfo_f());
}
}
}
return(objText);
default:
return(null);
}
}
/// <summary>
/// <para>Waits until the next event that matches the specified query arrives,
/// and returns it</para>
/// </summary>
/// <remarks>
/// If the event watcher object contains
/// options with a specified timeout, this API will wait for the next event only for
/// the specified time. If not, the API will block until the next event occurs.
/// </remarks>
public ManagementBaseObject WaitForNextEvent()
{
Trace.WriteLine("Entering WaitForNextEvent...");
ManagementBaseObject obj = null;
Initialize();
lock (this)
{
SecurityHandler securityHandler = Scope.GetSecurityHandler();
int status = (int)ManagementStatus.NoError;
try
{
if (null == enumWbem) //don't have an enumerator yet - get it
{
//Execute the query
status = Scope.GetIWbemServices().ExecNotificationQuery_(
query.QueryLanguage,
query.QueryString,
options.Flags,
options.GetContext(),
out enumWbem);
//Set security on enumerator
if ((status & 0x80000000) == 0)
{
securityHandler.Secure(enumWbem);
}
}
if ((status & 0x80000000) == 0)
{
if ((cachedCount - cacheIndex) == 0) //cache is empty - need to get more objects
{
// TODO - due to TLBIMP restrictions IEnumWBemClassObject.Next will
// not work with arrays - have to set count to 1
#if false
enumWbem.Next((int)options.Timeout.TotalMilliseconds, (uint)options.BlockCount,
out cachedObjects, out cachedCount);
#else
IWbemClassObjectFreeThreaded cachedObject = cachedObjects[0];
int timeout = (ManagementOptions.InfiniteTimeout == options.Timeout)
? (int)tag_WBEM_TIMEOUT_TYPE.WBEM_INFINITE :
(int)options.Timeout.TotalMilliseconds;
status = enumWbem.Next_(timeout, 1, out cachedObject, out cachedCount);
cacheIndex = 0;
if ((status & 0x80000000) == 0)
{
//Create ManagementObject for result. Note that we may have timed out
//in which case we won't have an object
if (null == cachedObject)
{
ManagementException.ThrowWithExtendedInfo(ManagementStatus.Timedout);
}
cachedObjects[0] = cachedObject;
}
#endif
}
if ((status & 0x80000000) == 0)
{
obj = new ManagementBaseObject(cachedObjects[cacheIndex]);
cacheIndex++;
}
}
} catch (Exception e) {
// BUGBUG : securityHandler.Reset()?
if (e is ManagementException)
{
throw; //just let it propagate
}
ManagementException.ThrowWithExtendedInfo(e);
}
finally {
securityHandler.Reset();
Trace.WriteLine("Returning from WaitForNextEvent...");
}
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
return(obj);
}
