public void Send(NativeMsmqMessage message, MsmqTransactionMode transactionMode)
{
int error = 0;
if (this.RequiresDtcTransaction(transactionMode))
{
error = this.SendDtcTransacted(message, transactionMode);
}
else
{
MsmqQueueHandle handle = this.GetHandle();
IntPtr properties = message.Pin();
try
{
error = UnsafeNativeMethods.MQSendMessage(handle, properties, (IntPtr)this.GetTransactionConstant(transactionMode));
}
finally
{
message.Unpin();
}
}
if (error != 0)
{
if (IsErrorDueToStaleHandle(error))
{
this.HandleIsStale(this.handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqSendError", new object[] { MsmqError.GetErrorString(error) }), error));
}
}
public void MarkMessageRejected(long lookupId)
{
MsmqQueueHandle handle = this.GetHandle();
int error = 0;
try
{
error = UnsafeNativeMethods.MQMarkMessageRejected(handle, lookupId);
}
catch (ObjectDisposedException exception)
{
MsmqDiagnostics.ExpectedException(exception);
}
if (error != 0)
{
if (IsErrorDueToStaleHandle(error))
{
this.HandleIsStale(handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqSendError", new object[] { MsmqError.GetErrorString(error) }), error));
}
}
internal virtual MsmqQueueHandle OpenQueue()
{
MsmqQueueHandle handle;
int error = UnsafeNativeMethods.MQOpenQueue(this.formatName, this.accessMode, this.shareMode, out handle);
if (error != 0)
{
Utility.CloseInvalidOutSafeHandle(handle);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqOpenError", new object[] { MsmqError.GetErrorString(error) }), error));
}
MsmqDiagnostics.QueueOpened(this.formatName);
return(handle);
}
public override ReceiveResult TryReceive(NativeMsmqMessage message, TimeSpan timeout, MsmqTransactionMode transactionMode)
{
// ignore the transactionMode
TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
MsmqQueueHandle handle = GetHandle();
while (true)
{
int error = PeekLockCore(handle, (MsmqInputMessage)message, timeoutHelper.RemainingTime());
if (error == 0)
{
return(ReceiveResult.MessageReceived);
}
if (IsReceiveErrorDueToInsufficientBuffer(error))
{
message.GrowBuffers();
continue;
}
else if (error == UnsafeNativeMethods.MQ_ERROR_IO_TIMEOUT)
{
return(ReceiveResult.Timeout);
}
else if (error == UnsafeNativeMethods.MQ_ERROR_OPERATION_CANCELLED)
{
return(ReceiveResult.OperationCancelled);
}
else if (error == UnsafeNativeMethods.MQ_ERROR_INVALID_HANDLE)
{
// should happen only if racing with Close
return(ReceiveResult.OperationCancelled);
}
else if (IsErrorDueToStaleHandle(error))
{
HandleIsStale(handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MsmqReceiveError, MsmqError.GetErrorString(error)), error));
}
}
public static void GetMsmqInformation(ref Version version, ref bool activeDirectoryEnabled)
{
PrivateComputerProperties properties = new PrivateComputerProperties();
using (properties)
{
IntPtr ptr = properties.Pin();
try
{
int error = UnsafeNativeMethods.MQGetPrivateComputerInformation(null, ptr);
if (error != 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqGetPrivateComputerInformationError", new object[] { MsmqError.GetErrorString(error) }), error));
}
int num2 = properties.Version.Value;
version = new Version(num2 >> 0x18, (num2 & 0xff0000) >> 0x10, num2 & 0xffff);
activeDirectoryEnabled = properties.ActiveDirectory.Value;
}
finally
{
properties.Unpin();
}
}
}
private ReceiveResult TryReceiveInternal(NativeMsmqMessage message, TimeSpan timeout, MsmqTransactionMode transactionMode, int action)
{
TimeoutHelper helper = new TimeoutHelper(timeout);
MsmqQueueHandle handle = this.GetHandle();
while (true)
{
int error = this.ReceiveCore(handle, message, helper.RemainingTime(), transactionMode, action);
if (error == 0)
{
return(ReceiveResult.MessageReceived);
}
if (!IsReceiveErrorDueToInsufficientBuffer(error))
{
if (error == -1072824293)
{
return(ReceiveResult.Timeout);
}
if (error == -1072824312)
{
return(ReceiveResult.OperationCancelled);
}
if (error == -1072824313)
{
return(ReceiveResult.OperationCancelled);
}
if (IsErrorDueToStaleHandle(error))
{
this.HandleIsStale(handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqReceiveError", new object[] { MsmqError.GetErrorString(error) }), error));
}
message.GrowBuffers();
}
}
private bool TryOpenLockQueueForCollection(string subqueueName, out MsmqQueue lockQueue)
{
lockQueue = null;
string formatName = base.formatName + ";" + subqueueName;
int accessMode = 1;
int shareMode = 1;
try
{
int error = 0;
if (MsmqQueue.IsQueueOpenable(formatName, accessMode, shareMode, out error))
{
lockQueue = new MsmqQueue(formatName, accessMode, shareMode);
lockQueue.EnsureOpen();
}
else
{
if ((error != -1072824311) && (error != -1072824317))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqOpenError", new object[] { MsmqError.GetErrorString(error) }), error));
}
return(false);
}
}
catch (MsmqException)
{
return(false);
}
return(true);
}
void OnCompletion(int error, bool completedSynchronously)
{
Exception completionException = null;
this.receiveResult = ReceiveResult.MessageReceived;
try
{
if (error != 0)
{
if (error == UnsafeNativeMethods.MQ_ERROR_IO_TIMEOUT)
{
this.receiveResult = ReceiveResult.Timeout;
}
else if (error == UnsafeNativeMethods.MQ_ERROR_OPERATION_CANCELLED)
{
this.receiveResult = ReceiveResult.OperationCancelled;
}
else
{
if (IsReceiveErrorDueToInsufficientBuffer(error))
{
this.message.Unpin();
message.GrowBuffers();
StartReceive(completedSynchronously);
return;
}
else if (IsErrorDueToStaleHandle(error))
{
this.msmqQueue.HandleIsStale(this.handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MsmqReceiveError, MsmqError.GetErrorString(error)), error));
}
}
}
catch (Exception e)
{
if (e is NullReferenceException || e is SEHException)
{
throw;
}
completionException = e;
}
this.message.Unpin();
Complete(completedSynchronously, completionException);
}
private bool TryOpenLockQueueForCollection(string subqueueName, out MsmqQueue lockQueue)
{
lockQueue = null;
string formatName = this.formatName + ";" + subqueueName;
int accessMode = UnsafeNativeMethods.MQ_RECEIVE_ACCESS;
int shareMode = UnsafeNativeMethods.MQ_DENY_RECEIVE_SHARE;
try
{
int error = 0;
if (MsmqQueue.IsQueueOpenable(formatName, accessMode, shareMode, out error))
{
lockQueue = new MsmqQueue(formatName, accessMode, shareMode);
lockQueue.EnsureOpen();
}
else
{
// The lock subqueue is either being actively used by a channel or is not available.
// So, we do not have to collect this lock queue.
if (error == UnsafeNativeMethods.MQ_ERROR_SHARING_VIOLATION ||
error == UnsafeNativeMethods.MQ_ERROR_QUEUE_NOT_FOUND)
{
return(false);
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MsmqOpenError, MsmqError.GetErrorString(error)), error));
}
}
}
catch (MsmqException)
{
// The error has already been logged. Since this function is to decide whether to collect
// the lock queue, we return false.
return(false);
}
return(true);
}
public MoveReceiveResult TryReceiveByLookupId(long lookupId, NativeMsmqMessage message, MsmqTransactionMode transactionMode, int action)
{
MsmqQueueHandle handle = GetHandle();
int error = 0;
while (true)
{
try
{
error = ReceiveByLookupIdCore(handle, lookupId, message, transactionMode, action);
}
catch (ObjectDisposedException ex)
{
// ---- with Close
MsmqDiagnostics.ExpectedException(ex);
return(MoveReceiveResult.Succeeded);
}
if (0 == error)
{
return(MoveReceiveResult.Succeeded);
}
if (IsReceiveErrorDueToInsufficientBuffer(error))
{
message.GrowBuffers();
continue;
}
else if (UnsafeNativeMethods.MQ_ERROR_MESSAGE_NOT_FOUND == error)
{
return(MoveReceiveResult.MessageNotFound);
}
else if (UnsafeNativeMethods.MQ_ERROR_MESSAGE_LOCKED_UNDER_TRANSACTION == error)
{
return(MoveReceiveResult.MessageLockedUnderTransaction);
}
else if (IsErrorDueToStaleHandle(error))
{
HandleIsStale(handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MsmqReceiveError, MsmqError.GetErrorString(error)), error));
}
}
public void Send(NativeMsmqMessage message, MsmqTransactionMode transactionMode)
{
int error = 0;
if (RequiresDtcTransaction(transactionMode))
{
error = SendDtcTransacted(message, transactionMode);
}
else
{
MsmqQueueHandle handle = GetHandle();
IntPtr nativePropertiesPointer = message.Pin();
try
{
error = UnsafeNativeMethods.MQSendMessage(handle, nativePropertiesPointer,
(IntPtr)GetTransactionConstant(transactionMode));
}
finally
{
message.Unpin();
}
}
if (error != 0)
{
if (IsErrorDueToStaleHandle(error))
{
HandleIsStale(handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MsmqSendError, MsmqError.GetErrorString(error)), error));
}
}
public MoveReceiveResult TryMoveMessage(long lookupId, MsmqQueue destinationQueue, MsmqTransactionMode transactionMode)
{
MsmqQueueHandle sourceQueueHandle = GetHandle();
MsmqQueueHandle destinationQueueHandle = destinationQueue.GetHandle();
int error;
try
{
if (RequiresDtcTransaction(transactionMode))
{
error = TryMoveMessageDtcTransacted(lookupId, sourceQueueHandle, destinationQueueHandle, transactionMode);
}
else
{
error = UnsafeNativeMethods.MQMoveMessage(sourceQueueHandle, destinationQueueHandle,
lookupId, (IntPtr)GetTransactionConstant(transactionMode));
}
}
catch (ObjectDisposedException ex)
{
MsmqDiagnostics.ExpectedException(ex);
return(MoveReceiveResult.Succeeded);
}
if (error != 0)
{
if (error == UnsafeNativeMethods.MQ_ERROR_MESSAGE_NOT_FOUND)
{
return(MoveReceiveResult.MessageNotFound);
}
else if (error == UnsafeNativeMethods.MQ_ERROR_MESSAGE_LOCKED_UNDER_TRANSACTION)
{
return(MoveReceiveResult.MessageLockedUnderTransaction);
}
else if (IsErrorDueToStaleHandle(error))
{
HandleIsStale(sourceQueueHandle);
destinationQueue.HandleIsStale(destinationQueueHandle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MsmqSendError,
MsmqError.GetErrorString(error)), error));
}
return(MoveReceiveResult.Succeeded);
}
public static void GetMsmqInformation(ref Version version, ref bool activeDirectoryEnabled)
{
PrivateComputerProperties properties = new PrivateComputerProperties();
using (properties)
{
IntPtr nativePropertiesPointer = properties.Pin();
try
{
int error = UnsafeNativeMethods.MQGetPrivateComputerInformation(null,
nativePropertiesPointer);
if (error != 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(
SR.MsmqGetPrivateComputerInformationError, MsmqError.GetErrorString(error)), error));
}
int packedVersion = properties.Version.Value;
version = new Version(
packedVersion >> 24,
(packedVersion & 0x00FF0000) >> 16,
packedVersion & 0xFFFF);
activeDirectoryEnabled = properties.ActiveDirectory.Value;
}
finally
{
properties.Unpin();
}
}
}
public static string FromQueuePath(string queuePath)
{
int len = 256;
StringBuilder buffer = new StringBuilder(len);
int error = UnsafeNativeMethods.MQPathNameToFormatName(queuePath, buffer, ref len);
if (UnsafeNativeMethods.MQ_ERROR_FORMATNAME_BUFFER_TOO_SMALL == error)
{
buffer = new StringBuilder(len);
error = UnsafeNativeMethods.MQPathNameToFormatName(queuePath, buffer, ref len);
}
if (0 != error)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new MsmqException(SR.GetString(SR.MsmqPathLookupError, queuePath, MsmqError.GetErrorString(error)), error));
}
return(buffer.ToString());
}
public MoveReceiveResult TryMoveMessage(long lookupId, MsmqQueue destinationQueue, MsmqTransactionMode transactionMode)
{
int num;
MsmqQueueHandle sourceQueueHandle = this.GetHandle();
MsmqQueueHandle handle = destinationQueue.GetHandle();
try
{
if (this.RequiresDtcTransaction(transactionMode))
{
num = this.TryMoveMessageDtcTransacted(lookupId, sourceQueueHandle, handle, transactionMode);
}
else
{
num = UnsafeNativeMethods.MQMoveMessage(sourceQueueHandle, handle, lookupId, (IntPtr)this.GetTransactionConstant(transactionMode));
}
}
catch (ObjectDisposedException exception)
{
MsmqDiagnostics.ExpectedException(exception);
return(MoveReceiveResult.Succeeded);
}
switch (num)
{
case 0:
return(MoveReceiveResult.Succeeded);
case -1072824184:
return(MoveReceiveResult.MessageNotFound);
case -1072824164:
return(MoveReceiveResult.MessageLockedUnderTransaction);
}
if (IsErrorDueToStaleHandle(num))
{
this.HandleIsStale(sourceQueueHandle);
destinationQueue.HandleIsStale(handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqSendError", new object[] { MsmqError.GetErrorString(num) }), num));
}
internal override MsmqQueueHandle OpenQueue()
{
if (!this.validHostName)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MsmqOpenError,
MsmqError.GetErrorString(UnsafeNativeMethods.MQ_ERROR_UNSUPPORTED_FORMATNAME_OPERATION)),
UnsafeNativeMethods.MQ_ERROR_UNSUPPORTED_FORMATNAME_OPERATION));
}
this.EnsureLockQueuesOpen();
this.mainQueueForMove.EnsureOpen();
// first time collection
this.OnCollectionTimer(null);
return(base.OpenQueue());
}
public MoveReceiveResult TryReceiveByLookupId(long lookupId, NativeMsmqMessage message, MsmqTransactionMode transactionMode, int action)
{
MsmqQueueHandle handle = this.GetHandle();
int error = 0;
while (true)
{
try
{
error = this.ReceiveByLookupIdCore(handle, lookupId, message, transactionMode, action);
}
catch (ObjectDisposedException exception)
{
MsmqDiagnostics.ExpectedException(exception);
return(MoveReceiveResult.Succeeded);
}
if (error == 0)
{
return(MoveReceiveResult.Succeeded);
}
if (!IsReceiveErrorDueToInsufficientBuffer(error))
{
if (-1072824184 == error)
{
return(MoveReceiveResult.MessageNotFound);
}
if (-1072824164 == error)
{
return(MoveReceiveResult.MessageLockedUnderTransaction);
}
if (IsErrorDueToStaleHandle(error))
{
this.HandleIsStale(handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqReceiveError", new object[] { MsmqError.GetErrorString(error) }), error));
}
message.GrowBuffers();
}
}
public static string FromQueuePath(string queuePath)
{
int capacity = 0x100;
StringBuilder formatName = new StringBuilder(capacity);
int error = UnsafeNativeMethods.MQPathNameToFormatName(queuePath, formatName, ref capacity);
if (-1072824289 == error)
{
formatName = new StringBuilder(capacity);
error = UnsafeNativeMethods.MQPathNameToFormatName(queuePath, formatName, ref capacity);
}
if (error != 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqPathLookupError", new object[] { queuePath, MsmqError.GetErrorString(error) }), error));
}
return(formatName.ToString());
}
private void OnCompletion(int error, bool completedSynchronously)
{
Exception exception = null;
this.receiveResult = MsmqQueue.ReceiveResult.MessageReceived;
try
{
if (error != 0)
{
if (error != -1072824293)
{
if (error != -1072824312)
{
if (!MsmqQueue.IsReceiveErrorDueToInsufficientBuffer(error))
{
if (MsmqQueue.IsErrorDueToStaleHandle(error))
{
this.msmqQueue.HandleIsStale(this.handle);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqReceiveError", new object[] { MsmqError.GetErrorString(error) }), error));
}
this.message.Unpin();
this.message.GrowBuffers();
this.StartReceive(completedSynchronously);
return;
}
this.receiveResult = MsmqQueue.ReceiveResult.OperationCancelled;
}
else
{
this.receiveResult = MsmqQueue.ReceiveResult.Timeout;
}
}
}
catch (Exception exception2)
{
if ((exception2 is NullReferenceException) || (exception2 is SEHException))
{
throw;
}
exception = exception2;
}
this.message.Unpin();
base.Complete(completedSynchronously, exception);
}
internal override MsmqQueueHandle OpenQueue()
{
if (!this.validHostName)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MsmqOpenError", new object[] { MsmqError.GetErrorString(-1072824288) }), -1072824288));
}
this.EnsureLockQueuesOpen();
this.mainQueueForMove.EnsureOpen();
this.OnCollectionTimer(null);
return(base.OpenQueue());
}
