internal void EnsureLockQueuesOpen()
{
int attempts = 0;
// handle lock queue name collisions, if we fail three times in a row it is probably not the name
// collision that is causing the open to fail
while (true)
{
try
{
this.lockQueueForReceive.EnsureOpen();
break;
}
catch (MsmqException ex)
{
if (attempts >= 3)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(ex);
}
MsmqDiagnostics.ExpectedException(ex);
}
this.lockQueueForReceive.Dispose();
this.lockQueueForMove.Dispose();
this.lockQueueName = this.formatName + ";" + MsmqSubqueueLockingQueue.GenerateLockQueueName();
this.lockQueueForReceive = new MsmqQueue(this.lockQueueName, UnsafeNativeMethods.MQ_RECEIVE_ACCESS, UnsafeNativeMethods.MQ_DENY_RECEIVE_SHARE);
this.lockQueueForMove = new MsmqQueue(this.lockQueueName, UnsafeNativeMethods.MQ_MOVE_ACCESS);
attempts++;
}
this.lockQueueForMove.EnsureOpen();
}
public MsmqSubqueueLockingQueue(string formatName, string hostname, int accessMode)
: base(formatName, accessMode)
{
// The hostname will be empty for MsmqIntegrationBinding
if (string.Compare(hostname, string.Empty, StringComparison.OrdinalIgnoreCase) == 0)
{
this.validHostName = MsmqSubqueueLockingQueue.TryGetHostName(formatName, out hostname);
}
else
{
this.validHostName = true;
}
this.disposed = false;
this.lockQueueName = this.formatName + ";" + MsmqSubqueueLockingQueue.GenerateLockQueueName();
this.lockQueueForReceive = new MsmqQueue(this.lockQueueName, UnsafeNativeMethods.MQ_RECEIVE_ACCESS, UnsafeNativeMethods.MQ_DENY_RECEIVE_SHARE);
this.lockQueueForMove = new MsmqQueue(this.lockQueueName, UnsafeNativeMethods.MQ_MOVE_ACCESS);
this.mainQueueForMove = new MsmqQueue(this.formatName, UnsafeNativeMethods.MQ_MOVE_ACCESS);
this.lockCollectionTimer = new IOThreadTimer(new Action <object>(OnCollectionTimer), null, false);
if (string.Compare(hostname, "localhost", StringComparison.OrdinalIgnoreCase) == 0)
{
this.hostname = null;
}
else
{
this.hostname = hostname;
}
}