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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include <windows.h>
#include <msclr\lock.h>
#include "qpid/client/AsyncSession.h"
#include "qpid/framing/FrameSet.h"
#include "qpid/client/SubscriptionManager.h"
#include "qpid/client/Connection.h"
#include "qpid/client/Message.h"
#include "qpid/client/MessageListener.h"
#include "qpid/client/Demux.h"
#include "qpid/client/SessionImpl.h"
#include "qpid/client/SessionBase_0_10Access.h"
#include "MessageBodyStream.h"
#include "AmqpMessage.h"
#include "AmqpSession.h"
#include "InputLink.h"
#include "CompletionWaiter.h"
namespace Apache {
namespace Qpid {
namespace Interop {
using namespace System;
using namespace System::Threading;
using namespace msclr;
// A class to provide IAsyncResult semantics for a qpid AsyncSession command (i.e. 0-10 messageTransfer)
// when the client session receives a "Completion" notification from the Broker.
CompletionWaiter::CompletionWaiter(AmqpSession^ parent, TimeSpan timeSpan, IntPtr future, AsyncCallback^ callback, Object^ state)
{
this->qpidFuture = future;
this->asyncCallback = callback;
this->state = state;
this->parent = parent;
this->thisLock = gcnew Object();
// do this after the Completion Waiter is fully initialized, in case of
// very small timespan
if (timeSpan != TimeSpan::MaxValue) {
this->timer = gcnew Timer(timeoutCallback, this, timeSpan, TimeSpan::FromMilliseconds(-1));
}
}
void CompletionWaiter::WaitForCompletion()
{
if (isCompleted)
return;
lock l(thisLock);
while (!isCompleted) {
Monitor::Wait(thisLock);
}
}
void CompletionWaiter::Run()
{
// no locks required in this method
if (isCompleted)
return;
try {
// Wait for the arrival of the "AMQP Completion" indication from the Broker
parent->internalWaitForCompletion(qpidFuture);
}
catch (System::Exception^ e) {
runException = e;
}
finally {
delete(qpidFuture.ToPointer());
qpidFuture = (IntPtr) NULL;
}
if (timer != nullptr) {
timer->~Timer();
timer = nullptr;
}
Complete(false);
}
// "Complete" here means complete the AsyncResult, which may precede broker "command completion" if timed out
void CompletionWaiter::Complete(bool isTimerThread)
{
lock l(thisLock);
if (isCompleted)
return;
isCompleted = true;
if (isTimerThread)
timedOut = true;
Monitor::PulseAll(thisLock);
// do this check and signal while locked
if (asyncWaitHandle != nullptr)
asyncWaitHandle->Set();
l.release();
parent->removeWaiter(this);
if (asyncCallback != nullptr) {
// guard against application callback exception
try {
asyncCallback(this);
}
catch (System::Exception^) {
// log it?
}
}
}
void CompletionWaiter::TimeoutCallback(Object^ state)
{
CompletionWaiter^ waiter = (CompletionWaiter^) state;
waiter->Complete(true);
}
}}} // namespace Apache::Qpid::Interop
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