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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 "IncompleteMessageList.h"
namespace qpid {
namespace broker {
IncompleteMessageList::IncompleteMessageList() :
callback(boost::bind(&IncompleteMessageList::enqueueComplete, this, _1))
{}
IncompleteMessageList::~IncompleteMessageList()
{
sys::Mutex::ScopedLock l(lock);
std::for_each(incomplete.begin(), incomplete.end(), boost::bind(&Message::resetEnqueueCompleteCallback, _1));
}
void IncompleteMessageList::add(boost::intrusive_ptr<Message> msg)
{
sys::Mutex::ScopedLock l(lock);
msg->setEnqueueCompleteCallback(callback);
incomplete.push_back(msg);
}
void IncompleteMessageList::enqueueComplete(const boost::intrusive_ptr<Message>& ) {
sys::Mutex::ScopedLock l(lock);
lock.notify();
}
void IncompleteMessageList::process(const CompletionListener& listen, bool sync)
{
sys::Mutex::ScopedLock l(lock);
while (!incomplete.empty()) {
boost::intrusive_ptr<Message>& msg = incomplete.front();
if (!msg->isEnqueueComplete()) {
if (sync){
{
sys::Mutex::ScopedUnlock u(lock);
msg->flush(); // Can re-enter IncompleteMessageList::enqueueComplete
}
while (!msg->isEnqueueComplete())
lock.wait();
} else {
//leave the message as incomplete for now
return;
}
}
listen(msg);
incomplete.pop_front();
}
}
void IncompleteMessageList::each(const CompletionListener& listen) {
Messages snapshot;
{
sys::Mutex::ScopedLock l(lock);
snapshot = incomplete;
}
std::for_each(incomplete.begin(), incomplete.end(), listen); // FIXME aconway 2008-11-07: passed by ref or value?
}
}}
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