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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 "CompletionTracker.h"
using qpid::client::CompletionTracker;
using namespace qpid::framing;
using namespace boost;
CompletionTracker::CompletionTracker() {}
CompletionTracker::CompletionTracker(const SequenceNumber& m) : mark(m) {}
void CompletionTracker::completed(const SequenceNumber& _mark)
{
sys::Mutex::ScopedLock l(lock);
mark = _mark;
while (!listeners.empty() && !(listeners.front().first > mark)) {
Listener f(listeners.front().second);
{
sys::Mutex::ScopedUnlock u(lock);
f();
}
listeners.pop();
}
}
void CompletionTracker::listen(const SequenceNumber& point, Listener listener)
{
if (!add(point, listener)) {
listener();
}
}
bool CompletionTracker::add(const SequenceNumber& point, Listener listener)
{
sys::Mutex::ScopedLock l(lock);
if (point < mark) {
return false;
} else {
listeners.push(make_pair(point, listener));
return true;
}
}
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