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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 "Multicaster.h"
#include "Cpg.h"
#include "ClusterLeaveException.h"
#include "qpid/log/Statement.h"
namespace qpid {
namespace cluster {
Multicaster::Multicaster(Cpg& cpg_, const boost::shared_ptr<sys::Poller>& poller) :
cpg(cpg_), queue(boost::bind(&Multicaster::sendMcast, this, _1), poller),
holding(true)
{
queue.start();
}
void Multicaster::mcastControl(const framing::AMQBody& body, const ConnectionId& id) {
mcast(Event::control(body, id));
}
void Multicaster::mcastBuffer(const char* data, size_t size, const ConnectionId& id) {
Event e(DATA, id, size);
memcpy(e.getData(), data, size);
mcast(e);
}
void Multicaster::mcast(const Event& e) {
{
sys::Mutex::ScopedLock l(lock);
if (e.getType() == DATA && e.isConnection() && holding) {
holdingQueue.push_back(e);
QPID_LOG(trace, " MCAST held: " << e );
return;
}
}
queue.push(e);
}
void Multicaster::sendMcast(PollableEventQueue::Queue& values) {
try {
PollableEventQueue::Queue::iterator i = values.begin();
while (i != values.end() && i->mcast(cpg)) {
QPID_LOG(trace, " MCAST " << *i);
++i;
}
values.erase(values.begin(), i);
}
catch (const std::exception& e) {
throw ClusterLeaveException(e.what());
}
}
void Multicaster::release() {
sys::Mutex::ScopedLock l(lock);
holding = false;
std::for_each(holdingQueue.begin(), holdingQueue.end(), boost::bind(&Multicaster::mcast, this, _1));
holdingQueue.clear();
}
}} // namespace qpid::cluster
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