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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 "RemoteBackup.h"
#include "QueueGuard.h"
#include "qpid/broker/Broker.h"
#include "qpid/broker/Queue.h"
#include "qpid/broker/QueueRegistry.h"
#include <boost/bind.hpp>
namespace qpid {
namespace ha {
using sys::Mutex;
RemoteBackup::RemoteBackup(
const BrokerInfo& info, broker::Broker& broker, ReplicationTest rt) :
logPrefix("HA backup "+info.getLogId()+": "), brokerInfo(info), replicationTest(rt)
{
QPID_LOG(debug, logPrefix << "Guarding queues for backup broker. ");
broker.getQueues().eachQueue(boost::bind(&RemoteBackup::initialQueue, this, _1));
}
bool RemoteBackup::isReady() {
return initialQueues.empty();
}
void RemoteBackup::initialQueue(const QueuePtr& q) {
initialQueues.insert(q);
queueCreate(q);
}
RemoteBackup::GuardPtr RemoteBackup::guard(const QueuePtr& q) {
GuardMap::iterator i = guards.find(q);
if (i == guards.end()) {
assert(0);
throw Exception(logPrefix+": Guard cannot find queue guard: "+q->getName());
}
GuardPtr guard = i->second;
guards.erase(i);
return guard;
}
void RemoteBackup::ready(const QueuePtr& q) {
initialQueues.erase(q);
}
void RemoteBackup::queueCreate(const QueuePtr& q) {
if (replicationTest.isReplicated(ALL, *q)) {
QPID_LOG(debug, logPrefix << "Setting guard on " << q->getName());
guards[q].reset(new QueueGuard(*q, brokerInfo));
}
}
void RemoteBackup::queueDestroy(const QueuePtr& q) {
initialQueues.erase(q);
GuardMap::iterator i = guards.find(q);
if (i != guards.end()) {
i->second->cancel();
guards.erase(i);
}
}
}} // namespace qpid::ha
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