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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 "Backup.h"
#include "ConnectionExcluder.h"
#include "HaBroker.h"
#include "Settings.h"
#include "ReplicatingSubscription.h"
#include "qpid/Exception.h"
#include "qpid/broker/Broker.h"
#include "qpid/management/ManagementAgent.h"
#include "qmf/org/apache/qpid/ha/Package.h"
#include "qmf/org/apache/qpid/ha/ArgsHaBrokerSetClientAddresses.h"
#include "qmf/org/apache/qpid/ha/ArgsHaBrokerSetBrokerAddresses.h"
#include "qpid/log/Statement.h"
namespace qpid {
namespace ha {
namespace _qmf = ::qmf::org::apache::qpid::ha;
using namespace management;
using namespace std;
namespace {
Url url(const std::string& s, const std::string& id) {
try {
return Url(s);
} catch (const std::exception& e) {
throw Exception(Msg() << "Invalid URL for " << id << ": '" << s << "'");
}
}
const std::string PRIMARY="primary";
const std::string BACKUP="backup";
} // namespace
HaBroker::HaBroker(broker::Broker& b, const Settings& s)
: broker(b),
settings(s),
clientUrl(url(s.clientUrl, "ha-client-url")),
brokerUrl(url(s.brokerUrl, "ha-broker-url")),
backup(new Backup(b, s)),
mgmtObject(0)
{
// Note all HA brokers start out in backup mode.
QPID_LOG(notice, "HA: Backup initialized: client-url=" << clientUrl
<< " broker-url=" << brokerUrl);
// Register a factory for replicating subscriptions.
broker.getConsumerFactories().add(
boost::shared_ptr<ReplicatingSubscription::Factory>(
new ReplicatingSubscription::Factory()));
ManagementAgent* ma = broker.getManagementAgent();
if (!ma)
throw Exception("Cannot start HA: management is disabled");
if (ma) {
_qmf::Package packageInit(ma);
mgmtObject = new _qmf::HaBroker(ma, this);
mgmtObject->set_status(BACKUP);
ma->addObject(mgmtObject);
}
}
HaBroker::~HaBroker() {}
Manageable::status_t HaBroker::ManagementMethod (uint32_t methodId, Args& args, string&) {
sys::Mutex::ScopedLock l(lock);
switch (methodId) {
case _qmf::HaBroker::METHOD_PROMOTE: {
if (backup.get()) { // I am a backup
// FIXME aconway 2012-01-26: create primary state before resetting backup
// as that allows client connections.
backup.reset();
QPID_LOG(notice, "HA: Primary promoted from backup");
mgmtObject->set_status(PRIMARY);
}
break;
}
case _qmf::HaBroker::METHOD_SETCLIENTADDRESSES: {
QPID_LOG(critical, "FIXME" << "before " << clientUrl)
clientUrl = dynamic_cast<_qmf::ArgsHaBrokerSetClientAddresses&>(args).i_clientAddresses;
QPID_LOG(critical, "FIXME" << "after " << clientUrl)
// FIXME aconway 2012-01-30: upate status for new URL
mgmtObject->set_clientAddresses(clientUrl.str());
break;
}
case _qmf::HaBroker::METHOD_SETBROKERADDRESSES: {
brokerUrl = dynamic_cast<_qmf::ArgsHaBrokerSetBrokerAddresses&>(args).i_brokerAddresses;
// FIXME aconway 2012-01-30: upate status for new URL
mgmtObject->set_brokerAddresses(brokerUrl.str());
break;
}
default:
return Manageable::STATUS_UNKNOWN_METHOD;
}
return Manageable::STATUS_OK;
}
}} // namespace qpid::ha
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