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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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 "HaBroker.h"
#include "Settings.h"
#include "qpid/Plugin.h"
#include "qpid/Options.h"
#include "qpid/broker/Broker.h"
#include <boost/bind.hpp>
namespace qpid {
namespace ha {
using namespace std;
struct Options : public qpid::Options {
Settings& settings;
Options(Settings& s) : qpid::Options("HA Options"), settings(s) {
addOptions()
("ha-cluster", optValue(settings.cluster, "yes|no"),
"Join a HA active/passive cluster.")
("ha-brokers-url", optValue(settings.brokerUrl,"URL"),
"URL with address of each broker in the cluster.")
("ha-public-url", optValue(settings.clientUrl,"URL"),
"URL advertized to clients to connect to the cluster.")
("ha-replicate",
optValue(settings.replicateDefault, "LEVEL"),
"Replication level for creating queues and exchanges if there is no qpid.replicate argument supplied. LEVEL is 'none', 'configuration' or 'all'")
("ha-username", optValue(settings.username, "USER"),
"Username for connections between HA brokers")
("ha-password", optValue(settings.password, "PASS"),
"Password for connections between HA brokers")
("ha-mechanism", optValue(settings.mechanism, "MECH"),
"Authentication mechanism for connections between HA brokers")
("ha-backup-timeout", optValue(settings.backupTimeout, "SECONDS"),
"Maximum time to wait for an expected backup to connect and become ready.")
;
}
};
struct HaPlugin : public Plugin {
Settings settings;
Options options;
auto_ptr<HaBroker> haBroker;
HaPlugin() : options(settings) {}
Options* getOptions() { return &options; }
void earlyInitialize(Plugin::Target& target) {
broker::Broker* broker = dynamic_cast<broker::Broker*>(&target);
if (broker) {
// Must create the HaBroker in earlyInitialize so it can set up its
// connection observer before clients start connecting.
haBroker.reset(new ha::HaBroker(*broker, settings));
broker->addFinalizer(boost::bind(&HaPlugin::finalize, this));
}
}
void initialize(Plugin::Target& target) {
broker::Broker* broker = dynamic_cast<broker::Broker*>(&target);
if (broker) haBroker->initialize();
}
void finalize() {
haBroker.reset();
}
};
HaPlugin instance; // Static initialization.
}} // namespace qpid::ha
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