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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 <boost/program_options/value_semantic.hpp>
#include "qpid/broker/Broker.h"
#include "qpid/cluster/Cluster.h"
#include "qpid/Plugin.h"
#include "qpid/Options.h"
#include "qpid/shared_ptr.h"
#include <boost/optional.hpp>
#include <boost/utility/in_place_factory.hpp>
namespace qpid {
namespace cluster {
using namespace std;
using broker::Broker;
// Note we update the values in a separate struct.
// This is to work around boost::program_options differences,
// older versions took a reference to the options, newer
// ones take a copy (or require a shared_ptr)
//
struct ClusterOptions : public Options {
std::string name;
std::string url;
ClusterOptions() : Options("Cluster Options") {
addOptions()
("cluster-name", optValue(name,""), "Cluster identifier")
("cluster-url", optValue(url,"URL"),
"URL of this broker, advertized to the cluster.\n"
"Defaults to a URL listing all the local IP addresses\n")
;
}
};
struct ClusterPlugin : public PluginT<Broker> {
ClusterOptions options;
boost::optional<Cluster> cluster;
ClusterPlugin(const ClusterOptions& opts) : options(opts) {}
void initializeT(Broker& broker) { // FIXME aconway 2008-07-01: drop T suffix.
Url url = options.url.empty() ? Url::getIpAddressesUrl(broker.getPort()) : Url(options.url);
cluster = boost::in_place(options.name, url, boost::ref(broker));
broker.getConnectionManager().add(cluster->getObserver()); // FIXME aconway 2008-07-01: to Cluster ctor
}
};
struct PluginFactory : public Plugin::FactoryT<Broker> {
ClusterOptions options;
Options* getOptions() { return &options; }
boost::shared_ptr<Plugin> createT(Broker&) {
if (options.name.empty()) { // No cluster name, don't initialize cluster.
return boost::shared_ptr<Plugin>();
}
else
return make_shared_ptr(new ClusterPlugin(options));
}
};
static PluginFactory instance; // Static initialization.
}} // namespace qpid::cluster
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