| /* |
| * |
| * 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 "config.h" |
| #include "qpid/cluster/Connection.h" |
| #include "qpid/cluster/ConnectionCodec.h" |
| #include "qpid/cluster/ClusterSettings.h" |
| |
| #include "qpid/cluster/SecureConnectionFactory.h" |
| |
| #include "qpid/cluster/Cluster.h" |
| #include "qpid/cluster/ConnectionCodec.h" |
| #include "qpid/cluster/UpdateClient.h" |
| |
| #include "qpid/broker/Broker.h" |
| #include "qpid/Plugin.h" |
| #include "qpid/Options.h" |
| #include "qpid/sys/AtomicValue.h" |
| #include "qpid/log/Statement.h" |
| |
| #include "qpid/management/ManagementAgent.h" |
| #include "qpid/broker/Exchange.h" |
| #include "qpid/broker/Message.h" |
| #include "qpid/broker/Queue.h" |
| #include "qpid/broker/SessionState.h" |
| #include "qpid/client/ConnectionSettings.h" |
| |
| #include <boost/shared_ptr.hpp> |
| #include <boost/utility/in_place_factory.hpp> |
| #include <boost/scoped_ptr.hpp> |
| |
| namespace qpid { |
| namespace cluster { |
| |
| using namespace std; |
| using broker::Broker; |
| using management::ManagementAgent; |
| |
| |
| /** Note separating options from settings to work around boost version differences. |
| * Old boost takes a reference to options objects, but new boost makes a copy. |
| * New boost allows a shared_ptr but that's not compatible with old boost. |
| */ |
| struct ClusterOptions : public Options { |
| ClusterSettings& settings; |
| |
| ClusterOptions(ClusterSettings& v) : Options("Cluster Options"), settings(v) { |
| addOptions() |
| ("cluster-name", optValue(settings.name, "NAME"), "Name of cluster to join") |
| ("cluster-url", optValue(settings.url,"URL"), |
| "Set URL of this individual broker, to be advertized to clients.\n" |
| "Defaults to a URL listing all the local IP addresses\n") |
| ("cluster-username", optValue(settings.username, ""), "Username for connections between brokers") |
| ("cluster-password", optValue(settings.password, ""), "Password for connections between brokers") |
| ("cluster-mechanism", optValue(settings.mechanism, ""), "Authentication mechanism for connections between brokers") |
| #if HAVE_LIBCMAN_H |
| ("cluster-cman", optValue(settings.quorum), "Integrate with Cluster Manager (CMAN) cluster.") |
| #endif |
| ("cluster-size", optValue(settings.size, "N"), "Wait for N cluster members before allowing clients to connect.") |
| ("cluster-clock-interval", optValue(settings.clockInterval,"N"), "How often to broadcast the current time to the cluster nodes, in milliseconds. A value between 5 and 1000 is recommended.") |
| ("cluster-read-max", optValue(settings.readMax,"N"), "Experimental: flow-control limit reads per connection. 0=no limit.") |
| ; |
| } |
| }; |
| |
| typedef boost::shared_ptr<sys::ConnectionCodec::Factory> CodecFactoryPtr; |
| |
| struct ClusterPlugin : public Plugin { |
| |
| ClusterSettings settings; |
| ClusterOptions options; |
| Cluster* cluster; |
| boost::scoped_ptr<ConnectionCodec::Factory> factory; |
| |
| ClusterPlugin() : options(settings), cluster(0) {} |
| |
| // Cluster needs to be initialized after the store |
| int initOrder() const { return Plugin::DEFAULT_INIT_ORDER+500; } |
| |
| Options* getOptions() { return &options; } |
| |
| void earlyInitialize(Plugin::Target& target) { |
| if (settings.name.empty()) return; // Only if --cluster-name option was specified. |
| Broker* broker = dynamic_cast<Broker*>(&target); |
| if (!broker) return; |
| cluster = new Cluster(settings, *broker); |
| CodecFactoryPtr simpleFactory(new broker::ConnectionFactory(*broker)); |
| CodecFactoryPtr clusterFactory(new ConnectionCodec::Factory(simpleFactory, *cluster)); |
| CodecFactoryPtr secureFactory(new SecureConnectionFactory(clusterFactory)); |
| broker->setConnectionFactory(secureFactory); |
| } |
| |
| void disallowManagementMethods(ManagementAgent* agent) { |
| if (!agent) return; |
| agent->disallowV1Methods(); |
| } |
| |
| void initialize(Plugin::Target& target) { |
| Broker* broker = dynamic_cast<Broker*>(&target); |
| if (broker && cluster) { |
| disallowManagementMethods(broker->getManagementAgent()); |
| cluster->initialize(); |
| } |
| } |
| }; |
| |
| static ClusterPlugin instance; // Static initialization. |
| |
| }} // namespace qpid::cluster |