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Diffstat (limited to 'trunk/qpid/cpp/src/qpid/cluster/ClusterPlugin.cpp')
| -rw-r--r-- | trunk/qpid/cpp/src/qpid/cluster/ClusterPlugin.cpp | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/trunk/qpid/cpp/src/qpid/cluster/ClusterPlugin.cpp b/trunk/qpid/cpp/src/qpid/cluster/ClusterPlugin.cpp deleted file mode 100644 index e4aee6730b..0000000000 --- a/trunk/qpid/cpp/src/qpid/cluster/ClusterPlugin.cpp +++ /dev/null @@ -1,172 +0,0 @@ -/* - * - * 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/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/management/IdAllocator.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::IdAllocator; -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"), - "URL of this broker, advertized to the cluster.\n" - "Defaults to a URL listing all the local IP addresses\n") - ("cluster-username", optValue(settings.username, "USER"), "Username for connections between brokers") - ("cluster-password", optValue(settings.password, "PASS"), "Password for connections between brokers") - ("cluster-mechanism", optValue(settings.mechanism, "MECH"), "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-read-max", optValue(settings.readMax,"N"), "Experimental: flow-control limit reads per connection. 0=no limit.") - ; - } -}; - -struct UpdateClientIdAllocator : management::IdAllocator -{ - qpid::sys::AtomicValue<uint64_t> sequence; - - UpdateClientIdAllocator() : sequence(0x4000000000000000LL) {} - - uint64_t getIdFor(management::Manageable* m) - { - if (isUpdateQueue(m) || isUpdateExchange(m) || isUpdateSession(m) || isUpdateBinding(m)) { - return ++sequence; - } else { - return 0; - } - } - - bool isUpdateQueue(management::Manageable* manageable) - { - qpid::broker::Queue* queue = dynamic_cast<qpid::broker::Queue*>(manageable); - return queue && queue->getName() == UpdateClient::UPDATE; - } - - bool isUpdateExchange(management::Manageable* manageable) - { - qpid::broker::Exchange* exchange = dynamic_cast<qpid::broker::Exchange*>(manageable); - return exchange && exchange->getName() == UpdateClient::UPDATE; - } - - bool isUpdateSession(management::Manageable* manageable) - { - broker::SessionState* session = dynamic_cast<broker::SessionState*>(manageable); - return session && session->getId().getName() == UpdateClient::UPDATE; - } - - bool isUpdateBinding(management::Manageable* manageable) - { - broker::Exchange::Binding* binding = dynamic_cast<broker::Exchange::Binding*>(manageable); - return binding && binding->queue->getName() == UpdateClient::UPDATE; - } -}; - -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); - broker->setConnectionFactory( - boost::shared_ptr<sys::ConnectionCodec::Factory>( - new ConnectionCodec::Factory(broker->getConnectionFactory(), *cluster))); - ManagementAgent* mgmt = broker->getManagementAgent(); - if (mgmt) { - std::auto_ptr<IdAllocator> allocator(new UpdateClientIdAllocator()); - mgmt->setAllocator(allocator); - } - } - - void disallow(ManagementAgent* agent, const string& className, const string& methodName) { - string message = "Management method " + className + ":" + methodName + " is not allowed on a clustered broker."; - agent->disallow(className, methodName, message); - } - void disallowManagementMethods(ManagementAgent* agent) { - if (!agent) return; - disallow(agent, "queue", "purge"); - disallow(agent, "session", "detach"); - disallow(agent, "session", "close"); - disallow(agent, "connection", "close"); - } - - 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 |