| #ifndef QPID_HA_REPLICATOR_H |
| #define QPID_HA_REPLICATOR_H |
| |
| /* |
| * |
| * 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 "types.h" |
| #include "ReplicationTest.h" |
| #include "AlternateExchangeSetter.h" |
| #include "qpid/Address.h" |
| #include "qpid/broker/Exchange.h" |
| #include "qpid/types/Variant.h" |
| #include "qpid/management/ManagementObject.h" |
| #include <boost/shared_ptr.hpp> |
| #include <boost/enable_shared_from_this.hpp> |
| #include <set> |
| |
| namespace qpid { |
| |
| namespace broker { |
| class AsyncStore; |
| class Broker; |
| class Link; |
| class Bridge; |
| class SessionHandler; |
| class Connection; |
| class QueueRegistry; |
| class ExchangeRegistry; |
| } |
| |
| namespace framing { |
| class FieldTable; |
| } |
| |
| namespace ha { |
| class HaBroker; |
| class QueueReplicator; |
| |
| /** |
| * Replicate configuration on a backup broker. |
| * |
| * Implemented as an exchange that subscribes to receive QMF |
| * configuration events from the primary. It configures local queues |
| * exchanges and bindings to replicate the primary. |
| * It also creates QueueReplicators for newly replicated queues. |
| * |
| * THREAD UNSAFE: |
| * All members except shutdown are only called in the Link's connection thread context. |
| * shutdown() does not use any mutable state. |
| * |
| */ |
| class BrokerReplicator : public broker::Exchange, |
| public boost::enable_shared_from_this<BrokerReplicator> |
| { |
| public: |
| BrokerReplicator(HaBroker&, const boost::shared_ptr<broker::Link>&); |
| ~BrokerReplicator(); |
| |
| void initialize(); |
| |
| // Exchange methods |
| std::string getType() const; |
| bool bind(boost::shared_ptr<broker::Queue>, const std::string&, const framing::FieldTable*, qpid::broker::AsyncStore* const store); |
| bool unbind(boost::shared_ptr<broker::Queue>, const std::string&, const framing::FieldTable*, qpid::broker::AsyncStore* const store); |
| void route(broker::Deliverable&); |
| bool isBound(boost::shared_ptr<broker::Queue>, const std::string* const, const framing::FieldTable* const); |
| void shutdown(); |
| |
| // DataSource interface - used to write persistence data to async store |
| uint64_t getSize(); |
| void write(char* target); |
| |
| private: |
| typedef boost::shared_ptr<QueueReplicator> QueueReplicatorPtr; |
| typedef std::pair<boost::shared_ptr<broker::Queue>, bool> CreateQueueResult; |
| typedef std::pair<boost::shared_ptr<broker::Exchange>, bool> CreateExchangeResult; |
| |
| typedef std::pair<std::string,std::string> EventKey; |
| typedef void (BrokerReplicator::*DispatchFunction)(types::Variant::Map&); |
| typedef std::map<EventKey, DispatchFunction> EventDispatchMap; |
| |
| typedef std::map<std::string, QueueReplicatorPtr> QueueReplicatorMap; |
| |
| class UpdateTracker; |
| class ErrorListener; |
| class ConnectionObserver; |
| |
| void connected(broker::Bridge&, broker::SessionHandler&); |
| |
| void doEventQueueDeclare(types::Variant::Map& values); |
| void doEventQueueDelete(types::Variant::Map& values); |
| void doEventExchangeDeclare(types::Variant::Map& values); |
| void doEventExchangeDelete(types::Variant::Map& values); |
| void doEventBind(types::Variant::Map&); |
| void doEventUnbind(types::Variant::Map&); |
| void doEventMembersUpdate(types::Variant::Map&); |
| void doEventSubscribe(types::Variant::Map&); |
| |
| void doResponseQueue(types::Variant::Map& values); |
| void doResponseExchange(types::Variant::Map& values); |
| void doResponseBind(types::Variant::Map& values); |
| void doResponseHaBroker(types::Variant::Map& values); |
| |
| QueueReplicatorPtr findQueueReplicator(const std::string& qname); |
| QueueReplicatorPtr startQueueReplicator(const boost::shared_ptr<broker::Queue>&); |
| |
| QueueReplicatorPtr replicateQueue( |
| const std::string& name, |
| bool durable, |
| bool autodelete, |
| const qpid::framing::FieldTable& arguments, |
| const std::string& alternateExchange); |
| |
| CreateExchangeResult createExchange( |
| const std::string& name, |
| const std::string& type, |
| bool durable, |
| const qpid::framing::FieldTable& args, |
| const std::string& alternateExchange); |
| |
| bool deactivate(boost::shared_ptr<broker::Exchange> ex, bool destroy); |
| void deleteQueue(const std::string& name, bool purge=true); |
| void deleteExchange(const std::string& name); |
| |
| void autoDeleteCheck(boost::shared_ptr<broker::Exchange>); |
| |
| void disconnected(); |
| |
| void setMembership(const types::Variant::List&); // Set membership from list. |
| |
| std::string logPrefix; |
| ReplicationTest replicationTest; |
| std::string userId, remoteHost; |
| HaBroker& haBroker; |
| broker::Broker& broker; |
| broker::ExchangeRegistry& exchanges; |
| broker::QueueRegistry& queues; |
| boost::shared_ptr<broker::Link> link; |
| bool initialized; |
| AlternateExchangeSetter alternates; |
| qpid::Address primary; |
| typedef std::set<std::string> StringSet; |
| StringSet replicatedExchanges; // exchanges that have been replicated. |
| broker::Connection* connection; |
| EventDispatchMap dispatch; |
| std::auto_ptr<UpdateTracker> queueTracker; |
| std::auto_ptr<UpdateTracker> exchangeTracker; |
| boost::shared_ptr<ConnectionObserver> connectionObserver; |
| }; |
| }} // namespace qpid::broker |
| |
| #endif /*!QPID_HA_REPLICATOR_H*/ |