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Diffstat (limited to 'qpid/cpp/src/qpid/ha/FailoverExchange.h')
-rw-r--r-- | qpid/cpp/src/qpid/ha/FailoverExchange.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/ha/FailoverExchange.h b/qpid/cpp/src/qpid/ha/FailoverExchange.h new file mode 100644 index 0000000000..5263bdfb03 --- /dev/null +++ b/qpid/cpp/src/qpid/ha/FailoverExchange.h @@ -0,0 +1,72 @@ +#ifndef QPID_HA_FAILOVEREXCHANGE_H +#define QPID_HA_FAILOVEREXCHANGE_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. + *ls + */ + +#include "qpid/broker/Exchange.h" +#include "qpid/broker/DeliverableMessage.h" +#include "qpid/Url.h" + +#include <vector> +#include <set> + +namespace qpid { +namespace ha { + +/** + * Failover exchange provides failover host list, as specified in AMQP 0-10. + */ +class FailoverExchange : public broker::Exchange +{ + public: + typedef std::vector<Url> Urls; + + static const std::string typeName; + + FailoverExchange(management::Manageable& parent, broker::Broker& b); + + /** Set the URLs but don't send an update.*/ + void setUrls(const Urls&); + /** Set the URLs and send an update.*/ + void updateUrls(const Urls&); + + // Exchange overrides + std::string getType() const; + bool bind(boost::shared_ptr<broker::Queue> queue, const std::string& routingKey, const framing::FieldTable* args); + bool unbind(boost::shared_ptr<broker::Queue> queue, const std::string& routingKey, const framing::FieldTable* args); + bool isBound(boost::shared_ptr<broker::Queue> queue, const std::string* const routingKey, const framing::FieldTable* const args); + bool hasBindings(); + void route(broker::Deliverable& msg); + + private: + void sendUpdate(const boost::shared_ptr<broker::Queue>&, sys::Mutex::ScopedLock&); + + typedef sys::Mutex::ScopedLock Lock; + typedef std::set<boost::shared_ptr<broker::Queue> > Queues; + + sys::Mutex lock; + Urls urls; + Queues queues; +}; +}} // namespace qpid::ha + +#endif /*!QPID_HA_FAILOVEREXCHANGE_H*/ |