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#ifndef QPID_CLUSTER_FAILOVEREXCHANGE_H
#define QPID_CLUSTER_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.
*
*/
#include "qpid/broker/Exchange.h"
#include "qpid/broker/DeliverableMessage.h"
#include "qpid/Url.h"
#include <vector>
#include <set>
namespace qpid {
namespace cluster {
/**
* Failover exchange provides failover host list, as specified in AMQP 0-10.
*/
class FailoverExchange : public broker::Exchange
{
public:
static const std::string typeName;
FailoverExchange(management::Manageable* parent, broker::Broker* b);
/** Set the URLs but don't send an update.*/
void setUrls(const std::vector<Url>&);
/** Set the URLs and send an update.*/
void updateUrls(const std::vector<Url>&);
/** Flag the failover exchange as ready to generate updates (caught up) */
void setReady();
// 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);
void route(broker::Deliverable& msg, const std::string& routingKey, const framing::FieldTable* args);
private:
void sendUpdate(const boost::shared_ptr<broker::Queue>&);
typedef sys::Mutex::ScopedLock Lock;
typedef std::vector<Url> Urls;
typedef std::set<boost::shared_ptr<broker::Queue> > Queues;
sys::Mutex lock;
Urls urls;
Queues queues;
bool ready;
};
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_FAILOVEREXCHANGE_H*/
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