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#ifndef QPID_REPLICATION_REPLICATIONEXCHANGE_H
#define QPID_REPLICATION_REPLICATIONEXCHANGE_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/framing/Buffer.h"
#include "qpid/framing/SequenceNumber.h"
namespace qpid {
namespace broker {
class QueueRegistry;
}
namespace replication {
/**
* A custom exchange plugin that processes incoming messages
* representing enqueue or dequeue events for particular queues and
* carries out the corresponding action to replicate that on the local
* broker.
*/
class ReplicationExchange : public qpid::broker::Exchange
{
public:
static const std::string typeName;
ReplicationExchange(const std::string& name, bool durable,
const qpid::framing::FieldTable& args,
qpid::broker::QueueRegistry& queues,
qpid::management::Manageable* parent = 0,
qpid::broker::Broker* broker = 0);
std::string getType() const;
void route(qpid::broker::Deliverable& msg, const std::string& routingKey, const qpid::framing::FieldTable* args);
bool bind(boost::shared_ptr<broker::Queue> queue, const std::string& routingKey, const qpid::framing::FieldTable* args);
bool unbind(boost::shared_ptr<broker::Queue> queue, const std::string& routingKey, const qpid::framing::FieldTable* args);
bool isBound(boost::shared_ptr<broker::Queue> queue, const std::string* const routingKey, const qpid::framing::FieldTable* const args);
private:
qpid::broker::QueueRegistry& queues;
qpid::framing::SequenceNumber sequence;
bool init;
bool isDuplicate(const qpid::framing::FieldTable* args);
void handleEnqueueEvent(const qpid::framing::FieldTable* args, qpid::broker::Deliverable& msg);
void handleDequeueEvent(const qpid::framing::FieldTable* args, qpid::broker::Deliverable& msg);
void encode(framing::Buffer& buffer) const;
};
}} // namespace qpid::replication
#endif /*!QPID_REPLICATION_REPLICATIONEXCHANGE_H*/
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