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#ifndef QPID_CLUSTER_CONNECTIONPLUGIN_H
#define QPID_CLUSTER_CONNECTIONPLUGIN_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 "Cluster.h"
#include "qpid/broker/Connection.h"
#include "qpid/sys/ConnectionOutputHandler.h"
namespace qpid {
namespace framing { class AMQFrame; }
namespace cluster {
/**
* Plug-in associated with broker::Connections, both local and shadow.
*/
class ConnectionInterceptor {
public:
ConnectionInterceptor(broker::Connection&, Cluster&,
Cluster::ShadowConnectionId shadowId=Cluster::ShadowConnectionId(0,0));
~ConnectionInterceptor();
Cluster::ShadowConnectionId getShadowId() const { return shadowId; }
bool isLocal() const { return shadowId == Cluster::ShadowConnectionId(0,0); }
// self-delivery of intercepted extension points.
void deliver(framing::AMQFrame& f);
void deliverClosed();
void deliverDoOutput();
private:
struct NullConnectionHandler : public qpid::sys::ConnectionOutputHandler {
void close() {}
void send(framing::AMQFrame&) {}
void doOutput() {}
void activateOutput() {}
};
bool isShadow() { return shadowId != Cluster::ShadowConnectionId(0,0); }
// Functions to intercept to Connection extension points.
void received(framing::AMQFrame&);
void closed();
bool doOutput();
boost::function<void (framing::AMQFrame&)> receivedNext;
boost::function<void ()> closedNext;
boost::function<bool ()> doOutputNext;
boost::intrusive_ptr<broker::Connection> connection;
Cluster& cluster;
NullConnectionHandler discardHandler;
bool isClosed;
Cluster::ShadowConnectionId shadowId;
};
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_CONNECTIONPLUGIN_H*/
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