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#ifndef QPID_CLUSTER_DECODER_H
#define QPID_CLUSTER_DECODER_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 "ConnectionDecoder.h"
#include "types.h"
#include <boost/ptr_container/ptr_map.hpp>
namespace qpid {
namespace cluster {
class EventHeader;
class ConnectionMap;
/**
* Holds a map of ConnectionDecoders. Decodes Events into EventFrames
* and forwards EventFrames to a handler.
*
* THREAD UNSAFE: Called sequentially with un-decoded cluster events from CPG.
*/
class Decoder
{
public:
typedef boost::function<void(const EventFrame&)> Handler;
Decoder(const Handler& h, ConnectionMap&);
/** Takes EventHeader + data rather than Event so that the caller can
* pass a pointer to connection data or a CPG buffer directly without copy.
*/
void decode(const EventHeader& eh, const void* data);
/** Erase the decoder for a connection. */
void erase(const ConnectionId&);
private:
typedef boost::ptr_map<ConnectionId, ConnectionDecoder> Map;
Handler handler;
Map map;
ConnectionMap& connections;
};
}} // namespace qpid::cluster
#endif /*!QPID_CLUSTER_DECODER_H*/
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