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#ifndef QPID_FRAMING_FRAME_H
#define QPID_FRAMING_FRAME_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 "AMQDataBlock.h"
#include "AMQHeaderBody.h"
#include "AMQContentBody.h"
#include "AMQHeartbeatBody.h"
#include "MethodHolder.h"
namespace qpid {
namespace framing {
class Frame : public AMQDataBlock {
public:
typedef boost::variant<boost::blank,
AMQHeaderBody,
AMQContentBody,
AMQHeartbeatBody,
MethodHolder> Variant;
Frame(ChannelId channel_=0, const Variant& body_=Variant())
: body(body_), channel(channel_) {}
void encode(Buffer& buffer);
bool decode(Buffer& buffer);
uint32_t size() const;
uint16_t getChannel() const { return channel; }
AMQBody* getBody();
const AMQBody* getBody() const;
template <class T> T* castBody() {
return boost::polymorphic_downcast<T*>(getBody());
}
Variant body;
private:
uint32_t decodeHead(Buffer& buffer);
void decodeBody(Buffer& buffer, uint32_t size);
uint8_t type;
uint16_t channel;
};
std::ostream& operator<<(std::ostream&, const Frame&);
}} // namespace qpid::framing
#endif /*!QPID_FRAMING_FRAME_H*/
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