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#ifndef _AMQFrame_
#define _AMQFrame_
/*
*
* 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 "ProtocolVersion.h"
#include "BodyHolder.h"
#include <boost/cast.hpp>
namespace qpid {
namespace framing {
class BodyHolder;
class AMQFrame : public AMQDataBlock
{
public:
AMQFrame(intrusive_ptr<BodyHolder> b=0) : body(b) { init(); }
AMQFrame(const AMQBody& b) { setBody(b); init(); }
~AMQFrame();
template <class InPlace>
AMQFrame(const InPlace& ip, typename EnableInPlace<InPlace>::type* =0) {
init(); setBody(ip);
}
ChannelId getChannel() const { return channel; }
void setChannel(ChannelId c) { channel = c; }
intrusive_ptr<BodyHolder> getHolder() { return body; }
AMQBody* getBody() { return body ? body->get() : 0; }
const AMQBody* getBody() const { return body ? body->get() : 0; }
AMQMethodBody* getMethod() { return getBody()->getMethod(); }
const AMQMethodBody* getMethod() const { return getBody()->getMethod(); }
void setBody(const AMQBody& b);
template <class InPlace>
typename EnableInPlace<InPlace>::type setBody(const InPlace& ip) {
body = new BodyHolder(ip);
}
void setMethod(ClassId c, MethodId m);
template <class T> T* castBody() {
return boost::polymorphic_downcast<T*>(getBody());
}
template <class T> const T* castBody() const {
return boost::polymorphic_downcast<const T*>(getBody());
}
void encode(Buffer& buffer) const;
bool decode(Buffer& buffer);
uint32_t size() const;
bool getBof() const { return bof; }
void setBof(bool isBof) { bof = isBof; }
bool getEof() const { return eof; }
void setEof(bool isEof) { eof = isEof; }
bool getBos() const { return bos; }
void setBos(bool isBos) { bos = isBos; }
bool getEos() const { return eos; }
void setEos(bool isEos) { eos = isEos; }
static uint32_t frameOverhead();
private:
void init() { bof = eof = bos = eos = true; subchannel=0; channel=0; }
intrusive_ptr<BodyHolder> body;
uint16_t channel : 16;
uint8_t subchannel : 8;
bool bof : 1;
bool eof : 1;
bool bos : 1;
bool eos : 1;
};
std::ostream& operator<<(std::ostream&, const AMQFrame&);
}} // namespace qpid::framing
#endif
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