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/*
*
* 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 "AMQHeaderBody.h"
#include "qpid/Exception.h"
#include "qpid/log/Statement.h"
qpid::framing::AMQHeaderBody::AMQHeaderBody() {}
qpid::framing::AMQHeaderBody::~AMQHeaderBody() {}
uint32_t qpid::framing::AMQHeaderBody::size() const{
CalculateSize visitor;
for_each(properties.begin(), properties.end(), boost::apply_visitor(visitor));
return visitor.totalSize();
}
void qpid::framing::AMQHeaderBody::encode(Buffer& buffer) const {
Encode visitor(buffer);
for_each(properties.begin(), properties.end(), boost::apply_visitor(visitor));
}
void qpid::framing::AMQHeaderBody::decode(Buffer& buffer, uint32_t size){
uint32_t limit = buffer.available() - size;
while (buffer.available() > limit + 2) {
uint32_t len = buffer.getLong();
uint16_t type = buffer.getShort();
//The following switch could be generated as the number of options increases:
switch(type) {
case MessageProperties::TYPE:
decode(MessageProperties(), buffer, len - 2);
break;
case DeliveryProperties::TYPE:
decode(DeliveryProperties(), buffer, len - 2);
break;
default:
//TODO: should just skip over them keeping them for later dispatch as is
throw Exception(QPID_MSG("Unexpected property type: " << type));
}
}
}
uint64_t qpid::framing::AMQHeaderBody::getContentLength() const
{
const MessageProperties* mProps = get<MessageProperties>();
if (mProps) {
return mProps->getContentLength();
}
return 0;
}
void qpid::framing::AMQHeaderBody::print(std::ostream& out) const
{
out << "header (" << size() << " bytes)";
out << "; properties={";
Print visitor(out);
for_each(properties.begin(), properties.end(), boost::apply_visitor(visitor));
out << "}";
}
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