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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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 <boost/format.hpp>
#include "ChannelAdapter.h"
#include "OutputHandler.h"
#include "AMQFrame.h"
#include "FrameHandler.h"
#include "qpid/Exception.h"
#include "AMQMethodBody.h"
#include "qpid/framing/ConnectionOpenBody.h"
using boost::format;
namespace qpid {
namespace framing {
/** Framehandler that feeds into the channel. */
struct ChannelAdapter::ChannelAdapterHandler : public FrameHandler {
ChannelAdapterHandler(ChannelAdapter& channel_) : channel(channel_) {}
void handle(AMQFrame& frame) { channel.handleBody(frame.getBody()); }
ChannelAdapter& channel;
};
void ChannelAdapter::init(ChannelId i, OutputHandler& out, ProtocolVersion v)
{
assertChannelNotOpen();
id = i;
version = v;
handlers.in = make_shared_ptr(new ChannelAdapterHandler(*this));
handlers.out= make_shared_ptr(new OutputHandlerFrameHandler(out));
}
void ChannelAdapter::send(const AMQBody& body)
{
assertChannelOpen();
AMQFrame frame(getVersion(), getId(), body);
handlers.out->handle(frame);
}
void ChannelAdapter::assertMethodOk(AMQMethodBody& method) const {
if (getId() != 0 && method.amqpClassId() == ConnectionOpenBody::CLASS_ID)
throw ConnectionException(
504, format("Connection method on non-0 channel %d.")%getId());
}
void ChannelAdapter::assertChannelOpen() const {
if (getId() != 0 && !isOpen())
throw ConnectionException(
504, format("Channel %d is not open.")%getId());
}
void ChannelAdapter::assertChannelNotOpen() const {
if (getId() != 0 && isOpen())
throw ConnectionException(
504, format("Channel %d is already open.") % getId());
}
}} // namespace qpid::framing
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