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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 "qpid/QpidError.h"
#include "MessageHandlerImpl.h"
#include "BrokerChannel.h"
#include "qpid/framing/FramingContent.h"
#include "Connection.h"
#include "Broker.h"
#include "BrokerMessageMessage.h"
#include "qpid/framing/MessageAppendBody.h"
#include "qpid/framing/MessageTransferBody.h"
#include "BrokerAdapter.h"
#include <boost/format.hpp>
#include <boost/cast.hpp>
namespace qpid {
namespace broker {
using namespace framing;
MessageHandlerImpl::MessageHandlerImpl(CoreRefs& parent)
: HandlerImplType(parent) {}
//
// Message class method handlers
//
void
MessageHandlerImpl::cancel(const string& destination )
{
channel.cancel(destination);
}
void
MessageHandlerImpl::open(const string& /*reference*/)
{
throw ConnectionException(540, "References no longer supported");
}
void
MessageHandlerImpl::append(const framing::AMQMethodBody& )
{
throw ConnectionException(540, "References no longer supported");
}
void
MessageHandlerImpl::close(const string& /*reference*/)
{
throw ConnectionException(540, "References no longer supported");
}
void
MessageHandlerImpl::checkpoint(const string& /*reference*/,
const string& /*identifier*/ )
{
throw ConnectionException(540, "References no longer supported");
}
void
MessageHandlerImpl::resume(const string& /*reference*/,
const string& /*identifier*/ )
{
throw ConnectionException(540, "References no longer supported");
}
void
MessageHandlerImpl::offset(uint64_t /*value*/ )
{
throw ConnectionException(540, "References no longer supported");
}
void
MessageHandlerImpl::subscribe(uint16_t /*ticket*/,
const string& queueName,
const string& destination,
bool noLocal,
u_int8_t confirmMode,
u_int8_t /*acquireMode*/,//TODO: implement acquire modes
bool exclusive,
const framing::FieldTable& filter )
{
Queue::shared_ptr queue = getQueue(queueName);
if(!destination.empty() && channel.exists(destination))
throw ConnectionException(530, "Consumer tags must be unique");
string tag = destination;
channel.consume(MessageMessage::getToken(destination), tag, queue, noLocal, confirmMode == 1, exclusive, &filter);
// Dispatch messages as there is now a consumer.
queue->requestDispatch();
}
void
MessageHandlerImpl::get(uint16_t /*ticket*/,
const string& queueName,
const string& destination,
bool noAck )
{
Queue::shared_ptr queue = getQueue(queueName);
if (channel.get(MessageMessage::getToken(destination), queue, !noAck)){
//don't send any response... rely on execution completion
} else {
//temporarily disabled:
//client.empty();
}
}
void
MessageHandlerImpl::empty()
{
// Shouldn't ever receive this as it is a response to get
// which is never sent
// TODO astitcher 2007-02-09 What is the correct exception to throw here?
THROW_QPID_ERROR(INTERNAL_ERROR, "Impossible");
}
void
MessageHandlerImpl::ok()
{
throw ConnectionException(540, "Message.Ok no longer supported");
}
void
MessageHandlerImpl::qos(uint32_t prefetchSize,
uint16_t prefetchCount,
bool /*global*/ )
{
//TODO: handle global
channel.setPrefetchSize(prefetchSize);
channel.setPrefetchCount(prefetchCount);
}
void
MessageHandlerImpl::recover(bool requeue)
{
channel.recover(requeue);
}
void
MessageHandlerImpl::reject(const SequenceNumberSet& /*transfers*/, uint16_t /*code*/, const string& /*text*/ )
{
//TODO: implement
}
void
MessageHandlerImpl::transfer(const framing::AMQMethodBody& context)
{
const MessageTransferBody* transfer = boost::polymorphic_downcast<const MessageTransferBody*>(&context);
if (transfer->getBody().isInline()) {
MessageMessage::shared_ptr message(new MessageMessage(&connection, transfer));
channel.handleInlineTransfer(message);
} else {
throw ConnectionException(540, "References no longer supported");
}
}
void MessageHandlerImpl::flow(const std::string& destination, u_int8_t unit, u_int32_t value)
{
if (unit == 0) {
//message
channel.addMessageCredit(destination, value);
} else if (unit == 1) {
//bytes
channel.addByteCredit(destination, value);
} else {
//unknown
throw ConnectionException(502, boost::format("Invalid value for unit %1%") % unit);
}
}
void MessageHandlerImpl::flowMode(const std::string& destination, u_int8_t mode)
{
if (mode == 0) {
//credit
channel.setCreditMode(destination);
} else if (mode == 1) {
//window
channel.setWindowMode(destination);
} else{
throw ConnectionException(502, boost::format("Invalid value for mode %1%") % mode);
}
}
void MessageHandlerImpl::flush(const std::string& destination)
{
channel.flush(destination);
}
void MessageHandlerImpl::stop(const std::string& destination)
{
channel.stop(destination);
}
void MessageHandlerImpl::acquire(const SequenceNumberSet& /*transfers*/, u_int8_t /*mode*/)
{
throw ConnectionException(540, "Not yet implemented");
}
void MessageHandlerImpl::release(const SequenceNumberSet& /*transfers*/)
{
throw ConnectionException(540, "Not yet implemented");
}
}} // namespace qpid::broker
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