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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 "ConsumeAdapter.h"
#include "GetAdapter.h"
#include "Broker.h"
#include "BrokerMessageMessage.h"
#include "qpid/framing/MessageAppendBody.h"
#include "qpid/framing/MessageTransferBody.h"
#include "BrokerAdapter.h"
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);
client.ok();//GRS context.getRequestId());
}
void
MessageHandlerImpl::open(const string& reference)
{
references.open(reference);
client.ok();//GRS context.getRequestId());
}
void
MessageHandlerImpl::append(const framing::MethodContext& context)
{
MessageAppendBody::shared_ptr body(boost::shared_polymorphic_downcast<MessageAppendBody>(context.methodBody));
references.get(body->getReference())->append(body);
client.ok();//GRS context.getRequestId());
}
void
MessageHandlerImpl::close(const string& reference)
{
Reference::shared_ptr ref = references.get(reference);
client.ok();//GRS context.getRequestId());
// Send any transfer messages to their correct exchanges and okay them
const Reference::Messages& msgs = ref->getMessages();
for (Reference::Messages::const_iterator m = msgs.begin(); m != msgs.end(); ++m) {
channel.handleInlineTransfer(*m);
client.setResponseTo((*m)->getRequestId());
client.ok();
}
ref->close();
}
void
MessageHandlerImpl::checkpoint(const string& /*reference*/,
const string& /*identifier*/ )
{
// Initial implementation (which is conforming) is to do nothing here
// and return offset zero for the resume
client.ok();//GRS context.getRequestId());
}
void
MessageHandlerImpl::resume(const string& reference,
const string& /*identifier*/ )
{
// Initial (null) implementation
// open reference and return 0 offset
references.open(reference);
client.offset(0);//GRS, );//GRS, context.getRequestId());
}
void
MessageHandlerImpl::offset(uint64_t /*value*/ )
{
// Shouldn't ever receive this as it is reponse to resume
// which is never sent
// TODO astitcher 2007-02-16 What is the correct exception to throw here?
THROW_QPID_ERROR(INTERNAL_ERROR, "impossible");
}
void
MessageHandlerImpl::consume(uint16_t /*ticket*/,
const string& queueName,
const string& destination,
bool noLocal,
bool noAck,
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(std::auto_ptr<DeliveryAdapter>(new ConsumeAdapter(adapter, destination, connection.getFrameMax())),
tag, queue, !noAck, exclusive,
noLocal ? &connection : 0, &filter);
client.ok();//GRS context.getRequestId());
// 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);
GetAdapter out(adapter, queue, destination, connection.getFrameMax());
if(channel.get(out, queue, !noAck))
client.ok();//GRS context.getRequestId());
else
client.empty();//GRS context.getRequestId());
}
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()
{
channel.ack(adapter.getFirstAckRequest(), adapter.getLastAckRequest());
}
void
MessageHandlerImpl::qos(uint32_t prefetchSize,
uint16_t prefetchCount,
bool /*global*/ )
{
//TODO: handle global
channel.setPrefetchSize(prefetchSize);
channel.setPrefetchCount(prefetchCount);
client.ok();//GRS context.getRequestId());
}
void
MessageHandlerImpl::recover(bool requeue)
{
channel.recover(requeue);
client.ok();//GRS context.getRequestId());
}
void
MessageHandlerImpl::reject(uint16_t /*code*/,
const string& /*text*/ )
{
//channel.ack();
// channel.requeue();
}
void
MessageHandlerImpl::transfer(const framing::MethodContext& context)
{
MessageTransferBody::shared_ptr transfer(
boost::shared_polymorphic_downcast<MessageTransferBody>(
context.methodBody));
RequestId requestId = context.getRequestId();
if (transfer->getBody().isInline()) {
MessageMessage::shared_ptr message(new MessageMessage(&connection, requestId, transfer));
channel.handleInlineTransfer(message);
client.ok();
} else {
Reference::shared_ptr ref(references.get(transfer->getBody().getValue()));
MessageMessage::shared_ptr message(new MessageMessage(&connection, requestId, transfer, ref));
ref->addMessage(message);
}
}
}} // namespace qpid::broker
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