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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 "Core.h"
#include "Group.h"
#include "WiringHandler.h"
#include "EventHandler.h"
#include "QueueHandler.h"
#include "BrokerContext.h"
#include "qpid/broker/Broker.h"
#include "qpid/broker/Exchange.h"
#include "qpid/broker/Queue.h"
#include "qpid/broker/ExchangeRegistry.h"
#include "qpid/broker/QueueRegistry.h"
#include "qpid/framing/AllInvoker.h"
#include "qpid/framing/Buffer.h"
#include "qpid/framing/reply_exceptions.h"
#include "qpid/log/Statement.h"
#include <boost/intrusive_ptr.hpp>
namespace qpid {
namespace cluster {
using namespace broker;
using framing::FieldTable;
WiringHandler::WiringHandler(Group& g,
const boost::intrusive_ptr<QueueHandler>& qh,
broker::Broker& b) :
HandlerBase(g.getEventHandler()),
broker(b),
recovery(broker.getQueues(), broker.getExchanges(),
broker.getLinks(), broker.getDtxManager()),
queueHandler(qh)
{}
bool WiringHandler::handle(const framing::AMQFrame& frame) {
return framing::invoke(*this, *frame.getBody()).wasHandled();
}
void WiringHandler::createQueue(const std::string& data) {
// FIXME aconway 2011-05-25: Needs async completion.
std::string name;
if (sender() != self()) { // Created by another member, need to create locally.
BrokerContext::ScopedSuppressReplication ssr;
framing::Buffer buf(const_cast<char*>(&data[0]), data.size());
// TODO aconway 2011-02-21: asymetric - RecoveryManager vs Broker::create*()
RecoverableQueue::shared_ptr rq = recovery.recoverQueue(buf);
name = rq->getName();
}
else { // Created locally, Queue and QueueContext already exist.
framing::Buffer buffer(const_cast<char*>(&data[0]), data.size());
// FIXME aconway 2011-05-10: implicit knowledge of queue encoding.
buffer.getShortString(name);
}
boost::shared_ptr<broker::Queue> q = broker.getQueues().find(name);
assert(q); // FIXME aconway 2011-05-10: error handling.
queueHandler->add(q);
QPID_LOG(debug, "cluster: create queue " << q->getName());
}
void WiringHandler::destroyQueue(const std::string& name) {
if (sender() == self()) return;
QPID_LOG(debug, "cluster: destroy queue " << name);
BrokerContext::ScopedSuppressReplication ssr;
broker.deleteQueue(name, std::string(), std::string());
}
void WiringHandler::createExchange(const std::string& data) {
if (sender() == self()) return;
BrokerContext::ScopedSuppressReplication ssr;
framing::Buffer buf(const_cast<char*>(&data[0]), data.size());
// TODO aconway 2011-02-21: asymetric - RecoveryManager vs Broker::create*()
RecoverableExchange::shared_ptr exchange = recovery.recoverExchange(buf);
QPID_LOG(debug, "cluster: create exchange " << exchange->getName());
}
void WiringHandler::destroyExchange(const std::string& name) {
if (sender() == self()) return;
QPID_LOG(debug, "cluster: destroy exchange " << name);
BrokerContext::ScopedSuppressReplication ssr;
broker.getExchanges().destroy(name);
}
void WiringHandler::bind(
const std::string& queueName, const std::string& exchangeName,
const std::string& routingKey, const FieldTable& arguments)
{
if (sender() == self()) return;
QPID_LOG(debug, "cluster: bind queue=" << queueName
<< " exchange=" << exchangeName
<< " key=" << routingKey
<< " arguments=" << arguments);
BrokerContext::ScopedSuppressReplication ssr;
broker.bind(queueName, exchangeName, routingKey, arguments, std::string(), std::string());
}
void WiringHandler::unbind(
const std::string& queueName, const std::string& exchangeName,
const std::string& routingKey, const FieldTable& arguments)
{
if (sender() == self()) return;
QPID_LOG(debug, "cluster: unbind queue=" << queueName
<< " exchange=" << exchangeName
<< " key=" << routingKey
<< " arguments=" << arguments);
BrokerContext::ScopedSuppressReplication ssr;
broker.unbind(queueName, exchangeName, routingKey, std::string(), std::string());
}
}} // namespace qpid::cluster
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