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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 "DriverImpl.h"
#include "Transport.h"
#include "qpid/messaging/exceptions.h"
#include "qpid/sys/Poller.h"
#include "qpid/log/Statement.h"
namespace qpid {
namespace messaging {
namespace amqp {
DriverImpl::DriverImpl() : poller(new qpid::sys::Poller)
{
start();
}
DriverImpl::~DriverImpl()
{
stop();
}
void DriverImpl::start()
{
thread = qpid::sys::Thread(*poller);
QPID_LOG(debug, "Driver started");
}
void DriverImpl::stop()
{
QPID_LOG(debug, "Driver stopped");
poller->shutdown();
thread.join();
}
boost::shared_ptr<Transport> DriverImpl::getTransport(const std::string& protocol, TransportContext& connection)
{
boost::shared_ptr<Transport> t(Transport::create(protocol, connection, poller));
if (!t) throw qpid::messaging::ConnectionError("No such transport: " + protocol);
return t;
}
qpid::sys::Mutex DriverImpl::defaultLock;
boost::weak_ptr<DriverImpl> DriverImpl::theDefault;
boost::shared_ptr<DriverImpl> DriverImpl::getDefault()
{
qpid::sys::Mutex::ScopedLock l(defaultLock);
boost::shared_ptr<DriverImpl> p = theDefault.lock();
if (!p) {
p = boost::shared_ptr<DriverImpl>(new DriverImpl);
theDefault = p;
}
return p;
}
}}} // namespace qpid::messaging::amqp
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