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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 "qpid/messaging/FailoverUpdates.h"
#include "qpid/messaging/Connection.h"
#include "qpid/messaging/Message.h"
#include "qpid/messaging/Receiver.h"
#include "qpid/messaging/Session.h"
#include "qpid/sys/Runnable.h"
#include "qpid/sys/Thread.h"
#include "qpid/log/Statement.h"
#include "qpid/Exception.h"
#include "qpid/Url.h"
#include "qpid/framing/Uuid.h"
#include <vector>
namespace qpid {
namespace messaging {
using framing::Uuid;
struct FailoverUpdatesImpl : qpid::sys::Runnable
{
Connection connection;
Session session;
Receiver receiver;
qpid::sys::Thread thread;
FailoverUpdatesImpl(Connection& c) : connection(c)
{
session = connection.createSession("failover-updates."+Uuid(true).str());
receiver = session.createReceiver("amq.failover");
thread = qpid::sys::Thread(*this);
}
~FailoverUpdatesImpl() {
try {
session.close();
} catch(...) {} // Squash exceptions in a destructor.
thread.join();
}
void run()
{
try {
Message message;
while (receiver.fetch(message)) {
connection.setOption("reconnect-urls", message.getProperties()["amq.failover"]);
QPID_LOG(debug, "Set reconnect-urls to " << message.getProperties()["amq.failover"]);
session.acknowledge();
}
}
catch (const ClosedException&) {}
catch (const qpid::TransportFailure& e) {
QPID_LOG(warning, "Failover updates stopped on loss of connection. " << e.what());
}
catch (const std::exception& e) {
QPID_LOG(warning, "Failover updates stopped due to exception: " << e.what());
}
}
};
FailoverUpdates::FailoverUpdates(Connection& connection) : impl(new FailoverUpdatesImpl(connection)) {}
FailoverUpdates::~FailoverUpdates() { if (impl) { delete impl; } }
FailoverUpdates::FailoverUpdates(const FailoverUpdates&) : impl(0) {}
FailoverUpdates& FailoverUpdates::operator=(const FailoverUpdates&) { return *this; }
}} // namespace qpid::messaging
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