diff options
Diffstat (limited to 'qpid/cpp/src/qpid/messaging/FailoverUpdates.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/messaging/FailoverUpdates.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/messaging/FailoverUpdates.cpp b/qpid/cpp/src/qpid/messaging/FailoverUpdates.cpp new file mode 100644 index 0000000000..4f2fcf2e82 --- /dev/null +++ b/qpid/cpp/src/qpid/messaging/FailoverUpdates.cpp @@ -0,0 +1,85 @@ +/* + * + * 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 |