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#ifndef QPID_CLIENT_FAILOVERMANAGER_H
#define QPID_CLIENT_FAILOVERMANAGER_H
/*
*
* 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 "Connection.h"
#include "ConnectionSettings.h"
#include "qpid/Exception.h"
#include "qpid/client/AsyncSession.h"
#include "qpid/sys/Monitor.h"
#include <vector>
namespace qpid {
namespace client {
struct CannotConnectException : qpid::Exception
{
CannotConnectException(const std::string& m) : qpid::Exception(m) {}
};
/**
* Utility to handle reconnection.
*/
class FailoverManager
{
public:
struct Command
{
virtual void execute(AsyncSession& session, bool isRetry) = 0;
virtual ~Command() {}
};
FailoverManager(const ConnectionSettings& settings);
Connection& connect(std::vector<Url> brokers = std::vector<Url>());
Connection& getConnection();
void close();
void execute(Command&);
private:
enum State {IDLE, CONNECTING, CANT_CONNECT};
qpid::sys::Monitor lock;
Connection connection;
ConnectionSettings settings;
State state;
void attempt(Connection&, ConnectionSettings settings, std::vector<Url> urls);
void attempt(Connection&, ConnectionSettings settings);
};
}} // namespace qpid::client
#endif /*!QPID_CLIENT_FAILOVERMANAGER_H*/
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