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#ifndef QPID_HA_MEMBERSHIP_H
#define QPID_HA_MEMBERSHIP_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 "BrokerInfo.h"
#include "types.h"
#include "qpid/log/Statement.h"
#include "qpid/sys/Mutex.h"
#include "qpid/types/Variant.h"
#include <boost/function.hpp>
#include <set>
#include <vector>
#include <iosfwd>
namespace qmf { namespace org { namespace apache { namespace qpid { namespace ha {
class HaBroker;
}}}}}
namespace qpid {
namespace broker {
class Broker;
}
namespace types {
class Uuid;
}
namespace ha {
class HaBroker;
/**
* Keep track of the brokers in the membership.
* Send management when events on membership changes.
* THREAD SAFE
*/
class Membership
{
public:
Membership(const BrokerInfo& info, HaBroker&);
void setMgmtObject(boost::shared_ptr<qmf::org::apache::qpid::ha::HaBroker>);
void clear(); ///< Clear all but self.
void add(const BrokerInfo& b);
void remove(const types::Uuid& id);
bool contains(const types::Uuid& id);
/** Return IDs of all READY backups other than self */
BrokerInfo::Set otherBackups() const;
void assign(const types::Variant::List&);
types::Variant::List asList() const;
bool get(const types::Uuid& id, BrokerInfo& result) const;
types::Uuid getSelf() const { return self; }
BrokerInfo getInfo() const;
BrokerStatus getStatus() const;
void setStatus(BrokerStatus s);
private:
void update(sys::Mutex::ScopedLock&);
BrokerStatus getStatus(sys::Mutex::ScopedLock&) const;
mutable sys::Mutex lock;
HaBroker& haBroker;
boost::shared_ptr<qmf::org::apache::qpid::ha::HaBroker> mgmtObject;
const types::Uuid self;
BrokerInfo::Map brokers;
};
}} // namespace qpid::ha
#endif /*!QPID_HA_MEMBERSHIP_H*/
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