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Diffstat (limited to 'qpid/cpp/src/qpid/ha/Backup.h')
-rw-r--r-- | qpid/cpp/src/qpid/ha/Backup.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/ha/Backup.h b/qpid/cpp/src/qpid/ha/Backup.h new file mode 100644 index 0000000000..47c44aa59c --- /dev/null +++ b/qpid/cpp/src/qpid/ha/Backup.h @@ -0,0 +1,82 @@ +#ifndef QPID_HA_BACKUP_H +#define QPID_HA_BACKUP_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 "LogPrefix.h" +#include "Role.h" +#include "Settings.h" +#include "qpid/Url.h" +#include "qpid/sys/Mutex.h" +#include <boost/shared_ptr.hpp> + +namespace qpid { + +namespace broker { +class Broker; +class Link; +} + +namespace ha { +class Settings; +class BrokerReplicator; +class HaBroker; +class StatusCheck; +class Membership; + +/** + * Backup role: Manages connections to primary, replicates management events and queue contents. + * + * THREAD SAFE + */ +class Backup : public Role +{ + public: + Backup(HaBroker&, const Settings&); + ~Backup(); + + void setBrokerUrl(const Url&); + + Role* promote(); + + boost::shared_ptr<BrokerReplicator> getBrokerReplicator() { return replicator; } + + private: + void stop(sys::Mutex::ScopedLock&); + Role* recover(sys::Mutex::ScopedLock&); + + const LogPrefix& logPrefix; + Membership& membership; + + sys::Mutex lock; + bool stopped; + HaBroker& haBroker; + broker::Broker& broker; + Settings settings; + boost::shared_ptr<broker::Link> link; + boost::shared_ptr<BrokerReplicator> replicator; + std::auto_ptr<StatusCheck> statusCheck; +}; + +}} // namespace qpid::ha + +#endif /*!QPID_HA_BACKUP_H*/ |