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Diffstat (limited to 'cpp/src/qpid/ha/Membership.h')
-rw-r--r-- | cpp/src/qpid/ha/Membership.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/cpp/src/qpid/ha/Membership.h b/cpp/src/qpid/ha/Membership.h new file mode 100644 index 0000000000..3bd8653a64 --- /dev/null +++ b/cpp/src/qpid/ha/Membership.h @@ -0,0 +1,68 @@ +#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/framing/Uuid.h" +#include "qpid/log/Statement.h" +#include "qpid/types/Variant.h" +#include <boost/function.hpp> +#include <set> +#include <vector> +#include <iosfwd> +namespace qpid { +namespace ha { + +/** + * Keep track of the brokers in the membership. + * THREAD UNSAFE: caller must serialize + */ +class Membership +{ + public: + Membership(const types::Uuid& self_) : self(self_) {} + + void reset(const BrokerInfo& b); ///< Reset to contain just one member. + void add(const BrokerInfo& b); + void remove(const types::Uuid& id); + bool contains(const types::Uuid& id); + /** Return IDs of all 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); + + private: + types::Uuid self; + BrokerInfo::Map brokers; + friend std::ostream& operator<<(std::ostream&, const Membership&); +}; + +std::ostream& operator<<(std::ostream&, const Membership&); + +}} // namespace qpid::ha + +#endif /*!QPID_HA_MEMBERSHIP_H*/ |