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Diffstat (limited to 'cpp/src/qpid/client/FailoverManager.h')
-rw-r--r-- | cpp/src/qpid/client/FailoverManager.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/cpp/src/qpid/client/FailoverManager.h b/cpp/src/qpid/client/FailoverManager.h new file mode 100644 index 0000000000..d17b8371d0 --- /dev/null +++ b/cpp/src/qpid/client/FailoverManager.h @@ -0,0 +1,70 @@ +#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*/ |