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https://github.com/Telecominfraproject/wlan-cloud-lib-cppkafka.git
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64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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* Copyright (c) 2016, Matias Fontanini
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef CPPKAFKA_ZOOKEEPER_WATCHER_H
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#define CPPKAFKA_ZOOKEEPER_WATCHER_H
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#include <memory>
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#include <string>
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#include <chrono>
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#include <zookeeper/zookeeper.h>
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namespace cppkafka {
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class ZookeeperWatcher {
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public:
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static const std::chrono::milliseconds DEFAULT_RECEIVE_TIMEOUT;
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ZookeeperWatcher(const std::string& endpoint);
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ZookeeperWatcher(const std::string& endpoint, std::chrono::milliseconds receive_timeout);
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std::string get_brokers();
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private:
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using HandlePtr = std::unique_ptr<zhandle_t, decltype(&zookeeper_close)>;
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static const std::string BROKERS_PATH;
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static void handle_event_proxy(zhandle_t* zh, int type, int state, const char* path,
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void* ctx);
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void handle_event(int type, int state, const char* path);
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HandlePtr handle_;
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};
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} // cppkafka
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#endif // CPPKAFKA_ZOOKEEPER_WATCHER_H
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