mirror of
https://github.com/ZeroTier/ZeroTierOne
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89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
/**************************************************************************
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Copyright (c) 2021 sewenew
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*************************************************************************/
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#ifndef SEWENEW_REDISPLUSPLUS_ASYNC_SENTINEL_H
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#define SEWENEW_REDISPLUSPLUS_ASYNC_SENTINEL_H
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#include <mutex>
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#include <memory>
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#include <queue>
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#include <condition_variable>
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#include "sentinel.h"
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#include "async_connection.h"
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namespace sw {
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namespace redis {
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class AsyncConnectionPool;
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class AsyncSentinel {
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public:
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explicit AsyncSentinel(const SentinelOptions &sentinel_opts);
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AsyncSentinel(const AsyncSentinel &) = delete;
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AsyncSentinel& operator=(const AsyncSentinel &) = delete;
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AsyncSentinel(AsyncSentinel &&) = delete;
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AsyncSentinel& operator=(AsyncSentinel &&) = delete;
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~AsyncSentinel();
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private:
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friend class SimpleAsyncSentinel;
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struct AsyncSentinelTask {
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operator bool() const noexcept {
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return bool(connection);
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}
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std::weak_ptr<AsyncConnectionPool> pool;
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AsyncConnectionSPtr connection;
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std::string master_name;
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Role role = Role::MASTER;
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};
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void add(AsyncSentinelTask task);
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void _stop_worker();
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void _run_task(AsyncSentinelTask &task);
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std::queue<AsyncSentinelTask> _fetch_tasks();
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void _run();
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std::queue<AsyncSentinelTask> _tasks;
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std::shared_ptr<Sentinel> _sentinel;
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std::thread _worker;
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std::mutex _mutex;
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std::condition_variable _cv;
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};
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using AsyncSentinelSPtr = std::shared_ptr<AsyncSentinel>;
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}
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}
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#endif // end SEWENEW_REDISPLUSPLUS_ASYNC_SENTINEL_H
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