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55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2013-2020 Winlin
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SRS_KERNEL_BALANCE_HPP
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#define SRS_KERNEL_BALANCE_HPP
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#include <srs_core.hpp>
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#include <vector>
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#include <string>
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/**
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* the round-robin load balance algorithm,
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* used for edge pull and other multiple server feature.
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*/
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class SrsLbRoundRobin
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{
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private:
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// current selected index.
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int index;
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// total scheduled count.
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uint32_t count;
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// current selected server.
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std::string elem;
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public:
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SrsLbRoundRobin();
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virtual ~SrsLbRoundRobin();
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public:
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virtual uint32_t current();
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virtual std::string selected();
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virtual std::string select(const std::vector<std::string>& servers);
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};
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#endif
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