mirror of https://github.com/ossrs/srs.git
add load balance round robin for brokers.
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/*
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The MIT License (MIT)
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Copyright (c) 2013-2015 SRS(simple-rtmp-server)
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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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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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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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#include <srs_kernel_balance.hpp>
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SrsLbRoundRobin::SrsLbRoundRobin()
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{
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index = -1;
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count = 0;
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}
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SrsLbRoundRobin::~SrsLbRoundRobin()
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{
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}
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u_int32_t SrsLbRoundRobin::current()
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{
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return index;
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}
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/*
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The MIT License (MIT)
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Copyright (c) 2013-2015 SRS(simple-rtmp-server)
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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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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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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_AAC_HPP
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#define SRS_KERNEL_AAC_HPP
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/*
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#include <srs_kernel_balance.hpp>
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*/
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#include <srs_core.hpp>
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#include <vector>
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/**
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* the round-robin load balance algorithm,
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* used for edge pull, kafka 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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u_int32_t count;
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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 u_int32_t current();
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public:
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template<typename T>
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const T& select(const std::vector<T>& servers)
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{
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srs_assert(!servers.empty());
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index = (int)(count++ % servers.size());
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return servers.at(index);
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}
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};
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#endif
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