2021-08-24 18:10:20 -04:00
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/*
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mergeproxyuniverse.cpp
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Copyright (c) 2020 Kevin Matz (kevin.matz@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, 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,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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2021-08-28 15:28:52 -04:00
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#include "arbitratinguniverse.h"
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2021-08-28 09:01:33 -04:00
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namespace sACN {
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/**
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* @brief MergeProxyUniverse::MergeProxyUniverse
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*/
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ArbitratingUniverse::ArbitratingUniverse()
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: sACN::Universe()
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, expectedUniverse(0)
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{
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}
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/**
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* @brief MergeProxyUniverse::~MergeProxyUniverse
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*/
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ArbitratingUniverse::~ArbitratingUniverse()
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{
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for (auto& [_, universe] : sources_)
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delete universe;
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}
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/**
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* @brief MergeProxyUniverse::sources
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* @return
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*/
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const std::vector<DATA::data_header> ArbitratingUniverse::sources() const
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{
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std::vector<DATA::data_header> keys;
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for (const auto& [key, _] : sources_)
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keys.push_back(key);
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return keys;
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}
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/**
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* @brief MergeProxyUniverse::sourceUniverse
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* @param src
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* @return
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*/
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Universe* ArbitratingUniverse::sourceUniverse(const DATA::data_header &src)
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{
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if (!hasSourceUniverse(src))
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newProvenance_(src);
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return sources_.at(src);
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}
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/**
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* @brief MergeProxyUniverse::hasSourceUniverse
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* @param src
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* @return
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*/
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bool ArbitratingUniverse::hasSourceUniverse(const DATA::data_header& src) const
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{
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if (sources_.count(src))
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return true;
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return false;
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}
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/**
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* @brief MergeProxyUniverse::hassources
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* @return
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*/
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bool ArbitratingUniverse::hasSources() const
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{
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if (sources_.size())
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return true;
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return false;
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}
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/**
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* @brief MergeProxyUniverse::deleteSourceUniverse
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* @param src
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*/
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void ArbitratingUniverse::deleteSourceUniverse(const DATA::data_header& src)
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{
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if (sources_.count(src))
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{
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delete sources_.at(src);
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sources_.erase(src);
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}
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}
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/**
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* @brief MergeProxyUniverse::addSourceUniverse
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* @param universe
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*/
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void ArbitratingUniverse::addSourceUniverse(Universe* universe)
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{
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sources_.at(*universe->provenance()) = universe;
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}
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/**
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* @brief MergeProxyUniverse::dataChangedNotifier
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* @param dmx
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*/
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void ArbitratingUniverse::dataChangedNotifier(DMX::Universe* dmx)
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{
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auto sacn = static_cast<sACN::Universe*>(dmx);
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auto universe = dominant_();
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if (!universe)
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return;
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if (sacn->provenance() == universe->provenance())
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for (const auto &cb : callbacks_)
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cb(this);
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}
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/**
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* @brief MergeProxyUniverse::isSyncronized
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* @return
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*/
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bool ArbitratingUniverse::isSyncronized() const
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{
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auto universe = dominant_();
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if (!universe)
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return false;
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return universe->isSyncronized();
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}
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/**
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* @brief MergeProxyUniverse::provenance
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* @return
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*/
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std::shared_ptr<DATA::data_header> ArbitratingUniverse::provenance() const
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{
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auto universe = dominant_();
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if (universe)
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return universe->provenance();
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auto prov = std::make_shared<DATA::data_header>();
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prov->universe = expectedUniverse;
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prov->priority = 255; // invalid data
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prov->source_name = "Pending data...";
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return prov;
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}
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/**
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* @brief MergeProxyUniverse::set
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* @param pdu
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* @param src
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*/
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void ArbitratingUniverse::set(std::shared_ptr<ACN::DMP::Pdu> pdu,
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std::shared_ptr<DATA::data_header> src)
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{
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if (expectedUniverse != 0 && src->universe != expectedUniverse)
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return;
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if (!sources_.count(*src))
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newProvenance_(*src);
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sources_.at(*src)->set(pdu, src);
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}
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/**
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* @brief ArbitratingUniverse::synchronize
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* @param sequence_number
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*/
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void ArbitratingUniverse::synchronize(uint8_t sequence_number)
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{
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for ( auto& [_, uni] : sources_)
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uni->synchronize(sequence_number);
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}
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bool ArbitratingUniverse::isEditable() const {
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return false;
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}
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uint16_t ArbitratingUniverse::activeSlots() const
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{
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auto universe = dominant_();
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if (!universe)
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return 0;
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return universe->activeSlots();
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}
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/**
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* @brief MergeProxyUniverse::slot
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* @param s
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* @return
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*/
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uint8_t ArbitratingUniverse::slot(const uint16_t s) const
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{
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auto universe = dominant_();
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if (!universe)
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return 0;
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return universe->slot(s);
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}
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/**
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* @brief MergeProxyUniverse::rxRate
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* @return
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*/
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double ArbitratingUniverse::rxRate()
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{
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auto universe = dominant_();
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if (!universe)
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return 0.0;
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return universe->rxRate();
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}
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/**
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* @brief MergeProxyUniverse::dominant_
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* @return
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*/
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Universe* ArbitratingUniverse::dominant_() const
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{
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Universe* ret = nullptr;
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for (auto& [_, uni] : sources_)
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{
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if (uni->rxRate() < (DMX::E111_DATA_LOSS_TIMEOUT / 1000.0))
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continue; // stale universes cannot be dominant
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if (!ret || uni->provenance() > ret->provenance())
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ret = uni;
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}
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return ret;
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}
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/**
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* @brief MergeProxyUniverse::newSource_
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* @param src
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*/
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void ArbitratingUniverse::newProvenance_(const DATA::data_header &src)
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{
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sources_.emplace(src, new Universe());
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sources_.at(src)->onData(std::bind(&sACN::ArbitratingUniverse::dataChangedNotifier,
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this, std::placeholders::_1));
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}
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} // namespace SACN
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