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annotate dep/animia/src/strategist.cc @ 148:aa4df5a84338

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dep/animia: use std::pair instead of std::tuple
author Paper <mrpapersonic@gmail.com>
date Tue, 14 Nov 2023 13:27:13 -0500
parents 1e696863b54c
children ffa535b6d630
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1 #include "animia/strategies.h"
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2 #include "animia/util.h"
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3 #include "animia/fd.h"
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4 #include "animia.h"
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5
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6 namespace animia::internal {
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7
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8 class Strategist {
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9 public:
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10 Strategist(Result& result) : result_(result) {}
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11
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12 bool ApplyStrategies();
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13
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14 private:
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15 bool AddMedia(const MediaInfo media_information);
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16
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17 bool ApplyOpenFilesStrategy();
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18
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19 Result& result_;
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20 };
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21
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22 bool Strategist::ApplyStrategies() {
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23 bool success = false;
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24
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25 for (const auto strategy : result_.player.strategies) {
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26 switch (strategy) {
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27 case Strategy::OpenFiles:
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28 success |= ApplyOpenFilesStrategy();
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29 break;
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30 }
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31 }
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32
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33 return success;
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34 }
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35
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36 bool ApplyStrategies(std::vector<Result>& results) {
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37 bool success = false;
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38
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39 for (auto& result : results) {
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40 Strategist strategist(result);
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41 success |= strategist.ApplyStrategies();
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42 }
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43
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44 return success;
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45 }
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46
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47 ////////////////////////////////////////////////////////////////////////////////
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48
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49 bool Strategist::ApplyOpenFilesStrategy() {
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50 bool success = false;
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51
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52 const std::set<pid_t> pids{result_.process.pid};
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53 std::vector<std::pair<pid_t, std::string>> files;
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54
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55 fd.EnumerateOpenFiles(pids, files);
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56
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57 for (const auto& [pid, file] : files) {
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58 success |= AddMedia({MediaInfoType::File, file});
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59 }
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60
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61 return success;
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62 }
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63
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64 ////////////////////////////////////////////////////////////////////////////////
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65
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66 bool Strategist::AddMedia(const MediaInfo media_information) {
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67 if (media_information.value.empty())
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68 return false;
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69
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70 Media media;
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71 media.information.push_back(media_information);
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72 result_.media.push_back(std::move(media));
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73
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74 return true;
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75 }
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77 }