1 // Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
2 // Licensed under the MIT License:
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a copy
5 // of this software and associated documentation files (the "Software"), to deal
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8 // copies of the Software, and to permit persons to whom the Software is
9 // furnished to do so, subject to the following conditions:
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14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 // THE SOFTWARE.
21 
22 #include "catrank.capnp.h"
23 #include "capnproto-common.h"
24 
25 namespace capnp {
26 namespace benchmark {
27 namespace capnp {
28 
29 struct ScoredResult {
30   double score;
31   SearchResult::Reader result;
32 
33   ScoredResult() = default;
ScoredResultcapnp::benchmark::capnp::ScoredResult34   ScoredResult(double score, SearchResult::Reader result): score(score), result(result) {}
35 
operator <capnp::benchmark::capnp::ScoredResult36   inline bool operator<(const ScoredResult& other) const { return score > other.score; }
37 };
38 
39 class CatRankTestCase {
40 public:
41   typedef SearchResultList Request;
42   typedef SearchResultList Response;
43   typedef int Expectation;
44 
setupRequest(SearchResultList::Builder request)45   static int setupRequest(SearchResultList::Builder request) {
46     int count = fastRand(1000);
47     int goodCount = 0;
48 
49     auto list = request.initResults(count);
50 
51     for (int i = 0; i < count; i++) {
52       SearchResult::Builder result = list[i];
53       result.setScore(1000 - i);
54       int urlSize = fastRand(100);
55 
56       static const char URL_PREFIX[] = "http://example.com/";
57       size_t urlPrefixLength = strlen(URL_PREFIX);
58       auto url = result.initUrl(urlSize + urlPrefixLength);
59 
60       strcpy(url.begin(), URL_PREFIX);
61       char* pos = url.begin() + urlPrefixLength;
62       for (int j = 0; j < urlSize; j++) {
63         *pos++ = 'a' + fastRand(26);
64       }
65 
66       bool isCat = fastRand(8) == 0;
67       bool isDog = fastRand(8) == 0;
68       goodCount += isCat && !isDog;
69 
70       static std::string snippet;
71       snippet.clear();
72       snippet.push_back(' ');
73 
74       int prefix = fastRand(20);
75       for (int j = 0; j < prefix; j++) {
76         snippet.append(WORDS[fastRand(WORDS_COUNT)]);
77       }
78 
79       if (isCat) snippet.append("cat ");
80       if (isDog) snippet.append("dog ");
81 
82       int suffix = fastRand(20);
83       for (int j = 0; j < suffix; j++) {
84         snippet.append(WORDS[fastRand(WORDS_COUNT)]);
85       }
86 
87       result.setSnippet(Text::Reader(snippet.c_str(), snippet.size()));
88     }
89 
90     return goodCount;
91   }
92 
handleRequest(SearchResultList::Reader request,SearchResultList::Builder response)93   static void handleRequest(SearchResultList::Reader request, SearchResultList::Builder response) {
94     std::vector<ScoredResult> scoredResults;
95 
96     for (auto result: request.getResults()) {
97       double score = result.getScore();
98       if (strstr(result.getSnippet().cStr(), " cat ") != nullptr) {
99         score *= 10000;
100       }
101       if (strstr(result.getSnippet().cStr(), " dog ") != nullptr) {
102         score /= 10000;
103       }
104       scoredResults.emplace_back(score, result);
105     }
106 
107     std::sort(scoredResults.begin(), scoredResults.end());
108 
109     auto list = response.initResults(scoredResults.size());
110     auto iter = list.begin();
111     for (auto result: scoredResults) {
112       iter->setScore(result.score);
113       iter->setUrl(result.result.getUrl());
114       iter->setSnippet(result.result.getSnippet());
115       ++iter;
116     }
117   }
118 
checkResponse(SearchResultList::Reader response,int expectedGoodCount)119   static bool checkResponse(SearchResultList::Reader response, int expectedGoodCount) {
120     int goodCount = 0;
121     for (auto result: response.getResults()) {
122       if (result.getScore() > 1001) {
123         ++goodCount;
124       } else {
125         break;
126       }
127     }
128 
129     return goodCount == expectedGoodCount;
130   }
131 };
132 
133 }  // namespace capnp
134 }  // namespace benchmark
135 }  // namespace capnp
136 
main(int argc,char * argv[])137 int main(int argc, char* argv[]) {
138   return capnp::benchmark::benchmarkMain<
139       capnp::benchmark::capnp::BenchmarkTypes,
140       capnp::benchmark::capnp::CatRankTestCase>(argc, argv);
141 }
142