996
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1 /*
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2 * Copyright (c) 2009, 2011 Gregor Richards
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3 *
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4 * Permission is hereby granted, free of charge, to any person obtaining a copy
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5 * of this software and associated documentation files (the "Software"), to deal
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6 * in the Software without restriction, including without limitation the rights
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7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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8 * copies of the Software, and to permit persons to whom the Software is
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9 * furnished to do so, subject to the following conditions:
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10 *
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11 * The above copyright notice and this permission notice shall be included in
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12 * all copies or substantial portions of the Software.
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13 *
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14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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20 * SOFTWARE.
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21 */
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22
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23 /* NOTE: I am aware of how ugly this code is. It was quick hack. */
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24
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25 #ifndef _BSD_SOURCE
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26 #define _BSD_SOURCE
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27 #endif
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28
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29 #include <pthread.h>
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30 #include <fcntl.h>
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31 #include <signal.h>
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32 #include <stdio.h>
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33 #include <stdlib.h>
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34 #include <string.h>
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35 #include <sys/types.h>
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36 #include <sys/wait.h>
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37 #include <unistd.h>
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38
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39 #include "helpers.h"
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40
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41 #define MINTAPELEN 10
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42 #define MAXTAPELEN 30
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43 #define POLARITIES 4
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44 #define RUNCOUNT (((MAXTAPELEN-MINTAPELEN) + 1) * POLARITIES)
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45
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46 #define KEEP_PROGRAMS 47
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47
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48 char *fyb, *cachedir;
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49 int programCount;
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50 char **programs;
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51 char *scores;
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52 int breakdown;
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53
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54 struct ProgramScore {
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55 int id;
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56 int pts;
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57 double prc;
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58 };
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59
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60 void *runnerThread(void *pvp)
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61 {
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62 int p = (int) (size_t) pvp;
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63 int row = p * programCount;
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64 pid_t pid;
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65 int i;
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66 int st;
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67 char *cacheFilename;
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68 FILE *cacheF;
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69
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70 /* go through each program ... */
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71 for (i = 0; i < programCount; i++) {
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72 if (p == i) continue;
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73
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74 /* check the cache */
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75 SF(cacheFilename, malloc, NULL, (strlen(cachedir) + strlen(programs[p]) + strlen(programs[i]) + 5));
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76 sprintf(cacheFilename, "%s/:%s:%s:", cachedir, programs[p], programs[i]);
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77 cacheF = fopen(cacheFilename, "r");
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78
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79 st = -1;
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80 if (cacheF != NULL) {
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81 /* get the result out of the cache */
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82 st = getc(cacheF);
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83 fclose(cacheF);
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84 if (st == EOF)
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85 st = -1;
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86 scores[row + i] = st;
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87
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88 }
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89
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90 if (st == -1) {
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91 /* and run p vs i */
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92 SF(pid, fork, -1, ());
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93 if (pid == 0) {
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94 close(0);
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95 close(1);
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96 close(2);
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97 dup2(breakdown, 1);
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98 execlp(fyb, fyb, programs[p], programs[i], NULL);
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99 exit(0);
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100 }
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101
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102 /* wait for it */
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103 waitpid(pid, &st, 0);
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104
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105 /* then get the score */
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106 if (WIFEXITED(st)) {
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107 st = WEXITSTATUS(st);
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108 } else {
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109 st = 0;
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110 }
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111 scores[row + i] = st;
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112
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113 /* and cache it */
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114 cacheF = fopen(cacheFilename, "w");
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115 if (cacheF != NULL) {
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116 putc(st, cacheF);
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117 fclose(cacheF);
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118 }
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119 }
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120
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121 free(cacheFilename);
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122 }
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123
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124 return NULL;
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125 }
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126
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127 int winner(int p1, int p2)
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128 {
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129 char win1, win2;
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130
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131 win1 = scores[p1*programCount + p2];
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132 win2 = scores[p2*programCount + p1];
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133 if (win1 == 1 && win2 != 1)
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134 return p1;
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135 else if (win1 == 2 && win2 != 2)
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136 return p2;
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137 else if (win2 == 2 && win1 != 2)
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138 return p1;
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139 else if (win2 == 1 && win1 != 1)
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140 return p2;
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141
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142 return -1;
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143 }
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144
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145 int ptscompar(const void *lv, const void *rv)
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146 {
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147 const struct ProgramScore *l = *((const struct ProgramScore **) lv);
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148 const struct ProgramScore *r = *((const struct ProgramScore **) rv);
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149
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150 if (l->pts < r->pts) {
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151 return -1;
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152 } else if (l->pts > r->pts) {
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153 return 1;
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154 } else {
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155 return 0;
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156 }
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157 }
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158
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159 int prccompar(const void *lv, const void *rv)
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160 {
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161 const struct ProgramScore *l = *((const struct ProgramScore **) lv);
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162 const struct ProgramScore *r = *((const struct ProgramScore **) rv);
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163
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164 if (l->prc < r->prc) {
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165 return -1;
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166 } else if (l->prc > r->prc) {
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167 return 1;
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168 } else {
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169 return 0;
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170 }
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171 }
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172
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173 int main(int argc, char **argv)
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174 {
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175 pthread_t *threads;
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176 int i, j;
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177 int *plainScores;
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178 double *preciseScores;
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179 struct ProgramScore **allScores;
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180 char *scoreFilename;
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181 FILE *scoreF;
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182
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183 if (argc < 4) {
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184 fprintf(stderr, "Use: report <fyb program> <cache dir> <fyb files>\n");
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185 return 1;
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186 }
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187
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188 fyb = argv[1];
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189 cachedir = argv[2];
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190 programCount = argc - 3;
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191 programs = argv + 3;
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192
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193 signal(SIGCHLD, SIG_DFL);
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194
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195 /* allocate space for the scores */
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196 SF(scores, malloc, NULL, (programCount * programCount));
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197
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198 /* now run them in threads */
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199 breakdown = open("breakdown.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666);
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200 SF(threads, malloc, NULL, (programCount * sizeof(pthread_t)));
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201 for (i = 0; i < programCount; i++) {
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202 /*pthread_create(&threads[i], NULL, runnerThread, (void *) (size_t) i);*/
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203 runnerThread((void *) (size_t) i);
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204 }
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205 close(breakdown);
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206
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207 /* wait for the threads to finish * /
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208 for (i = 0; i < programCount; i++) {
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209 pthread_join(threads[i], NULL);
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210 } */
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211
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212 /* allocate the score buffers */
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213 SF(allScores, malloc, NULL, (programCount * sizeof(struct ProgramScore *)));
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214 for (i = 0; i < programCount; i++) {
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215 SF(allScores[i], malloc, NULL, (sizeof(struct ProgramScore)));
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216 allScores[i]->id = i;
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217 }
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218
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219 /* now calculate the plain score for each */
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220 SF(plainScores, malloc, NULL, (programCount * sizeof(int)));
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221 for (i = 0; i < programCount; i++) {
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222 int score = 0;
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223 for (j = 0; j < programCount; j++) {
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224 int win;
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225
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226 if (i == j) continue;
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227
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228 win = winner(i, j);
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229 if (win == i) {
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230 score++;
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231 } else if (win == j) {
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232 score--;
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233 }
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234 }
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235 allScores[i]->pts = plainScores[i] = score;
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236 }
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237
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238 /* and the precise scores for each */
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239 SF(preciseScores, malloc, NULL, (programCount * sizeof(double)));
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240 for (i = 0; i < programCount; i++) {
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241 double score = 0;
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242 for (j = 0; j < programCount; j++) {
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243 double value;
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244 int win;
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245
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246 if (i == j) continue;
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247
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248 /* get the value of j */
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249 value = (double) (plainScores[j] + programCount) / (double) (2*programCount-2);
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250
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251 /* and add the value if correct */
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252 win = winner(i, j);
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253 if (win == i) {
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254 score += value;
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255 } else if (win == 0) {
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256 score += value/2;
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257 }
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258 }
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259 allScores[i]->prc = preciseScores[i] = score * 200 / (programCount-1);
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260
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261 /* save it to the cache */
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262 SF(scoreFilename, malloc, NULL, (strlen(cachedir) + strlen(programs[i]) + 8));
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263 sprintf(scoreFilename, "%s/%s.score", cachedir, programs[i]);
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264 scoreF = fopen(scoreFilename, "w");
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265 if (scoreF != NULL) {
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266 fprintf(scoreF, "%.1f", preciseScores[i]);
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267 fclose(scoreF);
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268 }
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269 free(scoreFilename);
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270 }
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271
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272 /* now print out the scores */
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273 qsort(allScores, programCount, sizeof(struct ProgramScore *), prccompar);
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274 printf("Pos ID Score Points Program\n");
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275 for (i = programCount - 1; i >= 0; i--) {
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276 struct ProgramScore *sc = allScores[i];
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277 printf(" %2d %2d %6.2f %6.2f %s\n",
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278 programCount - i, (int) sc->id, sc->prc, sc->pts, programs[sc->id]);
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279 }
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280 printf("\n");
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281
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282 /* and the full scoreboard */
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283
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284 /* header */
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285 printf(" | ");
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286 for (i = 0; i < programCount; i++) {
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287 if (i < 10) printf(" ");
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288 else printf("%1d ", (int) (i/10%10));
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289 }
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290 printf("|\n | ");
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291 for (i = 0; i < programCount; i++) {
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292 printf("%1d ", (int) (i%10));
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293 }
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294 printf("| score | pts | program\n");
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295
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296 /* scores */
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297 for (i = 0; i < programCount; i++) {
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298 printf("%2d | ", (int) i);
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299 for (j = 0; j < programCount; j++) {
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300 int win;
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301
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302 if (i == j) {
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303 printf(" ");
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304 continue;
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305 }
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306
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307 win = winner(i, j);
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308 if (win == i) {
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309 printf("+ ");
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310 } else if (win == j) {
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311 printf("- ");
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312 } else {
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313 printf("0 ");
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314 }
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315 }
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316
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317 printf("| %5.1f | %3d | %s\n", preciseScores[i], plainScores[i], programs[i]);
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318 }
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319
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320 /* kill any poorly-performing programs */
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321 if (programCount > KEEP_PROGRAMS) {
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322 for (i = 0; i < programCount - KEEP_PROGRAMS; i++) {
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323 char buf[1024];
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324 snprintf(buf, 1024, "hg rm -f %s", programs[allScores[i]->id]);
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325 system(buf);
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326 system(buf + 3);
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327 }
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328 system("hg commit -m Trimming.");
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329 }
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330
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331 return 0;
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332 }
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