src/ppastats.c

   1 /*
   2   Copyright (C) 2011-2014 jeanfi@gmail.com
   3
   4   This program is free software; you can redistribute it and/or
   5   modify it under the terms of the GNU General Public License as
   6   published by the Free Software Foundation; either version 2 of the
   7   License, or (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful, but
  10   WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12   General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program; if not, write to the Free Software
  16   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17   02110-1301 USA
  18  */
  19
  20 #include <libintl.h>
  21 #define _(String) gettext(String)
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include <list.h>
  28 #include <lp_ws.h>
  29 #include <plog.h>
  30 #include <ppastats.h>
  31
  32 static struct package_stats *get_package_stats(struct ppa_stats *stats,
  33                                                const char *name)
  34
  35 {
  36         struct package_stats *p, **p_cur, **tmp;
  37
  38         p_cur = stats->packages;
  39         while (p_cur && *p_cur) {
  40                 struct package_stats *p = *p_cur;
  41
  42                 if (!strcmp(p->name, name))
  43                         return p;
  44
  45                 p_cur++;
  46         }
  47
  48         p = malloc(sizeof(struct package_stats));
  49         p->name = strdup(name);
  50         p->versions = NULL;
  51         p->download_count = 0;
  52         p->daily_download_totals = NULL;
  53         p->distros = NULL;
  54
  55         tmp = (struct package_stats **)list_add
  56                 ((void **)stats->packages, p);
  57         free(stats->packages);
  58         stats->packages = tmp;
  59
  60         return p;
  61 }
  62
  63 static struct version_stats *get_version_stats(struct package_stats *package,
  64                                                const char *version)
  65 {
  66         struct version_stats *v, **cur, **tmp;
  67
  68         cur = package->versions;
  69         while (cur && *cur) {
  70                 struct version_stats *v = *cur;
  71
  72                 if (!strcmp(v->version, version))
  73                         return v;
  74
  75                 cur++;
  76         }
  77
  78         v = malloc(sizeof(struct version_stats));
  79         v->version = strdup(version);
  80         v->distros = NULL;
  81         v->download_count = 0;
  82         v->daily_download_totals = NULL;
  83
  84         tmp = (struct version_stats **)list_add((void **)package->versions,
  85                                                 v);
  86         free((void **)package->versions);
  87         package->versions = tmp;
  88
  89         return v;
  90 }
  91
  92 static void arch_stats_free(struct arch_stats *arch)
  93 {
  94         free(arch->name);
  95         free(arch);
  96 }
  97
  98 static struct distro_stats *distro_stats_new(const char *name)
  99 {
 100         struct distro_stats *d;
 101
 102         d = malloc(sizeof(struct distro_stats));
 103         d->name = strdup(name);
 104         d->archs = NULL;
 105         d->download_count = 0;
 106         d->ddts = NULL;
 107
 108         return d;
 109 }
 110
 111 static void distro_stats_free(struct distro_stats *distro)
 112 {
 113         struct arch_stats **archs;
 114
 115         archs = distro->archs;
 116         if (archs) {
 117                 while (*archs) {
 118                         arch_stats_free(*archs);
 119                         archs++;
 120                 }
 121                 free(distro->archs);
 122         }
 123
 124         daily_download_total_list_free(distro->ddts);
 125
 126         free(distro->name);
 127         free(distro);
 128 }
 129
 130 static struct distro_stats *get_distro_stats(struct version_stats *version,
 131                                              const char *name)
 132 {
 133         struct distro_stats **cur, *d, **tmp;
 134
 135         cur = version->distros;
 136
 137         while (cur && *cur) {
 138                 d = *cur;
 139
 140                 if (!strcmp(d->name, name))
 141                         return d;
 142
 143                 cur++;
 144         }
 145
 146         d = distro_stats_new(name);
 147
 148         tmp = (struct distro_stats **)list_add((void **)version->distros,
 149                                                d);
 150         free(version->distros);
 151         version->distros = tmp;
 152
 153         return d;
 154 }
 155
 156 static struct arch_stats *get_arch_stats(struct distro_stats *distro,
 157                                          const char *name)
 158 {
 159         struct arch_stats **cur, *a, **tmp;
 160
 161         cur = distro->archs;
 162         while (cur && *cur) {
 163                 a = *cur;
 164
 165                 if (!strcmp(a->name, name))
 166                         return a;
 167
 168                 cur++;
 169         }
 170
 171         a = malloc(sizeof(struct arch_stats));
 172         a->name = strdup(name);
 173         a->download_count = 0;
 174
 175         tmp = (struct arch_stats **)list_add((void **)distro->archs,
 176                                              a);
 177         free((void **)distro->archs);
 178         distro->archs = tmp;
 179
 180         return a;
 181 }
 182
 183
 184 static struct daily_download_total **add_total
 185 (struct daily_download_total **totals, struct daily_download_total *total)
 186 {
 187         struct daily_download_total **cur, **result, *item;
 188
 189         if (totals) {
 190                 cur = totals;
 191                 while (*cur) {
 192                         item = *cur;
 193
 194                         if (item->date.tm_year == total->date.tm_year &&
 195                             item->date.tm_mon == total->date.tm_mon &&
 196                             item->date.tm_mday == total->date.tm_mday) {
 197                                 item->count += total->count;
 198                                 return totals;
 199                         }
 200
 201                         cur++;
 202                 }
 203         }
 204
 205         result = (struct daily_download_total **)list_add((void **)totals,
 206                                                           ddt_clone(total));
 207         return result;
 208 }
 209
 210 static struct daily_download_total **add_totals
 211 (struct daily_download_total **total1, struct daily_download_total **total2)
 212 {
 213         struct daily_download_total **cur, **result, **tmp;
 214
 215         result = total1;
 216         cur = total2;
 217         while (*cur) {
 218                 tmp = add_total(result, *cur);
 219                 if (result != total1 && result != tmp)
 220                         free(result);
 221                 result = tmp;
 222                 cur++;
 223         }
 224
 225         return result;
 226 }
 227
 228 static void
 229 pkg_add_distro(struct package_stats *pkg,
 230                const char *distro_name,
 231                int distro_count,
 232                struct daily_download_total **ddts)
 233 {
 234         struct distro_stats **pkg_distros, *pkg_distro, **tmp;
 235         struct daily_download_total **tmp_ddts;
 236
 237         pkg_distros = pkg->distros;
 238         pkg_distro = NULL;
 239
 240         if (pkg_distros)
 241                 while (*pkg_distros)  {
 242                         if (!strcmp((*pkg_distros)->name, distro_name)) {
 243                                 pkg_distro = *pkg_distros;
 244                                 break;
 245                         }
 246
 247                         pkg_distros++;
 248                 }
 249
 250         if (!pkg_distro) {
 251                 pkg_distro = distro_stats_new(distro_name);
 252                 tmp = (struct distro_stats **)list_add((void **)pkg->distros,
 253                                                        (void *)pkg_distro);
 254                 if (pkg->distros != tmp)
 255                         free(pkg->distros);
 256                 pkg->distros = tmp;
 257         }
 258
 259         pkg_distro->download_count += distro_count;
 260
 261         tmp_ddts = add_totals(pkg_distro->ddts, ddts);
 262         if (pkg_distro->ddts && pkg_distro->ddts != tmp_ddts)
 263                 free(pkg_distro->ddts);
 264         pkg_distro->ddts = tmp_ddts;
 265 }
 266
 267 static struct ppa_stats *ppa_stats_new(const char *owner, const char *ppa_name)
 268 {
 269         struct ppa_stats *ppa;
 270
 271         ppa = malloc(sizeof(struct ppa_stats));
 272         ppa->name = strdup(ppa_name);
 273         ppa->owner = strdup(owner);
 274         ppa->packages = NULL;
 275         ppa->daily_download_totals = NULL;
 276         ppa->download_count = 0;
 277
 278         return ppa;
 279 }
 280
 281 struct ppa_stats *
 282 create_ppa_stats(const char *owner,
 283                  const char *ppa_name,
 284                  const char *package_status,
 285                  int ws_size)
 286 {
 287         struct ppa_stats *ppa;
 288         struct bpph **history, **h_cur, *h;
 289         char *ppa_url, *pkg_name, *pkg_version;
 290         struct package_stats *pkg;
 291         struct version_stats *version;
 292         const struct distro_series *distro_series;
 293         const struct distro_arch_series *arch_series;
 294         struct distro_stats *distro;
 295         struct arch_stats *arch;
 296         int count;
 297         struct daily_download_total **totals, **tmp;
 298
 299         ppa_url = get_archive_url(owner, ppa_name);
 300         history = get_bpph_list(ppa_url, package_status, ws_size);
 301         free(ppa_url);
 302
 303         if (!history) {
 304                 log_err(_("Failed to retrieve PPA information"));
 305                 exit(EXIT_FAILURE);
 306         }
 307
 308         ppa = ppa_stats_new(owner, ppa_name);
 309
 310         for (h_cur = history; *h_cur; ++h_cur) {
 311                 h = *h_cur;
 312                 totals = get_daily_download_totals(h->self_link);
 313                 if (!totals) {
 314                         log_err(_("Failed to retrieve download totals for %s"),
 315                                 h->self_link);
 316                         continue;
 317                 }
 318                 count = ddts_get_count(totals);
 319                 pkg_name = h->binary_package_name;
 320                 pkg_version = h->binary_package_version;
 321                 arch_series
 322                         = get_distro_arch_series(h->distro_arch_series_link);
 323                 distro_series
 324                         = get_distro_series(arch_series->distroseries_link);
 325
 326                 ppa->download_count += count;
 327                 tmp = add_totals(ppa->daily_download_totals, totals);
 328                 if (ppa->daily_download_totals != tmp)
 329                         free(ppa->daily_download_totals);
 330                 ppa->daily_download_totals = tmp;
 331
 332                 pkg = get_package_stats(ppa, pkg_name);
 333                 pkg->download_count += count;
 334                 tmp = add_totals(pkg->daily_download_totals, totals);
 335                 if (pkg->daily_download_totals != tmp)
 336                         free(pkg->daily_download_totals);
 337                 pkg->daily_download_totals = tmp;
 338
 339                 version = get_version_stats(pkg, pkg_version);
 340                 version->download_count += count;
 341                 tmp = add_totals(version->daily_download_totals, totals);
 342                 if (version->daily_download_totals != tmp)
 343                         free(version->daily_download_totals);
 344                 version->daily_download_totals = tmp;
 345
 346                 distro = get_distro_stats(version, distro_series->name);
 347                 distro->download_count += count;
 348
 349                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 350                 arch->download_count += count;
 351
 352                 pkg_add_distro(pkg, distro_series->name, count, totals);
 353
 354                 daily_download_total_list_free(totals);
 355         }
 356
 357         bpph_list_free(history);
 358
 359         return ppa;
 360 }
 361
 362 static void distro_stats_list_free(struct distro_stats **distros)
 363 {
 364         struct distro_stats **cur;
 365
 366         if (distros) {
 367                 cur = distros;
 368                 while (*cur) {
 369                         distro_stats_free(*cur);
 370                         cur++;
 371                 }
 372                 free(distros);
 373         }
 374 }
 375
 376 static void version_stats_free(struct version_stats *version)
 377 {
 378         distro_stats_list_free(version->distros);
 379         daily_download_total_list_free(version->daily_download_totals);
 380
 381         free(version->version);
 382         free(version);
 383 }
 384
 385 static void package_stats_free(struct package_stats *package)
 386 {
 387         struct version_stats **versions;
 388
 389         versions = package->versions;
 390         if (versions) {
 391                 while (*versions) {
 392                         version_stats_free(*versions);
 393                         versions++;
 394                 }
 395                 free(package->versions);
 396         }
 397         distro_stats_list_free(package->distros);
 398         daily_download_total_list_free(package->daily_download_totals);
 399         free(package->name);
 400         free(package);
 401 }
 402
 403 void ppa_stats_free(struct ppa_stats *ppastats)
 404 {
 405         struct package_stats **packages;
 406
 407         packages = ppastats->packages;
 408         if (packages) {
 409                 while (*packages) {
 410                         package_stats_free(*packages);
 411                         packages++;
 412                 }
 413                 free(ppastats->packages);
 414         }
 415
 416         free(ppastats->owner);
 417         free(ppastats->name);
 418
 419         daily_download_total_list_free(ppastats->daily_download_totals);
 420
 421         free(ppastats);
 422 }