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 struct distro_stats *distro_stats_new(const char *name)
  93 {
  94         struct distro_stats *d;
  95
  96         d = malloc(sizeof(struct distro_stats));
  97         d->name = strdup(name);
  98         d->archs = NULL;
  99         d->download_count = 0;
 100         d->ddts = NULL;
 101
 102         return d;
 103 }
 104
 105 static struct distro_stats *get_distro_stats(struct version_stats *version,
 106                                              const char *name)
 107 {
 108         struct distro_stats **cur = version->distros;
 109         struct distro_stats *d;
 110         struct distro_stats **tmp;
 111
 112         while (cur && *cur) {
 113                 d = *cur;
 114
 115                 if (!strcmp(d->name, name))
 116                         return d;
 117
 118                 cur++;
 119         }
 120
 121         d = distro_stats_new(name);
 122
 123
 124         tmp = (struct distro_stats **)list_add((void **)version->distros,
 125                                                    d);
 126         free(version->distros);
 127         version->distros = tmp;
 128
 129         return d;
 130 }
 131
 132 static struct arch_stats *get_arch_stats(struct distro_stats *distro,
 133                                          const char *name)
 134 {
 135         struct arch_stats **cur = distro->archs;
 136         struct arch_stats *a;
 137         struct arch_stats **tmp;
 138
 139         while (cur && *cur) {
 140                 a = *cur;
 141
 142                 if (!strcmp(a->name, name))
 143                         return a;
 144
 145                 cur++;
 146         }
 147
 148         a = malloc(sizeof(struct arch_stats));
 149         a->name = strdup(name);
 150         a->download_count = 0;
 151
 152         tmp = (struct arch_stats **)list_add((void **)distro->archs,
 153                                              a);
 154         free((void **)distro->archs);
 155         distro->archs = tmp;
 156
 157         return a;
 158 }
 159
 160
 161 static struct daily_download_total **add_total
 162 (struct daily_download_total **totals, struct daily_download_total *total)
 163 {
 164         struct daily_download_total **cur, **result;
 165         struct daily_download_total *item;
 166
 167         if (totals) {
 168                 cur = totals;
 169                 while (*cur) {
 170                         item = *cur;
 171
 172                         if (item->date.tm_year == total->date.tm_year &&
 173                             item->date.tm_mon == total->date.tm_mon &&
 174                             item->date.tm_mday == total->date.tm_mday) {
 175                                 item->count += total->count;
 176                                 return totals;
 177                         }
 178
 179                         cur++;
 180                 }
 181         }
 182
 183         item = malloc(sizeof(struct daily_download_total));
 184         memcpy(item, total, sizeof(struct daily_download_total));
 185
 186         result = (struct daily_download_total **)
 187                 list_add((void **)totals, (void *)item);
 188
 189         free(totals);
 190
 191         return result;
 192 }
 193
 194 struct daily_download_total **add_totals
 195 (struct daily_download_total **total1, struct daily_download_total **total2)
 196 {
 197         struct daily_download_total **cur;
 198         struct daily_download_total **result;
 199
 200         result = total1;
 201         cur = total2;
 202         while (*cur) {
 203                 result = add_total(result, *cur);
 204
 205                 cur++;
 206         }
 207
 208         return result;
 209 }
 210
 211 static void
 212 pkg_add_distro(struct package_stats *pkg,
 213                const char *distro_name,
 214                int distro_count,
 215                struct daily_download_total **ddts)
 216 {
 217         struct distro_stats **pkg_distros, *pkg_distro, **tmp;
 218
 219         pkg_distros = pkg->distros;
 220         pkg_distro = NULL;
 221
 222         if (pkg_distros)
 223                 while (*pkg_distros)  {
 224                         if (!strcmp((*pkg_distros)->name, distro_name)) {
 225                                 pkg_distro = *pkg_distros;
 226                                 break;
 227                         }
 228
 229                         pkg_distros++;
 230                 }
 231
 232         if (!pkg_distro) {
 233                 pkg_distro = distro_stats_new(distro_name);
 234                 tmp
 235                         = (struct distro_stats **)
 236                         list_add((void **)pkg->distros, (void *)pkg_distro);
 237                 free(pkg->distros);
 238                 pkg->distros = tmp;
 239         }
 240
 241         pkg_distro->download_count += distro_count;
 242         pkg_distro->ddts = add_totals(pkg_distro->ddts, ddts);
 243 }
 244
 245 struct ppa_stats *
 246 create_ppa_stats(const char *owner,
 247                  const char *ppa_name,
 248                  const char *package_status,
 249                  int ws_size)
 250 {
 251         struct ppa_stats *ppa;
 252         struct bpph **history, **h_cur, *h;
 253         char *ppa_url, *pkg_name, *pkg_version;
 254         struct package_stats *pkg;
 255         struct version_stats *version;
 256         const struct distro_series *distro_series;
 257         const struct distro_arch_series *arch_series;
 258         struct distro_stats *distro;
 259         struct arch_stats *arch;
 260         int count;
 261         struct daily_download_total **totals;
 262
 263         ppa_url = get_archive_url(owner, ppa_name);
 264         history = get_bpph_list(ppa_url, package_status, ws_size);
 265         free(ppa_url);
 266
 267         if (!history) {
 268                 log_err(_("Failed to retrieve PPA information"));
 269                 exit(EXIT_FAILURE);
 270         }
 271
 272         ppa = malloc(sizeof(struct ppa_stats));
 273         ppa->name = strdup(ppa_name);
 274         ppa->owner = strdup(owner);
 275         ppa->packages = NULL;
 276         ppa->daily_download_totals = NULL;
 277         ppa->download_count = 0;
 278
 279         for (h_cur = history; *h_cur; ++h_cur) {
 280                 h = *h_cur;
 281                 totals = get_daily_download_totals(h->self_link);
 282                 if (!totals) {
 283                         log_err(_("Failed to retrieve download totals for %s"),
 284                                 h->self_link);
 285                         continue;
 286                 }
 287                 count = ddts_get_count(totals);
 288                 pkg_name = h->binary_package_name;
 289                 pkg_version = h->binary_package_version;
 290                 arch_series
 291                         = get_distro_arch_series(h->distro_arch_series_link);
 292                 distro_series
 293                         = get_distro_series(arch_series->distroseries_link);
 294
 295                 ppa->download_count += count;
 296                 ppa->daily_download_totals
 297                         = add_totals(ppa->daily_download_totals, totals);
 298
 299                 pkg = get_package_stats(ppa, pkg_name);
 300                 pkg->download_count += count;
 301                 pkg->daily_download_totals
 302                         = add_totals(pkg->daily_download_totals, totals);
 303
 304                 version = get_version_stats(pkg, pkg_version);
 305                 version->download_count += count;
 306                 version->daily_download_totals
 307                         = add_totals(version->daily_download_totals, totals);
 308
 309                 distro = get_distro_stats(version, distro_series->name);
 310                 distro->download_count += count;
 311
 312                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 313                 arch->download_count += count;
 314
 315                 pkg_add_distro(pkg, distro_series->name, count, totals);
 316
 317                 daily_download_total_list_free(totals);
 318         }
 319
 320         bpph_list_free(history);
 321
 322         return ppa;
 323 }
 324
 325 static void arch_stats_free(struct arch_stats *arch)
 326 {
 327         free(arch->name);
 328         free(arch);
 329 }
 330
 331 static void distro_stats_free(struct distro_stats *distro)
 332 {
 333         struct arch_stats **archs;
 334
 335         archs = distro->archs;
 336         if (archs) {
 337                 while (*archs) {
 338                         arch_stats_free(*archs);
 339                         archs++;
 340                 }
 341                 free(distro->archs);
 342         }
 343
 344         free(distro->name);
 345         free(distro);
 346 }
 347
 348 static void distro_stats_list_free(struct distro_stats **distros)
 349 {
 350         if (distros) {
 351                 while (*distros) {
 352                         distro_stats_free(*distros);
 353                         distros++;
 354                 }
 355         }
 356 }
 357
 358 static void version_stats_free(struct version_stats *version)
 359 {
 360         struct distro_stats **distros;
 361
 362         distros = version->distros;
 363         if (distros) {
 364                 while (*distros) {
 365                         distro_stats_free(*distros);
 366                         distros++;
 367                 }
 368                 free(version->distros);
 369         }
 370
 371         free(version->version);
 372         free(version);
 373 }
 374
 375 static void package_stats_free(struct package_stats *package)
 376 {
 377         struct version_stats **versions;
 378
 379         versions = package->versions;
 380         if (versions) {
 381                 while (*versions) {
 382                         version_stats_free(*versions);
 383                         versions++;
 384                 }
 385                 free(package->versions);
 386         }
 387         distro_stats_list_free(package->distros);
 388         free(package->name);
 389         free(package);
 390 }
 391
 392 void ppa_stats_free(struct ppa_stats *ppastats)
 393 {
 394         struct package_stats **packages;
 395
 396         packages = ppastats->packages;
 397         if (packages) {
 398                 while (*packages) {
 399                         package_stats_free(*packages);
 400                         packages++;
 401                 }
 402                 free(ppastats->packages);
 403         }
 404
 405         free(ppastats->owner);
 406         free(ppastats->name);
 407
 408         daily_download_total_list_free(ppastats->daily_download_totals);
 409
 410         free(ppastats);
 411 }