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 **)list_add((void **)totals,
 187                                                           (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, **result;
 198
 199         result = total1;
 200         cur = total2;
 201         while (*cur) {
 202                 result = add_total(result, *cur);
 203                 cur++;
 204         }
 205
 206         return result;
 207 }
 208
 209 static void
 210 pkg_add_distro(struct package_stats *pkg,
 211                const char *distro_name,
 212                int distro_count,
 213                struct daily_download_total **ddts)
 214 {
 215         struct distro_stats **pkg_distros, *pkg_distro, **tmp;
 216
 217         pkg_distros = pkg->distros;
 218         pkg_distro = NULL;
 219
 220         if (pkg_distros)
 221                 while (*pkg_distros)  {
 222                         if (!strcmp((*pkg_distros)->name, distro_name)) {
 223                                 pkg_distro = *pkg_distros;
 224                                 break;
 225                         }
 226
 227                         pkg_distros++;
 228                 }
 229
 230         if (!pkg_distro) {
 231                 pkg_distro = distro_stats_new(distro_name);
 232                 tmp = (struct distro_stats **)list_add((void **)pkg->distros,
 233                                                        (void *)pkg_distro);
 234                 free(pkg->distros);
 235                 pkg->distros = tmp;
 236         }
 237
 238         pkg_distro->download_count += distro_count;
 239         pkg_distro->ddts = add_totals(pkg_distro->ddts, ddts);
 240 }
 241
 242 struct ppa_stats *
 243 create_ppa_stats(const char *owner,
 244                  const char *ppa_name,
 245                  const char *package_status,
 246                  int ws_size)
 247 {
 248         struct ppa_stats *ppa;
 249         struct bpph **history, **h_cur, *h;
 250         char *ppa_url, *pkg_name, *pkg_version;
 251         struct package_stats *pkg;
 252         struct version_stats *version;
 253         const struct distro_series *distro_series;
 254         const struct distro_arch_series *arch_series;
 255         struct distro_stats *distro;
 256         struct arch_stats *arch;
 257         int count;
 258         struct daily_download_total **totals;
 259
 260         ppa_url = get_archive_url(owner, ppa_name);
 261         history = get_bpph_list(ppa_url, package_status, ws_size);
 262         free(ppa_url);
 263
 264         if (!history) {
 265                 log_err(_("Failed to retrieve PPA information"));
 266                 exit(EXIT_FAILURE);
 267         }
 268
 269         ppa = malloc(sizeof(struct ppa_stats));
 270         ppa->name = strdup(ppa_name);
 271         ppa->owner = strdup(owner);
 272         ppa->packages = NULL;
 273         ppa->daily_download_totals = NULL;
 274         ppa->download_count = 0;
 275
 276         for (h_cur = history; *h_cur; ++h_cur) {
 277                 h = *h_cur;
 278                 totals = get_daily_download_totals(h->self_link);
 279                 if (!totals) {
 280                         log_err(_("Failed to retrieve download totals for %s"),
 281                                 h->self_link);
 282                         continue;
 283                 }
 284                 count = ddts_get_count(totals);
 285                 pkg_name = h->binary_package_name;
 286                 pkg_version = h->binary_package_version;
 287                 arch_series
 288                         = get_distro_arch_series(h->distro_arch_series_link);
 289                 distro_series
 290                         = get_distro_series(arch_series->distroseries_link);
 291
 292                 ppa->download_count += count;
 293                 ppa->daily_download_totals
 294                         = add_totals(ppa->daily_download_totals, totals);
 295
 296                 pkg = get_package_stats(ppa, pkg_name);
 297                 pkg->download_count += count;
 298                 pkg->daily_download_totals
 299                         = add_totals(pkg->daily_download_totals, totals);
 300
 301                 version = get_version_stats(pkg, pkg_version);
 302                 version->download_count += count;
 303                 version->daily_download_totals
 304                         = add_totals(version->daily_download_totals, totals);
 305
 306                 distro = get_distro_stats(version, distro_series->name);
 307                 distro->download_count += count;
 308
 309                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 310                 arch->download_count += count;
 311
 312                 pkg_add_distro(pkg, distro_series->name, count, totals);
 313
 314                 daily_download_total_list_free(totals);
 315         }
 316
 317         bpph_list_free(history);
 318
 319         return ppa;
 320 }
 321
 322 static void arch_stats_free(struct arch_stats *arch)
 323 {
 324         free(arch->name);
 325         free(arch);
 326 }
 327
 328 static void distro_stats_free(struct distro_stats *distro)
 329 {
 330         struct arch_stats **archs;
 331
 332         archs = distro->archs;
 333         if (archs) {
 334                 while (*archs) {
 335                         arch_stats_free(*archs);
 336                         archs++;
 337                 }
 338                 free(distro->archs);
 339         }
 340
 341         free(distro->name);
 342         free(distro);
 343 }
 344
 345 static void distro_stats_list_free(struct distro_stats **distros)
 346 {
 347         if (distros) {
 348                 while (*distros) {
 349                         distro_stats_free(*distros);
 350                         distros++;
 351                 }
 352         }
 353 }
 354
 355 static void version_stats_free(struct version_stats *version)
 356 {
 357         struct distro_stats **distros;
 358
 359         distros = version->distros;
 360         if (distros) {
 361                 while (*distros) {
 362                         distro_stats_free(*distros);
 363                         distros++;
 364                 }
 365                 free(version->distros);
 366         }
 367
 368         free(version->version);
 369         free(version);
 370 }
 371
 372 static void package_stats_free(struct package_stats *package)
 373 {
 374         struct version_stats **versions;
 375
 376         versions = package->versions;
 377         if (versions) {
 378                 while (*versions) {
 379                         version_stats_free(*versions);
 380                         versions++;
 381                 }
 382                 free(package->versions);
 383         }
 384         distro_stats_list_free(package->distros);
 385         free(package->name);
 386         free(package);
 387 }
 388
 389 void ppa_stats_free(struct ppa_stats *ppastats)
 390 {
 391         struct package_stats **packages;
 392
 393         packages = ppastats->packages;
 394         if (packages) {
 395                 while (*packages) {
 396                         package_stats_free(*packages);
 397                         packages++;
 398                 }
 399                 free(ppastats->packages);
 400         }
 401
 402         free(ppastats->owner);
 403         free(ppastats->name);
 404
 405         daily_download_total_list_free(ppastats->daily_download_totals);
 406
 407         free(ppastats);
 408 }