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, *item;
 165
 166         if (totals) {
 167                 cur = totals;
 168                 while (*cur) {
 169                         item = *cur;
 170
 171                         if (item->date.tm_year == total->date.tm_year &&
 172                             item->date.tm_mon == total->date.tm_mon &&
 173                             item->date.tm_mday == total->date.tm_mday) {
 174                                 item->count += total->count;
 175                                 return totals;
 176                         }
 177
 178                         cur++;
 179                 }
 180         }
 181
 182         result = (struct daily_download_total **)list_add((void **)totals,
 183                                                           ddt_clone(total));
 184
 185         return result;
 186 }
 187
 188 static struct daily_download_total **add_totals
 189 (struct daily_download_total **total1, struct daily_download_total **total2)
 190 {
 191         struct daily_download_total **cur, **result, **tmp;
 192
 193         result = total1;
 194         cur = total2;
 195         while (*cur) {
 196                 tmp = add_total(result, *cur);
 197                 if (result != total1 && result != tmp)
 198                         free(result);
 199                 result = tmp;
 200                 cur++;
 201         }
 202
 203         return result;
 204 }
 205
 206 static void
 207 pkg_add_distro(struct package_stats *pkg,
 208                const char *distro_name,
 209                int distro_count,
 210                struct daily_download_total **ddts)
 211 {
 212         struct distro_stats **pkg_distros, *pkg_distro, **tmp;
 213         struct daily_download_total **tmp_ddts;
 214
 215         pkg_distros = pkg->distros;
 216         pkg_distro = NULL;
 217
 218         if (pkg_distros)
 219                 while (*pkg_distros)  {
 220                         if (!strcmp((*pkg_distros)->name, distro_name)) {
 221                                 pkg_distro = *pkg_distros;
 222                                 break;
 223                         }
 224
 225                         pkg_distros++;
 226                 }
 227
 228         if (!pkg_distro) {
 229                 pkg_distro = distro_stats_new(distro_name);
 230                 tmp = (struct distro_stats **)list_add((void **)pkg->distros,
 231                                                        (void *)pkg_distro);
 232                 free(pkg->distros);
 233                 pkg->distros = tmp;
 234         }
 235
 236         pkg_distro->download_count += distro_count;
 237
 238         tmp_ddts = add_totals(pkg_distro->ddts, ddts);
 239         if (pkg_distro->ddts && pkg_distro->ddts != tmp_ddts)
 240                 free(pkg_distro->ddts);
 241         pkg_distro->ddts = tmp_ddts;
 242 }
 243
 244 struct ppa_stats *
 245 create_ppa_stats(const char *owner,
 246                  const char *ppa_name,
 247                  const char *package_status,
 248                  int ws_size)
 249 {
 250         struct ppa_stats *ppa;
 251         struct bpph **history, **h_cur, *h;
 252         char *ppa_url, *pkg_name, *pkg_version;
 253         struct package_stats *pkg;
 254         struct version_stats *version;
 255         const struct distro_series *distro_series;
 256         const struct distro_arch_series *arch_series;
 257         struct distro_stats *distro;
 258         struct arch_stats *arch;
 259         int count;
 260         struct daily_download_total **totals, **tmp;
 261
 262         ppa_url = get_archive_url(owner, ppa_name);
 263         history = get_bpph_list(ppa_url, package_status, ws_size);
 264         free(ppa_url);
 265
 266         if (!history) {
 267                 log_err(_("Failed to retrieve PPA information"));
 268                 exit(EXIT_FAILURE);
 269         }
 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         for (h_cur = history; *h_cur; ++h_cur) {
 279                 h = *h_cur;
 280                 totals = get_daily_download_totals(h->self_link);
 281                 if (!totals) {
 282                         log_err(_("Failed to retrieve download totals for %s"),
 283                                 h->self_link);
 284                         continue;
 285                 }
 286                 count = ddts_get_count(totals);
 287                 pkg_name = h->binary_package_name;
 288                 pkg_version = h->binary_package_version;
 289                 arch_series
 290                         = get_distro_arch_series(h->distro_arch_series_link);
 291                 distro_series
 292                         = get_distro_series(arch_series->distroseries_link);
 293
 294                 ppa->download_count += count;
 295                 tmp = add_totals(ppa->daily_download_totals, totals);
 296                 if (ppa->daily_download_totals != tmp)
 297                         free(ppa->daily_download_totals);
 298                 ppa->daily_download_totals = tmp;
 299
 300                 pkg = get_package_stats(ppa, pkg_name);
 301                 pkg->download_count += count;
 302                 tmp = add_totals(pkg->daily_download_totals, totals);
 303                 if (pkg->daily_download_totals != tmp)
 304                         free(pkg->daily_download_totals);
 305                 pkg->daily_download_totals = tmp;
 306
 307                 version = get_version_stats(pkg, pkg_version);
 308                 version->download_count += count;
 309                 tmp = add_totals(version->daily_download_totals, totals);
 310                 if (version->daily_download_totals != tmp)
 311                         free(version->daily_download_totals);
 312                 version->daily_download_totals = tmp;
 313
 314                 distro = get_distro_stats(version, distro_series->name);
 315                 distro->download_count += count;
 316
 317                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 318                 arch->download_count += count;
 319
 320                 pkg_add_distro(pkg, distro_series->name, count, totals);
 321
 322                 daily_download_total_list_free(totals);
 323         }
 324
 325         bpph_list_free(history);
 326
 327         return ppa;
 328 }
 329
 330 static void arch_stats_free(struct arch_stats *arch)
 331 {
 332         free(arch->name);
 333         free(arch);
 334 }
 335
 336 static void distro_stats_free(struct distro_stats *distro)
 337 {
 338         struct arch_stats **archs;
 339
 340         archs = distro->archs;
 341         if (archs) {
 342                 while (*archs) {
 343                         arch_stats_free(*archs);
 344                         archs++;
 345                 }
 346                 free(distro->archs);
 347         }
 348
 349         free(distro->name);
 350         free(distro);
 351 }
 352
 353 static void distro_stats_list_free(struct distro_stats **distros)
 354 {
 355         if (distros) {
 356                 while (*distros) {
 357                         distro_stats_free(*distros);
 358                         distros++;
 359                 }
 360         }
 361 }
 362
 363 static void version_stats_free(struct version_stats *version)
 364 {
 365         struct distro_stats **distros;
 366
 367         distros = version->distros;
 368         if (distros) {
 369                 while (*distros) {
 370                         distro_stats_free(*distros);
 371                         distros++;
 372                 }
 373                 free(version->distros);
 374         }
 375
 376         free(version->version);
 377         free(version);
 378 }
 379
 380 static void package_stats_free(struct package_stats *package)
 381 {
 382         struct version_stats **versions;
 383
 384         versions = package->versions;
 385         if (versions) {
 386                 while (*versions) {
 387                         version_stats_free(*versions);
 388                         versions++;
 389                 }
 390                 free(package->versions);
 391         }
 392         distro_stats_list_free(package->distros);
 393         free(package->name);
 394         free(package);
 395 }
 396
 397 void ppa_stats_free(struct ppa_stats *ppastats)
 398 {
 399         struct package_stats **packages;
 400
 401         packages = ppastats->packages;
 402         if (packages) {
 403                 while (*packages) {
 404                         package_stats_free(*packages);
 405                         packages++;
 406                 }
 407                 free(ppastats->packages);
 408         }
 409
 410         free(ppastats->owner);
 411         free(ppastats->name);
 412
 413         daily_download_total_list_free(ppastats->daily_download_totals);
 414
 415         free(ppastats);
 416 }