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 void arch_stats_free(struct arch_stats *arch)
  33 {
  34         free(arch->name);
  35         free(arch);
  36 }
  37
  38 static struct distro_stats *distro_stats_new(const char *name)
  39 {
  40         struct distro_stats *d;
  41
  42         d = malloc(sizeof(struct distro_stats));
  43         d->name = strdup(name);
  44         d->archs = NULL;
  45         d->download_count = 0;
  46         d->ddts = NULL;
  47
  48         return d;
  49 }
  50
  51 static void distro_stats_free(struct distro_stats *distro)
  52 {
  53         struct arch_stats **archs;
  54
  55         archs = distro->archs;
  56         if (archs) {
  57                 while (*archs) {
  58                         arch_stats_free(*archs);
  59                         archs++;
  60                 }
  61                 free(distro->archs);
  62         }
  63
  64         daily_download_total_list_free(distro->ddts);
  65
  66         free(distro->name);
  67         free(distro);
  68 }
  69
  70 static void distro_stats_list_free(struct distro_stats **distros)
  71 {
  72         struct distro_stats **cur;
  73
  74         if (distros) {
  75                 cur = distros;
  76                 while (*cur) {
  77                         distro_stats_free(*cur);
  78                         cur++;
  79                 }
  80                 free(distros);
  81         }
  82 }
  83
  84 static void version_stats_free(struct version_stats *version)
  85 {
  86         distro_stats_list_free(version->distros);
  87         daily_download_total_list_free(version->daily_download_totals);
  88
  89         free(version->version);
  90         free(version);
  91 }
  92
  93 static void package_stats_free(struct package_stats *package)
  94 {
  95         struct version_stats **versions;
  96
  97         versions = package->versions;
  98         if (versions) {
  99                 while (*versions) {
 100                         version_stats_free(*versions);
 101                         versions++;
 102                 }
 103                 free(package->versions);
 104         }
 105         distro_stats_list_free(package->distros);
 106         daily_download_total_list_free(package->daily_download_totals);
 107         free(package->name);
 108         free(package);
 109 }
 110
 111 static struct package_stats *package_stats_new(const char *name)
 112 {
 113         struct package_stats *p;
 114
 115         p = malloc(sizeof(struct package_stats));
 116         p->name = strdup(name);
 117         p->versions = NULL;
 118         p->download_count = 0;
 119         p->daily_download_totals = NULL;
 120         p->distros = NULL;
 121
 122         return p;
 123 }
 124
 125 static struct package_stats *get_package_stats(struct ppa_stats *stats,
 126                                                const char *name)
 127
 128 {
 129         struct package_stats *p, **p_cur, **tmp;
 130
 131         p_cur = stats->packages;
 132         while (p_cur && *p_cur) {
 133                 struct package_stats *p = *p_cur;
 134
 135                 if (!strcmp(p->name, name))
 136                         return p;
 137
 138                 p_cur++;
 139         }
 140
 141         p = package_stats_new(name);
 142
 143         tmp = (struct package_stats **)list_add((void **)stats->packages, p);
 144         free(stats->packages);
 145         stats->packages = tmp;
 146
 147         return p;
 148 }
 149
 150 static struct version_stats *get_version_stats(struct package_stats *package,
 151                                                const char *version)
 152 {
 153         struct version_stats *v, **cur, **tmp;
 154
 155         cur = package->versions;
 156         while (cur && *cur) {
 157                 struct version_stats *v = *cur;
 158
 159                 if (!strcmp(v->version, version))
 160                         return v;
 161
 162                 cur++;
 163         }
 164
 165         v = malloc(sizeof(struct version_stats));
 166         v->version = strdup(version);
 167         v->distros = NULL;
 168         v->download_count = 0;
 169         v->daily_download_totals = NULL;
 170
 171         tmp = (struct version_stats **)list_add((void **)package->versions,
 172                                                 v);
 173         free((void **)package->versions);
 174         package->versions = tmp;
 175
 176         return v;
 177 }
 178
 179 static struct distro_stats *get_distro_stats(struct version_stats *version,
 180                                              const char *name)
 181 {
 182         struct distro_stats **cur, *d, **tmp;
 183
 184         cur = version->distros;
 185
 186         while (cur && *cur) {
 187                 d = *cur;
 188
 189                 if (!strcmp(d->name, name))
 190                         return d;
 191
 192                 cur++;
 193         }
 194
 195         d = distro_stats_new(name);
 196
 197         tmp = (struct distro_stats **)list_add((void **)version->distros,
 198                                                d);
 199         free(version->distros);
 200         version->distros = tmp;
 201
 202         return d;
 203 }
 204
 205 static struct arch_stats *get_arch_stats(struct distro_stats *distro,
 206                                          const char *name)
 207 {
 208         struct arch_stats **cur, *a, **tmp;
 209
 210         cur = distro->archs;
 211         while (cur && *cur) {
 212                 a = *cur;
 213
 214                 if (!strcmp(a->name, name))
 215                         return a;
 216
 217                 cur++;
 218         }
 219
 220         a = malloc(sizeof(struct arch_stats));
 221         a->name = strdup(name);
 222         a->download_count = 0;
 223
 224         tmp = (struct arch_stats **)list_add((void **)distro->archs,
 225                                              a);
 226         free((void **)distro->archs);
 227         distro->archs = tmp;
 228
 229         return a;
 230 }
 231
 232
 233 static struct daily_download_total **add_total
 234 (struct daily_download_total **totals, struct daily_download_total *total)
 235 {
 236         struct daily_download_total **cur, **result, *item;
 237
 238         if (totals) {
 239                 cur = totals;
 240                 while (*cur) {
 241                         item = *cur;
 242
 243                         if (item->date.tm_year == total->date.tm_year &&
 244                             item->date.tm_mon == total->date.tm_mon &&
 245                             item->date.tm_mday == total->date.tm_mday) {
 246                                 item->count += total->count;
 247                                 return totals;
 248                         }
 249
 250                         cur++;
 251                 }
 252         }
 253
 254         result = (struct daily_download_total **)list_add((void **)totals,
 255                                                           ddt_clone(total));
 256         return result;
 257 }
 258
 259 static struct daily_download_total **add_totals
 260 (struct daily_download_total **total1, struct daily_download_total **total2)
 261 {
 262         struct daily_download_total **cur, **result, **tmp;
 263
 264         result = total1;
 265         cur = total2;
 266         while (*cur) {
 267                 tmp = add_total(result, *cur);
 268                 if (result != total1 && result != tmp)
 269                         free(result);
 270                 result = tmp;
 271                 cur++;
 272         }
 273
 274         return result;
 275 }
 276
 277 static void
 278 pkg_add_distro(struct package_stats *pkg,
 279                const char *distro_name,
 280                int distro_count,
 281                struct daily_download_total **ddts)
 282 {
 283         struct distro_stats **pkg_distros, *pkg_distro, **tmp;
 284         struct daily_download_total **tmp_ddts;
 285
 286         pkg_distros = pkg->distros;
 287         pkg_distro = NULL;
 288
 289         if (pkg_distros)
 290                 while (*pkg_distros)  {
 291                         if (!strcmp((*pkg_distros)->name, distro_name)) {
 292                                 pkg_distro = *pkg_distros;
 293                                 break;
 294                         }
 295
 296                         pkg_distros++;
 297                 }
 298
 299         if (!pkg_distro) {
 300                 pkg_distro = distro_stats_new(distro_name);
 301                 tmp = (struct distro_stats **)list_add((void **)pkg->distros,
 302                                                        (void *)pkg_distro);
 303                 if (pkg->distros != tmp)
 304                         free(pkg->distros);
 305                 pkg->distros = tmp;
 306         }
 307
 308         pkg_distro->download_count += distro_count;
 309
 310         tmp_ddts = add_totals(pkg_distro->ddts, ddts);
 311         if (pkg_distro->ddts && pkg_distro->ddts != tmp_ddts)
 312                 free(pkg_distro->ddts);
 313         pkg_distro->ddts = tmp_ddts;
 314 }
 315
 316 static struct ppa_stats *ppa_stats_new(const char *owner, const char *ppa_name)
 317 {
 318         struct ppa_stats *ppa;
 319
 320         ppa = malloc(sizeof(struct ppa_stats));
 321         ppa->name = strdup(ppa_name);
 322         ppa->owner = strdup(owner);
 323         ppa->packages = NULL;
 324         ppa->daily_download_totals = NULL;
 325         ppa->download_count = 0;
 326
 327         return ppa;
 328 }
 329
 330 struct ppa_stats *
 331 create_ppa_stats(const char *owner,
 332                  const char *ppa_name,
 333                  const char *package_status,
 334                  int ws_size)
 335 {
 336         struct ppa_stats *ppa;
 337         struct bpph **history, **h_cur, *h;
 338         char *ppa_url, *pkg_name, *pkg_version;
 339         struct package_stats *pkg;
 340         struct version_stats *version;
 341         const struct distro_series *distro_series;
 342         const struct distro_arch_series *arch_series;
 343         struct distro_stats *distro;
 344         struct arch_stats *arch;
 345         int count;
 346         struct daily_download_total **totals, **tmp;
 347
 348         ppa_url = get_archive_url(owner, ppa_name);
 349         history = get_bpph_list(ppa_url, package_status, ws_size);
 350         free(ppa_url);
 351
 352         if (!history) {
 353                 log_err(_("Failed to retrieve PPA information"));
 354                 exit(EXIT_FAILURE);
 355         }
 356
 357         ppa = ppa_stats_new(owner, ppa_name);
 358
 359         for (h_cur = history; *h_cur; ++h_cur) {
 360                 h = *h_cur;
 361                 totals = get_daily_download_totals(h->self_link);
 362                 if (!totals) {
 363                         log_err(_("Failed to retrieve download totals for %s"),
 364                                 h->self_link);
 365                         continue;
 366                 }
 367                 count = ddts_get_count(totals);
 368                 pkg_name = h->binary_package_name;
 369                 pkg_version = h->binary_package_version;
 370                 arch_series
 371                         = get_distro_arch_series(h->distro_arch_series_link);
 372                 distro_series
 373                         = get_distro_series(arch_series->distroseries_link);
 374
 375                 ppa->download_count += count;
 376                 tmp = add_totals(ppa->daily_download_totals, totals);
 377                 if (ppa->daily_download_totals != tmp)
 378                         free(ppa->daily_download_totals);
 379                 ppa->daily_download_totals = tmp;
 380
 381                 pkg = get_package_stats(ppa, pkg_name);
 382                 pkg->download_count += count;
 383                 tmp = add_totals(pkg->daily_download_totals, totals);
 384                 if (pkg->daily_download_totals != tmp)
 385                         free(pkg->daily_download_totals);
 386                 pkg->daily_download_totals = tmp;
 387
 388                 version = get_version_stats(pkg, pkg_version);
 389                 version->download_count += count;
 390                 tmp = add_totals(version->daily_download_totals, totals);
 391                 if (version->daily_download_totals != tmp)
 392                         free(version->daily_download_totals);
 393                 version->daily_download_totals = tmp;
 394
 395                 distro = get_distro_stats(version, distro_series->name);
 396                 distro->download_count += count;
 397
 398                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 399                 arch->download_count += count;
 400
 401                 pkg_add_distro(pkg, distro_series->name, count, totals);
 402
 403                 daily_download_total_list_free(totals);
 404         }
 405
 406         bpph_list_free(history);
 407
 408         return ppa;
 409 }
 410
 411 void ppa_stats_free(struct ppa_stats *ppastats)
 412 {
 413         struct package_stats **packages;
 414
 415         packages = ppastats->packages;
 416         if (packages) {
 417                 while (*packages) {
 418                         package_stats_free(*packages);
 419                         packages++;
 420                 }
 421                 free(ppastats->packages);
 422         }
 423
 424         free(ppastats->owner);
 425         free(ppastats->name);
 426
 427         daily_download_total_list_free(ppastats->daily_download_totals);
 428
 429         free(ppastats);
 430 }