src/ppastats.c

   1 /*
   2  * Copyright (C) 2011-2012 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 "log.h"
  29 #include "lp_ws.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;
  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         stats->packages = (struct package_stats **)list_add
  56                 ((void **)stats->packages, p);
  57
  58         return p;
  59 }
  60
  61 static struct version_stats *get_version_stats(struct package_stats *package,
  62                                                const char *version)
  63 {
  64         struct version_stats *v, **cur;
  65
  66         cur = package->versions;
  67         while (cur && *cur) {
  68                 struct version_stats *v = *cur;
  69
  70                 if (!strcmp(v->version, version))
  71                         return v;
  72
  73                 cur++;
  74         }
  75
  76         v = malloc(sizeof(struct version_stats));
  77         v->version = strdup(version);
  78         v->distros = NULL;
  79         v->download_count = 0;
  80         v->daily_download_totals = NULL;
  81
  82         package->versions
  83                 = (struct version_stats **)list_add((void **)package->versions,
  84                                                     v);
  85
  86         return v;
  87 }
  88
  89 static struct distro_stats *distro_stats_new(const char *name)
  90 {
  91         struct distro_stats *d;
  92
  93         d = malloc(sizeof(struct distro_stats));
  94         d->name = strdup(name);
  95         d->archs = NULL;
  96         d->download_count = 0;
  97         d->ddts = NULL;
  98
  99         return d;
 100 }
 101
 102 static struct distro_stats *get_distro_stats(struct version_stats *version,
 103                                              const char *name)
 104 {
 105         struct distro_stats **cur = version->distros;
 106         struct distro_stats *d;
 107
 108         while (cur && *cur) {
 109                 d = *cur;
 110
 111                 if (!strcmp(d->name, name))
 112                         return d;
 113
 114                 cur++;
 115         }
 116
 117         d = distro_stats_new(name);
 118
 119         version->distros
 120                 = (struct distro_stats **)list_add((void **)version->distros,
 121                                                    d);
 122
 123         return d;
 124 }
 125
 126 static struct arch_stats *get_arch_stats(struct distro_stats *distro,
 127                                          const char *name)
 128 {
 129         struct arch_stats **cur = distro->archs;
 130         struct arch_stats *a;
 131
 132         while (cur && *cur) {
 133                 a = *cur;
 134
 135                 if (!strcmp(a->name, name))
 136                         return a;
 137
 138                 cur++;
 139         }
 140
 141         a = malloc(sizeof(struct arch_stats));
 142         a->name = strdup(name);
 143         a->download_count = 0;
 144
 145         distro->archs
 146                 = (struct arch_stats **)list_add((void **)distro->archs,
 147                                                  a);
 148
 149         return a;
 150 }
 151
 152
 153 static struct daily_download_total **add_total
 154 (struct daily_download_total **totals, struct daily_download_total *total)
 155 {
 156         struct daily_download_total **cur;
 157         struct daily_download_total *item;
 158
 159         if (totals) {
 160                 cur = totals;
 161                 while (*cur) {
 162                         item = *cur;
 163
 164                         if (item->date.tm_year == total->date.tm_year &&
 165                             item->date.tm_mon == total->date.tm_mon &&
 166                             item->date.tm_mday == total->date.tm_mday) {
 167                                 item->count += total->count;
 168                                 return totals;
 169                         }
 170
 171                         cur++;
 172                 }
 173         }
 174
 175         item = malloc(sizeof(struct daily_download_total));
 176         memcpy(item, total, sizeof(struct daily_download_total));
 177
 178         return (struct daily_download_total **)
 179                 list_add((void **)totals, (void *)item);
 180 }
 181
 182 struct daily_download_total **add_totals
 183 (struct daily_download_total **total1, struct daily_download_total **total2)
 184 {
 185         struct daily_download_total **cur;
 186         struct daily_download_total **result;
 187
 188         result = total1;
 189         cur = total2;
 190         while (*cur) {
 191                 result = add_total(result, *cur);
 192
 193                 cur++;
 194         }
 195
 196         return result;
 197 }
 198
 199 static void
 200 pkg_add_distro(struct package_stats *pkg,
 201                const char *distro_name,
 202                int distro_count,
 203                struct daily_download_total **ddts)
 204 {
 205         struct distro_stats **pkg_distros, *pkg_distro;
 206
 207         pkg_distros = pkg->distros;
 208         pkg_distro = NULL;
 209
 210         if (pkg_distros)
 211                 while (*pkg_distros)  {
 212                         if (!strcmp((*pkg_distros)->name, distro_name)) {
 213                                 pkg_distro = *pkg_distros;
 214                                 break;
 215                         }
 216
 217                         pkg_distros++;
 218                 }
 219
 220         if (!pkg_distro) {
 221                 pkg_distro = distro_stats_new(distro_name);
 222                 pkg->distros
 223                         = (struct distro_stats **)
 224                         list_add((void **)pkg->distros, (void *)pkg_distro);
 225         }
 226
 227         pkg_distro->download_count += distro_count;
 228         pkg_distro->ddts = add_totals(pkg_distro->ddts, ddts);
 229 }
 230
 231 struct ppa_stats *
 232 create_ppa_stats(const char *owner,
 233                  const char *ppa_name,
 234                  const char *package_status)
 235 {
 236         struct ppa_stats *ppa;
 237         struct bpph **history, **h_cur, *h;
 238         char *ppa_url, *pkg_name, *pkg_version;
 239         struct package_stats *pkg;
 240         struct version_stats *version;
 241         const struct distro_series *distro_series;
 242         const struct distro_arch_series *arch_series;
 243         struct distro_stats *distro;
 244         struct arch_stats *arch;
 245         int count;
 246         struct daily_download_total **totals;
 247
 248         ppa_url = get_archive_url(owner, ppa_name);
 249         history = get_bpph_list(ppa_url, package_status);
 250         free(ppa_url);
 251
 252         if (!history) {
 253                 log_err(_("Failed to retrieve PPA information"));
 254                 exit(EXIT_FAILURE);
 255         }
 256
 257         ppa = malloc(sizeof(struct ppa_stats));
 258         ppa->name = strdup(ppa_name);
 259         ppa->owner = strdup(owner);
 260         ppa->packages = NULL;
 261         ppa->daily_download_totals = NULL;
 262         ppa->download_count = 0;
 263
 264         for (h_cur = history; *h_cur; ++h_cur) {
 265                 h = *h_cur;
 266                 totals = get_daily_download_totals(h->self_link);
 267                 if (!totals) {
 268                         log_err(_("Failed to retrieve download totals for %s"),
 269                                 h->self_link);
 270                         continue;
 271                 }
 272                 count = get_download_count(h->self_link);
 273                 if (count == -1) {
 274                         log_err(_("Failed to retrieve download count for %s"),
 275                                 h->self_link);
 276                         count = 0;
 277                 }
 278                 pkg_name = h->binary_package_name;
 279                 pkg_version = h->binary_package_version;
 280                 arch_series
 281                         = get_distro_arch_series(h->distro_arch_series_link);
 282                 distro_series
 283                         = get_distro_series(arch_series->distroseries_link);
 284
 285                 ppa->download_count += count;
 286                 ppa->daily_download_totals
 287                         = add_totals(ppa->daily_download_totals, totals);
 288
 289                 pkg = get_package_stats(ppa, pkg_name);
 290                 pkg->download_count += count;
 291                 pkg->daily_download_totals
 292                         = add_totals(pkg->daily_download_totals, totals);
 293
 294                 version = get_version_stats(pkg, pkg_version);
 295                 version->download_count += count;
 296                 version->daily_download_totals
 297                         = add_totals(version->daily_download_totals, totals);
 298
 299                 distro = get_distro_stats(version, distro_series->name);
 300                 distro->download_count += count;
 301
 302                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 303                 arch->download_count += count;
 304
 305                 pkg_add_distro(pkg, distro_series->name, count, totals);
 306
 307                 daily_download_total_list_free(totals);
 308         }
 309
 310         bpph_list_free(history);
 311
 312         return ppa;
 313 }
 314
 315 static void arch_stats_free(struct arch_stats *arch)
 316 {
 317         free(arch->name);
 318         free(arch);
 319 }
 320
 321 static void distro_stats_free(struct distro_stats *distro)
 322 {
 323         struct arch_stats **archs;
 324
 325         archs = distro->archs;
 326         if (archs) {
 327                 while (*archs) {
 328                         arch_stats_free(*archs);
 329                         archs++;
 330                 }
 331                 free(distro->archs);
 332         }
 333
 334         free(distro->name);
 335         free(distro);
 336 }
 337
 338 static void version_stats_free(struct version_stats *version)
 339 {
 340         struct distro_stats **distros;
 341
 342         distros = version->distros;
 343         if (distros) {
 344                 while (*distros) {
 345                         distro_stats_free(*distros);
 346                         distros++;
 347                 }
 348                 free(version->distros);
 349         }
 350
 351         free(version->version);
 352         free(version);
 353 }
 354
 355 static void package_stats_free(struct package_stats *package)
 356 {
 357         struct version_stats **versions;
 358
 359         versions = package->versions;
 360         if (versions) {
 361                 while (*versions) {
 362                         version_stats_free(*versions);
 363                         versions++;
 364                 }
 365                 free(package->versions);
 366         }
 367
 368         free(package->name);
 369         free(package);
 370 }
 371
 372 void ppa_stats_free(struct ppa_stats *ppastats)
 373 {
 374         struct package_stats **packages;
 375
 376         packages = ppastats->packages;
 377         if (packages) {
 378                 while (*packages) {
 379                         package_stats_free(*packages);
 380                         packages++;
 381                 }
 382                 free(ppastats->packages);
 383         }
 384
 385         free(ppastats->owner);
 386         free(ppastats->name);
 387
 388         daily_download_total_list_free(ppastats->daily_download_totals);
 389
 390         free(ppastats);
 391 }