src/ppastats.c

   1 /*
   2     Copyright (C) 2011 jeanfi@gmail.com
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU 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 <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include "list.h"
  25 #include "lp_ws.h"
  26 #include "ppastats.h"
  27
  28 static struct package_stats *get_package_stats(struct ppa_stats *stats,
  29                                                const char *name)
  30
  31 {
  32         struct package_stats *p, **p_cur;
  33
  34         p_cur = stats->packages;
  35         while (p_cur && *p_cur) {
  36                 struct package_stats *p = *p_cur;
  37
  38                 if (!strcmp(p->name, name))
  39                         return p;
  40
  41                 p_cur++;
  42         }
  43
  44         p = malloc(sizeof(struct package_stats));
  45         p->name = strdup(name);
  46         p->versions = NULL;
  47         p->download_count = 0;
  48         p->daily_download_totals = NULL;
  49
  50         stats->packages = (struct package_stats **)list_add
  51                 ((void **)stats->packages, p);
  52
  53         return p;
  54 }
  55
  56 static struct version_stats *get_version_stats(struct package_stats *package,
  57                                                const char *version)
  58 {
  59         struct version_stats *v, **cur;
  60
  61         cur = package->versions;
  62         while (cur && *cur) {
  63                 struct version_stats *v = *cur;
  64
  65                 if (!strcmp(v->version, version))
  66                         return v;
  67
  68                 cur++;
  69         }
  70
  71         v = malloc(sizeof(struct version_stats));
  72         v->version = strdup(version);
  73         v->distros = NULL;
  74         v->download_count = 0;
  75         v->daily_download_totals = NULL;
  76
  77         package->versions
  78                 = (struct version_stats **)list_add((void **)package->versions,
  79                                                     v);
  80
  81         return v;
  82 }
  83
  84 static struct distro_stats *get_distro_stats(struct version_stats *version,
  85                                              const char *name)
  86 {
  87         struct distro_stats **cur = version->distros;
  88         struct distro_stats *d;
  89
  90         while (cur && *cur) {
  91                 d = *cur;
  92
  93                 if (!strcmp(d->name, name))
  94                         return d;
  95
  96                 cur++;
  97         }
  98
  99         d = malloc(sizeof(struct distro_stats));
 100         d->name = strdup(name);
 101         d->archs = NULL;
 102         d->download_count = 0;
 103         d->daily_download_totals = NULL;
 104
 105         version->distros
 106                 = (struct distro_stats **)list_add((void **)version->distros,
 107                                                    d);
 108
 109         return d;
 110 }
 111
 112 static struct arch_stats *get_arch_stats(struct distro_stats *distro,
 113                                          const char *name)
 114 {
 115         struct arch_stats **cur = distro->archs;
 116         struct arch_stats *a;
 117
 118         while (cur && *cur) {
 119                 a = *cur;
 120
 121                 if (!strcmp(a->name, name))
 122                         return a;
 123
 124                 cur++;
 125         }
 126
 127         a = malloc(sizeof(struct arch_stats));
 128         a->name = strdup(name);
 129         a->daily_download_totals = NULL;
 130         a->download_count = 0;
 131
 132         distro->archs
 133                 = (struct arch_stats **)list_add((void **)distro->archs,
 134                                                  a);
 135
 136         return a;
 137 }
 138
 139
 140 static struct daily_download_total **
 141 add_total(struct daily_download_total **totals,
 142           struct daily_download_total *total)
 143 {
 144         struct daily_download_total **cur;
 145         struct daily_download_total *item;
 146
 147         cur = totals;
 148         while (*cur) {
 149                 item = *cur;
 150
 151                 if (item->date.tm_year == total->date.tm_year &&
 152                     item->date.tm_mon == total->date.tm_mon &&
 153                     item->date.tm_mday == total->date.tm_mday) {
 154                         item->count += total->count;
 155                         return totals;
 156                 }
 157
 158                 cur++;
 159         }
 160
 161         item = malloc(sizeof(struct daily_download_total));
 162         memcpy(item, total, sizeof(struct daily_download_total));
 163
 164         return (struct daily_download_total **)
 165                 list_add((void **)totals, (void *)item);
 166 }
 167
 168 struct daily_download_total **
 169 add_totals(struct daily_download_total **total1,
 170            struct daily_download_total **total2)
 171 {
 172         struct daily_download_total **cur;
 173         struct daily_download_total **result;
 174
 175         if (!total1)
 176                 return total2;
 177
 178         result = total1;
 179         cur = total2;
 180         while (*cur) {
 181                 result = add_total(result, *cur);
 182
 183                 cur++;
 184         }
 185
 186         return result;
 187 }
 188
 189 struct ppa_stats *
 190 create_ppa_stats(const char *owner,
 191                  const char *ppa,
 192                  const char *package_status)
 193 {
 194         struct ppa_stats *ppastats;
 195         struct binary_package_publishing_history **history;
 196         struct binary_package_publishing_history **h_cur;
 197         struct binary_package_publishing_history *h;
 198         char *ppa_url, *package_name, *package_version;
 199         struct package_stats *package;
 200         struct version_stats *version;
 201         const struct distro_series *distro_series;
 202         const struct distro_arch_series *arch_series;
 203         struct distro_stats *distro;
 204         struct arch_stats *arch;
 205         int count;
 206         struct daily_download_total **totals;
 207
 208         ppa_url = get_archive_url(owner, ppa);
 209         history = get_binary_package_publishing_history_list(ppa_url,
 210                                                              package_status);
 211         free(ppa_url);
 212
 213         if (!history) {
 214                 fprintf(stderr, "Failed to retrieve PPA information\n");
 215                 exit(EXIT_FAILURE);
 216         }
 217
 218         ppastats = malloc(sizeof(struct ppa_stats));
 219         ppastats->name = strdup(ppa);
 220         ppastats->owner = strdup(owner);
 221         ppastats->packages = NULL;
 222         ppastats->daily_download_totals = NULL;
 223         ppastats->download_count = 0;
 224
 225         h_cur = history;
 226         while (*h_cur) {
 227                 h = *h_cur;
 228                 package_name = h->binary_package_name;
 229                 package_version = h->binary_package_version;
 230                 arch_series
 231                         = get_distro_arch_series(h->distro_arch_series_link);
 232                 distro_series
 233                         = get_distro_series(arch_series->distroseries_link);
 234
 235                 count = get_download_count(h->self_link);
 236
 237                 package = get_package_stats(ppastats, package_name);
 238                 package->download_count += count;
 239
 240                 version = get_version_stats(package, package_version);
 241                 version->download_count += count;
 242
 243                 distro = get_distro_stats(version, distro_series->name);
 244                 distro->download_count += count;
 245
 246                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 247                 arch->download_count += count;
 248
 249                 ppastats->download_count += count;
 250
 251                 totals = get_daily_download_totals(h->self_link);
 252                 ppastats->daily_download_totals
 253                         = add_totals(ppastats->daily_download_totals,
 254                                      totals);
 255
 256                 if (ppastats->daily_download_totals != totals)
 257                         daily_download_total_list_free(totals);
 258
 259                 h_cur++;
 260         }
 261
 262         binary_package_publishing_history_list_free(history);
 263
 264         return ppastats;
 265 }
 266
 267 static void arch_stats_free(struct arch_stats *arch)
 268 {
 269         free(arch->name);
 270         free(arch);
 271 }
 272
 273 static void distro_stats_free(struct distro_stats *distro)
 274 {
 275         struct arch_stats **archs;
 276
 277         archs = distro->archs;
 278         if (archs) {
 279                 while (*archs) {
 280                         arch_stats_free(*archs);
 281                         archs++;
 282                 }
 283                 free(distro->archs);
 284         }
 285
 286         free(distro->name);
 287         free(distro);
 288 }
 289
 290 static void version_stats_free(struct version_stats *version)
 291 {
 292         struct distro_stats **distros;
 293
 294         distros = version->distros;
 295         if (distros) {
 296                 while (*distros) {
 297                         distro_stats_free(*distros);
 298                         distros++;
 299                 }
 300                 free(version->distros);
 301         }
 302
 303         free(version->version);
 304         free(version);
 305 }
 306
 307 static void package_stats_free(struct package_stats *package)
 308 {
 309         struct version_stats **versions;
 310
 311         versions = package->versions;
 312         if (versions) {
 313                 while (*versions) {
 314                         version_stats_free(*versions);
 315                         versions++;
 316                 }
 317                 free(package->versions);
 318         }
 319
 320         free(package->name);
 321         free(package);
 322 }
 323
 324 void ppa_stats_free(struct ppa_stats *ppastats)
 325 {
 326         struct package_stats **packages;
 327
 328         packages = ppastats->packages;
 329         if (packages) {
 330                 while (*packages) {
 331                         package_stats_free(*packages);
 332                         packages++;
 333                 }
 334                 free(ppastats->packages);
 335         }
 336
 337         free(ppastats->owner);
 338         free(ppastats->name);
 339
 340         free(ppastats);
 341 }