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
 104         version->distros
 105                 = (struct distro_stats **)list_add((void **)version->distros,
 106                                                    d);
 107
 108         return d;
 109 }
 110
 111 static struct arch_stats *get_arch_stats(struct distro_stats *distro,
 112                                          const char *name)
 113 {
 114         struct arch_stats **cur = distro->archs;
 115         struct arch_stats *a;
 116
 117         while (cur && *cur) {
 118                 a = *cur;
 119
 120                 if (!strcmp(a->name, name))
 121                         return a;
 122
 123                 cur++;
 124         }
 125
 126         a = malloc(sizeof(struct arch_stats));
 127         a->name = strdup(name);
 128         a->download_count = 0;
 129
 130         distro->archs
 131                 = (struct arch_stats **)list_add((void **)distro->archs,
 132                                                  a);
 133
 134         return a;
 135 }
 136
 137
 138 static struct daily_download_total **add_total
 139 (struct daily_download_total **totals, struct daily_download_total *total)
 140 {
 141         struct daily_download_total **cur;
 142         struct daily_download_total *item;
 143
 144         if (totals) {
 145                 cur = totals;
 146                 while (*cur) {
 147                         item = *cur;
 148
 149                         if (item->date.tm_year == total->date.tm_year &&
 150                             item->date.tm_mon == total->date.tm_mon &&
 151                             item->date.tm_mday == total->date.tm_mday) {
 152                                 item->count += total->count;
 153                                 return totals;
 154                         }
 155
 156                         cur++;
 157                 }
 158         }
 159
 160         item = malloc(sizeof(struct daily_download_total));
 161         memcpy(item, total, sizeof(struct daily_download_total));
 162
 163         return (struct daily_download_total **)
 164                 list_add((void **)totals, (void *)item);
 165 }
 166
 167 struct daily_download_total **add_totals
 168 (struct daily_download_total **total1, struct daily_download_total **total2)
 169 {
 170         struct daily_download_total **cur;
 171         struct daily_download_total **result;
 172
 173         result = total1;
 174         cur = total2;
 175         while (*cur) {
 176                 result = add_total(result, *cur);
 177
 178                 cur++;
 179         }
 180
 181         return result;
 182 }
 183
 184 struct ppa_stats *
 185 create_ppa_stats(const char *owner,
 186                  const char *ppa,
 187                  const char *package_status)
 188 {
 189         struct ppa_stats *ppastats;
 190         struct binary_package_publishing_history **history;
 191         struct binary_package_publishing_history **h_cur;
 192         struct binary_package_publishing_history *h;
 193         char *ppa_url, *package_name, *package_version;
 194         struct package_stats *package;
 195         struct version_stats *version;
 196         const struct distro_series *distro_series;
 197         const struct distro_arch_series *arch_series;
 198         struct distro_stats *distro;
 199         struct arch_stats *arch;
 200         int count;
 201         struct daily_download_total **totals;
 202
 203         ppa_url = get_archive_url(owner, ppa);
 204         history = get_binary_package_publishing_history_list(ppa_url,
 205                                                              package_status);
 206         free(ppa_url);
 207
 208         if (!history) {
 209                 fprintf(stderr, "Failed to retrieve PPA information\n");
 210                 exit(EXIT_FAILURE);
 211         }
 212
 213         ppastats = malloc(sizeof(struct ppa_stats));
 214         ppastats->name = strdup(ppa);
 215         ppastats->owner = strdup(owner);
 216         ppastats->packages = NULL;
 217         ppastats->daily_download_totals = NULL;
 218         ppastats->download_count = 0;
 219
 220         h_cur = history;
 221         while (*h_cur) {
 222                 h = *h_cur;
 223                 package_name = h->binary_package_name;
 224                 package_version = h->binary_package_version;
 225                 arch_series
 226                         = get_distro_arch_series(h->distro_arch_series_link);
 227                 distro_series
 228                         = get_distro_series(arch_series->distroseries_link);
 229
 230                 count = get_download_count(h->self_link);
 231
 232                 package = get_package_stats(ppastats, package_name);
 233                 package->download_count += count;
 234
 235                 version = get_version_stats(package, package_version);
 236                 version->download_count += count;
 237
 238                 distro = get_distro_stats(version, distro_series->name);
 239                 distro->download_count += count;
 240
 241                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 242                 arch->download_count += count;
 243
 244                 ppastats->download_count += count;
 245
 246                 totals = get_daily_download_totals(h->self_link);
 247
 248                 ppastats->daily_download_totals
 249                         = add_totals(ppastats->daily_download_totals,
 250                                      totals);
 251
 252                 package->daily_download_totals
 253                         = add_totals(package->daily_download_totals,
 254                                      totals);
 255
 256                 version->daily_download_totals
 257                         = add_totals(version->daily_download_totals,
 258                                      totals);
 259
 260                 daily_download_total_list_free(totals);
 261
 262                 h_cur++;
 263         }
 264
 265         binary_package_publishing_history_list_free(history);
 266
 267         return ppastats;
 268 }
 269
 270 static void arch_stats_free(struct arch_stats *arch)
 271 {
 272         free(arch->name);
 273         free(arch);
 274 }
 275
 276 static void distro_stats_free(struct distro_stats *distro)
 277 {
 278         struct arch_stats **archs;
 279
 280         archs = distro->archs;
 281         if (archs) {
 282                 while (*archs) {
 283                         arch_stats_free(*archs);
 284                         archs++;
 285                 }
 286                 free(distro->archs);
 287         }
 288
 289         free(distro->name);
 290         free(distro);
 291 }
 292
 293 static void version_stats_free(struct version_stats *version)
 294 {
 295         struct distro_stats **distros;
 296
 297         distros = version->distros;
 298         if (distros) {
 299                 while (*distros) {
 300                         distro_stats_free(*distros);
 301                         distros++;
 302                 }
 303                 free(version->distros);
 304         }
 305
 306         free(version->version);
 307         free(version);
 308 }
 309
 310 static void package_stats_free(struct package_stats *package)
 311 {
 312         struct version_stats **versions;
 313
 314         versions = package->versions;
 315         if (versions) {
 316                 while (*versions) {
 317                         version_stats_free(*versions);
 318                         versions++;
 319                 }
 320                 free(package->versions);
 321         }
 322
 323         free(package->name);
 324         free(package);
 325 }
 326
 327 void ppa_stats_free(struct ppa_stats *ppastats)
 328 {
 329         struct package_stats **packages;
 330
 331         packages = ppastats->packages;
 332         if (packages) {
 333                 while (*packages) {
 334                         package_stats_free(*packages);
 335                         packages++;
 336                 }
 337                 free(ppastats->packages);
 338         }
 339
 340         free(ppastats->owner);
 341         free(ppastats->name);
 342
 343         daily_download_total_list_free(ppastats->daily_download_totals);
 344
 345         free(ppastats);
 346 }