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 struct ppa_stats *create_ppa_stats(const char *owner, const char *ppa)
 141 {
 142         struct ppa_stats *ppastats;
 143         struct binary_package_publishing_history **history;
 144         struct binary_package_publishing_history **h_cur;
 145         struct binary_package_publishing_history *h;
 146         char *ppa_url, *package_name, *package_version;
 147         struct package_stats *package;
 148         struct version_stats *version;
 149         const struct distro_series *distro_series;
 150         const struct distro_arch_series *arch_series;
 151         struct distro_stats *distro;
 152         struct arch_stats *arch;
 153         int count;
 154
 155         ppa_url = get_archive_url(owner, ppa);
 156         history = get_binary_package_publishing_history_list(ppa_url);
 157         free(ppa_url);
 158
 159         if (!history) {
 160                 fprintf(stderr, "Failed to retrieve PPA information\n");
 161                 exit(EXIT_FAILURE);
 162         }
 163
 164         ppastats = malloc(sizeof(struct ppa_stats));
 165         ppastats->name = strdup(ppa);
 166         ppastats->owner = strdup(owner);
 167         ppastats->packages = NULL;
 168         ppastats->daily_download_totals = NULL;
 169         ppastats->download_count = 0;
 170
 171         h_cur = history;
 172         while (*h_cur) {
 173                 h = *h_cur;
 174                 package_name = h->binary_package_name;
 175                 package_version = h->binary_package_version;
 176                 arch_series
 177                         = get_distro_arch_series(h->distro_arch_series_link);
 178                 distro_series
 179                         = get_distro_series(arch_series->distroseries_link);
 180                 count = get_download_count(h->self_link);
 181
 182                 package = get_package_stats(ppastats, package_name);
 183                 package->download_count += count;
 184
 185                 version = get_version_stats(package, package_version);
 186                 version->download_count += count;
 187
 188                 distro = get_distro_stats(version, distro_series->name);
 189                 distro->download_count += count;
 190
 191                 arch = get_arch_stats(distro, arch_series->architecture_tag);
 192                 arch->download_count += count;
 193
 194                 ppastats->download_count += count;
 195
 196                 h_cur++;
 197         }
 198
 199         binary_package_publishing_history_list_free(history);
 200
 201         return ppastats;
 202 }
 203
 204 static void arch_stats_free(struct arch_stats *arch)
 205 {
 206         free(arch->name);
 207         free(arch);
 208 }
 209
 210 static void distro_stats_free(struct distro_stats *distro)
 211 {
 212         struct arch_stats **archs;
 213
 214         archs = distro->archs;
 215         if (archs) {
 216                 while (*archs) {
 217                         arch_stats_free(*archs);
 218                         archs++;
 219                 }
 220                 free(distro->archs);
 221         }
 222
 223         free(distro->name);
 224         free(distro);
 225 }
 226
 227 static void version_stats_free(struct version_stats *version)
 228 {
 229         struct distro_stats **distros;
 230
 231         distros = version->distros;
 232         if (distros) {
 233                 while (*distros) {
 234                         distro_stats_free(*distros);
 235                         distros++;
 236                 }
 237                 free(version->distros);
 238         }
 239
 240         free(version->version);
 241         free(version);
 242 }
 243
 244 static void package_stats_free(struct package_stats *package)
 245 {
 246         struct version_stats **versions;
 247
 248         versions = package->versions;
 249         if (versions) {
 250                 while (*versions) {
 251                         version_stats_free(*versions);
 252                         versions++;
 253                 }
 254                 free(package->versions);
 255         }
 256
 257         free(package->name);
 258         free(package);
 259 }
 260
 261 void ppa_stats_free(struct ppa_stats *ppastats)
 262 {
 263         struct package_stats **packages;
 264
 265         packages = ppastats->packages;
 266         if (packages) {
 267                 while (*packages) {
 268                         package_stats_free(*packages);
 269                         packages++;
 270                 }
 271                 free(ppastats->packages);
 272         }
 273
 274         free(ppastats->owner);
 275         free(ppastats->name);
 276
 277         free(ppastats);
 278 }