src/lp_ws.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 <stdlib.h>
  24 #include <string.h>
  25
  26 #include <json/json.h>
  27
  28 #include "cache.h"
  29 #include "fcache.h"
  30 #include "http.h"
  31 #include "list.h"
  32 #include "log.h"
  33 #include "lp_ws.h"
  34 #include "lp_json.h"
  35 #include "ppastats.h"
  36
  37 static const char *
  38 QUERY_GET_PUBLISHED_BINARIES = "?ws.op=getPublishedBinaries&ws.size=300";
  39 static const char *QUERY_GET_DOWNLOAD_COUNT = "?ws.op=getDownloadCount";
  40 static const char *
  41 QUERY_GET_DAILY_DOWNLOAD_TOTALS = "?ws.op=getDailyDownloadTotals";
  42
  43 static json_object *get_json_object(const char *url)
  44 {
  45         json_object *obj = NULL;
  46         char *body;
  47
  48         body = get_url_content(url, 0);
  49
  50         if (body) {
  51                 obj = json_tokener_parse(body);
  52
  53                 free(body);
  54
  55                 return obj;
  56         }
  57
  58         return NULL;
  59 }
  60
  61 #define json_object_to_bpph_list \
  62 json_object_to_binary_package_publishing_history_list
  63
  64 struct binary_package_publishing_history * *
  65 get_binary_package_publishing_history_list(const char *archive_url,
  66                                            const char *pkg_status)
  67 {
  68         struct json_object *o_next;
  69         char *url;
  70         json_object *o;
  71         void **result = NULL;
  72
  73         url = malloc(strlen(archive_url)+
  74                      strlen(QUERY_GET_PUBLISHED_BINARIES)+
  75                      (pkg_status ? strlen("&status=")+strlen(pkg_status) : 0)+
  76                      1);
  77
  78         strcpy(url, archive_url);
  79         strcat(url, QUERY_GET_PUBLISHED_BINARIES);
  80
  81         if (pkg_status) {
  82                 strcat(url, "&status=");
  83                 strcat(url, pkg_status);
  84         }
  85
  86         while (url) {
  87                 o = get_json_object(url);
  88                 free(url);
  89                 url = NULL;
  90
  91                 if (!o)
  92                         break;
  93
  94                 result = list_append_list(result,
  95                                           (void **)json_object_to_bpph_list(o));
  96
  97                 o_next = json_object_object_get(o, "next_collection_link");
  98
  99                 if (o_next)
 100                         url = strdup(json_object_get_string(o_next));
 101
 102                 json_object_put(o);
 103         }
 104
 105         return (struct binary_package_publishing_history **)result;
 106 }
 107
 108 int get_download_count(const char *archive_url)
 109 {
 110         int n = strlen(archive_url) + strlen(QUERY_GET_DOWNLOAD_COUNT) + 1;
 111         char *url = malloc(n);
 112         int result;
 113         json_object *obj;
 114
 115         strcpy(url, archive_url);
 116         strcat(url, QUERY_GET_DOWNLOAD_COUNT);
 117
 118         obj = get_json_object(url);
 119         free(url);
 120
 121         if (!obj)
 122                 return -1;
 123
 124         result = json_object_get_int(obj);
 125
 126         json_object_put(obj);
 127
 128         return result;
 129 }
 130
 131 const struct distro_arch_series *get_distro_arch_series(const char *url)
 132 {
 133         json_object *obj;
 134         const struct distro_arch_series *distro;
 135         char *content;
 136
 137         distro = cache_get(url);
 138         if (distro)
 139                 return (struct distro_arch_series *)distro;
 140
 141         content = get_url_content(url, 1);
 142
 143         if (!content)
 144                 return NULL;
 145
 146         obj = json_tokener_parse(content);
 147
 148         free(content);
 149
 150         if (!obj)
 151                 return NULL;
 152
 153         distro = json_object_to_distro_arch_series(obj);
 154
 155         json_object_put(obj);
 156
 157         cache_put(url, distro, (void (*)(void *))&distro_arch_series_free);
 158
 159         return distro;
 160 }
 161
 162 const struct distro_series *get_distro_series(const char *url)
 163 {
 164         json_object *obj;
 165         const struct distro_series *distro;
 166         char *content;
 167
 168         distro = cache_get(url);
 169         if (distro)
 170                 return (struct distro_series *)distro;
 171
 172         content = get_url_content(url, 1);
 173
 174         if (!content)
 175                 return NULL;
 176
 177         obj = json_tokener_parse(content);
 178
 179         free(content);
 180
 181         if (!obj)
 182                 return NULL;
 183
 184         distro = json_object_to_distro_series(obj);
 185
 186         json_object_put(obj);
 187
 188         cache_put(url, distro, (void (*)(void *))&distro_series_free);
 189
 190         return distro;
 191 }
 192
 193 struct daily_download_total **get_daily_download_totals(const char *binary_url)
 194 {
 195         char *url;
 196         json_object *obj;
 197         struct daily_download_total **result = NULL;
 198
 199         url = malloc(strlen(binary_url)+
 200                      strlen(QUERY_GET_DAILY_DOWNLOAD_TOTALS)+1);
 201
 202         strcpy(url, binary_url);
 203         strcat(url, QUERY_GET_DAILY_DOWNLOAD_TOTALS);
 204
 205         obj = get_json_object(url);
 206
 207         if (obj) {
 208                 result = json_object_to_daily_download_totals(obj);
 209                 json_object_put(obj);
 210         }
 211
 212         free(url);
 213
 214         return result;
 215 }
 216