2 * Copyright (C) 2011-2012 jeanfi@gmail.com
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.
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.
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
21 #define _(String) gettext(String)
27 #include <curl/curl.h>
28 #include <json/json.h>
38 QUERY_GET_PUBLISHED_BINARIES = "?ws.op=getPublishedBinaries&ws.size=300";
39 static const char *QUERY_GET_DOWNLOAD_COUNT = "?ws.op=getDownloadCount";
41 QUERY_GET_DAILY_DOWNLOAD_TOTALS = "?ws.op=getDailyDownloadTotals";
43 static const int DEFAULT_FETCH_RETRIES = 10;
52 static size_t cbk_curl(void *buffer, size_t size, size_t nmemb, void *userp)
54 size_t realsize = size * nmemb;
55 struct ucontent *mem = (struct ucontent *)userp;
57 mem->data = realloc(mem->data, mem->len + realsize + 1);
59 memcpy(&(mem->data[mem->len]), buffer, realsize);
61 mem->data[mem->len] = 0;
69 log_debug(_("initializing CURL"));
70 curl_global_init(CURL_GLOBAL_ALL);
71 curl = curl_easy_init();
78 static char *fetch_url(const char *url)
80 struct ucontent *content = malloc(sizeof(struct ucontent));
86 log_debug(_("fetch_url(): %s"), url);
92 retries = DEFAULT_FETCH_RETRIES;
95 content->data = malloc(1);
96 content->data[0] = '\0';
99 curl_easy_setopt(curl, CURLOPT_URL, url);
100 curl_easy_setopt(curl, CURLOPT_VERBOSE, 0);
101 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, cbk_curl);
102 curl_easy_setopt(curl, CURLOPT_WRITEDATA, content);
103 curl_easy_setopt(curl, CURLOPT_USERAGENT, "ppastats/0.0");
105 if (curl_easy_perform(curl) == CURLE_OK) {
106 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
110 result = content->data;
116 log_err(_("Fetch failed with code %ld for URL %s"),
121 s = 2 * (DEFAULT_FETCH_RETRIES - retries) + 2;
122 log_debug(_("Wait %ds before retry"), s);
132 log_err(_("Fetch failed with code %ld for URL %s"),
146 static json_object *get_json_object(const char *url)
148 json_object *obj = NULL;
151 body = fetch_url(url);
154 obj = json_tokener_parse(body);
164 #define json_object_to_bpph_list \
165 json_object_to_binary_package_publishing_history_list
167 struct binary_package_publishing_history * *
168 get_binary_package_publishing_history_list(const char *archive_url,
169 const char *pkg_status)
171 struct json_object *o_next;
174 void **result = NULL;
176 url = malloc(strlen(archive_url)+
177 strlen(QUERY_GET_PUBLISHED_BINARIES)+
178 (pkg_status ? strlen("&status=")+strlen(pkg_status) : 0)+
181 strcpy(url, archive_url);
182 strcat(url, QUERY_GET_PUBLISHED_BINARIES);
185 strcat(url, "&status=");
186 strcat(url, pkg_status);
190 o = get_json_object(url);
197 result = list_append_list(result,
198 (void **)json_object_to_bpph_list(o));
200 o_next = json_object_object_get(o, "next_collection_link");
203 url = strdup(json_object_get_string(o_next));
208 return (struct binary_package_publishing_history **)result;
211 int get_download_count(const char *archive_url)
213 int n = strlen(archive_url) + strlen(QUERY_GET_DOWNLOAD_COUNT) + 1;
214 char *url = malloc(n);
218 strcpy(url, archive_url);
219 strcat(url, QUERY_GET_DOWNLOAD_COUNT);
221 obj = get_json_object(url);
227 result = json_object_get_int(obj);
229 json_object_put(obj);
234 const struct distro_arch_series *get_distro_arch_series(const char *url)
237 const struct distro_arch_series *distro;
239 distro = cache_get(url);
241 return (struct distro_arch_series *)distro;
243 obj = get_json_object(url);
248 distro = json_object_to_distro_arch_series(obj);
250 json_object_put(obj);
252 cache_put(url, distro, (void (*)(void *))&distro_arch_series_free);
257 const struct distro_series *get_distro_series(const char *url)
260 const struct distro_series *distro;
262 distro = cache_get(url);
264 return (struct distro_series *)distro;
266 obj = get_json_object(url);
271 distro = json_object_to_distro_series(obj);
273 json_object_put(obj);
275 cache_put(url, distro, (void (*)(void *))&distro_series_free);
280 struct daily_download_total **get_daily_download_totals(const char *binary_url)
284 struct daily_download_total **result = NULL;
286 url = malloc(strlen(binary_url)+
287 strlen(QUERY_GET_DAILY_DOWNLOAD_TOTALS)+1);
289 strcpy(url, binary_url);
290 strcat(url, QUERY_GET_DAILY_DOWNLOAD_TOTALS);
292 obj = get_json_object(url);
295 result = json_object_to_daily_download_totals(obj);
296 json_object_put(obj);
306 log_debug(_("cleanup CURL"));
308 curl_easy_cleanup(curl);
309 curl_global_cleanup();