src/libpakfire/repocache.c

   1 /*#############################################################################
   2 #                                                                             #
   3 # Pakfire - The IPFire package management system                              #
   4 # Copyright (C) 2013 Pakfire development team                                 #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 #############################################################################*/
  20
  21 #define _XOPEN_SOURCE 500
  22 #include <ftw.h>
  23 #include <stdio.h>
  24 #include <sys/stat.h>
  25
  26 #include <pakfire/cache.h>
  27 #include <pakfire/constants.h>
  28 #include <pakfire/package.h>
  29 #include <pakfire/private.h>
  30 #include <pakfire/repo.h>
  31 #include <pakfire/repocache.h>
  32 #include <pakfire/types.h>
  33 #include <pakfire/util.h>
  34
  35 static char* pakfire_repocache_prefix(PakfireRepoCache repo_cache) {
  36         const char* repo_name = pakfire_repo_get_name(repo_cache->repo);
  37
  38         char buffer[STRING_SIZE] = "";
  39         snprintf(buffer, sizeof(buffer), "repodata/%s", repo_name);
  40
  41         return pakfire_strdup(buffer);
  42 }
  43
  44 PAKFIRE_EXPORT PakfireRepoCache pakfire_repocache_create(PakfireRepo repo) {
  45         PakfireRepoCache repo_cache = pakfire_calloc(1, sizeof(*repo_cache));
  46
  47         repo_cache->repo = repo;
  48         repo_cache->prefix = pakfire_repocache_prefix(repo_cache);
  49
  50         return repo_cache;
  51 }
  52
  53 PAKFIRE_EXPORT void pakfire_repocache_free(PakfireRepoCache repo_cache) {
  54         pakfire_free(repo_cache->prefix);
  55         pakfire_free(repo_cache);
  56 }
  57
  58 PAKFIRE_EXPORT char* pakfire_repocache_get_cache_path(PakfireRepoCache repo_cache, const char* path) {
  59         return pakfire_path_join(repo_cache->prefix, path);
  60 }
  61
  62 PAKFIRE_EXPORT char* pakfire_repocache_get_full_path(PakfireRepoCache repo_cache, const char* path) {
  63         char* cache_path = pakfire_repocache_get_cache_path(repo_cache, path);
  64
  65         PakfireCache cache = pakfire_repocache_cache(repo_cache);
  66         char* full_path = pakfire_cache_get_full_path(cache, cache_path);
  67
  68         pakfire_free(cache_path);
  69
  70         return full_path;
  71 }
  72
  73 PAKFIRE_EXPORT int pakfire_repocache_has_file(PakfireRepoCache repo_cache, const char* filename) {
  74         char* cache_filename = pakfire_repocache_get_cache_path(repo_cache, filename);
  75
  76         PakfireCache cache = pakfire_repocache_cache(repo_cache);
  77         int r = pakfire_cache_has_file(cache, cache_filename);
  78
  79         pakfire_free(cache_filename);
  80         return r;
  81 }
  82
  83 PAKFIRE_EXPORT int pakfire_repocache_age(PakfireRepoCache repo_cache, const char* filename) {
  84         char* cache_filename = pakfire_repocache_get_cache_path(repo_cache, filename);
  85
  86         PakfireCache cache = pakfire_repocache_cache(repo_cache);
  87         int age = pakfire_cache_age(cache, cache_filename);
  88         pakfire_free(cache_filename);
  89
  90         return age;
  91 }
  92
  93 PAKFIRE_EXPORT FILE* pakfire_repocache_open(PakfireRepoCache repo_cache, const char* filename, const char* flags) {
  94         char* cache_filename = pakfire_repocache_get_cache_path(repo_cache, filename);
  95
  96         PakfireCache cache = pakfire_repocache_cache(repo_cache);
  97         FILE* fp = pakfire_cache_open(cache, cache_filename, flags);
  98         pakfire_free(cache_filename);
  99
 100         return fp;
 101 }