src/download-private.c

   1 #include <stdarg.h>
   2 #include <system_info.h>
   3 #include <download_private.h>
   4
   5 static __thread int feature_supported[DOWNLOAD_SUPPORTED_FEATURE_MAX] = { -1, -1, -1, -1};
   6
   7 static bool __check_feature_supported(const char *key, download_supported_feature_e feature)
   8 {
   9         if (feature_supported[feature] == -1) {
  10                 bool value = false;
  11                 if (system_info_get_platform_bool(key, &value) < 0) {
  12                         TRACE_ERROR("Failed to get system info");
  13                         return false;
  14                 }
  15                 feature_supported[feature] = (int)value;
  16         }
  17         return (feature_supported[feature] > 0 ? true : false);
  18 }
  19
  20 int _download_check_feature_supported(const char *feature, ...)
  21 {
  22         va_list list;
  23         const char *key;
  24         bool value = false;
  25         bool supported = false;
  26
  27         va_start(list, feature);
  28         key = feature;
  29
  30         while (1) {
  31                 if (strcmp(key, DOWNLOAD_FEATURE) == 0)
  32                         value = __check_feature_supported(key, DOWNLOAD_SUPPORTED_FEATURE_DOWNLOAD);
  33                 else if (strcmp(key, TELEPHONY_FEATURE) == 0)
  34                         value = __check_feature_supported(key, DOWNLOAD_SUPPORTED_FEATURE_TELEPHONY);
  35                 else if (strcmp(key, WIFI_FEATURE) == 0)
  36                         value =  __check_feature_supported(key, DOWNLOAD_SUPPORTED_FEATURE_WIFI);
  37                 else if (strcmp(key, WIFI_DIRECT_FEATURE) == 0)
  38                         value =  __check_feature_supported(key, DOWNLOAD_SUPPORTED_FEATURE_WIFI_DIRECT);
  39
  40                 supported |= value;
  41                 key = va_arg(list, const char *);
  42                 if (!key) break;
  43         }
  44
  45         if (!supported) {
  46                 TRACE_ERROR("Not supported features");
  47                 set_last_result(DOWNLOAD_ERROR_NOT_SUPPORTED);
  48                 va_end(list);
  49                 return DOWNLOAD_ERROR_NOT_SUPPORTED;
  50         }
  51         va_end(list);
  52         set_last_result(DOWNLOAD_ERROR_NONE);
  53
  54         return DOWNLOAD_ERROR_NONE;
  55 }