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Merge pull request #12680 from jdgleaver/core-info-cache-auto-disable

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Automatically disable core info cache when core info directory is read-only
This commit is contained in:
Autechre 2021-07-20 02:46:50 +02:00 committed by GitHub
commit 53a35e87c3
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 55 additions and 12 deletions
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22
core_info.c
View File

@ -732,17 +732,18 @@ end:
return core_info_cache_list;
}
static void core_info_cache_write(core_info_cache_list_t *list, const char *info_dir)
static bool core_info_cache_write(core_info_cache_list_t *list, const char *info_dir)
{
intfstream_t *file = NULL;
rjsonwriter_t *writer = NULL;
bool success = false;
char file_path[PATH_MAX_LENGTH];
size_t i, j;
file_path[0] = '\0';
if (!list)
return;
return false;
/* Open info cache file */
if (string_is_empty(info_dir))
@ -763,7 +764,7 @@ static void core_info_cache_write(core_info_cache_list_t *list, const char *info
if (!file)
{
RARCH_ERR("[Core Info] Failed to write to core info cache file: %s\n", file_path);
return;
return false;
}
/* Write info cache */
@ -1068,6 +1069,7 @@ static void core_info_cache_write(core_info_cache_list_t *list, const char *info
rjsonwriter_free(writer);
RARCH_LOG("[Core Info] Wrote to cache file: %s\n", file_path);
success = true;
/* Remove 'force refresh' file, if required */
file_path[0] = '\0';
@ -1086,6 +1088,7 @@ end:
free(file);
list->refresh = false;
return success;
}
static void core_info_check_uninstalled(core_info_cache_list_t *list)
@ -1774,7 +1777,8 @@ static core_info_list_t *core_info_list_new(const char *path,
const char *libretro_info_dir,
const char *exts,
bool dir_show_hidden_files,
bool enable_cache)
bool enable_cache,
bool *cache_supported)
{
size_t i;
core_path_list_t *path_list = NULL;
@ -1906,12 +1910,14 @@ static core_info_list_t *core_info_list_new(const char *path,
* a refresh)
* > Write new cache to disk if updates are
* required */
*cache_supported = true;
if (core_info_cache_list)
{
core_info_check_uninstalled(core_info_cache_list);
if (core_info_cache_list->refresh)
core_info_cache_write(core_info_cache_list, info_dir);
*cache_supported = core_info_cache_write(
core_info_cache_list, info_dir);
core_info_cache_list_free(core_info_cache_list);
}
@ -2104,14 +2110,16 @@ void core_info_deinit_list(void)
}
bool core_info_init_list(const char *path_info, const char *dir_cores,
const char *exts, bool dir_show_hidden_files, bool enable_cache)
const char *exts, bool dir_show_hidden_files,
bool enable_cache, bool *cache_supported)
{
core_info_state_t *p_coreinfo = coreinfo_get_ptr();
if (!(p_coreinfo->curr_list = core_info_list_new(dir_cores,
!string_is_empty(path_info) ? path_info : dir_cores,
exts,
dir_show_hidden_files,
enable_cache)))
enable_cache,
cache_supported)))
return false;
return true;
}

3
core_info.h
View File

@ -157,7 +157,8 @@ bool core_info_get_current_core(core_info_t **core);
void core_info_deinit_list(void);
bool core_info_init_list(const char *path_info, const char *dir_cores,
const char *exts, bool show_hidden_files, bool enable_cache);
const char *exts, bool show_hidden_files,
bool enable_cache, bool *cache_supported);
bool core_info_get_list(core_info_list_t **core);

4
intl/msg_hash_us.h
View File

@ -12034,6 +12034,10 @@ MSG_HASH(
MSG_UNSUPPORTED_VIDEO_MODE,
"Unsupported video mode"
)
MSG_HASH(
MSG_CORE_INFO_CACHE_UNSUPPORTED,
"Cannot write to core info directory - core info cache will be disabled"
)
/* Lakka */

20
menu/menu_setting.c
View File

@ -7959,8 +7959,24 @@ static void general_write_handler(rarch_setting_t *setting)
* force a cache refresh on the next
* core info initialisation */
if (*setting->value.target.boolean)
core_info_cache_force_refresh(!string_is_empty(path_libretro_info) ?
path_libretro_info : dir_libretro);
if (!core_info_cache_force_refresh(!string_is_empty(path_libretro_info) ?
path_libretro_info : dir_libretro))
{
/* core_info_cache_force_refresh() will fail
* if we cannot write to the the core_info
* directory. This will typically only happen
* on platforms where the core_info directory
* is explicitly (and intentionally) placed on
* read-only storage. In this case, core info
* caching cannot function correctly anyway,
* so we simply force-disable the feature */
configuration_set_bool(settings,
settings->bools.core_info_cache_enable, false);
runloop_msg_queue_push(
msg_hash_to_str(MSG_CORE_INFO_CACHE_UNSUPPORTED),
1, 100, true,
NULL, MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
}
}
break;
default:

1
msg_hash.h
View File

@ -491,6 +491,7 @@ enum msg_hash_enums
MSG_LOCALAP_ERROR_CONFIG_PARSE,
#endif
MSG_UNSUPPORTED_VIDEO_MODE,
MSG_CORE_INFO_CACHE_UNSUPPORTED,
MENU_LABEL(MENU_XMB_ANIMATION_HORIZONTAL_HIGHLIGHT),
MENU_LABEL(MENU_XMB_ANIMATION_MOVE_UP_DOWN),

17
retroarch.c
View File

@ -14296,12 +14296,25 @@ bool command_event(enum event_command cmd, void *data)
return false;
if (!string_is_empty(dir_libretro))
{
bool cache_supported = false;
core_info_init_list(path_libretro_info,
dir_libretro,
ext_name,
show_hidden_files,
core_info_cache_enable
);
core_info_cache_enable,
&cache_supported);
/* If core info cache is enabled but cache
* functionality is unsupported (i.e. because
* the core info directory is on read-only
* storage), force-disable the setting to
* avoid repeated failures */
if (core_info_cache_enable && !cache_supported)
configuration_set_bool(settings,
settings->bools.core_info_cache_enable, false);
}
}
break;
case CMD_EVENT_CORE_DEINIT: