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efret: Save whether cache changed in update file. 

SVN revision: 62506
This commit is contained in:
Sebastian Dransfeld 2011-08-16 12:46:35 +00:00
parent fa2a688b02
commit f696cd74bd
5 changed files with 128 additions and 90 deletions
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6
legacy/efreet/ChangeLog
View File

@ -86,7 +86,7 @@
* Fixed uri encoding when opening files.
2011-08-16 sebastian Dransfeld
2011-08-16 Sebastian Dransfeld
* Always rebuild cache from scratch when needed, but rely on correct
spec behaviour to check for theme changes. This will considerably
@ -94,3 +94,7 @@
correctness of the cache when changes occur. For example didn't the
previous behaviour handle file removal gracefully.
2011-08-16 Sebastian Dransfeld
* Save whether cache changed in update file, and propagate to update
event.

5
legacy/efreet/src/bin/efreet_desktop_cache_create.c
View File

@ -487,8 +487,11 @@ main(int argc, char **argv)
tmpfd = open(file, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
if (tmpfd >= 0)
{
char c = 'n';
efreet_fsetowner(tmpfd);
if (write(tmpfd, "a", 1) != 1) perror("write");
if (changed) c = 'c';
if (write(tmpfd, &c, 1) != 1) perror("write");
close(tmpfd);
}

5
legacy/efreet/src/bin/efreet_icon_cache_create.c
View File

@ -1102,8 +1102,11 @@ main(int argc, char **argv)
tmpfd = open(file, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
if (tmpfd >= 0)
{
char c = 'n';
efreet_fsetowner(tmpfd);
if (write(tmpfd, "a", 1) != 1) perror("write");
if (changed) c = 'c';
if (write(tmpfd, &c, 1) != 1) perror("write");
close(tmpfd);
}

2
legacy/efreet/src/lib/efreet_base.h
View File

@ -70,7 +70,7 @@ typedef struct _Efreet_Event_Cache_Update Efreet_Event_Cache_Update;
*/
struct _Efreet_Event_Cache_Update
{
int dummy;
int changed;
};
/**

200
legacy/efreet/src/lib/efreet_cache.c
View File

@ -99,6 +99,7 @@ static Eina_Bool efreet_cache_check(Eet_File **ef, const char *path, int major);
static void *efreet_cache_close(Eet_File *ef);
static Eina_Bool cache_exe_cb(void *data, int type, void *event);
static Eina_Bool cache_check_change(const char *path);
static void cache_update_cb(void *data, Ecore_File_Monitor *em,
Ecore_File_Event event, const char *path);
@ -1043,6 +1044,22 @@ cache_exe_cb(void *data __UNUSED__, int type __UNUSED__, void *event)
return ECORE_CALLBACK_RENEW;
}
static Eina_Bool
cache_check_change(const char *path)
{
const char *data;
Eina_Bool changed = EINA_TRUE;
Eina_File *f;
f = eina_file_open(path, EINA_FALSE);
if (!f) return EINA_TRUE;
if (eina_file_size_get(f) < 1) return EINA_TRUE;
data = eina_file_map_all(f, EINA_FILE_SEQUENTIAL);
if (*data == 'n') changed = EINA_FALSE;
eina_file_close(f);
return changed;
}
static void
cache_update_cb(void *data __UNUSED__, Ecore_File_Monitor *em __UNUSED__,
Ecore_File_Event event, const char *path)
@ -1061,32 +1078,36 @@ cache_update_cb(void *data __UNUSED__, Ecore_File_Monitor *em __UNUSED__,
{
ev = NEW(Efreet_Event_Cache_Update, 1);
if (!ev) goto error;
IF_RELEASE(util_cache_names_key);
IF_RELEASE(util_cache_hash_key);
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = desktops;
d->ef = desktop_cache;
old_desktop_caches = eina_list_append(old_desktop_caches, d);
efreet_cache_array_string_free(desktop_dirs);
desktop_dirs = NULL;
desktops = eina_hash_string_superfast_new(NULL);
desktop_cache = NULL;
efreet_cache_array_string_free(util_cache_names);
util_cache_names = NULL;
if (util_cache_hash)
ev->changed = 0;
if (cache_check_change(path))
{
eina_hash_free(util_cache_hash->hash);
free(util_cache_hash);
util_cache_hash = NULL;
}
IF_RELEASE(util_cache_names_key);
IF_RELEASE(util_cache_hash_key);
util_cache = efreet_cache_close(util_cache);
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = desktops;
d->ef = desktop_cache;
old_desktop_caches = eina_list_append(old_desktop_caches, d);
efreet_cache_array_string_free(desktop_dirs);
desktop_dirs = NULL;
desktops = eina_hash_string_superfast_new(NULL);
desktop_cache = NULL;
efreet_cache_array_string_free(util_cache_names);
util_cache_names = NULL;
if (util_cache_hash)
{
eina_hash_free(util_cache_hash->hash);
free(util_cache_hash);
util_cache_hash = NULL;
}
util_cache = efreet_cache_close(util_cache);
ev->changed = 1;
}
ecore_event_add(EFREET_EVENT_DESKTOP_CACHE_UPDATE, ev, desktop_cache_update_free, d);
/* TODO: Check if desktop_dirs_add exists, and rebuild cache if */
@ -1095,36 +1116,40 @@ cache_update_cb(void *data __UNUSED__, Ecore_File_Monitor *em __UNUSED__,
{
ev = NEW(Efreet_Event_Cache_Update, 1);
if (!ev) goto error;
ev->changed = 0;
if (cache_check_change(path))
{
IF_RELEASE(theme_name);
IF_RELEASE(theme_name);
/* Save all old caches */
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = themes;
d->ef = icon_theme_cache;
l = eina_list_append(l, d);
/* Save all old caches */
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = themes;
d->ef = icon_theme_cache;
l = eina_list_append(l, d);
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = icons;
d->ef = icon_cache;
l = eina_list_append(l, d);
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = icons;
d->ef = icon_cache;
l = eina_list_append(l, d);
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = fallbacks;
d->ef = fallback_cache;
l = eina_list_append(l, d);
d = NEW(Efreet_Old_Cache, 1);
if (!d) goto error;
d->hash = fallbacks;
d->ef = fallback_cache;
l = eina_list_append(l, d);
/* Create new empty caches */
themes = eina_hash_string_superfast_new(EINA_FREE_CB(efreet_cache_icon_theme_free));
icons = eina_hash_string_superfast_new(EINA_FREE_CB(efreet_cache_icon_free));
fallbacks = eina_hash_string_superfast_new(EINA_FREE_CB(efreet_cache_icon_fallback_free));
/* Create new empty caches */
themes = eina_hash_string_superfast_new(EINA_FREE_CB(efreet_cache_icon_theme_free));
icons = eina_hash_string_superfast_new(EINA_FREE_CB(efreet_cache_icon_free));
fallbacks = eina_hash_string_superfast_new(EINA_FREE_CB(efreet_cache_icon_fallback_free));
icon_theme_cache = NULL;
icon_cache = NULL;
fallback_cache = NULL;
icon_theme_cache = NULL;
icon_cache = NULL;
fallback_cache = NULL;
ev->changed = 1;
}
/* Send event */
ecore_event_add(EFREET_EVENT_ICON_CACHE_UPDATE, ev, icon_cache_update_free, l);
@ -1261,47 +1286,50 @@ desktop_cache_update_free(void *data, void *ev)
int dangling = 0;
d = data;
/*
* All users should now had the chance to update their pointers, so we can now
* free the old cache
*/
if (d->hash)
if (d)
{
Eina_Iterator *it;
Eina_Hash_Tuple *tuple;
it = eina_hash_iterator_tuple_new(d->hash);
EINA_ITERATOR_FOREACH(it, tuple)
/*
* All users should now had the chance to update their pointers, so we can now
* free the old cache
*/
if (d->hash)
{
if (tuple->data == NON_EXISTING) continue;
ERR("%d:%s still in cache on cache close!",
((Efreet_Desktop *)tuple->data)->ref, (char *)tuple->key);
dangling++;
}
eina_iterator_free(it);
Eina_Iterator *it;
Eina_Hash_Tuple *tuple;
eina_hash_free(d->hash);
it = eina_hash_iterator_tuple_new(d->hash);
EINA_ITERATOR_FOREACH(it, tuple)
{
if (tuple->data == NON_EXISTING) continue;
ERR("%d:%s still in cache on cache close!",
((Efreet_Desktop *)tuple->data)->ref, (char *)tuple->key);
dangling++;
}
eina_iterator_free(it);
eina_hash_free(d->hash);
}
/*
* If there are dangling references the eet file won't be closed - to
* avoid crashes, but this will leak instead.
*/
if (dangling == 0)
{
efreet_cache_close(d->ef);
}
else
{
/* TODO: Keep in old_desktop_caches, as we might close ref later */
ERR("There are still %i desktop files with old\n"
"dangling references to desktop files. This application\n"
"has not handled the EFREET_EVENT_DESKTOP_CACHE_UPDATE\n"
"fully and released its references. Please fix the application\n"
"so it does this.",
dangling);
}
old_desktop_caches = eina_list_remove(old_desktop_caches, d);
free(d);
}
/*
* If there are dangling references the eet file won't be closed - to
* avoid crashes, but this will leak instead.
*/
if (dangling == 0)
{
efreet_cache_close(d->ef);
}
else
{
/* TODO: Keep in old_desktop_caches, as we might close ref later */
ERR("There are still %i desktop files with old\n"
"dangling references to desktop files. This application\n"
"has not handled the EFREET_EVENT_DESKTOP_CACHE_UPDATE\n"
"fully and released its references. Please fix the application\n"
"so it does this.",
dangling);
}
old_desktop_caches = eina_list_remove(old_desktop_caches, d);
free(d);
free(ev);
}