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efl/src/bin/efreet/efreetd_cache.c

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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <Eina.h>
#include <Ecore.h>
#include <Ecore_File.h>
#include <Eio.h>
#include <Eet.h>
#include "efreetd.h"
#include "efreetd_ipc.h"
#include "Efreet.h"
#define EFREET_MODULE_LOG_DOM efreetd_log_dom
#include "efreet_private.h"
#include "efreetd_cache.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
extern FILE *efreetd_log_file;
static Eina_Hash *icon_change_monitors = NULL;
static Eina_Hash *icon_change_monitors_mon = NULL;
static Eina_Hash *desktop_change_monitors = NULL;
static Eina_Hash *desktop_change_monitors_mon = NULL;
static Ecore_Event_Handler *cache_exe_del_handler = NULL;
static Ecore_Event_Handler *cache_exe_data_handler = NULL;
static Ecore_Exe *icon_cache_exe = NULL;
static Ecore_Exe *desktop_cache_exe = NULL;
static Ecore_Timer *icon_cache_timer = NULL;
static Ecore_Timer *desktop_cache_timer = NULL;
static Eina_Prefix *pfx = NULL;
static Eina_Bool desktop_exists = EINA_FALSE;
static Eina_List *desktop_system_dirs = NULL;
static Eina_List *desktop_extra_dirs = NULL;
static Eina_List *icon_extra_dirs = NULL;
static Eina_List *icon_exts = NULL;
static Eina_Bool icon_flush = EINA_FALSE;
static Eina_Bool desktop_queue = EINA_FALSE;
static Eina_Bool icon_queue = EINA_FALSE;
static Eina_List *_handlers = NULL;
static void icon_changes_listen(void);
static void desktop_changes_listen(void);
/* internal */
typedef struct _Subdir_Cache Subdir_Cache;
typedef struct _Subdir_Cache_Dir Subdir_Cache_Dir;
struct _Subdir_Cache
{
Eina_Hash *dirs;
};
struct _Subdir_Cache_Dir
{
unsigned long long dev;
unsigned long long ino;
unsigned long long mode;
unsigned long long uid;
unsigned long long gid;
unsigned long long size;
unsigned long long mtim;
unsigned long long ctim;
const char **dirs;
unsigned int dirs_count;
};
static Eet_Data_Descriptor *subdir_edd = NULL;
static Eet_Data_Descriptor *subdir_dir_edd = NULL;
static Subdir_Cache *subdir_cache = NULL;
static Eina_Bool subdir_need_save = EINA_FALSE;
static Eina_Hash *mime_monitors = NULL;
static Eina_Hash *mime_monitors_mon = NULL;
static Ecore_Timer *mime_update_timer = NULL;
static Ecore_Exe *mime_cache_exe = NULL;
static void mime_cache_init(void);
static void mime_cache_shutdown(void);
static Eina_Bool mime_update_cache_cb(void *data EINA_UNUSED);
static void
subdir_cache_dir_free(Subdir_Cache_Dir *cd)
{
unsigned int i;
if (!cd) return;
if (cd->dirs)
{
for (i = 0; i < cd->dirs_count; i++)
eina_stringshare_del(cd->dirs[i]);
free(cd->dirs);
}
free(cd);
}
static void *
subdir_cache_hash_add(void *hash, const char *key, void *data)
{
if (!hash) hash = eina_hash_string_superfast_new(EINA_FREE_CB(subdir_cache_dir_free));
if (!hash) return NULL;
eina_hash_add(hash, key, data);
return hash;
}
static void
subdir_cache_init(void)
{
Eet_Data_Descriptor_Class eddc;
Eet_File *ef;
Eina_Strbuf *buf = eina_strbuf_new();
if (!buf) return;
// set up data codecs for subdirs in memory
eet_eina_stream_data_descriptor_class_set(&eddc, sizeof(Subdir_Cache_Dir), "D", sizeof(Subdir_Cache_Dir));
EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Subdir_Cache_Dir);
subdir_dir_edd = eet_data_descriptor_stream_new(&eddc);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "0", dev, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "1", ino, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "2", mode, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "3", uid, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "4", gid, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "5", size, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "6", mtim, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_BASIC(subdir_dir_edd, Subdir_Cache_Dir, "7", ctim, EET_T_ULONG_LONG);
EET_DATA_DESCRIPTOR_ADD_VAR_ARRAY_STRING(subdir_dir_edd, Subdir_Cache_Dir, "d", dirs);
eet_eina_stream_data_descriptor_class_set(&eddc, sizeof(Subdir_Cache), "C", sizeof(Subdir_Cache));
eddc.func.hash_add = subdir_cache_hash_add;
subdir_edd = eet_data_descriptor_stream_new(&eddc);
EET_DATA_DESCRIPTOR_ADD_HASH(subdir_edd, Subdir_Cache, "dirs", dirs, subdir_dir_edd);
// load subdirs from the cache file
eina_strbuf_append_printf(buf, "%s/efreet/subdirs_%s.eet",
efreet_cache_home_get(), efreet_hostname_get());
ef = eet_open(eina_strbuf_string_get(buf), EET_FILE_MODE_READ);
if (ef)
{
subdir_cache = eet_data_read(ef, subdir_edd, "subdirs");
eet_close(ef);
}
eina_strbuf_free(buf);
// if we don't have a decoded subdir cache - allocate one
if (!subdir_cache) subdir_cache = calloc(1, sizeof(Subdir_Cache));
if (!subdir_cache)
{
ERR("Cannot allocate subdir cache in memory");
return;
}
// if we don't have a hash in the subdir cache - allocate it
if (!subdir_cache->dirs)
subdir_cache->dirs = eina_hash_string_superfast_new(EINA_FREE_CB(subdir_cache_dir_free));
}
static void
subdir_cache_shutdown(void)
{
// free up in-memory subdir scan info - don't need it anymore
if (subdir_cache)
{
if (subdir_cache->dirs) eina_hash_free(subdir_cache->dirs);
free(subdir_cache);
}
eet_data_descriptor_free(subdir_dir_edd);
eet_data_descriptor_free(subdir_edd);
subdir_cache = NULL;
subdir_dir_edd = NULL;
subdir_edd = NULL;
}
static void
subdir_cache_save(void)
{
Eina_Strbuf *buf;
Eet_File *ef;
Eina_Tmpstr *tmpstr = NULL;
int tmpfd;
// only if subdirs need saving... and we have subdirs.
if (!subdir_need_save) return;
if (!subdir_cache) return;
if (!subdir_cache->dirs) return;
buf = eina_strbuf_new();
if (!buf) return;
// save to tmp file first
eina_strbuf_append_printf(buf, "%s/efreet/subdirs_%s.eet.XXXXXX.cache",
efreet_cache_home_get(), efreet_hostname_get());
tmpfd = eina_file_mkstemp(eina_strbuf_string_get(buf), &tmpstr);
if (tmpfd < 0)
{
eina_strbuf_free(buf);
return;
}
eina_strbuf_reset(buf);
// write out eet file to tmp file
ef = eet_open(tmpstr, EET_FILE_MODE_WRITE);
eet_data_write(ef, subdir_edd, "subdirs", subdir_cache, EET_COMPRESSION_SUPERFAST);
eet_close(ef);
/*
* On Windows, buf2 has one remaining ref, hence it can not be renamed below.
* Stupid NTFS... So we close it first. "Magically", on Windows, this
* temporary file is not deleted...
*/
#ifdef _WIN32
close(tmpfd);
#endif
// atomically rename subdirs file on top from tmp file
eina_strbuf_append_printf(buf, "%s/efreet/subdirs_%s.eet",
efreet_cache_home_get(), efreet_hostname_get());
if (rename(tmpstr, eina_strbuf_string_get(buf)) < 0)
{
unlink(tmpstr);
ERR("Can't save subdir cache %s", eina_strbuf_string_get(buf));
}
// we dont need saving anymore - we just did
subdir_need_save = EINA_FALSE;
eina_tmpstr_del(tmpstr);
eina_strbuf_free(buf);
}
static const Subdir_Cache_Dir *
subdir_cache_get(const struct stat *st, const char *path)
{
Eina_Iterator *it;
Eina_File_Direct_Info *info;
Subdir_Cache_Dir *cd;
Eina_List *files = NULL;
int i = 0;
const char *file;
// if no subdir cache at all - return null
if (!subdir_cache) return NULL;
if (!subdir_cache->dirs) return NULL;
// if found but something invalid in stored stat info...
cd = eina_hash_find(subdir_cache->dirs, path);
if ((cd) &&
((cd->dev != (unsigned long long)st->st_dev) ||
(cd->ino != (unsigned long long)st->st_ino) ||
(cd->mode != (unsigned long long)st->st_mode) ||
(cd->uid != (unsigned long long)st->st_uid) ||
(cd->gid != (unsigned long long)st->st_gid) ||
(cd->size != (unsigned long long)st->st_size) ||
(cd->mtim != (unsigned long long)st->st_mtime) ||
(cd->ctim != (unsigned long long)st->st_ctime)))
{
// delete old node and prepare to scan a new one
eina_hash_del(subdir_cache->dirs, path, cd);
cd = NULL;
}
// if cached dir is ok by now - return it
if (cd) return cd;
// we need a new node (fesh or invalid)
cd = calloc(1, sizeof(Subdir_Cache_Dir));
if (!cd) return NULL;
// store stat info
cd->dev = (unsigned long long)st->st_dev;
cd->ino = (unsigned long long)st->st_ino;
cd->mode = (unsigned long long)st->st_mode;
cd->uid = (unsigned long long)st->st_uid;
cd->gid = (unsigned long long)st->st_gid;
cd->size = (unsigned long long)st->st_size;
cd->mtim = (unsigned long long)st->st_mtime;
cd->ctim = (unsigned long long)st->st_ctime;
// go through content finding directories
it = eina_file_stat_ls(path);
if (!it) return cd;
EINA_ITERATOR_FOREACH(it, info)
{
// if ., .. or other "hidden" dot files - ignore
if (info->path[info->name_start] == '.') continue;
// if it's a dir or link to a dir - store it.
if (((info->type == EINA_FILE_LNK) && (ecore_file_is_dir(info->path))) ||
(info->type == EINA_FILE_DIR))
{
// store just the name, not the full path
files = eina_list_append
(files, eina_stringshare_add(info->path + info->name_start));
}
}
eina_iterator_free(it);
// now convert our temporary list into an array of stringshare strings
cd->dirs_count = eina_list_count(files);
if (cd->dirs_count > 0)
{
cd->dirs = malloc(cd->dirs_count * sizeof(char *));
EINA_LIST_FREE(files, file)
{
cd->dirs[i] = file;
i++;
}
}
// add cache dir to hash with full path as key
eina_hash_add(subdir_cache->dirs, path, cd);
// mark subdirs as needing a save - something changed
subdir_need_save = EINA_TRUE;
return cd;
}
static Eina_Bool
icon_cache_update_cache_cb(void *data EINA_UNUSED)
{
Eina_Strbuf *file = eina_strbuf_new();
if (!file) return EINA_FALSE;
icon_cache_timer = NULL;
if (icon_cache_exe)
{
icon_queue = EINA_TRUE;
eina_strbuf_free(file);
return ECORE_CALLBACK_CANCEL;
}
icon_queue = EINA_FALSE;
if ((!icon_flush) && (!icon_exts))
{
eina_strbuf_free(file);
return ECORE_CALLBACK_CANCEL;
}
if (icon_change_monitors) eina_hash_free(icon_change_monitors);
if (icon_change_monitors_mon) eina_hash_free(icon_change_monitors_mon);
icon_change_monitors = eina_hash_string_superfast_new
(EINA_FREE_CB(eio_monitor_del));
icon_change_monitors_mon = eina_hash_pointer_new(NULL);
icon_changes_listen();
subdir_cache_save();
/* TODO: Queue if already running */
eina_strbuf_append_printf(file, "%s/efreet/" MODULE_ARCH "/efreet_icon_cache_create",
eina_prefix_lib_get(pfx));
if (icon_extra_dirs)
{
Eina_List *ll;
char *p;
eina_strbuf_append(file, " -d");
EINA_LIST_FOREACH(icon_extra_dirs, ll, p)
{
eina_strbuf_append(file, " ");
eina_strbuf_append(file, p);
}
}
if (icon_exts)
{
Eina_List *ll;
char *p;
eina_strbuf_append(file, " -e");
EINA_LIST_FOREACH(icon_exts, ll, p)
{
eina_strbuf_append(file, " ");
eina_strbuf_append(file, p);
}
}
if (icon_flush)
eina_strbuf_append(file, " -f");
icon_flush = EINA_FALSE;
fprintf(efreetd_log_file, "[%09.3f] Run:\n %s\n", ecore_time_get(),
eina_strbuf_string_get(file));
fflush(efreetd_log_file);
icon_cache_exe = ecore_exe_pipe_run
(eina_strbuf_string_get(file),
ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_READ_LINE_BUFFERED,
NULL);
eina_strbuf_free(file);
return ECORE_CALLBACK_CANCEL;
}
static Eina_Bool
desktop_cache_update_cache_cb(void *data EINA_UNUSED)
{
Eina_Strbuf *file;
desktop_cache_timer = NULL;
if (desktop_cache_exe)
{
desktop_queue = EINA_TRUE;
return ECORE_CALLBACK_CANCEL;
}
desktop_queue = EINA_FALSE;
file = eina_strbuf_new();
if (desktop_change_monitors) eina_hash_free(desktop_change_monitors);
if (desktop_change_monitors_mon) eina_hash_free(desktop_change_monitors_mon);
desktop_change_monitors = eina_hash_string_superfast_new
(EINA_FREE_CB(eio_monitor_del));
desktop_change_monitors_mon = eina_hash_pointer_new(NULL);
desktop_changes_listen();
subdir_cache_save();
eina_strbuf_append_printf(file, "%s/efreet/" MODULE_ARCH "/efreet_desktop_cache_create",
eina_prefix_lib_get(pfx));
if (desktop_extra_dirs)
{
Eina_List *ll;
const char *str;
eina_strbuf_append(file, " -d");
EINA_LIST_FOREACH(desktop_extra_dirs, ll, str)
{
eina_strbuf_append(file, " ");
eina_strbuf_append(file, str);
}
}
INF("Run desktop cache creation: %s", eina_strbuf_string_get(file));
fprintf(efreetd_log_file, "[%09.3f] Run:\n %s\n", ecore_time_get(),
eina_strbuf_string_get(file));
fflush(efreetd_log_file);
desktop_cache_exe = ecore_exe_pipe_run
(eina_strbuf_string_get(file),
ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_READ_LINE_BUFFERED,
NULL);
eina_strbuf_free(file);
return ECORE_CALLBACK_CANCEL;
}
static void
cache_icon_update(Eina_Bool flush)
{
if (icon_cache_timer) ecore_timer_del(icon_cache_timer);
if (flush) icon_flush = flush;
icon_cache_timer = ecore_timer_add(0.2, icon_cache_update_cache_cb, NULL);
}
void
cache_desktop_update(void)
{
if (desktop_cache_timer) ecore_timer_del(desktop_cache_timer);
desktop_cache_timer = ecore_timer_add(0.2, desktop_cache_update_cache_cb, NULL);
}
static Eina_Bool
_cb_monitor_event(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
Eio_Monitor_Event *ev = event;
// if it's an icon
if (eina_hash_find(icon_change_monitors_mon, &(ev->monitor)))
{
cache_icon_update(EINA_FALSE);
}
// if it's a desktop
else if (eina_hash_find(desktop_change_monitors_mon, &(ev->monitor)))
{
cache_desktop_update();
}
// if it's a mime file
else if (eina_hash_find(mime_monitors_mon, &(ev->monitor)))
{
if ((!strcmp("/etc/mime.types", ev->filename)) ||
(!strcmp("globs", ecore_file_file_get(ev->filename))))
{
mime_cache_shutdown();
mime_cache_init();
if (mime_update_timer) ecore_timer_del(mime_update_timer);
mime_update_timer = ecore_timer_add(0.2, mime_update_cache_cb, NULL);
}
}
return ECORE_CALLBACK_PASS_ON;
}
static void
icon_changes_monitor_add(const struct stat *st, const char *path)
{
Eio_Monitor *mon;
char *realp = NULL;
const char *monpath = path;
if (eina_hash_find(icon_change_monitors, path)) return;
#ifndef _WIN32
if (S_ISLNK(st->st_mode))
{
realp = ecore_file_realpath(path);
if (!realp) return;
monpath = realp;
}
#endif
if (ecore_file_is_dir(monpath))
{
mon = eio_monitor_add(monpath);
if (mon)
{
eina_hash_add(icon_change_monitors, path, mon);
eina_hash_add(icon_change_monitors_mon, &mon, mon);
}
}
free(realp);
}
static void
desktop_changes_monitor_add(const struct stat *st, const char *path)
{
Eio_Monitor *mon;
char *realp = NULL;
const char *monpath = path;
if (eina_hash_find(desktop_change_monitors, path)) return;
#ifndef _WIN32
if (S_ISLNK(st->st_mode))
{
realp = ecore_file_realpath(path);
if (!realp) return;
monpath = realp;
}
#endif
if (ecore_file_is_dir(monpath))
{
mon = eio_monitor_add(monpath);
if (mon)
{
eina_hash_add(desktop_change_monitors, path, mon);
eina_hash_add(desktop_change_monitors_mon, &mon, mon);
}
}
free(realp);
}
static int
stat_cmp(const void *a, const void *b)
{
const struct stat *st1 = a;
const struct stat *st2 = b;
if ((st2->st_dev == st1->st_dev) && (st2->st_ino == st1->st_ino))
return 0;
return 1;
}
static Eina_Bool
_check_recurse_monitor_sanity(Eina_Inarray *stack, const char *path, unsigned int stack_limit)
{
const char *home = eina_environment_home_get();
// protect against too deep recursion even if it's valid.
if (eina_inarray_count(stack) >= stack_limit)
{
ERR("Recursing too far. Level %i. Stopping at %s\n", stack_limit, path);
return EINA_FALSE;
}
// detect if we start recursing at $HOME - a sign of something wrong
if ((home) && (!strcmp(home, path)))
{
ERR("Recursively monitor homedir! Ignore.");
return EINA_FALSE;
}
return EINA_TRUE;
}
static void
icon_changes_listen_recursive(Eina_Inarray *stack, const char *path, Eina_Bool base)
{
struct stat *st = eina_mempool_malloc(efreetd_mp_stat, sizeof(struct stat));
if (!st) return;
if (stat(path, st) == -1) return;
if (eina_inarray_search(stack, st, stat_cmp) >= 0) return;
if (!_check_recurse_monitor_sanity(stack, path, 10)) return;
eina_inarray_push(stack, st);
if ((!S_ISDIR(st->st_mode)) && (base))
{
// XXX: if it doesn't exist... walk the parent dirs back down
// to this path until we find one that doesn't exist, then
// monitor its parent, and treat it specially as it needs
// to look for JUST the creation of this specific child
// and when this child is created, replace this monitor with
// monitoring the next specific child dir down until we are
// monitoring the original path again.
}
if (S_ISDIR(st->st_mode))
{
unsigned int i;
const Subdir_Cache_Dir *cd = subdir_cache_get(st, path);
icon_changes_monitor_add(st, path);
if (cd)
{
Eina_Strbuf *buf = eina_strbuf_new();
if (!buf) return;
for (i = 0; i < cd->dirs_count; i++)
{
eina_strbuf_append_printf(buf, "%s/%s", path, cd->dirs[i]);
icon_changes_listen_recursive(stack, eina_strbuf_string_get(buf), EINA_FALSE);
eina_strbuf_reset(buf);
}
eina_strbuf_free(buf);
}
}
eina_inarray_pop(stack);
eina_mempool_free(efreetd_mp_stat, st);
}
static void
desktop_changes_listen_recursive(Eina_Inarray *stack, const char *path, Eina_Bool base)
{
struct stat *st = eina_mempool_malloc(efreetd_mp_stat, sizeof(struct stat));
if (!st) return;
if (stat(path, st) == -1) return;
if (eina_inarray_search(stack, st, stat_cmp) >= 0) return;
if (!_check_recurse_monitor_sanity(stack, path, 10)) return;
eina_inarray_push(stack, st);
if ((!S_ISDIR(st->st_mode)) && (base))
{
// XXX: if it doesn't exist... walk the parent dirs back down
// to this path until we find one that doesn't exist, then
// monitor its parent, and treat it specially as it needs
// to look for JUST the creation of this specific child
// and when this child is created, replace this monitor with
// monitoring the next specific child dir down until we are
// monitoring the original path again.
}
if (S_ISDIR(st->st_mode))
{
unsigned int i;
const Subdir_Cache_Dir *cd = subdir_cache_get(st, path);
desktop_changes_monitor_add(st, path);
if (cd)
{
Eina_Strbuf *buf = eina_strbuf_new();
if (!buf) return;
for (i = 0; i < cd->dirs_count; i++)
{
eina_strbuf_append_printf(buf, "%s/%s", path, cd->dirs[i]);
desktop_changes_listen_recursive(stack, eina_strbuf_string_get(buf), EINA_FALSE);
eina_strbuf_reset(buf);
}
eina_strbuf_free(buf);
}
}
eina_inarray_pop(stack);
eina_mempool_free(efreetd_mp_stat, st);
}
static void
icon_changes_listen(void)
{
Eina_List *l;
Eina_List *xdg_dirs;
const char *dir;
Eina_Inarray *stack;
Eina_Strbuf *buf = eina_strbuf_new();
if (!buf) return;
stack = eina_inarray_new(sizeof(struct stat), 16);
if (!stack)
{
eina_strbuf_free(buf);
return;
}
icon_changes_listen_recursive(stack, efreet_icon_deprecated_user_dir_get(), EINA_TRUE);
eina_inarray_flush(stack);
icon_changes_listen_recursive(stack, efreet_icon_user_dir_get(), EINA_TRUE);
EINA_LIST_FOREACH(icon_extra_dirs, l, dir)
{
if (!strcmp(dir, "/")) continue;
eina_inarray_flush(stack);
icon_changes_listen_recursive(stack, dir, EINA_TRUE);
}
xdg_dirs = efreet_data_dirs_get();
EINA_LIST_FOREACH(xdg_dirs, l, dir)
{
eina_strbuf_append_printf(buf, "%s/icons", dir);
eina_inarray_flush(stack);
icon_changes_listen_recursive(stack, eina_strbuf_string_get(buf), EINA_TRUE);
eina_strbuf_reset(buf);
}
#ifndef STRICT_SPEC
EINA_LIST_FOREACH(xdg_dirs, l, dir)
{
eina_strbuf_append_printf(buf, "%s/pixmaps", dir);
eina_inarray_flush(stack);
icon_changes_listen_recursive(stack, eina_strbuf_string_get(buf), EINA_TRUE);
eina_strbuf_reset(buf);
}
#endif
eina_inarray_flush(stack);
icon_changes_listen_recursive(stack, "/usr/local/share/pixmaps", EINA_TRUE);
icon_changes_listen_recursive(stack, "/usr/share/pixmaps", EINA_TRUE);
eina_inarray_free(stack);
eina_strbuf_free(buf);
}
static void
desktop_changes_listen(void)
{
Eina_List *l;
const char *path;
Eina_Inarray *stack;
stack = eina_inarray_new(sizeof(struct stat), 16);
if (!stack) return;
EINA_LIST_FOREACH(desktop_system_dirs, l, path)
{
eina_inarray_flush(stack);
desktop_changes_listen_recursive(stack, path, EINA_TRUE);
}
EINA_LIST_FOREACH(desktop_extra_dirs, l, path)
{
eina_inarray_flush(stack);
desktop_changes_listen_recursive(stack, path, EINA_TRUE);
}
eina_inarray_free(stack);
}
static void
fill_list(const char *file, Eina_List **l)
{
Eina_File *f = NULL;
Eina_Iterator *it = NULL;
Eina_File_Line *line = NULL;
Eina_Strbuf *buf = eina_strbuf_new();
if (!buf) return;
eina_strbuf_append_printf(buf, "%s/efreet/%s", efreet_cache_home_get(), file);
f = eina_file_open(eina_strbuf_string_get(buf), EINA_FALSE);
if (!f) goto error_buf;
it = eina_file_map_lines(f);
if (!it) goto error;
EINA_ITERATOR_FOREACH(it, line)
{
if (line->end > line->start)
{
const char *s = eina_stringshare_add_length(line->start, line->end - line->start);
if (s) *l = eina_list_append(*l, s);
}
}
eina_iterator_free(it);
error:
eina_file_close(f);
error_buf:
eina_strbuf_free(buf);
}
static void
read_lists(void)
{
// dont use extra dirs as the only way to get extra dirs is by loading a
// specific desktop file at a specific path, and this is wrong
// fill_list("extra_desktops.dirs", &desktop_extra_dirs);
fill_list("extra_icons.dirs", &icon_extra_dirs);
fill_list("icons.exts", &icon_exts);
}
static void
save_list(const char *file, Eina_List *l)
{
FILE *f;
Eina_List *ll;
const char *path;
Eina_Strbuf *buf = eina_strbuf_new();
if (!buf) return;
eina_strbuf_append_printf(buf, "%s/efreet/%s", efreet_cache_home_get(), file);
f = fopen(eina_strbuf_string_get(buf), "wb");
if (!f)
{
eina_strbuf_free(buf);
return;
}
EINA_LIST_FOREACH(l, ll, path)
fprintf(f, "%s\n", path);
fclose(f);
eina_strbuf_free(buf);
}
static int
strcmplen(const void *data1, const void *data2)
{
return strncmp(data1, data2, eina_stringshare_strlen(data1));
}
static Eina_Bool
cache_exe_data_cb(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
Ecore_Exe_Event_Data *ev = event;
if (ev->exe == desktop_cache_exe)
{
Eina_Bool update = EINA_FALSE;
fprintf(efreetd_log_file, "[%09.3f] Data desktop_cache_create\n", ecore_time_get());
fflush(efreetd_log_file);
if ((ev->lines) && (*ev->lines->line == 'c')) update = EINA_TRUE;
if (!desktop_exists)
send_signal_desktop_cache_build();
desktop_exists = EINA_TRUE;
send_signal_desktop_cache_update(update);
}
else if (ev->exe == icon_cache_exe)
{
Eina_Bool update = EINA_FALSE;
fprintf(efreetd_log_file, "[%09.3f] Data icon_cache_create\n", ecore_time_get());
fflush(efreetd_log_file);
if ((ev->lines) && (*ev->lines->line == 'c')) update = EINA_TRUE;
send_signal_icon_cache_update(update);
}
else if (ev->exe == mime_cache_exe)
{
fprintf(efreetd_log_file, "[%09.3f] Data mime_cache_create\n", ecore_time_get());
fflush(efreetd_log_file);
// XXX: ZZZ: handle stdout here from cache updater... if needed
}
return ECORE_CALLBACK_RENEW;
}
static Eina_Bool
cache_exe_del_cb(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
Ecore_Exe_Event_Del *ev = event;
if (ev->exe == desktop_cache_exe)
{
fprintf(efreetd_log_file, "[%09.3f] Exit desktop_cache_create\n", ecore_time_get());
fflush(efreetd_log_file);
desktop_cache_exe = NULL;
if (desktop_queue) cache_desktop_update();
}
else if (ev->exe == icon_cache_exe)
{
fprintf(efreetd_log_file, "[%09.3f] Exit icon_cache_create\n", ecore_time_get());
fflush(efreetd_log_file);
icon_cache_exe = NULL;
if (icon_queue) cache_icon_update(EINA_FALSE);
}
else if (ev->exe == mime_cache_exe)
{
fprintf(efreetd_log_file, "[%09.3f] Exit mime_cache_create\n", ecore_time_get());
fflush(efreetd_log_file);
mime_cache_exe = NULL;
send_signal_mime_cache_build();
}
return ECORE_CALLBACK_RENEW;
}
/* external */
void
cache_desktop_dir_add(const char *dir)
{
char *san;
Eina_List *l;
san = eina_file_path_sanitize(dir);
if (!san) return;
if ((l = eina_list_search_unsorted_list(desktop_system_dirs, strcmplen, san)))
{
/* Path is registered, but maybe not monitored */
const char *path = eina_list_data_get(l);
if (!eina_hash_find(desktop_change_monitors, path))
cache_desktop_update();
}
else if (!eina_list_search_unsorted_list(desktop_extra_dirs, EINA_COMPARE_CB(strcmp), san))
{
/* Not a registered path */
desktop_extra_dirs = eina_list_append(desktop_extra_dirs, eina_stringshare_add(san));
save_list("extra_desktops.dirs", desktop_extra_dirs);
cache_desktop_update();
}
free(san);
}
void
cache_icon_dir_add(const char *dir)
{
char *san;
san = eina_file_path_sanitize(dir);
if (!san) return;
if (!eina_list_search_unsorted_list(icon_extra_dirs, EINA_COMPARE_CB(strcmp), san))
{
if (!strcmp(san, "/")) goto out;
icon_extra_dirs = eina_list_append(icon_extra_dirs, eina_stringshare_add(san));
save_list("extra_icons.dirs", icon_extra_dirs);
cache_icon_update(EINA_TRUE);
}
out:
free(san);
}
void
cache_icon_ext_add(const char *ext)
{
if (!eina_list_search_unsorted_list(icon_exts, EINA_COMPARE_CB(strcmp), ext))
{
icon_exts = eina_list_append(icon_exts, eina_stringshare_add(ext));
save_list("icons.exts", icon_exts);
cache_icon_update(EINA_TRUE);
}
}
Eina_Bool
cache_desktop_exists(void)
{
return desktop_exists;
}
static void
mime_update_launch(void)
{
Eina_Strbuf *file = eina_strbuf_new();
if (!file) return;
eina_strbuf_append_printf(file,
"%s/efreet/" MODULE_ARCH "/efreet_mime_cache_create",
eina_prefix_lib_get(pfx));
mime_cache_exe = ecore_exe_pipe_run(eina_strbuf_string_get(file),
ECORE_EXE_PIPE_READ |
ECORE_EXE_PIPE_READ_LINE_BUFFERED,
NULL);
eina_strbuf_free(file);
}
static Eina_Bool
mime_update_cache_cb(void *data EINA_UNUSED)
{
mime_update_timer = NULL;
if (mime_cache_exe)
{
ecore_exe_kill(mime_cache_exe);
ecore_exe_free(mime_cache_exe);
}
mime_update_launch();
return EINA_FALSE;
}
static void
mime_cache_init(void)
{
Eio_Monitor *mon;
Eina_List *datadirs, *l;
const char *s;
Eina_Strbuf *buf = eina_strbuf_new();
if (!buf) return;
mime_monitors = eina_hash_string_superfast_new
(EINA_FREE_CB(eio_monitor_del));
mime_monitors_mon = eina_hash_pointer_new(NULL);
if (ecore_file_is_dir("/etc"))
{
mon = eio_monitor_add("/etc"); // specifically look at /etc/mime.types
if (mon)
{
eina_hash_add(mime_monitors, "/etc", mon);
eina_hash_add(mime_monitors_mon, &mon, mon);
}
}
if (ecore_file_is_dir("/usr/share/mime"))
{
mon = eio_monitor_add("/usr/share/mime"); // specifically look at /usr/share/mime/globs
if (mon)
{
eina_hash_add(mime_monitors, "/usr/share/mime", mon);
eina_hash_add(mime_monitors_mon, &mon, mon);
}
}
datadirs = efreet_data_dirs_get();
EINA_LIST_FOREACH(datadirs, l, s)
{
eina_strbuf_append_printf(buf, "%s/mime", s); // specifically lok at XXX/mime/globs
if (ecore_file_is_dir(eina_strbuf_string_get(buf)))
{
if (!eina_hash_find(mime_monitors, eina_strbuf_string_get(buf)))
{
mon = eio_monitor_add(eina_strbuf_string_get(buf));
if (mon)
{
eina_hash_add(mime_monitors, eina_strbuf_string_get(buf), mon);
eina_hash_add(mime_monitors_mon, &mon, mon);
}
}
}
}
eina_strbuf_free(buf);
}
static void
mime_cache_shutdown(void)
{
if (mime_update_timer)
{
ecore_timer_del(mime_update_timer);
mime_update_timer = NULL;
}
if (mime_monitors)
{
eina_hash_free(mime_monitors);
mime_monitors = NULL;
}
if (mime_monitors_mon)
{
eina_hash_free(mime_monitors_mon);
mime_monitors_mon = NULL;
}
}
Eina_Bool
cache_init(void)
{
char **argv;
ecore_app_args_get(NULL, &argv);
pfx = eina_prefix_new(argv[0], cache_init,
"EFREET", "efreet", "checkme",
PACKAGE_BIN_DIR,
PACKAGE_LIB_DIR,
PACKAGE_DATA_DIR,
PACKAGE_DATA_DIR);
cache_exe_del_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL,
cache_exe_del_cb, NULL);
if (!cache_exe_del_handler)
{
ERR("Failed to add exe del handler");
goto error;
}
cache_exe_data_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DATA,
cache_exe_data_cb, NULL);
if (!cache_exe_data_handler)
{
ERR("Failed to add exe data handler");
goto error;
}
icon_change_monitors = eina_hash_string_superfast_new
(EINA_FREE_CB(eio_monitor_del));
icon_change_monitors_mon = eina_hash_pointer_new(NULL);
desktop_change_monitors = eina_hash_string_superfast_new
(EINA_FREE_CB(eio_monitor_del));
desktop_change_monitors_mon = eina_hash_pointer_new(NULL);
efreet_cache_update = 0;
if (!efreet_init()) goto error;
eio_init();
#define MONITOR_EVENT(ev, fn) \
_handlers = eina_list_append(_handlers, ecore_event_handler_add(ev, fn, NULL))
MONITOR_EVENT(EIO_MONITOR_FILE_CREATED, _cb_monitor_event);
MONITOR_EVENT(EIO_MONITOR_FILE_DELETED, _cb_monitor_event);
MONITOR_EVENT(EIO_MONITOR_FILE_MODIFIED, _cb_monitor_event);
MONITOR_EVENT(EIO_MONITOR_DIRECTORY_CREATED, _cb_monitor_event);
MONITOR_EVENT(EIO_MONITOR_DIRECTORY_DELETED, _cb_monitor_event);
MONITOR_EVENT(EIO_MONITOR_DIRECTORY_MODIFIED, _cb_monitor_event);
MONITOR_EVENT(EIO_MONITOR_SELF_RENAME, _cb_monitor_event);
MONITOR_EVENT(EIO_MONITOR_SELF_DELETED, _cb_monitor_event);
subdir_cache_init();
mime_cache_init();
mime_update_launch();
read_lists();
/* TODO: Should check if system dirs has changed and handles extra_dirs */
desktop_system_dirs = efreet_default_dirs_get(efreet_data_home_get(),
efreet_data_dirs_get(), "applications");
desktop_system_dirs =
eina_list_merge(
desktop_system_dirs, efreet_default_dirs_get(efreet_data_home_get(),
efreet_data_dirs_get(), "desktop-directories"));
icon_changes_listen();
desktop_changes_listen();
cache_icon_update(EINA_FALSE);
cache_desktop_update();
subdir_cache_save();
return EINA_TRUE;
error:
if (cache_exe_del_handler) ecore_event_handler_del(cache_exe_del_handler);
cache_exe_del_handler = NULL;
if (cache_exe_data_handler) ecore_event_handler_del(cache_exe_data_handler);
cache_exe_data_handler = NULL;
return EINA_FALSE;
}
Eina_Bool
cache_shutdown(void)
{
const char *data;
Ecore_Event_Handler *handler;
eina_prefix_free(pfx);
pfx = NULL;
mime_cache_shutdown();
subdir_cache_shutdown();
efreet_shutdown();
if (cache_exe_del_handler) ecore_event_handler_del(cache_exe_del_handler);
cache_exe_del_handler = NULL;
if (cache_exe_data_handler) ecore_event_handler_del(cache_exe_data_handler);
cache_exe_data_handler = NULL;
if (icon_change_monitors) eina_hash_free(icon_change_monitors);
icon_change_monitors = NULL;
if (icon_change_monitors_mon) eina_hash_free(icon_change_monitors_mon);
icon_change_monitors_mon = NULL;
if (desktop_change_monitors) eina_hash_free(desktop_change_monitors);
desktop_change_monitors = NULL;
if (desktop_change_monitors_mon) eina_hash_free(desktop_change_monitors_mon);
desktop_change_monitors_mon = NULL;
EINA_LIST_FREE(desktop_system_dirs, data)
eina_stringshare_del(data);
EINA_LIST_FREE(desktop_extra_dirs, data)
eina_stringshare_del(data);
EINA_LIST_FREE(icon_extra_dirs, data)
eina_stringshare_del(data);
EINA_LIST_FREE(icon_exts, data)
eina_stringshare_del(data);
EINA_LIST_FREE(_handlers, handler)
ecore_event_handler_del(handler);
eio_shutdown();
return EINA_TRUE;
}
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