efl/eeze: remove unused file.

unused since old api was removed.


SVN revision: 82230
This commit is contained in:
Gustavo Sverzut Barbieri 2013-01-04 19:46:51 +00:00
parent a33afe35f9
commit b40dcff62f
1 changed files with 0 additions and 495 deletions

View File

@ -1,495 +0,0 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef USE_UNSTABLE_LIBMOUNT_API
# define USE_UNSTABLE_LIBMOUNT_API 1
#endif
#include <Ecore.h>
#include <Eeze.h>
#include <Eeze_Disk.h>
#include <libmount.h>
#include <unistd.h>
#include "eeze_udev_private.h"
#include "eeze_disk_private.h"
/*
*
* PRIVATE
*
*/
static struct libmnt_optmap eeze_optmap[] =
{
{ "loop[=]", EEZE_DISK_MOUNTOPT_LOOP, 0 },
{ "utf8", EEZE_DISK_MOUNTOPT_UTF8, 0 },
{ "noexec", EEZE_DISK_MOUNTOPT_NOEXEC, 0 },
{ "nosuid", EEZE_DISK_MOUNTOPT_NOSUID, 0 },
{ "remount", EEZE_DISK_MOUNTOPT_REMOUNT, 0 },
{ "uid[=]", EEZE_DISK_MOUNTOPT_UID, 0 },
{ "nodev", EEZE_DISK_MOUNTOPT_NODEV, 0 },
{ NULL, 0, 0 }
};
typedef struct libmnt_table libmnt_table;
typedef struct libmnt_lock libmnt_lock;
typedef struct libmnt_fs libmnt_fs;
typedef struct libmnt_cache libmnt_cache;
static Ecore_File_Monitor *_mtab_mon = NULL;
static Ecore_File_Monitor *_fstab_mon = NULL;
static Eina_Bool _watching = EINA_FALSE;
static Eina_Bool _mtab_scan_active = EINA_FALSE;
static Eina_Bool _mtab_locked = EINA_FALSE;
static Eina_Bool _fstab_scan_active = EINA_FALSE;
static libmnt_cache *_eeze_mount_mtab_cache = NULL;
static libmnt_cache *_eeze_mount_fstab_cache = NULL;
static libmnt_table *_eeze_mount_mtab = NULL;
static libmnt_table *_eeze_mount_fstab = NULL;
static libmnt_lock *_eeze_mtab_lock = NULL;
extern Eina_List *_eeze_disks;
static libmnt_table *_eeze_mount_tab_parse(const char *filename);
static void _eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon EINA_UNUSED, Ecore_File_Event event EINA_UNUSED, const char *path);
static Eina_Bool
_eeze_mount_lock_mtab(void)
{
// DBG("Locking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
if (EINA_LIKELY(access("/etc/mtab", W_OK)))
{
INF("Insufficient privs for mtab lock, continuing without lock");
return EINA_TRUE;
}
if (mnt_lock_file(_eeze_mtab_lock))
{
ERR("Couldn't lock mtab!");
return EINA_FALSE;
}
_mtab_locked = EINA_TRUE;
return EINA_TRUE;
}
static void
_eeze_mount_unlock_mtab(void)
{
// DBG("Unlocking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
if (_mtab_locked) mnt_unlock_file(_eeze_mtab_lock);
_mtab_locked = EINA_FALSE;
}
static int
_eeze_mount_tab_parse_errcb(libmnt_table *tab EINA_UNUSED, const char *filename, int line)
{
ERR("%s:%d: could not parse line!", filename, line); /* most worthless error reporting ever. */
return -1;
}
/*
* I could use mnt_new_table_from_file() but this way gives much more detailed output
* on failure so why not
*/
static libmnt_table *
_eeze_mount_tab_parse(const char *filename)
{
libmnt_table *tab;
if (!(tab = mnt_new_table())) return NULL;
if (mnt_table_set_parser_errcb(tab, _eeze_mount_tab_parse_errcb))
{
ERR("Alloc!");
mnt_free_table(tab);
return NULL;
}
if (!mnt_table_parse_file(tab, filename))
return tab;
mnt_free_table(tab);
return NULL;
}
static void
_eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon EINA_UNUSED, Ecore_File_Event event EINA_UNUSED, const char *path)
{
libmnt_table *bak;
if (
((_mtab_scan_active) && (data)) || /* mtab has non-null data to avoid needing strcmp */
((_fstab_scan_active) && (!data))
)
/* prevent scans from triggering a scan */
return;
bak = _eeze_mount_mtab;
if (data)
if (!_eeze_mount_lock_mtab())
{ /* FIXME: maybe queue job here? */
ERR("Losing events...");
return;
}
_eeze_mount_mtab = _eeze_mount_tab_parse(path);
if (data)
_eeze_mount_unlock_mtab();
if (!_eeze_mount_mtab)
{
ERR("Could not parse %s! keeping old tab...", path);
goto error;
}
if (data)
{
Eina_List *l;
Eeze_Disk *disk;
/* catch externally initiated mounts on existing disks by comparing known mount state to current state */
EINA_LIST_FOREACH(_eeze_disks, l, disk)
{
Eina_Bool mounted;
mounted = disk->mounted;
if ((eeze_disk_libmount_mounted_get(disk) != mounted) && (!disk->mount_status))
{
if (!mounted)
{
Eeze_Event_Disk_Mount *e;
e = malloc(sizeof(Eeze_Event_Disk_Mount));
if (e)
{
e->disk = disk;
ecore_event_add(EEZE_EVENT_DISK_MOUNT, e, NULL, NULL);
}
}
else
{
Eeze_Event_Disk_Unmount *e;
e = malloc(sizeof(Eeze_Event_Disk_Unmount));
if (e)
{
e->disk = disk;
ecore_event_add(EEZE_EVENT_DISK_UNMOUNT, e, NULL, NULL);
}
}
}
}
}
mnt_free_table(bak);
if (data)
{
mnt_free_cache(_eeze_mount_mtab_cache);
_eeze_mount_mtab_cache = mnt_new_cache();
mnt_table_set_cache(_eeze_mount_mtab, _eeze_mount_mtab_cache);
}
else
{
mnt_free_cache(_eeze_mount_fstab_cache);
_eeze_mount_fstab_cache = mnt_new_cache();
mnt_table_set_cache(_eeze_mount_fstab, _eeze_mount_fstab_cache);
}
return;
error:
mnt_free_table(_eeze_mount_mtab);
_eeze_mount_mtab = bak;
}
/*
*
* INVISIBLE
*
*/
Eina_Bool
eeze_libmount_init(void)
{
if (_eeze_mtab_lock)
return EINA_TRUE;
if (!(_eeze_mtab_lock = mnt_new_lock("/etc/mtab", 0)))
return EINA_FALSE;
return EINA_TRUE;
}
void
eeze_libmount_shutdown(void)
{
if (_eeze_mount_fstab)
{
mnt_free_table(_eeze_mount_fstab);
mnt_free_cache(_eeze_mount_fstab_cache);
}
if (_eeze_mount_mtab)
{
mnt_free_table(_eeze_mount_mtab);
mnt_free_cache(_eeze_mount_mtab_cache);
}
eeze_mount_tabs_unwatch();
if (!_eeze_mtab_lock)
return;
mnt_unlock_file(_eeze_mtab_lock);
mnt_free_lock(_eeze_mtab_lock);
_eeze_mtab_lock = NULL;
}
unsigned long
eeze_disk_libmount_opts_get(Eeze_Disk *disk)
{
libmnt_fs *mnt;
const char *opts;
unsigned long f = 0;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return 0;
mnt = mnt_table_find_tag(_eeze_mount_mtab, "UUID", eeze_disk_uuid_get(disk), MNT_ITER_BACKWARD);
if (!mnt)
mnt = mnt_table_find_tag(_eeze_mount_fstab, "UUID", eeze_disk_uuid_get(disk), MNT_ITER_BACKWARD);
if (!mnt) return 0;
opts = mnt_fs_get_fs_options(mnt);
if (!opts) return 0;
if (!mnt_optstr_get_flags(opts, &f, eeze_optmap)) return 0;
return f;
}
/*
* helper function to return whether a disk is mounted
*/
Eina_Bool
eeze_disk_libmount_mounted_get(Eeze_Disk *disk)
{
libmnt_fs *mnt;
if (!disk)
return EINA_FALSE;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return EINA_FALSE;
mnt = mnt_table_find_srcpath(_eeze_mount_mtab, eeze_disk_devpath_get(disk), MNT_ITER_BACKWARD);
if (!mnt)
{
disk->mounted = EINA_FALSE;
return EINA_FALSE;
}
eina_stringshare_replace(&disk->mount_point, mnt_fs_get_target(mnt));
disk->mounted = EINA_TRUE;
return EINA_TRUE;
}
/*
* helper function to return the device that is mounted at a mount point
*/
const char *
eeze_disk_libmount_mp_find_source(const char *mount_point)
{
libmnt_fs *mnt;
if (!mount_point)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_table_find_target(_eeze_mount_mtab, mount_point, MNT_ITER_BACKWARD);
if (!mnt)
mnt = mnt_table_find_target(_eeze_mount_fstab, mount_point, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
return mnt_fs_get_source(mnt);
}
/*
* helper function to return a mount point from a uuid
*/
const char *
eeze_disk_libmount_mp_lookup_by_uuid(const char *uuid)
{
libmnt_fs *mnt;
if (!uuid)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_table_find_tag(_eeze_mount_fstab, "UUID", uuid, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
return mnt_fs_get_target(mnt);
}
/*
* helper function to return a mount point from a label
*/
const char *
eeze_disk_libmount_mp_lookup_by_label(const char *label)
{
libmnt_fs *mnt;
if (!label)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_table_find_tag(_eeze_mount_fstab, "LABEL", label, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
return mnt_fs_get_target(mnt);
}
/*
* helper function to return a mount point from a /dev/ path
*/
const char *
eeze_disk_libmount_mp_lookup_by_devpath(const char *devpath)
{
libmnt_fs *mnt;
if (!devpath)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_table_find_srcpath(_eeze_mount_mtab, devpath, MNT_ITER_BACKWARD);
if (!mnt)
mnt = mnt_table_find_srcpath(_eeze_mount_fstab, devpath, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
return mnt_fs_get_target(mnt);
}
/*
*
* API
*
*/
EAPI Eina_Bool
eeze_mount_tabs_watch(void)
{
libmnt_table *bak;
if (_watching)
return EINA_TRUE;
if (!_eeze_mount_lock_mtab())
return EINA_FALSE;
bak = _eeze_mount_tab_parse("/etc/mtab");
_eeze_mount_unlock_mtab();
if (!bak)
goto error;
mnt_free_table(_eeze_mount_mtab);
_eeze_mount_mtab = bak;
if (!(bak = _eeze_mount_tab_parse("/etc/fstab")))
goto error;
mnt_free_table(_eeze_mount_fstab);
_eeze_mount_fstab = bak;
_eeze_mount_mtab_cache = mnt_new_cache();
mnt_table_set_cache(_eeze_mount_mtab, _eeze_mount_mtab_cache);
_eeze_mount_fstab_cache = mnt_new_cache();
mnt_table_set_cache(_eeze_mount_fstab, _eeze_mount_fstab_cache);
_mtab_mon = ecore_file_monitor_add("/etc/mtab", _eeze_mount_tab_watcher, (void*)1);
_fstab_mon = ecore_file_monitor_add("/etc/fstab", _eeze_mount_tab_watcher, NULL);
_watching = EINA_TRUE;
return EINA_TRUE;
error:
if (!_eeze_mount_mtab)
ERR("Could not parse /etc/mtab!");
else
{
ERR("Could not parse /etc/fstab!");
mnt_free_table(_eeze_mount_mtab);
}
return EINA_FALSE;
}
EAPI void
eeze_mount_tabs_unwatch(void)
{
if (!_watching)
return;
ecore_file_monitor_del(_mtab_mon);
_mtab_mon = NULL;
ecore_file_monitor_del(_fstab_mon);
_fstab_mon = NULL;
_watching = EINA_FALSE;
}
EAPI Eina_Bool
eeze_mount_mtab_scan(void)
{
libmnt_table *bak;
if (_watching)
return EINA_TRUE;
if (!_eeze_mount_lock_mtab())
return EINA_FALSE;
bak = _eeze_mount_tab_parse("/etc/mtab");
_eeze_mount_unlock_mtab();
if (!bak)
goto error;
if (_eeze_mount_mtab)
{
mnt_free_table(_eeze_mount_mtab);
mnt_free_cache(_eeze_mount_mtab_cache);
}
_eeze_mount_mtab = bak;
_eeze_mount_mtab_cache = mnt_new_cache();
mnt_table_set_cache(_eeze_mount_mtab, _eeze_mount_mtab_cache);
return EINA_TRUE;
error:
return EINA_FALSE;
}
EAPI Eina_Bool
eeze_mount_fstab_scan(void)
{
libmnt_table *bak;
if (_watching)
return EINA_TRUE;
bak = _eeze_mount_tab_parse("/etc/fstab");
if (!bak)
goto error;
if (_eeze_mount_fstab)
{
mnt_free_table(_eeze_mount_fstab);
mnt_free_cache(_eeze_mount_fstab_cache);
}
_eeze_mount_fstab = bak;
_eeze_mount_fstab_cache = mnt_new_cache();
mnt_table_set_cache(_eeze_mount_fstab, _eeze_mount_fstab_cache);
return EINA_TRUE;
error:
return EINA_FALSE;
}