support libmount 2.19, fix some bugs here and there, automatically grab fstab/mtab mount flags when using eeze_disk_mountopts_get with new libmount

SVN revision: 56947
This commit is contained in:
Mike Blumenkrantz 2011-02-11 03:14:00 +00:00
parent 4697916227
commit 16b61622e6
8 changed files with 536 additions and 70 deletions

View File

@ -96,7 +96,7 @@ elif test $udev_version -lt 148;then
fi
eeze_mount=
PKG_CHECK_EXISTS([mount == 2.18.0],
PKG_CHECK_EXISTS([mount >= 2.18.0],
[
AC_DEFINE([HAVE_EEZE_MOUNT], [1], [Eeze is mount-capable])
AM_CONDITIONAL([HAVE_EEZE_MOUNT], [true])
@ -110,6 +110,7 @@ if test "x$eeze_mount" = "xyes";then
AC_ARG_WITH([mount], AS_HELP_STRING([--with-mount], [specify mount bin @<:@default=detect@:>@]))
AC_ARG_WITH([umount], AS_HELP_STRING([--with-umount], [specify umount bin @<:@default=detect@:>@]))
PKG_CHECK_MODULES([LIBMOUNT], [mount >= 2.18.0])
mount_v=$(pkg-config --modversion mount)
PKG_CHECK_MODULES([ECORE_FILE], [ecore-file >= 1.0.0])
if test "x$with_mount" = "xdetect";then
@ -122,7 +123,10 @@ if test "x$eeze_mount" = "xyes";then
fi
AC_DEFINE_UNQUOTED([EEZE_UNMOUNT_BIN], ["$with_umount"], [umount bin to use])
fi
AM_CONDITIONAL([OLD_LIBMOUNT], [test -n $mount_v -a $(echo $mount_v | cut -d'.' -f2) -lt 19])
if test -z "$OLD_LIBMOUNT_TRUE" ; then
AC_DEFINE_UNQUOTED([OLD_LIBMOUNT], [1], [using first version of libmount])
fi
### Checks for header files

View File

@ -106,8 +106,8 @@ EAPI Eina_Bool eeze_disk_mount(Eeze_Disk *disk);
EAPI Eina_Bool eeze_disk_unmount(Eeze_Disk *disk);
EAPI const char *eeze_disk_mount_point_get(Eeze_Disk *disk);
EAPI Eina_Bool eeze_disk_mount_point_set(Eeze_Disk *disk, const char *mount_point);
EAPI Eina_Bool eeze_disk_mountopts_set(Eeze_Disk *disk, int opts);
EAPI int eeze_disk_mountopts_get(Eeze_Disk *disk);
EAPI Eina_Bool eeze_disk_mountopts_set(Eeze_Disk *disk, unsigned long opts);
EAPI unsigned long eeze_disk_mountopts_get(Eeze_Disk *disk);
EAPI Eina_Bool eeze_mount_tabs_watch(void);
EAPI void eeze_mount_tabs_unwatch(void);

View File

@ -4,7 +4,12 @@ AM_CPPFLAGS = @EEZE_CFLAGS@
if HAVE_EEZE_MOUNT
AM_CFLAGS = @EEZE_CFLAGS@ @LIBMOUNT_CFLAGS@ @ECORE_FILE_CFLAGS@
MOUNT_FILES = eeze_disk.c eeze_disk_mount.c eeze_disk_libmount.c
MOUNT_FILES = eeze_disk.c eeze_disk_mount.c
if OLD_LIBMOUNT
MOUNT_FILES += eeze_disk_libmount_old.c
else
MOUNT_FILES += eeze_disk_libmount.c
endif
MOUNT_INCLUDES = Eeze_Disk.h
else
AM_CFLAGS = @EEZE_CFLAGS@

View File

@ -157,20 +157,24 @@ eeze_disk_new_from_mount(const char *mount_point)
if (source[4] == '=')
{
source += 4;
source += 5;
uuid = eina_stringshare_add(source);
dev = _eeze_disk_device_from_property(uuid, EINA_TRUE);
}
else if (source[5] == '=')
{
source += 5;
source += 6;
label = eina_stringshare_add(source);
dev = _eeze_disk_device_from_property(label, EINA_FALSE);
}
else
{
const char *spath;
devpath = eina_stringshare_add(source);
dev = _new_device(devpath);
spath = eeze_udev_devpath_get_syspath(devpath);
dev = _new_device(spath);
eina_stringshare_del(spath);
}
if (!dev)
@ -190,6 +194,7 @@ eeze_disk_new_from_mount(const char *mount_point)
disk->cache.label = label;
else
disk->devpath = devpath;
disk->mount_point = eina_stringshare_add(mount_point);
return disk;
error:
@ -217,7 +222,7 @@ eeze_disk_free(Eeze_Disk *disk)
{
EINA_SAFETY_ON_NULL_RETURN(disk);
eina_stringshare_del(disk->syspath);
udev_device_unref(disk->device);
if (disk->mount_cmd)
eina_strbuf_free(disk->mount_cmd);

View File

@ -9,7 +9,7 @@
#include <Ecore.h>
#include <Eeze.h>
#include <Eeze_Disk.h>
#include <mount/mount.h>
#include <libmount.h>
#include "eeze_udev_private.h"
#include "eeze_disk_private.h"
@ -24,72 +24,86 @@
* 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 },
{ NULL, 0, 0 }
};
typedef struct libmnt_table libmnt_table;
typedef struct libmnt_lock libmnt_lock;
typedef struct libmnt_fs libmnt_fs;
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 _fstab_scan_active = EINA_FALSE;
static mnt_tab *_eeze_mount_mtab = NULL;
static mnt_tab *_eeze_mount_fstab = NULL;
static mnt_lock *_eeze_mtab_lock = NULL;
static libmnt_table *_eeze_mount_mtab = NULL;
static libmnt_table *_eeze_mount_fstab = NULL;
static libmnt_lock *_eeze_mtab_lock = NULL;
static mnt_tab *_eeze_mount_tab_parse(const char *filename);
static libmnt_table *_eeze_mount_tab_parse(const char *filename);
static void _eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon __UNUSED__, Ecore_File_Event event __UNUSED__, const char *path);
static Eina_Bool
_eeze_mount_lock_mtab(void)
{
DBG("Locking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
#if 0
#warning this code is broken with current libmount!
// DBG("Locking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
if (mnt_lock_file(_eeze_mtab_lock))
{
ERR("Couldn't lock mtab!");
return EINA_FALSE;
}
#endif
return EINA_TRUE;
}
static void
_eeze_mount_unlock_mtab(void)
{
DBG("Unlocking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
// DBG("Unlocking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
mnt_unlock_file(_eeze_mtab_lock);
}
static int
_eeze_mount_tab_parse_errcb(libmnt_table *tab __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_tab_from_file() but this way gives much more detailed output
* I could use mnt_new_table_from_file() but this way gives much more detailed output
* on failure so why not
*/
static mnt_tab *
static libmnt_table *
_eeze_mount_tab_parse(const char *filename)
{
mnt_tab *tab;
libmnt_table *tab;
if (!(tab = mnt_new_tab(filename)))
return NULL;
if (!mnt_tab_parse_file(tab))
return tab;
if (mnt_tab_get_nerrs(tab))
{ /* parse error */
char buf[1024];
mnt_tab_strerror(tab, buf, sizeof(buf));
ERR("%s", buf);
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;
}
else
/* system error */
ERR("%s", mnt_tab_get_name(tab));
mnt_free_tab(tab);
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 __UNUSED__, Ecore_File_Event event __UNUSED__, const char *path)
{
mnt_tab *bak;
libmnt_table *bak;
if (
((_mtab_scan_active) && (data)) || /* mtab has non-null data to avoid needing strcmp */
@ -114,11 +128,11 @@ _eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon __UNUSED__, Ecore_Fi
goto error;
}
mnt_free_tab(bak);
mnt_free_table(bak);
return;
error:
mnt_free_tab(_eeze_mount_mtab);
mnt_free_table(_eeze_mount_mtab);
_eeze_mount_mtab = bak;
}
@ -133,7 +147,7 @@ eeze_libmount_init(void)
{
if (_eeze_mtab_lock)
return EINA_TRUE;
if (!(_eeze_mtab_lock = mnt_new_lock(NULL, 0)))
if (!(_eeze_mtab_lock = mnt_new_lock("/etc/mtab", 0)))
return EINA_FALSE;
return EINA_TRUE;
}
@ -148,13 +162,35 @@ eeze_libmount_shutdown(void)
mnt_free_lock(_eeze_mtab_lock);
}
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)
{
mnt_fs *mnt;
libmnt_fs *mnt;
if (!disk)
return EINA_FALSE;
@ -162,11 +198,11 @@ eeze_disk_libmount_mounted_get(Eeze_Disk *disk)
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return EINA_FALSE;
mnt = mnt_tab_find_srcpath(_eeze_mount_mtab, eeze_disk_devpath_get(disk), MNT_ITER_BACKWARD);
mnt = mnt_table_find_srcpath(_eeze_mount_mtab, eeze_disk_devpath_get(disk), MNT_ITER_BACKWARD);
if (!mnt)
return EINA_FALSE;
disk->mount_point = eina_stringshare_add(mnt_fs_get_target(mnt));
eina_stringshare_replace(&disk->mount_point, mnt_fs_get_target(mnt));
return EINA_TRUE;
}
@ -177,7 +213,7 @@ eeze_disk_libmount_mounted_get(Eeze_Disk *disk)
const char *
eeze_disk_libmount_mp_find_source(const char *mount_point)
{
mnt_fs *mnt;
libmnt_fs *mnt;
if (!mount_point)
return NULL;
@ -185,9 +221,9 @@ eeze_disk_libmount_mp_find_source(const char *mount_point)
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_find_target(_eeze_mount_mtab, mount_point, MNT_ITER_BACKWARD);
mnt = mnt_table_find_target(_eeze_mount_mtab, mount_point, MNT_ITER_BACKWARD);
if (!mnt)
mnt = mnt_tab_find_target(_eeze_mount_fstab, mount_point, MNT_ITER_BACKWARD);
mnt = mnt_table_find_target(_eeze_mount_fstab, mount_point, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
@ -201,7 +237,7 @@ eeze_disk_libmount_mp_find_source(const char *mount_point)
const char *
eeze_disk_libmount_mp_lookup_by_uuid(const char *uuid)
{
mnt_fs *mnt;
libmnt_fs *mnt;
if (!uuid)
return NULL;
@ -209,7 +245,7 @@ eeze_disk_libmount_mp_lookup_by_uuid(const char *uuid)
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_find_tag(_eeze_mount_fstab, "UUID", uuid, MNT_ITER_BACKWARD);
mnt = mnt_table_find_tag(_eeze_mount_fstab, "UUID", uuid, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
@ -223,7 +259,7 @@ eeze_disk_libmount_mp_lookup_by_uuid(const char *uuid)
const char *
eeze_disk_libmount_mp_lookup_by_label(const char *label)
{
mnt_fs *mnt;
libmnt_fs *mnt;
if (!label)
return NULL;
@ -231,7 +267,7 @@ eeze_disk_libmount_mp_lookup_by_label(const char *label)
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_find_tag(_eeze_mount_fstab, "LABEL", label, MNT_ITER_BACKWARD);
mnt = mnt_table_find_tag(_eeze_mount_fstab, "LABEL", label, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
@ -245,7 +281,7 @@ eeze_disk_libmount_mp_lookup_by_label(const char *label)
const char *
eeze_disk_libmount_mp_lookup_by_devpath(const char *devpath)
{
mnt_fs *mnt;
libmnt_fs *mnt;
if (!devpath)
return NULL;
@ -253,9 +289,9 @@ eeze_disk_libmount_mp_lookup_by_devpath(const char *devpath)
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_find_srcpath(_eeze_mount_mtab, devpath, MNT_ITER_BACKWARD);
mnt = mnt_table_find_srcpath(_eeze_mount_mtab, devpath, MNT_ITER_BACKWARD);
if (!mnt)
mnt = mnt_tab_find_srcpath(_eeze_mount_fstab, devpath, MNT_ITER_BACKWARD);
mnt = mnt_table_find_srcpath(_eeze_mount_fstab, devpath, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
@ -282,7 +318,7 @@ eeze_disk_libmount_mp_lookup_by_devpath(const char *devpath)
EAPI Eina_Bool
eeze_mount_tabs_watch(void)
{
mnt_tab *bak;
libmnt_table *bak;
if (_watching)
return EINA_TRUE;
@ -295,12 +331,12 @@ eeze_mount_tabs_watch(void)
if (!bak)
goto error;
mnt_free_tab(_eeze_mount_mtab);
mnt_free_table(_eeze_mount_mtab);
_eeze_mount_mtab = bak;
if (!(bak = _eeze_mount_tab_parse("/etc/fstab")))
goto error;
mnt_free_tab(_eeze_mount_fstab);
mnt_free_table(_eeze_mount_fstab);
_eeze_mount_fstab = bak;
_mtab_mon = ecore_file_monitor_add("/etc/mtab", _eeze_mount_tab_watcher, (void*)1);
@ -315,7 +351,7 @@ error:
else
{
ERR("Could not parse /etc/fstab!");
mnt_free_tab(_eeze_mount_mtab);
mnt_free_table(_eeze_mount_mtab);
}
return EINA_FALSE;
}
@ -350,7 +386,7 @@ eeze_mount_tabs_unwatch(void)
EAPI Eina_Bool
eeze_mount_mtab_scan(void)
{
mnt_tab *bak;
libmnt_table *bak;
if (_watching)
return EINA_TRUE;
@ -362,7 +398,7 @@ eeze_mount_mtab_scan(void)
if (!bak)
goto error;
if (_eeze_mount_mtab)
mnt_free_tab(_eeze_mount_mtab);
mnt_free_table(_eeze_mount_mtab);
_eeze_mount_mtab = bak;
return EINA_TRUE;
@ -385,7 +421,7 @@ error:
EAPI Eina_Bool
eeze_mount_fstab_scan(void)
{
mnt_tab *bak;
libmnt_table *bak;
if (_watching)
return EINA_TRUE;
@ -393,7 +429,7 @@ eeze_mount_fstab_scan(void)
if (!bak)
goto error;
if (_eeze_mount_fstab)
mnt_free_tab(_eeze_mount_fstab);
mnt_free_table(_eeze_mount_fstab);
_eeze_mount_fstab = bak;
return EINA_TRUE;

View File

@ -0,0 +1,405 @@
#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 <mount/mount.h>
#include "eeze_udev_private.h"
#include "eeze_disk_private.h"
/**
* @addtogroup disk Disk
* @{
*/
/*
*
* PRIVATE
*
*/
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 _fstab_scan_active = EINA_FALSE;
static mnt_tab *_eeze_mount_mtab = NULL;
static mnt_tab *_eeze_mount_fstab = NULL;
static mnt_lock *_eeze_mtab_lock = NULL;
static mnt_tab *_eeze_mount_tab_parse(const char *filename);
static void _eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon __UNUSED__, Ecore_File_Event event __UNUSED__, const char *path);
static Eina_Bool
_eeze_mount_lock_mtab(void)
{
DBG("Locking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
#if 0
#warning this code is broken with current libmount!
if (mnt_lock_file(_eeze_mtab_lock))
{
ERR("Couldn't lock mtab!");
return EINA_FALSE;
}
#endif
return EINA_TRUE;
}
static void
_eeze_mount_unlock_mtab(void)
{
DBG("Unlocking mlock: %s", mnt_lock_get_linkfile(_eeze_mtab_lock));
mnt_unlock_file(_eeze_mtab_lock);
}
/*
* I could use mnt_new_tab_from_file() but this way gives much more detailed output
* on failure so why not
*/
static mnt_tab *
_eeze_mount_tab_parse(const char *filename)
{
mnt_tab *tab;
if (!(tab = mnt_new_tab(filename)))
return NULL;
if (!mnt_tab_parse_file(tab))
return tab;
if (mnt_tab_get_nerrs(tab))
{ /* parse error */
char buf[1024];
mnt_tab_strerror(tab, buf, sizeof(buf));
ERR("%s", buf);
}
else
/* system error */
ERR("%s", mnt_tab_get_name(tab));
mnt_free_tab(tab);
return NULL;
}
static void
_eeze_mount_tab_watcher(void *data, Ecore_File_Monitor *mon __UNUSED__, Ecore_File_Event event __UNUSED__, const char *path)
{
mnt_tab *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;
}
mnt_free_tab(bak);
return;
error:
mnt_free_tab(_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(NULL, 0)))
return EINA_FALSE;
return EINA_TRUE;
}
void
eeze_libmount_shutdown(void)
{
if (!_eeze_mtab_lock)
return;
mnt_unlock_file(_eeze_mtab_lock);
mnt_free_lock(_eeze_mtab_lock);
}
/*
* helper function to return whether a disk is mounted
*/
Eina_Bool
eeze_disk_libmount_mounted_get(Eeze_Disk *disk)
{
mnt_fs *mnt;
if (!disk)
return EINA_FALSE;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return EINA_FALSE;
mnt = mnt_tab_find_srcpath(_eeze_mount_mtab, eeze_disk_devpath_get(disk), MNT_ITER_BACKWARD);
if (!mnt)
return EINA_FALSE;
disk->mount_point = eina_stringshare_add(mnt_fs_get_target(mnt));
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)
{
mnt_fs *mnt;
if (!mount_point)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_find_target(_eeze_mount_mtab, mount_point, MNT_ITER_BACKWARD);
if (!mnt)
mnt = mnt_tab_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)
{
mnt_fs *mnt;
if (!uuid)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_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)
{
mnt_fs *mnt;
if (!label)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_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)
{
mnt_fs *mnt;
if (!devpath)
return NULL;
if (!eeze_mount_mtab_scan() || !eeze_mount_fstab_scan())
return NULL;
mnt = mnt_tab_find_srcpath(_eeze_mount_mtab, devpath, MNT_ITER_BACKWARD);
if (!mnt)
mnt = mnt_tab_find_srcpath(_eeze_mount_fstab, devpath, MNT_ITER_BACKWARD);
if (!mnt)
return NULL;
return mnt_fs_get_target(mnt);
}
/*
*
* API
*
*/
/**
* @brief Begin watching mtab and fstab
* @return #EINA_TRUE if watching was started, else #EINA_FALSE
*
* This function creates inotify watches on /etc/mtab and /etc/fstab and watches
* them for changes. This function should be used when expecting a lot of disk
* mounting/unmounting while you need disk data since it will automatically update
* certain necessary data instead of waiting.
* @see eeze_mount_mtab_scan, eeze_mount_fstab_scan
*/
EAPI Eina_Bool
eeze_mount_tabs_watch(void)
{
mnt_tab *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_tab(_eeze_mount_mtab);
_eeze_mount_mtab = bak;
if (!(bak = _eeze_mount_tab_parse("/etc/fstab")))
goto error;
mnt_free_tab(_eeze_mount_fstab);
_eeze_mount_fstab = bak;
_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_tab(_eeze_mount_mtab);
}
return EINA_FALSE;
}
/**
* @brief Stop watching /etc/fstab and /etc/mtab
*
* This function stops watching fstab and mtab. Data obtained previously will be saved.
*/
EAPI void
eeze_mount_tabs_unwatch(void)
{
if (!_watching)
return;
ecore_file_monitor_del(_mtab_mon);
ecore_file_monitor_del(_fstab_mon);
}
/**
* @brief Scan /etc/mtab a single time
* @return #EINA_TRUE if mtab could be scanned, else #EINA_FALSE
*
* This function is used to perform a single scan on /etc/mtab. It is used to gather
* information about mounted filesystems which can then be used with your #Eeze_Disk objects
* where appropriate. These files will automatically be scanned any time a mount point or mount state
* is requested unless eeze_mount_tabs_watch has been called previously, in which case data is stored for
* use.
* If this function is called after eeze_mount_tabs_watch, #EINA_TRUE will be returned.
* @see eeze_mount_tabs_watch, eeze_mount_fstab_scan
*/
EAPI Eina_Bool
eeze_mount_mtab_scan(void)
{
mnt_tab *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_tab(_eeze_mount_mtab);
_eeze_mount_mtab = bak;
return EINA_TRUE;
error:
return EINA_FALSE;
}
/**
* @brief Scan /etc/fstab a single time
* @return #EINA_TRUE if mtab could be scanned, else #EINA_FALSE
*
* This function is used to perform a single scan on /etc/fstab. It is used to gather
* information about mounted filesystems which can then be used with your #Eeze_Disk objects
* where appropriate. These files will automatically be scanned any time a mount point or mount state
* is requested unless eeze_mount_tabs_watch has been called previously, in which case data is stored for
* use.
* If this function is called after eeze_mount_tabs_watch, #EINA_TRUE will be returned.
* @see eeze_mount_tabs_watch, eeze_mount_mtab_scan
*/
EAPI Eina_Bool
eeze_mount_fstab_scan(void)
{
mnt_tab *bak;
if (_watching)
return EINA_TRUE;
bak = _eeze_mount_tab_parse("/etc/fstab");
if (!bak)
goto error;
if (_eeze_mount_fstab)
mnt_free_tab(_eeze_mount_fstab);
_eeze_mount_fstab = bak;
return EINA_TRUE;
error:
return EINA_FALSE;
}
/** @} */

View File

@ -176,7 +176,7 @@ eeze_disk_mounted_get(Eeze_Disk *disk)
* This function replaces the current mount opts of a disk with the ones in @p opts.
*/
EAPI Eina_Bool
eeze_disk_mountopts_set(Eeze_Disk *disk, int opts)
eeze_disk_mountopts_set(Eeze_Disk *disk, unsigned long opts)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(disk, EINA_FALSE);
if (opts != disk->mount_opts)
@ -188,14 +188,18 @@ eeze_disk_mountopts_set(Eeze_Disk *disk, int opts)
/**
* @brief Get the flags of a disk's current mount options
* @param disk The disk
* @return An ORed set of #Eeze_Mount_Opts, -1 on failure
* @return An ORed set of #Eeze_Mount_Opts, 0 on failure
*
* This function returns the current mount opts of a disk.
*/
EAPI int
EAPI unsigned long
eeze_disk_mountopts_get(Eeze_Disk *disk)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(disk, -1);
EINA_SAFETY_ON_NULL_RETURN_VAL(disk, 0);
#ifndef OLD_LIBMOUNT
if (!disk->mount_opts)
disk->mount_opts = eeze_disk_libmount_opts_get(disk);
#endif
return disk->mount_opts;
}
@ -262,8 +266,10 @@ eeze_disk_mount(Eeze_Disk *disk)
}
if ((!disk->mount_point) || (!disk->mount_point[0])) return EINA_FALSE;
if ((!disk->mount_opts) || (disk->mount_opts == EEZE_DISK_MOUNTOPT_DEFAULTS))
if (disk->mount_opts == EEZE_DISK_MOUNTOPT_DEFAULTS)
eina_strbuf_append_printf(disk->mount_cmd, "%s -o %s UUID=%s %s", EEZE_MOUNT_BIN, EEZE_MOUNT_DEFAULT_OPTS, disk->cache.uuid, disk->mount_point);
else if (!disk->mount_opts)
eina_strbuf_append_printf(disk->mount_cmd, "%s UUID=%s %s", EEZE_MOUNT_BIN, disk->cache.uuid, disk->mount_point);
else
{
eina_strbuf_append_printf(disk->mount_cmd, "%s -o ", EEZE_MOUNT_BIN);
@ -386,7 +392,7 @@ eeze_disk_mount_point_set(Eeze_Disk *disk, const char *mount_point)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(disk, EINA_FALSE);
disk->mount_point = mount_point;
eina_stringshare_replace(&disk->mount_point, mount_point);
disk->mount_cmd_changed = EINA_TRUE;
disk->unmount_cmd_changed = EINA_TRUE;
return EINA_TRUE;

View File

@ -7,6 +7,10 @@
#define EEZE_DISK_COLOR_DEFAULT EINA_COLOR_LIGHTBLUE
#endif
extern int _eeze_disk_log_dom;
#ifdef CRI
#undef CRI
#endif
#ifdef ERR
#undef ERR
#endif
@ -20,6 +24,7 @@ extern int _eeze_disk_log_dom;
#undef DBG
#endif
#define CRI(...) EINA_LOG_DOM_CRIT(_eeze_disk_log_dom, __VA_ARGS__)
#define DBG(...) EINA_LOG_DOM_DBG(_eeze_disk_log_dom, __VA_ARGS__)
#define INF(...) EINA_LOG_DOM_INFO(_eeze_disk_log_dom, __VA_ARGS__)
#define WARN(...) EINA_LOG_DOM_WARN(_eeze_disk_log_dom, __VA_ARGS__)
@ -48,7 +53,7 @@ struct _Eeze_Disk
const char *devpath;
const char *fstype;
const char *mount_point;
int mount_opts;
unsigned long mount_opts;
struct
{
@ -69,7 +74,7 @@ void eeze_mount_shutdown(void);
Eina_Bool eeze_libmount_init(void);
void eeze_libmount_shutdown(void);
Eina_Bool eeze_disk_libmount_mounted_get(Eeze_Disk *disk);
unsigned long eeze_disk_libmount_opts_get(Eeze_Disk *disk);
const char *eeze_disk_libmount_mp_find_source(const char *mount_point);
const char *eeze_disk_libmount_mp_lookup_by_uuid(const char *uuid);