#include <glib.h>
#include <glib/gi18n-lib.h>
#include <glib-object.h>
-#include <gio/gunixmounts.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#include <devkit-gobject.h>
#include "devkit-disks-device.h"
#include "devkit-disks-device-private.h"
#include "mounts-file.h"
+#include "devkit-disks-mount-monitor.h"
#include "devkit-disks-daemon-glue.h"
#include "devkit-disks-marshal.h"
struct DevkitDisksDaemonPrivate
{
- DBusGConnection *system_bus_connection;
- DBusGProxy *system_bus_proxy;
- PolKitContext *pk_context;
- PolKitTracker *pk_tracker;
+ DBusGConnection *system_bus_connection;
+ DBusGProxy *system_bus_proxy;
+ PolKitContext *pk_context;
+ PolKitTracker *pk_tracker;
- DevkitClient *devkit_client;
+ DevkitClient *devkit_client;
- GIOChannel *mdstat_channel;
+ GIOChannel *mdstat_channel;
- GHashTable *map_native_path_to_device;
- GHashTable *map_object_path_to_device;
+ GHashTable *map_native_path_to_device;
+ GHashTable *map_object_path_to_device;
- GUnixMountMonitor *mount_monitor;
+ DevkitDisksMountMonitor *mount_monitor;
- guint smart_refresh_timer_id;
+ guint smart_refresh_timer_id;
- DevkitDisksLogger *logger;
+ DevkitDisksLogger *logger;
};
static void devkit_disks_daemon_class_init (DevkitDisksDaemonClass *klass);
devices_copy = g_list_copy (devices);
- /* TODO: cache the mounts list to avoid rereading every time */
- mounts = g_unix_mounts_get (NULL);
+ mounts = devkit_disks_mount_monitor_get_mounts (daemon->priv->mount_monitor);
for (l = mounts; l != NULL; l = l->next) {
- GUnixMountEntry *mount_entry = l->data;
+ DevkitDisksMount *mount_entry = l->data;
const char *device_file;
const char *mount_path;
- /* TODO: maybe use realpath() on the device_path */
- device_file = g_unix_mount_get_device_path (mount_entry);
- mount_path = g_unix_mount_get_mount_path (mount_entry);
+ device_file = devkit_disks_mount_get_device_path (mount_entry);
+ mount_path = devkit_disks_mount_get_mount_path (mount_entry);
for (j = devices_copy; j != NULL; j = jj) {
DevkitDisksDevice *device = j->data;
}
}
}
- g_list_foreach (mounts, (GFunc) g_unix_mount_free, NULL);
+ g_list_foreach (mounts, (GFunc) devkit_disks_mount_unref, NULL);
g_list_free (mounts);
/* Since we've removed mounted devices from the devices_copy
}
static void
-mounts_changed (GUnixMountMonitor *monitor, gpointer user_data)
+mounts_changed (DevkitDisksMountMonitor *monitor, gpointer user_data)
{
DevkitDisksDaemon *daemon = DEVKIT_DISKS_DAEMON (user_data);
GList *devices;
g_signal_connect (daemon->priv->devkit_client, "device-event",
G_CALLBACK (device_event_signal_handler), daemon);
- /* monitor mounts */
- daemon->priv->mount_monitor = g_unix_mount_monitor_new ();
- // See http://bugzilla.gnome.org/show_bug.cgi?id=521946
- //g_unix_mount_monitor_set_rate_limit (daemon->priv->mount_monitor, 50);
+ daemon->priv->mount_monitor = devkit_disks_mount_monitor_new ();
g_signal_connect (daemon->priv->mount_monitor, "mounts-changed", (GCallback) mounts_changed, daemon);
daemon->priv->logger = devkit_disks_logger_new ();
--- /dev/null
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 David Zeuthen <david@fubar.dk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <signal.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <mntent.h>
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+#include <glib-object.h>
+
+#include "devkit-disks-mount-monitor.h"
+
+/*--------------------------------------------------------------------------------------------------------------*/
+
+enum
+{
+ MOUNTS_CHANGED_SIGNAL,
+ LAST_SIGNAL,
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+struct DevkitDisksMountMonitorPrivate
+{
+ GIOChannel *mounts_channel;
+};
+
+static GObjectClass *parent_class = NULL;
+
+G_DEFINE_TYPE (DevkitDisksMountMonitor, devkit_disks_mount_monitor, G_TYPE_OBJECT)
+
+#define DEVKIT_DISKS_MOUNT_MONITOR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), DEVKIT_TYPE_DISKS_MOUNT_MONITOR, DevkitDisksMountMonitorPrivate))
+
+static void
+devkit_disks_mount_monitor_finalize (DevkitDisksMountMonitor *mount_monitor)
+{
+ if (mount_monitor->priv->mounts_channel != NULL)
+ g_io_channel_unref (mount_monitor->priv->mounts_channel);
+ if (G_OBJECT_CLASS (parent_class)->finalize)
+ (* G_OBJECT_CLASS (parent_class)->finalize) (G_OBJECT (mount_monitor));
+}
+
+static void
+devkit_disks_mount_monitor_init (DevkitDisksMountMonitor *mount_monitor)
+{
+ mount_monitor->priv = DEVKIT_DISKS_MOUNT_MONITOR_GET_PRIVATE (mount_monitor);
+}
+
+static void
+devkit_disks_mount_monitor_class_init (DevkitDisksMountMonitorClass *klass)
+{
+ GObjectClass *obj_class = (GObjectClass *) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ obj_class->finalize = (GObjectFinalizeFunc) devkit_disks_mount_monitor_finalize;
+
+ g_type_class_add_private (klass, sizeof (DevkitDisksMountMonitorPrivate));
+
+ signals[MOUNTS_CHANGED_SIGNAL] =
+ g_signal_new ("mounts-changed",
+ G_OBJECT_CLASS_TYPE (klass),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static gboolean
+mounts_changed_event (GIOChannel *channel, GIOCondition cond, gpointer user_data)
+{
+ DevkitDisksMountMonitor *mount_monitor = DEVKIT_DISKS_MOUNT_MONITOR (user_data);
+
+ if (cond & ~G_IO_ERR)
+ goto out;
+
+ g_signal_emit (mount_monitor, signals[MOUNTS_CHANGED_SIGNAL], 0);
+
+out:
+ return TRUE;
+}
+
+DevkitDisksMountMonitor *
+devkit_disks_mount_monitor_new (void)
+{
+ DevkitDisksMountMonitor *mount_monitor;
+ GError *error;
+
+ mount_monitor = DEVKIT_DISKS_MOUNT_MONITOR (g_object_new (DEVKIT_TYPE_DISKS_MOUNT_MONITOR, NULL));
+
+ error = NULL;
+ mount_monitor->priv->mounts_channel = g_io_channel_new_file ("/proc/mounts", "r", &error);
+ if (mount_monitor->priv->mounts_channel != NULL) {
+ g_io_add_watch (mount_monitor->priv->mounts_channel, G_IO_ERR, mounts_changed_event, mount_monitor);
+ } else {
+ g_warning ("No /proc/mounts file: %s", error->message);
+ g_error_free (error);
+ g_object_unref (mount_monitor);
+ mount_monitor = NULL;
+ goto out;
+ }
+
+out:
+ return mount_monitor;
+}
+
+struct DevkitDisksMount {
+ char *mount_path;
+ char *device_path;
+};
+
+void
+devkit_disks_mount_unref (DevkitDisksMount *mount)
+{
+ g_free (mount->mount_path);
+ g_free (mount->device_path);
+ g_free (mount);
+}
+
+const char *
+devkit_disks_mount_get_mount_path (DevkitDisksMount *mount)
+{
+ return mount->mount_path;
+}
+
+const char *
+devkit_disks_mount_get_device_path (DevkitDisksMount *mount)
+{
+ return mount->device_path;
+}
+
+static const char *
+_resolve_dev_root (void)
+{
+ static gboolean have_real_dev_root = FALSE;
+ static char real_dev_root[256];
+ struct stat statbuf;
+
+ /* see if it's cached already */
+ if (have_real_dev_root)
+ goto found;
+
+ /* otherwise we're going to find it right away.. */
+ have_real_dev_root = TRUE;
+
+ if (stat ("/dev/root", &statbuf) == 0) {
+ if (! S_ISLNK (statbuf.st_mode)) {
+ dev_t root_dev = statbuf.st_dev;
+ FILE *f;
+ char buf[1024];
+
+ /* see if device with similar major:minor as /dev/root is mentioned
+ * in /etc/mtab (it usually is)
+ */
+ f = fopen ("/etc/mtab", "r");
+ if (f != NULL) {
+ struct mntent *entp;
+ struct mntent ent;
+ while ((entp = getmntent_r (f, &ent, buf, sizeof (buf))) != NULL) {
+ if (stat (entp->mnt_fsname, &statbuf) == 0 &&
+ statbuf.st_dev == root_dev) {
+ strncpy (real_dev_root, entp->mnt_fsname, sizeof (real_dev_root) - 1);
+ real_dev_root[sizeof (real_dev_root) - 1] = '\0';
+ fclose (f);
+ goto found;
+ }
+ }
+ endmntent (f);
+ }
+ /* no, that didn't work.. next we could scan /dev ... but I digress.. */
+ } else {
+ char resolved[PATH_MAX];
+ if (realpath ("/dev/root", resolved) != NULL) {
+ strncpy (real_dev_root, resolved, sizeof (real_dev_root) - 1);
+ real_dev_root[sizeof (real_dev_root) - 1] = '\0';
+ goto found;
+ }
+ }
+ }
+
+ /* bah sucks.. */
+ strcpy (real_dev_root, "/dev/root");
+found:
+ return real_dev_root;
+}
+
+/* device-mapper likes to create it's own device nodes a'la /dev/mapper/VolGroup00-LogVol00;
+ * this is pretty useless... So check the major/minor and map back to /dev/dm-<minor>
+ * if major==253.
+ */
+static char *
+_check_lvm (const char *device_path)
+{
+ struct stat statbuf;
+ if (stat (device_path, &statbuf) == 0) {
+ g_warning ("major=%d minor=%d", major (statbuf.st_rdev), minor (statbuf.st_rdev));
+ if (major (statbuf.st_rdev) == 253) {
+ return g_strdup_printf ("/dev/dm-%d", minor (statbuf.st_rdev));
+ }
+ }
+
+ return NULL;
+}
+
+GList *
+devkit_disks_mount_monitor_get_mounts (DevkitDisksMountMonitor *mount_monitor)
+{
+ GList *ret;
+ struct mntent *m;
+ FILE *f;
+
+ /* TODO: cache this list */
+
+ ret = NULL;
+
+ f = fopen ("/proc/mounts", "r");
+ if (f == NULL) {
+ g_warning ("error opening /proc/mounts: %m");
+ goto out;
+ }
+ while ((m = getmntent (f)) != NULL) {
+ DevkitDisksMount *mount;
+ mount = g_new0 (DevkitDisksMount, 1);
+ if (strcmp (m->mnt_fsname, "/dev/root") == 0) {
+ mount->device_path = g_strdup (_resolve_dev_root ());
+ } else {
+ mount->device_path = g_strdup (m->mnt_fsname);
+ }
+
+ if (g_str_has_prefix (mount->device_path, "/dev/mapper/")) {
+ char *s;
+ s = _check_lvm (m->mnt_fsname);
+ if (s != NULL) {
+ g_free (mount->device_path);
+ mount->device_path = s;
+ }
+ }
+
+ mount->mount_path = g_strdup (m->mnt_dir);
+ ret = g_list_prepend (ret, mount);
+ }
+ fclose (f);
+
+ ret = g_list_reverse (ret);
+
+out:
+ return ret;
+}
--- /dev/null
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 David Zeuthen <david@fubar.dk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __DEVKIT_DISKS_MOUNT_MONITOR_H__
+#define __DEVKIT_DISKS_MOUNT_MONITOR_H__
+
+#include <glib-object.h>
+#include <polkit-dbus/polkit-dbus.h>
+#include <dbus/dbus-glib.h>
+
+G_BEGIN_DECLS
+
+#define DEVKIT_TYPE_DISKS_MOUNT_MONITOR (devkit_disks_mount_monitor_get_type ())
+#define DEVKIT_DISKS_MOUNT_MONITOR(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), DEVKIT_TYPE_DISKS_MOUNT_MONITOR, DevkitDisksMountMonitor))
+#define DEVKIT_DISKS_MOUNT_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), DEVKIT_TYPE_DISKS_MOUNT_MONITOR, DevkitDisksMountMonitorClass))
+#define DEVKIT_IS_DISKS_MOUNT_MONITOR(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), DEVKIT_TYPE_DISKS_MOUNT_MONITOR))
+#define DEVKIT_IS_DISKS_MOUNT_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), DEVKIT_TYPE_DISKS_MOUNT_MONITOR))
+#define DEVKIT_DISKS_MOUNT_MONITOR_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), DEVKIT_TYPE_DISKS_MOUNT_MONITOR, DevkitDisksMountMonitorClass))
+
+struct DevkitDisksMountMonitorPrivate;
+typedef struct DevkitDisksMountMonitorPrivate DevkitDisksMountMonitorPrivate;
+
+typedef struct
+{
+ GObject parent;
+ DevkitDisksMountMonitorPrivate *priv;
+} DevkitDisksMountMonitor;
+
+typedef struct
+{
+ GObjectClass parent_class;
+} DevkitDisksMountMonitorClass;
+
+typedef gboolean (*DevkitDisksMountMonitorForeachFunc) (const char *device_path,
+ const char *mount_path,
+ const char *fstype,
+ const char *options,
+ gpointer user_data);
+
+GType devkit_disks_mount_monitor_get_type (void);
+DevkitDisksMountMonitor *devkit_disks_mount_monitor_new (void);
+GList *devkit_disks_mount_monitor_get_mounts (DevkitDisksMountMonitor *mount_monitor);
+
+struct DevkitDisksMount;
+typedef struct DevkitDisksMount DevkitDisksMount;
+
+void devkit_disks_mount_unref (DevkitDisksMount *mount);
+const char *devkit_disks_mount_get_mount_path (DevkitDisksMount *mount);
+const char *devkit_disks_mount_get_device_path (DevkitDisksMount *mount);
+
+G_END_DECLS
+
+#endif /* __DEVKIT_DISKS_MOUNT_MONITOR_H__ */