1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
3 /* GIO - GLib Input, Output and Streaming Library
5 * Copyright (C) 2006-2007 Red Hat, Inc.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General
18 * Public License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 * Boston, MA 02111-1307, USA.
22 * Author: Alexander Larsson <alexl@redhat.com>
23 * David Zeuthen <davidz@redhat.com>
31 #include "gunixvolumemonitor.h"
32 #include "gunixmounts.h"
33 #include "gunixmount.h"
34 #include "gunixvolume.h"
35 #include "gmountprivate.h"
40 struct _GUnixVolumeMonitor {
41 GNativeVolumeMonitor parent;
43 GUnixMountMonitor *mount_monitor;
45 GList *last_mountpoints;
52 static void mountpoints_changed (GUnixMountMonitor *mount_monitor,
54 static void mounts_changed (GUnixMountMonitor *mount_monitor,
56 static void update_volumes (GUnixVolumeMonitor *monitor);
57 static void update_mounts (GUnixVolumeMonitor *monitor);
59 #define g_unix_volume_monitor_get_type _g_unix_volume_monitor_get_type
60 G_DEFINE_TYPE_WITH_CODE (GUnixVolumeMonitor, g_unix_volume_monitor, G_TYPE_NATIVE_VOLUME_MONITOR,
61 g_io_extension_point_implement (G_NATIVE_VOLUME_MONITOR_EXTENSION_POINT_NAME,
67 g_unix_volume_monitor_finalize (GObject *object)
69 GUnixVolumeMonitor *monitor;
71 monitor = G_UNIX_VOLUME_MONITOR (object);
73 g_signal_handlers_disconnect_by_func (monitor->mount_monitor, mountpoints_changed, monitor);
74 g_signal_handlers_disconnect_by_func (monitor->mount_monitor, mounts_changed, monitor);
76 g_object_unref (monitor->mount_monitor);
78 g_list_foreach (monitor->last_mountpoints, (GFunc)g_unix_mount_point_free, NULL);
79 g_list_free (monitor->last_mountpoints);
80 g_list_foreach (monitor->last_mounts, (GFunc)g_unix_mount_free, NULL);
81 g_list_free (monitor->last_mounts);
83 g_list_foreach (monitor->volumes, (GFunc)g_object_unref, NULL);
84 g_list_free (monitor->volumes);
85 g_list_foreach (monitor->mounts, (GFunc)g_object_unref, NULL);
86 g_list_free (monitor->mounts);
88 if (G_OBJECT_CLASS (g_unix_volume_monitor_parent_class)->finalize)
89 (*G_OBJECT_CLASS (g_unix_volume_monitor_parent_class)->finalize) (object);
93 get_mounts (GVolumeMonitor *volume_monitor)
95 GUnixVolumeMonitor *monitor;
98 monitor = G_UNIX_VOLUME_MONITOR (volume_monitor);
100 l = g_list_copy (monitor->mounts);
101 g_list_foreach (l, (GFunc)g_object_ref, NULL);
107 get_volumes (GVolumeMonitor *volume_monitor)
109 GUnixVolumeMonitor *monitor;
112 monitor = G_UNIX_VOLUME_MONITOR (volume_monitor);
114 l = g_list_copy (monitor->volumes);
115 g_list_foreach (l, (GFunc)g_object_ref, NULL);
121 get_connected_drives (GVolumeMonitor *volume_monitor)
127 get_volume_for_uuid (GVolumeMonitor *volume_monitor, const char *uuid)
133 get_mount_for_uuid (GVolumeMonitor *volume_monitor, const char *uuid)
145 get_mount_for_mount_path (const char *mount_path,
146 GCancellable *cancellable)
148 GUnixMountEntry *mount_entry;
151 mount_entry = g_unix_mount_at (mount_path, NULL);
153 /* TODO: Set mountable volume? */
154 mount = _g_unix_mount_new (NULL, mount_entry, NULL);
156 return G_MOUNT (mount);
160 g_unix_volume_monitor_class_init (GUnixVolumeMonitorClass *klass)
162 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
163 GVolumeMonitorClass *monitor_class = G_VOLUME_MONITOR_CLASS (klass);
164 GNativeVolumeMonitorClass *native_class = G_NATIVE_VOLUME_MONITOR_CLASS (klass);
166 gobject_class->finalize = g_unix_volume_monitor_finalize;
168 monitor_class->get_mounts = get_mounts;
169 monitor_class->get_volumes = get_volumes;
170 monitor_class->get_connected_drives = get_connected_drives;
171 monitor_class->get_volume_for_uuid = get_volume_for_uuid;
172 monitor_class->get_mount_for_uuid = get_mount_for_uuid;
173 monitor_class->is_supported = is_supported;
175 native_class->get_mount_for_mount_path = get_mount_for_mount_path;
179 mountpoints_changed (GUnixMountMonitor *mount_monitor,
182 GUnixVolumeMonitor *unix_monitor = user_data;
184 /* Update both to make sure volumes are created before mounts */
185 update_volumes (unix_monitor);
186 update_mounts (unix_monitor);
190 mounts_changed (GUnixMountMonitor *mount_monitor,
193 GUnixVolumeMonitor *unix_monitor = user_data;
195 /* Update both to make sure volumes are created before mounts */
196 update_volumes (unix_monitor);
197 update_mounts (unix_monitor);
201 g_unix_volume_monitor_init (GUnixVolumeMonitor *unix_monitor)
204 unix_monitor->mount_monitor = g_unix_mount_monitor_new ();
206 g_signal_connect (unix_monitor->mount_monitor,
207 "mounts_changed", G_CALLBACK (mounts_changed),
210 g_signal_connect (unix_monitor->mount_monitor,
211 "mountpoints_changed", G_CALLBACK (mountpoints_changed),
214 update_volumes (unix_monitor);
215 update_mounts (unix_monitor);
219 * g_unix_volume_monitor_new:
221 * Returns: a new #GVolumeMonitor.
224 _g_unix_volume_monitor_new (void)
226 GUnixVolumeMonitor *monitor;
228 monitor = g_object_new (G_TYPE_UNIX_VOLUME_MONITOR, NULL);
230 return G_VOLUME_MONITOR (monitor);
234 diff_sorted_lists (GList *list1,
236 GCompareFunc compare,
242 *added = *removed = NULL;
244 while (list1 != NULL &&
247 order = (*compare) (list1->data, list2->data);
250 *removed = g_list_prepend (*removed, list1->data);
255 *added = g_list_prepend (*added, list2->data);
265 while (list1 != NULL)
267 *removed = g_list_prepend (*removed, list1->data);
270 while (list2 != NULL)
272 *added = g_list_prepend (*added, list2->data);
278 * _g_unix_volume_monitor_lookup_volume_for_mount_path:
282 * Returns: #GUnixVolume for the given @mount_path.
285 _g_unix_volume_monitor_lookup_volume_for_mount_path (GUnixVolumeMonitor *monitor,
286 const char *mount_path)
290 for (l = monitor->volumes; l != NULL; l = l->next)
292 GUnixVolume *volume = l->data;
294 if (_g_unix_volume_has_mount_path (volume, mount_path))
302 find_mount_by_mountpath (GUnixVolumeMonitor *monitor,
303 const char *mount_path)
307 for (l = monitor->mounts; l != NULL; l = l->next)
309 GUnixMount *mount = l->data;
311 if (_g_unix_mount_has_mount_path (mount, mount_path))
319 update_volumes (GUnixVolumeMonitor *monitor)
321 GList *new_mountpoints;
322 GList *removed, *added;
326 new_mountpoints = g_unix_mount_points_get (NULL);
328 new_mountpoints = g_list_sort (new_mountpoints, (GCompareFunc) g_unix_mount_point_compare);
330 diff_sorted_lists (monitor->last_mountpoints,
331 new_mountpoints, (GCompareFunc) g_unix_mount_point_compare,
334 for (l = removed; l != NULL; l = l->next)
336 GUnixMountPoint *mountpoint = l->data;
338 volume = _g_unix_volume_monitor_lookup_volume_for_mount_path (monitor,
339 g_unix_mount_point_get_mount_path (mountpoint));
342 _g_unix_volume_disconnected (volume);
343 monitor->volumes = g_list_remove (monitor->volumes, volume);
344 g_signal_emit_by_name (monitor, "volume_removed", volume);
345 g_signal_emit_by_name (volume, "removed");
346 g_object_unref (volume);
350 for (l = added; l != NULL; l = l->next)
352 GUnixMountPoint *mountpoint = l->data;
354 volume = _g_unix_volume_new (G_VOLUME_MONITOR (monitor), mountpoint);
357 monitor->volumes = g_list_prepend (monitor->volumes, volume);
358 g_signal_emit_by_name (monitor, "volume_added", volume);
363 g_list_free (removed);
364 g_list_foreach (monitor->last_mountpoints,
365 (GFunc)g_unix_mount_point_free, NULL);
366 g_list_free (monitor->last_mountpoints);
367 monitor->last_mountpoints = new_mountpoints;
371 update_mounts (GUnixVolumeMonitor *monitor)
374 GList *removed, *added;
378 const char *mount_path;
380 new_mounts = g_unix_mounts_get (NULL);
382 new_mounts = g_list_sort (new_mounts, (GCompareFunc) g_unix_mount_compare);
384 diff_sorted_lists (monitor->last_mounts,
385 new_mounts, (GCompareFunc) g_unix_mount_compare,
388 for (l = removed; l != NULL; l = l->next)
390 GUnixMountEntry *mount_entry = l->data;
392 mount = find_mount_by_mountpath (monitor, g_unix_mount_get_mount_path (mount_entry));
395 _g_unix_mount_unmounted (mount);
396 monitor->mounts = g_list_remove (monitor->mounts, mount);
397 g_signal_emit_by_name (monitor, "mount_removed", mount);
398 g_signal_emit_by_name (mount, "unmounted");
399 g_object_unref (mount);
403 for (l = added; l != NULL; l = l->next)
405 GUnixMountEntry *mount_entry = l->data;
407 mount_path = g_unix_mount_get_mount_path (mount_entry);
409 volume = _g_unix_volume_monitor_lookup_volume_for_mount_path (monitor, mount_path);
410 mount = _g_unix_mount_new (G_VOLUME_MONITOR (monitor), mount_entry, volume);
413 monitor->mounts = g_list_prepend (monitor->mounts, mount);
414 g_signal_emit_by_name (monitor, "mount_added", mount);
419 g_list_free (removed);
420 g_list_foreach (monitor->last_mounts,
421 (GFunc)g_unix_mount_free, NULL);
422 g_list_free (monitor->last_mounts);
423 monitor->last_mounts = new_mounts;