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"
36 #include "gmountprivate.h"
37 #include "giomodule.h"
42 struct _GUnixVolumeMonitor {
43 GNativeVolumeMonitor parent;
45 GUnixMountMonitor *mount_monitor;
47 GList *last_mountpoints;
54 static void mountpoints_changed (GUnixMountMonitor *mount_monitor,
56 static void mounts_changed (GUnixMountMonitor *mount_monitor,
58 static void update_volumes (GUnixVolumeMonitor *monitor);
59 static void update_mounts (GUnixVolumeMonitor *monitor);
61 #define g_unix_volume_monitor_get_type _g_unix_volume_monitor_get_type
62 G_DEFINE_TYPE_WITH_CODE (GUnixVolumeMonitor, g_unix_volume_monitor, G_TYPE_NATIVE_VOLUME_MONITOR,
63 g_io_extension_point_implement (G_NATIVE_VOLUME_MONITOR_EXTENSION_POINT_NAME,
69 g_unix_volume_monitor_finalize (GObject *object)
71 GUnixVolumeMonitor *monitor;
73 monitor = G_UNIX_VOLUME_MONITOR (object);
75 g_signal_handlers_disconnect_by_func (monitor->mount_monitor, mountpoints_changed, monitor);
76 g_signal_handlers_disconnect_by_func (monitor->mount_monitor, mounts_changed, monitor);
78 g_object_unref (monitor->mount_monitor);
80 g_list_foreach (monitor->last_mountpoints, (GFunc)g_unix_mount_point_free, NULL);
81 g_list_free (monitor->last_mountpoints);
82 g_list_foreach (monitor->last_mounts, (GFunc)g_unix_mount_free, NULL);
83 g_list_free (monitor->last_mounts);
85 g_list_foreach (monitor->volumes, (GFunc)g_object_unref, NULL);
86 g_list_free (monitor->volumes);
87 g_list_foreach (monitor->mounts, (GFunc)g_object_unref, NULL);
88 g_list_free (monitor->mounts);
90 G_OBJECT_CLASS (g_unix_volume_monitor_parent_class)->finalize (object);
94 g_unix_volume_monitor_dispose (GObject *object)
96 GUnixVolumeMonitor *monitor;
98 monitor = G_UNIX_VOLUME_MONITOR (object);
99 g_list_foreach (monitor->volumes, (GFunc)g_object_unref, NULL);
100 g_list_free (monitor->volumes);
101 monitor->volumes = NULL;
103 g_list_foreach (monitor->mounts, (GFunc)g_object_unref, NULL);
104 g_list_free (monitor->mounts);
105 monitor->mounts = NULL;
107 G_OBJECT_CLASS (g_unix_volume_monitor_parent_class)->dispose (object);
111 get_mounts (GVolumeMonitor *volume_monitor)
113 GUnixVolumeMonitor *monitor;
116 monitor = G_UNIX_VOLUME_MONITOR (volume_monitor);
118 l = g_list_copy (monitor->mounts);
119 g_list_foreach (l, (GFunc)g_object_ref, NULL);
125 get_volumes (GVolumeMonitor *volume_monitor)
127 GUnixVolumeMonitor *monitor;
130 monitor = G_UNIX_VOLUME_MONITOR (volume_monitor);
132 l = g_list_copy (monitor->volumes);
133 g_list_foreach (l, (GFunc)g_object_ref, NULL);
139 get_connected_drives (GVolumeMonitor *volume_monitor)
145 get_volume_for_uuid (GVolumeMonitor *volume_monitor, const char *uuid)
151 get_mount_for_uuid (GVolumeMonitor *volume_monitor, const char *uuid)
163 get_mount_for_mount_path (const char *mount_path,
164 GCancellable *cancellable)
166 GUnixMountEntry *mount_entry;
169 mount_entry = g_unix_mount_at (mount_path, NULL);
174 /* TODO: Set mountable volume? */
175 mount = _g_unix_mount_new (NULL, mount_entry, NULL);
177 g_unix_mount_free (mount_entry);
179 return G_MOUNT (mount);
183 g_unix_volume_monitor_class_init (GUnixVolumeMonitorClass *klass)
185 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
186 GVolumeMonitorClass *monitor_class = G_VOLUME_MONITOR_CLASS (klass);
187 GNativeVolumeMonitorClass *native_class = G_NATIVE_VOLUME_MONITOR_CLASS (klass);
189 gobject_class->finalize = g_unix_volume_monitor_finalize;
190 gobject_class->dispose = g_unix_volume_monitor_dispose;
192 monitor_class->get_mounts = get_mounts;
193 monitor_class->get_volumes = get_volumes;
194 monitor_class->get_connected_drives = get_connected_drives;
195 monitor_class->get_volume_for_uuid = get_volume_for_uuid;
196 monitor_class->get_mount_for_uuid = get_mount_for_uuid;
197 monitor_class->is_supported = is_supported;
199 native_class->get_mount_for_mount_path = get_mount_for_mount_path;
203 mountpoints_changed (GUnixMountMonitor *mount_monitor,
206 GUnixVolumeMonitor *unix_monitor = user_data;
208 /* Update both to make sure volumes are created before mounts */
209 update_volumes (unix_monitor);
210 update_mounts (unix_monitor);
214 mounts_changed (GUnixMountMonitor *mount_monitor,
217 GUnixVolumeMonitor *unix_monitor = user_data;
219 /* Update both to make sure volumes are created before mounts */
220 update_volumes (unix_monitor);
221 update_mounts (unix_monitor);
225 g_unix_volume_monitor_init (GUnixVolumeMonitor *unix_monitor)
228 unix_monitor->mount_monitor = g_unix_mount_monitor_new ();
230 g_signal_connect (unix_monitor->mount_monitor,
231 "mounts-changed", G_CALLBACK (mounts_changed),
234 g_signal_connect (unix_monitor->mount_monitor,
235 "mountpoints-changed", G_CALLBACK (mountpoints_changed),
238 update_volumes (unix_monitor);
239 update_mounts (unix_monitor);
243 _g_unix_volume_monitor_new (void)
245 GUnixVolumeMonitor *monitor;
247 monitor = g_object_new (G_TYPE_UNIX_VOLUME_MONITOR, NULL);
249 return G_VOLUME_MONITOR (monitor);
253 diff_sorted_lists (GList *list1,
255 GCompareFunc compare,
261 *added = *removed = NULL;
263 while (list1 != NULL &&
266 order = (*compare) (list1->data, list2->data);
269 *removed = g_list_prepend (*removed, list1->data);
274 *added = g_list_prepend (*added, list2->data);
284 while (list1 != NULL)
286 *removed = g_list_prepend (*removed, list1->data);
289 while (list2 != NULL)
291 *added = g_list_prepend (*added, list2->data);
297 _g_unix_volume_monitor_lookup_volume_for_mount_path (GUnixVolumeMonitor *monitor,
298 const char *mount_path)
302 for (l = monitor->volumes; l != NULL; l = l->next)
304 GUnixVolume *volume = l->data;
306 if (_g_unix_volume_has_mount_path (volume, mount_path))
314 find_mount_by_mountpath (GUnixVolumeMonitor *monitor,
315 const char *mount_path)
319 for (l = monitor->mounts; l != NULL; l = l->next)
321 GUnixMount *mount = l->data;
323 if (_g_unix_mount_has_mount_path (mount, mount_path))
331 update_volumes (GUnixVolumeMonitor *monitor)
333 GList *new_mountpoints;
334 GList *removed, *added;
338 new_mountpoints = g_unix_mount_points_get (NULL);
340 new_mountpoints = g_list_sort (new_mountpoints, (GCompareFunc) g_unix_mount_point_compare);
342 diff_sorted_lists (monitor->last_mountpoints,
343 new_mountpoints, (GCompareFunc) g_unix_mount_point_compare,
346 for (l = removed; l != NULL; l = l->next)
348 GUnixMountPoint *mountpoint = l->data;
350 volume = _g_unix_volume_monitor_lookup_volume_for_mount_path (monitor,
351 g_unix_mount_point_get_mount_path (mountpoint));
354 _g_unix_volume_disconnected (volume);
355 monitor->volumes = g_list_remove (monitor->volumes, volume);
356 g_signal_emit_by_name (monitor, "volume-removed", volume);
357 g_signal_emit_by_name (volume, "removed");
358 g_object_unref (volume);
362 for (l = added; l != NULL; l = l->next)
364 GUnixMountPoint *mountpoint = l->data;
366 volume = _g_unix_volume_new (G_VOLUME_MONITOR (monitor), mountpoint);
369 monitor->volumes = g_list_prepend (monitor->volumes, volume);
370 g_signal_emit_by_name (monitor, "volume-added", volume);
375 g_list_free (removed);
376 g_list_foreach (monitor->last_mountpoints,
377 (GFunc)g_unix_mount_point_free, NULL);
378 g_list_free (monitor->last_mountpoints);
379 monitor->last_mountpoints = new_mountpoints;
383 update_mounts (GUnixVolumeMonitor *monitor)
386 GList *removed, *added;
390 const char *mount_path;
392 new_mounts = g_unix_mounts_get (NULL);
394 new_mounts = g_list_sort (new_mounts, (GCompareFunc) g_unix_mount_compare);
396 diff_sorted_lists (monitor->last_mounts,
397 new_mounts, (GCompareFunc) g_unix_mount_compare,
400 for (l = removed; l != NULL; l = l->next)
402 GUnixMountEntry *mount_entry = l->data;
404 mount = find_mount_by_mountpath (monitor, g_unix_mount_get_mount_path (mount_entry));
407 _g_unix_mount_unmounted (mount);
408 monitor->mounts = g_list_remove (monitor->mounts, mount);
409 g_signal_emit_by_name (monitor, "mount-removed", mount);
410 g_signal_emit_by_name (mount, "unmounted");
411 g_object_unref (mount);
415 for (l = added; l != NULL; l = l->next)
417 GUnixMountEntry *mount_entry = l->data;
419 mount_path = g_unix_mount_get_mount_path (mount_entry);
421 volume = _g_unix_volume_monitor_lookup_volume_for_mount_path (monitor, mount_path);
422 mount = _g_unix_mount_new (G_VOLUME_MONITOR (monitor), mount_entry, volume);
425 monitor->mounts = g_list_prepend (monitor->mounts, mount);
426 g_signal_emit_by_name (monitor, "mount-added", mount);
431 g_list_free (removed);
432 g_list_foreach (monitor->last_mounts,
433 (GFunc)g_unix_mount_free, NULL);
434 g_list_free (monitor->last_mounts);
435 monitor->last_mounts = new_mounts;