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, see <http://www.gnu.org/licenses/>.
20 * Author: Alexander Larsson <alexl@redhat.com>
21 * David Zeuthen <davidz@redhat.com>
29 #include "gunixvolumemonitor.h"
30 #include "gunixmounts.h"
31 #include "gunixmount.h"
32 #include "gunixvolume.h"
34 #include "gmountprivate.h"
35 #include "giomodule.h"
39 struct _GUnixVolumeMonitor {
40 GNativeVolumeMonitor parent;
42 GUnixMountMonitor *mount_monitor;
44 GList *last_mountpoints;
51 static void mountpoints_changed (GUnixMountMonitor *mount_monitor,
53 static void mounts_changed (GUnixMountMonitor *mount_monitor,
55 static void update_volumes (GUnixVolumeMonitor *monitor);
56 static void update_mounts (GUnixVolumeMonitor *monitor);
58 #define g_unix_volume_monitor_get_type _g_unix_volume_monitor_get_type
59 G_DEFINE_TYPE_WITH_CODE (GUnixVolumeMonitor, g_unix_volume_monitor, G_TYPE_NATIVE_VOLUME_MONITOR,
60 g_io_extension_point_implement (G_NATIVE_VOLUME_MONITOR_EXTENSION_POINT_NAME,
66 g_unix_volume_monitor_finalize (GObject *object)
68 GUnixVolumeMonitor *monitor;
70 monitor = G_UNIX_VOLUME_MONITOR (object);
72 g_signal_handlers_disconnect_by_func (monitor->mount_monitor, mountpoints_changed, monitor);
73 g_signal_handlers_disconnect_by_func (monitor->mount_monitor, mounts_changed, monitor);
75 g_object_unref (monitor->mount_monitor);
77 g_list_free_full (monitor->last_mountpoints, (GDestroyNotify) g_unix_mount_point_free);
78 g_list_free_full (monitor->last_mounts, (GDestroyNotify) g_unix_mount_free);
80 g_list_free_full (monitor->volumes, g_object_unref);
81 g_list_free_full (monitor->mounts, g_object_unref);
83 G_OBJECT_CLASS (g_unix_volume_monitor_parent_class)->finalize (object);
87 g_unix_volume_monitor_dispose (GObject *object)
89 GUnixVolumeMonitor *monitor;
91 monitor = G_UNIX_VOLUME_MONITOR (object);
93 g_list_free_full (monitor->volumes, g_object_unref);
94 monitor->volumes = NULL;
96 g_list_free_full (monitor->mounts, g_object_unref);
97 monitor->mounts = NULL;
99 G_OBJECT_CLASS (g_unix_volume_monitor_parent_class)->dispose (object);
103 get_mounts (GVolumeMonitor *volume_monitor)
105 GUnixVolumeMonitor *monitor;
107 monitor = G_UNIX_VOLUME_MONITOR (volume_monitor);
109 return g_list_copy_deep (monitor->mounts, (GCopyFunc) g_object_ref, NULL);
113 get_volumes (GVolumeMonitor *volume_monitor)
115 GUnixVolumeMonitor *monitor;
117 monitor = G_UNIX_VOLUME_MONITOR (volume_monitor);
119 return g_list_copy_deep (monitor->volumes, (GCopyFunc) g_object_ref, NULL);
123 get_connected_drives (GVolumeMonitor *volume_monitor)
129 get_volume_for_uuid (GVolumeMonitor *volume_monitor, const char *uuid)
135 get_mount_for_uuid (GVolumeMonitor *volume_monitor, const char *uuid)
147 get_mount_for_mount_path (const char *mount_path,
148 GCancellable *cancellable)
150 GUnixMountEntry *mount_entry;
153 mount_entry = g_unix_mount_at (mount_path, NULL);
158 /* TODO: Set mountable volume? */
159 mount = _g_unix_mount_new (NULL, mount_entry, NULL);
161 g_unix_mount_free (mount_entry);
163 return G_MOUNT (mount);
167 g_unix_volume_monitor_class_init (GUnixVolumeMonitorClass *klass)
169 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
170 GVolumeMonitorClass *monitor_class = G_VOLUME_MONITOR_CLASS (klass);
171 GNativeVolumeMonitorClass *native_class = G_NATIVE_VOLUME_MONITOR_CLASS (klass);
173 gobject_class->finalize = g_unix_volume_monitor_finalize;
174 gobject_class->dispose = g_unix_volume_monitor_dispose;
176 monitor_class->get_mounts = get_mounts;
177 monitor_class->get_volumes = get_volumes;
178 monitor_class->get_connected_drives = get_connected_drives;
179 monitor_class->get_volume_for_uuid = get_volume_for_uuid;
180 monitor_class->get_mount_for_uuid = get_mount_for_uuid;
181 monitor_class->is_supported = is_supported;
183 native_class->get_mount_for_mount_path = get_mount_for_mount_path;
187 mountpoints_changed (GUnixMountMonitor *mount_monitor,
190 GUnixVolumeMonitor *unix_monitor = user_data;
192 /* Update both to make sure volumes are created before mounts */
193 update_volumes (unix_monitor);
194 update_mounts (unix_monitor);
198 mounts_changed (GUnixMountMonitor *mount_monitor,
201 GUnixVolumeMonitor *unix_monitor = user_data;
203 /* Update both to make sure volumes are created before mounts */
204 update_volumes (unix_monitor);
205 update_mounts (unix_monitor);
209 g_unix_volume_monitor_init (GUnixVolumeMonitor *unix_monitor)
212 unix_monitor->mount_monitor = g_unix_mount_monitor_new ();
214 g_signal_connect (unix_monitor->mount_monitor,
215 "mounts-changed", G_CALLBACK (mounts_changed),
218 g_signal_connect (unix_monitor->mount_monitor,
219 "mountpoints-changed", G_CALLBACK (mountpoints_changed),
222 update_volumes (unix_monitor);
223 update_mounts (unix_monitor);
227 _g_unix_volume_monitor_new (void)
229 GUnixVolumeMonitor *monitor;
231 monitor = g_object_new (G_TYPE_UNIX_VOLUME_MONITOR, NULL);
233 return G_VOLUME_MONITOR (monitor);
237 diff_sorted_lists (GList *list1,
239 GCompareFunc compare,
245 *added = *removed = NULL;
247 while (list1 != NULL &&
250 order = (*compare) (list1->data, list2->data);
253 *removed = g_list_prepend (*removed, list1->data);
258 *added = g_list_prepend (*added, list2->data);
268 while (list1 != NULL)
270 *removed = g_list_prepend (*removed, list1->data);
273 while (list2 != NULL)
275 *added = g_list_prepend (*added, list2->data);
281 _g_unix_volume_monitor_lookup_volume_for_mount_path (GUnixVolumeMonitor *monitor,
282 const char *mount_path)
286 for (l = monitor->volumes; l != NULL; l = l->next)
288 GUnixVolume *volume = l->data;
290 if (_g_unix_volume_has_mount_path (volume, mount_path))
298 find_mount_by_mountpath (GUnixVolumeMonitor *monitor,
299 const char *mount_path)
303 for (l = monitor->mounts; l != NULL; l = l->next)
305 GUnixMount *mount = l->data;
307 if (_g_unix_mount_has_mount_path (mount, mount_path))
315 update_volumes (GUnixVolumeMonitor *monitor)
317 GList *new_mountpoints;
318 GList *removed, *added;
322 new_mountpoints = g_unix_mount_points_get (NULL);
324 new_mountpoints = g_list_sort (new_mountpoints, (GCompareFunc) g_unix_mount_point_compare);
326 diff_sorted_lists (monitor->last_mountpoints,
327 new_mountpoints, (GCompareFunc) g_unix_mount_point_compare,
330 for (l = removed; l != NULL; l = l->next)
332 GUnixMountPoint *mountpoint = l->data;
334 volume = _g_unix_volume_monitor_lookup_volume_for_mount_path (monitor,
335 g_unix_mount_point_get_mount_path (mountpoint));
338 _g_unix_volume_disconnected (volume);
339 monitor->volumes = g_list_remove (monitor->volumes, volume);
340 g_signal_emit_by_name (monitor, "volume-removed", volume);
341 g_signal_emit_by_name (volume, "removed");
342 g_object_unref (volume);
346 for (l = added; l != NULL; l = l->next)
348 GUnixMountPoint *mountpoint = l->data;
350 volume = _g_unix_volume_new (G_VOLUME_MONITOR (monitor), mountpoint);
353 monitor->volumes = g_list_prepend (monitor->volumes, volume);
354 g_signal_emit_by_name (monitor, "volume-added", volume);
359 g_list_free (removed);
360 g_list_free_full (monitor->last_mountpoints, (GDestroyNotify) g_unix_mount_point_free);
361 monitor->last_mountpoints = new_mountpoints;
365 update_mounts (GUnixVolumeMonitor *monitor)
368 GList *removed, *added;
372 const char *mount_path;
374 new_mounts = g_unix_mounts_get (NULL);
376 new_mounts = g_list_sort (new_mounts, (GCompareFunc) g_unix_mount_compare);
378 diff_sorted_lists (monitor->last_mounts,
379 new_mounts, (GCompareFunc) g_unix_mount_compare,
382 for (l = removed; l != NULL; l = l->next)
384 GUnixMountEntry *mount_entry = l->data;
386 mount = find_mount_by_mountpath (monitor, g_unix_mount_get_mount_path (mount_entry));
389 _g_unix_mount_unmounted (mount);
390 monitor->mounts = g_list_remove (monitor->mounts, mount);
391 g_signal_emit_by_name (monitor, "mount-removed", mount);
392 g_signal_emit_by_name (mount, "unmounted");
393 g_object_unref (mount);
397 for (l = added; l != NULL; l = l->next)
399 GUnixMountEntry *mount_entry = l->data;
401 mount_path = g_unix_mount_get_mount_path (mount_entry);
403 volume = _g_unix_volume_monitor_lookup_volume_for_mount_path (monitor, mount_path);
404 mount = _g_unix_mount_new (G_VOLUME_MONITOR (monitor), mount_entry, volume);
407 monitor->mounts = g_list_prepend (monitor->mounts, mount);
408 g_signal_emit_by_name (monitor, "mount-added", mount);
413 g_list_free (removed);
414 g_list_free_full (monitor->last_mounts, (GDestroyNotify) g_unix_mount_free);
415 monitor->last_mounts = new_mounts;