mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-12-30 17:36:16 +01:00
b08bd04abe
And improve them externally, where not otherwise set, by setting them from the function name passed to `g_task_set_source_tag()`, if called by third party code. This should make profiling and debug output from GLib more useful. Signed-off-by: Philip Withnall <withnall@endlessm.com>
440 lines
12 KiB
C
440 lines
12 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
|
|
|
/* GIO - GLib Input, Output and Streaming Library
|
|
*
|
|
* Copyright (C) 2006-2007 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General
|
|
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Author: Alexander Larsson <alexl@redhat.com>
|
|
* David Zeuthen <davidz@redhat.com>
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
|
|
#include <glib.h>
|
|
#include "gunixvolume.h"
|
|
#include "gunixmount.h"
|
|
#include "gunixmounts.h"
|
|
#include "gthemedicon.h"
|
|
#include "gvolume.h"
|
|
#include "gvolumemonitor.h"
|
|
#include "gtask.h"
|
|
#include "gioerror.h"
|
|
#include "glibintl.h"
|
|
/* for BUFSIZ */
|
|
#include <stdio.h>
|
|
|
|
|
|
struct _GUnixVolume {
|
|
GObject parent;
|
|
|
|
GVolumeMonitor *volume_monitor;
|
|
GUnixMount *mount; /* owned by volume monitor */
|
|
|
|
char *device_path;
|
|
char *mount_path;
|
|
gboolean can_eject;
|
|
|
|
char *identifier;
|
|
char *identifier_type;
|
|
|
|
char *name;
|
|
GIcon *icon;
|
|
GIcon *symbolic_icon;
|
|
};
|
|
|
|
static void g_unix_volume_volume_iface_init (GVolumeIface *iface);
|
|
|
|
#define g_unix_volume_get_type _g_unix_volume_get_type
|
|
G_DEFINE_TYPE_WITH_CODE (GUnixVolume, g_unix_volume, G_TYPE_OBJECT,
|
|
G_IMPLEMENT_INTERFACE (G_TYPE_VOLUME,
|
|
g_unix_volume_volume_iface_init))
|
|
|
|
static void
|
|
g_unix_volume_finalize (GObject *object)
|
|
{
|
|
GUnixVolume *volume;
|
|
|
|
volume = G_UNIX_VOLUME (object);
|
|
|
|
if (volume->volume_monitor != NULL)
|
|
g_object_unref (volume->volume_monitor);
|
|
|
|
if (volume->mount)
|
|
_g_unix_mount_unset_volume (volume->mount, volume);
|
|
|
|
g_object_unref (volume->icon);
|
|
g_object_unref (volume->symbolic_icon);
|
|
g_free (volume->name);
|
|
g_free (volume->mount_path);
|
|
g_free (volume->device_path);
|
|
g_free (volume->identifier);
|
|
g_free (volume->identifier_type);
|
|
|
|
G_OBJECT_CLASS (g_unix_volume_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
g_unix_volume_class_init (GUnixVolumeClass *klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
|
|
gobject_class->finalize = g_unix_volume_finalize;
|
|
}
|
|
|
|
static void
|
|
g_unix_volume_init (GUnixVolume *unix_volume)
|
|
{
|
|
}
|
|
|
|
GUnixVolume *
|
|
_g_unix_volume_new (GVolumeMonitor *volume_monitor,
|
|
GUnixMountPoint *mountpoint)
|
|
{
|
|
GUnixVolume *volume;
|
|
|
|
if (!(g_unix_mount_point_is_user_mountable (mountpoint) ||
|
|
g_str_has_prefix (g_unix_mount_point_get_device_path (mountpoint), "/vol/")) ||
|
|
g_unix_mount_point_is_loopback (mountpoint))
|
|
return NULL;
|
|
|
|
volume = g_object_new (G_TYPE_UNIX_VOLUME, NULL);
|
|
volume->volume_monitor = volume_monitor != NULL ? g_object_ref (volume_monitor) : NULL;
|
|
volume->mount_path = g_strdup (g_unix_mount_point_get_mount_path (mountpoint));
|
|
volume->device_path = g_strdup (g_unix_mount_point_get_device_path (mountpoint));
|
|
volume->can_eject = g_unix_mount_point_guess_can_eject (mountpoint);
|
|
|
|
volume->name = g_unix_mount_point_guess_name (mountpoint);
|
|
volume->icon = g_unix_mount_point_guess_icon (mountpoint);
|
|
volume->symbolic_icon = g_unix_mount_point_guess_symbolic_icon (mountpoint);
|
|
|
|
|
|
if (strcmp (g_unix_mount_point_get_fs_type (mountpoint), "nfs") == 0)
|
|
{
|
|
volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_NFS_MOUNT);
|
|
volume->identifier = g_strdup (volume->device_path);
|
|
}
|
|
else if (g_str_has_prefix (volume->device_path, "LABEL="))
|
|
{
|
|
volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_LABEL);
|
|
volume->identifier = g_strdup (volume->device_path + 6);
|
|
}
|
|
else if (g_str_has_prefix (volume->device_path, "UUID="))
|
|
{
|
|
volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_UUID);
|
|
volume->identifier = g_strdup (volume->device_path + 5);
|
|
}
|
|
else if (g_path_is_absolute (volume->device_path))
|
|
{
|
|
volume->identifier_type = g_strdup (G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
|
|
volume->identifier = g_strdup (volume->device_path);
|
|
}
|
|
|
|
return volume;
|
|
}
|
|
|
|
void
|
|
_g_unix_volume_disconnected (GUnixVolume *volume)
|
|
{
|
|
if (volume->mount)
|
|
{
|
|
_g_unix_mount_unset_volume (volume->mount, volume);
|
|
volume->mount = NULL;
|
|
}
|
|
}
|
|
|
|
void
|
|
_g_unix_volume_set_mount (GUnixVolume *volume,
|
|
GUnixMount *mount)
|
|
{
|
|
if (volume->mount == mount)
|
|
return;
|
|
|
|
if (volume->mount)
|
|
_g_unix_mount_unset_volume (volume->mount, volume);
|
|
|
|
volume->mount = mount;
|
|
|
|
/* TODO: Emit changed in idle to avoid locking issues */
|
|
g_signal_emit_by_name (volume, "changed");
|
|
if (volume->volume_monitor != NULL)
|
|
g_signal_emit_by_name (volume->volume_monitor, "volume-changed", volume);
|
|
}
|
|
|
|
void
|
|
_g_unix_volume_unset_mount (GUnixVolume *volume,
|
|
GUnixMount *mount)
|
|
{
|
|
if (volume->mount == mount)
|
|
{
|
|
volume->mount = NULL;
|
|
/* TODO: Emit changed in idle to avoid locking issues */
|
|
g_signal_emit_by_name (volume, "changed");
|
|
if (volume->volume_monitor != NULL)
|
|
g_signal_emit_by_name (volume->volume_monitor, "volume-changed", volume);
|
|
}
|
|
}
|
|
|
|
static GIcon *
|
|
g_unix_volume_get_icon (GVolume *volume)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
return g_object_ref (unix_volume->icon);
|
|
}
|
|
|
|
static GIcon *
|
|
g_unix_volume_get_symbolic_icon (GVolume *volume)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
return g_object_ref (unix_volume->symbolic_icon);
|
|
}
|
|
|
|
static char *
|
|
g_unix_volume_get_name (GVolume *volume)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
return g_strdup (unix_volume->name);
|
|
}
|
|
|
|
static char *
|
|
g_unix_volume_get_uuid (GVolume *volume)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static gboolean
|
|
g_unix_volume_can_mount (GVolume *volume)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
g_unix_volume_can_eject (GVolume *volume)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
return unix_volume->can_eject;
|
|
}
|
|
|
|
static gboolean
|
|
g_unix_volume_should_automount (GVolume *volume)
|
|
{
|
|
/* We automount all local volumes because we don't even
|
|
* make the internal stuff visible
|
|
*/
|
|
return TRUE;
|
|
}
|
|
|
|
static GDrive *
|
|
g_unix_volume_get_drive (GVolume *volume)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static GMount *
|
|
g_unix_volume_get_mount (GVolume *volume)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
|
|
if (unix_volume->mount != NULL)
|
|
return g_object_ref (G_MOUNT (unix_volume->mount));
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
gboolean
|
|
_g_unix_volume_has_mount_path (GUnixVolume *volume,
|
|
const char *mount_path)
|
|
{
|
|
return strcmp (volume->mount_path, mount_path) == 0;
|
|
}
|
|
|
|
static void
|
|
eject_mount_done (GObject *source,
|
|
GAsyncResult *result,
|
|
gpointer user_data)
|
|
{
|
|
GSubprocess *subprocess = G_SUBPROCESS (source);
|
|
GTask *task = user_data;
|
|
GError *error = NULL;
|
|
gchar *stderr_str;
|
|
GUnixVolume *unix_volume;
|
|
|
|
if (!g_subprocess_communicate_utf8_finish (subprocess, result, NULL, &stderr_str, &error))
|
|
{
|
|
g_task_return_error (task, error);
|
|
g_error_free (error);
|
|
}
|
|
else /* successful communication */
|
|
{
|
|
if (!g_subprocess_get_successful (subprocess))
|
|
/* ...but bad exit code */
|
|
g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_FAILED, "%s", stderr_str);
|
|
else
|
|
{
|
|
/* ...and successful exit code */
|
|
unix_volume = G_UNIX_VOLUME (g_task_get_source_object (task));
|
|
_g_unix_volume_monitor_update (G_UNIX_VOLUME_MONITOR (unix_volume->volume_monitor));
|
|
g_task_return_boolean (task, TRUE);
|
|
}
|
|
|
|
g_free (stderr_str);
|
|
}
|
|
|
|
g_object_unref (task);
|
|
}
|
|
|
|
static void
|
|
eject_mount_do (GVolume *volume,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data,
|
|
const gchar * const *argv,
|
|
const gchar *task_name)
|
|
{
|
|
GSubprocess *subprocess;
|
|
GError *error = NULL;
|
|
GTask *task;
|
|
|
|
task = g_task_new (volume, cancellable, callback, user_data);
|
|
g_task_set_source_tag (task, eject_mount_do);
|
|
g_task_set_name (task, task_name);
|
|
|
|
if (g_task_return_error_if_cancelled (task))
|
|
{
|
|
g_object_unref (task);
|
|
return;
|
|
}
|
|
|
|
subprocess = g_subprocess_newv (argv, G_SUBPROCESS_FLAGS_STDOUT_SILENCE | G_SUBPROCESS_FLAGS_STDERR_PIPE, &error);
|
|
g_assert_no_error (error);
|
|
|
|
g_subprocess_communicate_utf8_async (subprocess, NULL,
|
|
g_task_get_cancellable (task),
|
|
eject_mount_done, task);
|
|
}
|
|
|
|
static void
|
|
g_unix_volume_mount (GVolume *volume,
|
|
GMountMountFlags flags,
|
|
GMountOperation *mount_operation,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
const gchar *argv[] = { "mount", NULL, NULL };
|
|
|
|
if (unix_volume->mount_path != NULL)
|
|
argv[1] = unix_volume->mount_path;
|
|
else
|
|
argv[1] = unix_volume->device_path;
|
|
|
|
eject_mount_do (volume, cancellable, callback, user_data, argv, "[gio] mount volume");
|
|
}
|
|
|
|
static gboolean
|
|
g_unix_volume_mount_finish (GVolume *volume,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (g_task_is_valid (result, volume), FALSE);
|
|
|
|
return g_task_propagate_boolean (G_TASK (result), error);
|
|
}
|
|
|
|
static void
|
|
g_unix_volume_eject (GVolume *volume,
|
|
GMountUnmountFlags flags,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
const gchar *argv[] = { "eject", NULL, NULL };
|
|
|
|
argv[1] = unix_volume->device_path;
|
|
|
|
eject_mount_do (volume, cancellable, callback, user_data, argv, "[gio] eject volume");
|
|
}
|
|
|
|
static gboolean
|
|
g_unix_volume_eject_finish (GVolume *volume,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
g_return_val_if_fail (g_task_is_valid (result, volume), FALSE);
|
|
|
|
return g_task_propagate_boolean (G_TASK (result), error);
|
|
}
|
|
|
|
static gchar *
|
|
g_unix_volume_get_identifier (GVolume *volume,
|
|
const gchar *kind)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
|
|
if (unix_volume->identifier_type != NULL &&
|
|
strcmp (kind, unix_volume->identifier_type) == 0)
|
|
return g_strdup (unix_volume->identifier);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static gchar **
|
|
g_unix_volume_enumerate_identifiers (GVolume *volume)
|
|
{
|
|
GUnixVolume *unix_volume = G_UNIX_VOLUME (volume);
|
|
gchar **res;
|
|
|
|
if (unix_volume->identifier_type)
|
|
{
|
|
res = g_new (gchar *, 2);
|
|
res[0] = g_strdup (unix_volume->identifier_type);
|
|
res[1] = NULL;
|
|
}
|
|
else
|
|
{
|
|
res = g_new (gchar *, 1);
|
|
res[0] = NULL;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
g_unix_volume_volume_iface_init (GVolumeIface *iface)
|
|
{
|
|
iface->get_name = g_unix_volume_get_name;
|
|
iface->get_icon = g_unix_volume_get_icon;
|
|
iface->get_symbolic_icon = g_unix_volume_get_symbolic_icon;
|
|
iface->get_uuid = g_unix_volume_get_uuid;
|
|
iface->get_drive = g_unix_volume_get_drive;
|
|
iface->get_mount = g_unix_volume_get_mount;
|
|
iface->can_mount = g_unix_volume_can_mount;
|
|
iface->can_eject = g_unix_volume_can_eject;
|
|
iface->should_automount = g_unix_volume_should_automount;
|
|
iface->mount_fn = g_unix_volume_mount;
|
|
iface->mount_finish = g_unix_volume_mount_finish;
|
|
iface->eject = g_unix_volume_eject;
|
|
iface->eject_finish = g_unix_volume_eject_finish;
|
|
iface->get_identifier = g_unix_volume_get_identifier;
|
|
iface->enumerate_identifiers = g_unix_volume_enumerate_identifiers;
|
|
}
|