| /* -*- Mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- |
| * |
| * Copyright (C) 2008-2010 David Zeuthen <davidz@redhat.com> |
| * |
| * 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 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, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include "config.h" |
| #endif |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "gudevclient.h" |
| #include "gudevenumerator.h" |
| #include "gudevdevice.h" |
| #include "gudevmarshal.h" |
| #include "gudevprivate.h" |
| |
| /** |
| * SECTION:gudevenumerator |
| * @short_description: Lookup and sort devices |
| * |
| * #GUdevEnumerator is used to lookup and sort devices. |
| * |
| * Since: 165 |
| */ |
| |
| struct _GUdevEnumeratorPrivate |
| { |
| GUdevClient *client; |
| struct udev_enumerate *e; |
| }; |
| |
| enum |
| { |
| PROP_0, |
| PROP_CLIENT, |
| }; |
| |
| G_DEFINE_TYPE (GUdevEnumerator, g_udev_enumerator, G_TYPE_OBJECT) |
| |
| /* ---------------------------------------------------------------------------------------------------- */ |
| |
| static void |
| g_udev_enumerator_finalize (GObject *object) |
| { |
| GUdevEnumerator *enumerator = G_UDEV_ENUMERATOR (object); |
| |
| if (enumerator->priv->client != NULL) |
| { |
| g_object_unref (enumerator->priv->client); |
| enumerator->priv->client = NULL; |
| } |
| |
| if (enumerator->priv->e != NULL) |
| { |
| udev_enumerate_unref (enumerator->priv->e); |
| enumerator->priv->e = NULL; |
| } |
| |
| if (G_OBJECT_CLASS (g_udev_enumerator_parent_class)->finalize != NULL) |
| G_OBJECT_CLASS (g_udev_enumerator_parent_class)->finalize (object); |
| } |
| |
| static void |
| g_udev_enumerator_set_property (GObject *object, |
| guint prop_id, |
| const GValue *value, |
| GParamSpec *pspec) |
| { |
| GUdevEnumerator *enumerator = G_UDEV_ENUMERATOR (object); |
| |
| switch (prop_id) |
| { |
| case PROP_CLIENT: |
| if (enumerator->priv->client != NULL) |
| g_object_unref (enumerator->priv->client); |
| enumerator->priv->client = g_value_dup_object (value); |
| break; |
| |
| default: |
| G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
| break; |
| } |
| } |
| |
| static void |
| g_udev_enumerator_get_property (GObject *object, |
| guint prop_id, |
| GValue *value, |
| GParamSpec *pspec) |
| { |
| GUdevEnumerator *enumerator = G_UDEV_ENUMERATOR (object); |
| |
| switch (prop_id) |
| { |
| case PROP_CLIENT: |
| g_value_set_object (value, enumerator->priv->client); |
| break; |
| |
| default: |
| G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
| break; |
| } |
| } |
| |
| static void |
| g_udev_enumerator_constructed (GObject *object) |
| { |
| GUdevEnumerator *enumerator = G_UDEV_ENUMERATOR (object); |
| |
| g_assert (G_UDEV_IS_CLIENT (enumerator->priv->client)); |
| |
| enumerator->priv->e = udev_enumerate_new (_g_udev_client_get_udev (enumerator->priv->client)); |
| |
| if (G_OBJECT_CLASS (g_udev_enumerator_parent_class)->constructed != NULL) |
| G_OBJECT_CLASS (g_udev_enumerator_parent_class)->constructed (object); |
| } |
| |
| static void |
| g_udev_enumerator_class_init (GUdevEnumeratorClass *klass) |
| { |
| GObjectClass *gobject_class = (GObjectClass *) klass; |
| |
| gobject_class->finalize = g_udev_enumerator_finalize; |
| gobject_class->set_property = g_udev_enumerator_set_property; |
| gobject_class->get_property = g_udev_enumerator_get_property; |
| gobject_class->constructed = g_udev_enumerator_constructed; |
| |
| /** |
| * GUdevEnumerator:client: |
| * |
| * The #GUdevClient to enumerate devices from. |
| * |
| * Since: 165 |
| */ |
| g_object_class_install_property (gobject_class, |
| PROP_CLIENT, |
| g_param_spec_object ("client", |
| "The client to enumerate devices from", |
| "The client to enumerate devices from", |
| G_UDEV_TYPE_CLIENT, |
| G_PARAM_CONSTRUCT_ONLY | |
| G_PARAM_READWRITE)); |
| |
| g_type_class_add_private (klass, sizeof (GUdevEnumeratorPrivate)); |
| } |
| |
| static void |
| g_udev_enumerator_init (GUdevEnumerator *enumerator) |
| { |
| enumerator->priv = G_TYPE_INSTANCE_GET_PRIVATE (enumerator, |
| G_UDEV_TYPE_ENUMERATOR, |
| GUdevEnumeratorPrivate); |
| } |
| |
| /** |
| * g_udev_enumerator_new: |
| * @client: A #GUdevClient to enumerate devices from. |
| * |
| * Constructs a #GUdevEnumerator object that can be used to enumerate |
| * and sort devices. Use the add_match_*() and add_nomatch_*() methods |
| * and execute the query to get a list of devices with |
| * g_udev_enumerator_execute(). |
| * |
| * Returns: A new #GUdevEnumerator object. Free with g_object_unref(). |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_new (GUdevClient *client) |
| { |
| g_return_val_if_fail (G_UDEV_IS_CLIENT (client), NULL); |
| return G_UDEV_ENUMERATOR (g_object_new (G_UDEV_TYPE_ENUMERATOR, "client", client, NULL)); |
| } |
| |
| |
| /** |
| * g_udev_enumerator_add_match_subsystem: |
| * @enumerator: A #GUdevEnumerator. |
| * @subsystem: Wildcard for subsystem name e.g. 'scsi' or 'a*'. |
| * |
| * All returned devices will match the given @subsystem. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_match_subsystem (GUdevEnumerator *enumerator, |
| const gchar *subsystem) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (subsystem != NULL, NULL); |
| udev_enumerate_add_match_subsystem (enumerator->priv->e, subsystem); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_nomatch_subsystem: |
| * @enumerator: A #GUdevEnumerator. |
| * @subsystem: Wildcard for subsystem name e.g. 'scsi' or 'a*'. |
| * |
| * All returned devices will not match the given @subsystem. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_nomatch_subsystem (GUdevEnumerator *enumerator, |
| const gchar *subsystem) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (subsystem != NULL, NULL); |
| udev_enumerate_add_nomatch_subsystem (enumerator->priv->e, subsystem); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_match_sysfs_attr: |
| * @enumerator: A #GUdevEnumerator. |
| * @name: Wildcard filter for sysfs attribute key. |
| * @value: Wildcard filter for sysfs attribute value. |
| * |
| * All returned devices will have a sysfs attribute matching the given @name and @value. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_match_sysfs_attr (GUdevEnumerator *enumerator, |
| const gchar *name, |
| const gchar *value) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (name != NULL, NULL); |
| g_return_val_if_fail (value != NULL, NULL); |
| udev_enumerate_add_match_sysattr (enumerator->priv->e, name, value); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_nomatch_sysfs_attr: |
| * @enumerator: A #GUdevEnumerator. |
| * @name: Wildcard filter for sysfs attribute key. |
| * @value: Wildcard filter for sysfs attribute value. |
| * |
| * All returned devices will not have a sysfs attribute matching the given @name and @value. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_nomatch_sysfs_attr (GUdevEnumerator *enumerator, |
| const gchar *name, |
| const gchar *value) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (name != NULL, NULL); |
| g_return_val_if_fail (value != NULL, NULL); |
| udev_enumerate_add_nomatch_sysattr (enumerator->priv->e, name, value); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_match_property: |
| * @enumerator: A #GUdevEnumerator. |
| * @name: Wildcard filter for property name. |
| * @value: Wildcard filter for property value. |
| * |
| * All returned devices will have a property matching the given @name and @value. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_match_property (GUdevEnumerator *enumerator, |
| const gchar *name, |
| const gchar *value) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (name != NULL, NULL); |
| g_return_val_if_fail (value != NULL, NULL); |
| udev_enumerate_add_match_property (enumerator->priv->e, name, value); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_match_name: |
| * @enumerator: A #GUdevEnumerator. |
| * @name: Wildcard filter for kernel name e.g. "sda*". |
| * |
| * All returned devices will match the given @name. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_match_name (GUdevEnumerator *enumerator, |
| const gchar *name) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (name != NULL, NULL); |
| udev_enumerate_add_match_sysname (enumerator->priv->e, name); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_sysfs_path: |
| * @enumerator: A #GUdevEnumerator. |
| * @sysfs_path: A sysfs path, e.g. "/sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda" |
| * |
| * Add a device to the list of devices, to retrieve it back sorted in dependency order. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_sysfs_path (GUdevEnumerator *enumerator, |
| const gchar *sysfs_path) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (sysfs_path != NULL, NULL); |
| udev_enumerate_add_syspath (enumerator->priv->e, sysfs_path); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_match_tag: |
| * @enumerator: A #GUdevEnumerator. |
| * @tag: A udev tag e.g. "udev-acl". |
| * |
| * All returned devices will match the given @tag. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_match_tag (GUdevEnumerator *enumerator, |
| const gchar *tag) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| g_return_val_if_fail (tag != NULL, NULL); |
| udev_enumerate_add_match_tag (enumerator->priv->e, tag); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_add_match_is_initialized: |
| * @enumerator: A #GUdevEnumerator. |
| * |
| * All returned devices will be initialized. |
| * |
| * Returns: (transfer none): The passed in @enumerator. |
| * |
| * Since: 165 |
| */ |
| GUdevEnumerator * |
| g_udev_enumerator_add_match_is_initialized (GUdevEnumerator *enumerator) |
| { |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| udev_enumerate_add_match_is_initialized (enumerator->priv->e); |
| return enumerator; |
| } |
| |
| /** |
| * g_udev_enumerator_execute: |
| * @enumerator: A #GUdevEnumerator. |
| * |
| * Executes the query in @enumerator. |
| * |
| * Returns: (element-type GUdevDevice) (transfer full): A list of #GUdevDevice objects. The caller should free the result by using g_object_unref() on each element in the list and then g_list_free() on the list. |
| * |
| * Since: 165 |
| */ |
| GList * |
| g_udev_enumerator_execute (GUdevEnumerator *enumerator) |
| { |
| GList *ret; |
| struct udev_list_entry *l, *devices; |
| |
| g_return_val_if_fail (G_UDEV_IS_ENUMERATOR (enumerator), NULL); |
| |
| ret = NULL; |
| |
| /* retrieve the list */ |
| udev_enumerate_scan_devices (enumerator->priv->e); |
| |
| devices = udev_enumerate_get_list_entry (enumerator->priv->e); |
| for (l = devices; l != NULL; l = udev_list_entry_get_next (l)) |
| { |
| struct udev_device *udevice; |
| GUdevDevice *device; |
| |
| udevice = udev_device_new_from_syspath (udev_enumerate_get_udev (enumerator->priv->e), |
| udev_list_entry_get_name (l)); |
| if (udevice == NULL) |
| continue; |
| |
| device = _g_udev_device_new (udevice); |
| udev_device_unref (udevice); |
| ret = g_list_prepend (ret, device); |
| } |
| |
| ret = g_list_reverse (ret); |
| |
| return ret; |
| } |
