diff options
Diffstat (limited to 'src/nm-hal-manager.c')
| -rw-r--r-- | src/nm-hal-manager.c | 600 |
1 files changed, 0 insertions, 600 deletions
diff --git a/src/nm-hal-manager.c b/src/nm-hal-manager.c deleted file mode 100644 index 8b211e125e..0000000000 --- a/src/nm-hal-manager.c +++ /dev/null @@ -1,600 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2007 - 2008 Novell, Inc. - * Copyright (C) 2007 - 2008 Red Hat, Inc. - */ - -#include <signal.h> -#include <string.h> -#include <stdlib.h> -#include <libhal.h> -#include <dbus/dbus-glib.h> -#include <dbus/dbus-glib-lowlevel.h> - -#include "nm-glib-compat.h" -#include "nm-hal-manager.h" -#include "nm-marshal.h" -#include "nm-dbus-manager.h" -#include "nm-utils.h" -#include "nm-device-wifi.h" -#include "nm-device-ethernet.h" - -#define HAL_DBUS_SERVICE "org.freedesktop.Hal" - -typedef struct { - LibHalContext *hal_ctx; - NMDBusManager *dbus_mgr; - GSList *device_creators; - - gboolean disposed; -} NMHalManagerPrivate; - -#define NM_HAL_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_HAL_MANAGER, NMHalManagerPrivate)) - -G_DEFINE_TYPE (NMHalManager, nm_hal_manager, G_TYPE_OBJECT) - -enum { - UDI_ADDED, - UDI_REMOVED, - HAL_REAPPEARED, - - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL] = { 0 }; - - -/* Device creators */ - -typedef struct { - GType device_type; - char *capability_str; - char *category; - gboolean (*is_device_fn) (NMHalManager *self, const char *udi); - NMDeviceCreatorFn creator_fn; -} DeviceCreator; - -static DeviceCreator * -get_creator (NMHalManager *self, const char *udi) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - DeviceCreator *creator; - GSList *iter; - - for (iter = priv->device_creators; iter; iter = g_slist_next (iter)) { - creator = (DeviceCreator *) iter->data; - - if (libhal_device_query_capability (priv->hal_ctx, udi, creator->capability_str, NULL) && - creator->is_device_fn (self, udi)) - return creator; - } - - return NULL; -} - -/* end of device creators */ - -/* Common helpers for built-in device creators */ - -static char * -hal_get_subsystem (LibHalContext *ctx, const char *udi) -{ - char *subsys; - - subsys = libhal_device_get_property_string (ctx, udi, "info.subsystem", NULL); - if (!subsys) { - /* info.bus is deprecated */ - subsys = libhal_device_get_property_string (ctx, udi, "info.bus", NULL); - } - return subsys; -} - -static char * -nm_get_device_driver_name (LibHalContext *ctx, const char *origdev_udi) -{ - char *driver_name = NULL, *subsystem, *drv, *od_parent = NULL; - - if (!origdev_udi) - return NULL; - - /* s390 driver name is on the grandparent of the net device */ - subsystem = hal_get_subsystem (ctx, origdev_udi); - if (subsystem && !strcmp (subsystem, "ibmebus")) { - od_parent = libhal_device_get_property_string (ctx, origdev_udi, "info.parent", NULL); - origdev_udi = (const char *) od_parent; - } - - drv = libhal_device_get_property_string (ctx, origdev_udi, "info.linux.driver", NULL); - if (drv) - driver_name = g_strdup (drv); - - libhal_free_string (drv); - libhal_free_string (od_parent); - libhal_free_string (subsystem); - return driver_name; -} - -/* Wired device creator */ - -static gboolean -is_wired_device (NMHalManager *self, const char *udi) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - char *category; - gboolean is_wired = FALSE; - - if (libhal_device_property_exists (priv->hal_ctx, udi, "net.linux.ifindex", NULL) && - libhal_device_property_exists (priv->hal_ctx, udi, "info.category", NULL)) { - - category = libhal_device_get_property_string (priv->hal_ctx, udi, "info.category", NULL); - if (category) { - is_wired = strcmp (category, "net.80203") == 0; - libhal_free_string (category); - } - } - - return is_wired; -} - -static GObject * -wired_device_creator (NMHalManager *self, - const char *udi, - const char *origdev_udi, - gboolean managed) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - GObject *device; - char *iface; - char *driver; - - iface = libhal_device_get_property_string (priv->hal_ctx, udi, "net.interface", NULL); - if (!iface) { - nm_warning ("Couldn't get interface for %s, ignoring.", udi); - return NULL; - } - - driver = nm_get_device_driver_name (priv->hal_ctx, origdev_udi); - device = (GObject *) nm_device_ethernet_new (udi, iface, driver, managed); - - libhal_free_string (iface); - g_free (driver); - - return device; -} - -/* Wireless device creator */ - -static gboolean -is_wireless_device (NMHalManager *self, const char *udi) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - char *category; - gboolean is_wireless = FALSE; - - if (libhal_device_property_exists (priv->hal_ctx, udi, "net.linux.ifindex", NULL) && - libhal_device_property_exists (priv->hal_ctx, udi, "info.category", NULL)) { - - category = libhal_device_get_property_string (priv->hal_ctx, udi, "info.category", NULL); - if (category) { - is_wireless = strcmp (category, "net.80211") == 0; - libhal_free_string (category); - } - } - - return is_wireless; -} - -static GObject * -wireless_device_creator (NMHalManager *self, - const char *udi, - const char *origdev_udi, - gboolean managed) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - GObject *device; - char *iface; - char *driver; - - iface = libhal_device_get_property_string (priv->hal_ctx, udi, "net.interface", NULL); - if (!iface) { - nm_warning ("Couldn't get interface for %s, ignoring.", udi); - return NULL; - } - - driver = nm_get_device_driver_name (priv->hal_ctx, origdev_udi); - device = (GObject *) nm_device_wifi_new (udi, iface, driver, managed); - - libhal_free_string (iface); - g_free (driver); - - return device; -} - -static void -register_built_in_creators (NMHalManager *self) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - DeviceCreator *creator; - - /* Wired device */ - creator = g_slice_new0 (DeviceCreator); - creator->device_type = NM_TYPE_DEVICE_ETHERNET; - creator->capability_str = g_strdup ("net.80203"); - creator->category = g_strdup ("net"); - creator->is_device_fn = is_wired_device; - creator->creator_fn = wired_device_creator; - priv->device_creators = g_slist_append (priv->device_creators, creator); - - /* Wireless device */ - creator = g_slice_new0 (DeviceCreator); - creator->device_type = NM_TYPE_DEVICE_WIFI; - creator->capability_str = g_strdup ("net.80211"); - creator->category = g_strdup ("net"); - creator->is_device_fn = is_wireless_device; - creator->creator_fn = wireless_device_creator; - priv->device_creators = g_slist_append (priv->device_creators, creator); -} - -static void -emit_udi_added (NMHalManager *self, const char *udi, DeviceCreator *creator) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - char *od, *tmp; - - g_return_if_fail (self != NULL); - g_return_if_fail (udi != NULL); - g_return_if_fail (creator != NULL); - - tmp = g_strdup_printf ("%s.originating_device", creator->category); - od = libhal_device_get_property_string (priv->hal_ctx, udi, tmp, NULL); - g_free (tmp); - - if (!od) { - /* Older HAL uses 'physical_device' */ - tmp = g_strdup_printf ("%s.physical_device", creator->category); - od = libhal_device_get_property_string (priv->hal_ctx, udi, tmp, NULL); - g_free (tmp); - } - - g_signal_emit (self, signals[UDI_ADDED], 0, - udi, - od, - GSIZE_TO_POINTER (creator->device_type), - creator->creator_fn); - - libhal_free_string (od); -} - -static void -device_added (LibHalContext *ctx, const char *udi) -{ - NMHalManager *self = NM_HAL_MANAGER (libhal_ctx_get_user_data (ctx)); - DeviceCreator *creator; - - /* If not all the device's properties are set up yet (like net.interface), - * the device will actually get added later when HAL signals new device - * capabilties. - */ - creator = get_creator (self, udi); - if (creator) - emit_udi_added (self, udi, creator); -} - -static void -device_removed (LibHalContext *ctx, const char *udi) -{ - NMHalManager *self = NM_HAL_MANAGER (libhal_ctx_get_user_data (ctx)); - - g_signal_emit (self, signals[UDI_REMOVED], 0, udi); -} - -static void -device_new_capability (LibHalContext *ctx, const char *udi, const char *capability) -{ - NMHalManager *self = NM_HAL_MANAGER (libhal_ctx_get_user_data (ctx)); - DeviceCreator *creator; - - creator = get_creator (self, udi); - if (creator) - emit_udi_added (self, udi, creator); -} - -static void -add_initial_devices (NMHalManager *self) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - DeviceCreator *creator; - GSList *iter; - char **devices; - int num_devices; - int i; - DBusError err; - - for (iter = priv->device_creators; iter; iter = g_slist_next (iter)) { - creator = (DeviceCreator *) iter->data; - - dbus_error_init (&err); - devices = libhal_find_device_by_capability (priv->hal_ctx, - creator->capability_str, - &num_devices, - &err); - if (dbus_error_is_set (&err)) { - nm_warning ("could not find existing devices: %s", err.message); - dbus_error_free (&err); - continue; - } - if (!devices) - continue; - - for (i = 0; i < num_devices; i++) { - if (creator->is_device_fn (self, devices[i])) - emit_udi_added (self, devices[i], creator); - } - - libhal_free_string_array (devices); - } -} - -static gboolean -hal_init (NMHalManager *self) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - DBusError error; - DBusGConnection *connection; - - priv->hal_ctx = libhal_ctx_new (); - if (!priv->hal_ctx) { - nm_warning ("Could not get connection to the HAL service."); - return FALSE; - } - - connection = nm_dbus_manager_get_connection (priv->dbus_mgr); - libhal_ctx_set_dbus_connection (priv->hal_ctx, - dbus_g_connection_get_connection (connection)); - - dbus_error_init (&error); - if (!libhal_ctx_init (priv->hal_ctx, &error)) { - nm_warning ("libhal_ctx_init() failed: %s\n" - "Make sure the hal daemon is running?", - error.message); - goto error; - } - - libhal_ctx_set_user_data (priv->hal_ctx, self); - libhal_ctx_set_device_added (priv->hal_ctx, device_added); - libhal_ctx_set_device_removed (priv->hal_ctx, device_removed); - libhal_ctx_set_device_new_capability (priv->hal_ctx, device_new_capability); - - libhal_device_property_watch_all (priv->hal_ctx, &error); - if (dbus_error_is_set (&error)) { - nm_error ("libhal_device_property_watch_all(): %s", error.message); - libhal_ctx_shutdown (priv->hal_ctx, NULL); - goto error; - } - - return TRUE; - -error: - if (dbus_error_is_set (&error)) - dbus_error_free (&error); - if (priv->hal_ctx) { - libhal_ctx_free (priv->hal_ctx); - priv->hal_ctx = NULL; - } - return FALSE; -} - -static void -hal_deinit (NMHalManager *self) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - DBusError error; - - if (!priv->hal_ctx) - return; - - dbus_error_init (&error); - libhal_ctx_shutdown (priv->hal_ctx, &error); - if (dbus_error_is_set (&error)) { - nm_warning ("libhal shutdown failed - %s", error.message); - dbus_error_free (&error); - } - - libhal_ctx_free (priv->hal_ctx); - priv->hal_ctx = NULL; -} - -static void -name_owner_changed (NMDBusManager *dbus_mgr, - const char *name, - const char *old, - const char *new, - gpointer user_data) -{ - NMHalManager *self = NM_HAL_MANAGER (user_data); - gboolean old_owner_good = (old && (strlen (old) > 0)); - gboolean new_owner_good = (new && (strlen (new) > 0)); - - /* Only care about signals from HAL */ - if (strcmp (name, HAL_DBUS_SERVICE)) - return; - - if (!old_owner_good && new_owner_good) { - nm_info ("HAL re-appeared"); - /* HAL just appeared */ - if (!hal_init (self)) - nm_warning ("Could not re-connect to HAL!!"); - else - g_signal_emit (self, signals[HAL_REAPPEARED], 0); - } else if (old_owner_good && !new_owner_good) { - /* HAL went away. Bad HAL. */ - nm_info ("HAL disappeared"); - hal_deinit (self); - } -} - -static void -connection_changed (NMDBusManager *dbus_mgr, - DBusGConnection *connection, - gpointer user_data) -{ - NMHalManager *self = NM_HAL_MANAGER (user_data); - - if (!connection) { - hal_deinit (self); - return; - } - - if (nm_dbus_manager_name_has_owner (dbus_mgr, HAL_DBUS_SERVICE)) { - if (!hal_init (self)) - nm_warning ("Could not re-connect to HAL!!"); - } -} - -void -nm_hal_manager_query_devices (NMHalManager *self) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - - /* Find hardware we care about */ - if (priv->hal_ctx) - add_initial_devices (self); -} - -gboolean -nm_hal_manager_udi_exists (NMHalManager *self, const char *udi) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - - return libhal_device_property_exists (priv->hal_ctx, udi, "info.udi", NULL); -} - -NMHalManager * -nm_hal_manager_new (void) -{ - NMHalManager *self; - NMHalManagerPrivate *priv; - - self = NM_HAL_MANAGER (g_object_new (NM_TYPE_HAL_MANAGER, NULL)); - - priv = NM_HAL_MANAGER_GET_PRIVATE (self); - if (!nm_dbus_manager_name_has_owner (priv->dbus_mgr, HAL_DBUS_SERVICE)) { - nm_info ("Waiting for HAL to start..."); - return self; - } - - if (!hal_init (self)) { - g_object_unref (self); - self = NULL; - } - - return self; -} - -static void -nm_hal_manager_init (NMHalManager *self) -{ - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - - priv->dbus_mgr = nm_dbus_manager_get (); - - register_built_in_creators (self); - - g_signal_connect (priv->dbus_mgr, - "name-owner-changed", - G_CALLBACK (name_owner_changed), - self); - g_signal_connect (priv->dbus_mgr, - "dbus-connection-changed", - G_CALLBACK (connection_changed), - self); -} - -static void -destroy_creator (gpointer data, gpointer user_data) -{ - DeviceCreator *creator = (DeviceCreator *) data; - - g_free (creator->capability_str); - g_free (creator->category); - g_slice_free (DeviceCreator, data); -} - -static void -dispose (GObject *object) -{ - NMHalManager *self = NM_HAL_MANAGER (object); - NMHalManagerPrivate *priv = NM_HAL_MANAGER_GET_PRIVATE (self); - - if (priv->disposed) { - G_OBJECT_CLASS (nm_hal_manager_parent_class)->dispose (object); - return; - } - priv->disposed = TRUE; - - g_object_unref (priv->dbus_mgr); - - g_slist_foreach (priv->device_creators, destroy_creator, NULL); - g_slist_free (priv->device_creators); - - hal_deinit (self); - - G_OBJECT_CLASS (nm_hal_manager_parent_class)->dispose (object); -} - -static void -nm_hal_manager_class_init (NMHalManagerClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - g_type_class_add_private (klass, sizeof (NMHalManagerPrivate)); - - /* virtual methods */ - object_class->dispose = dispose; - - /* Signals */ - signals[UDI_ADDED] = - g_signal_new ("udi-added", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (NMHalManagerClass, udi_added), - NULL, NULL, - _nm_marshal_VOID__STRING_STRING_POINTER_POINTER, - G_TYPE_NONE, 4, - G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER); - - signals[UDI_REMOVED] = - g_signal_new ("udi-removed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (NMHalManagerClass, udi_removed), - NULL, NULL, - g_cclosure_marshal_VOID__STRING, - G_TYPE_NONE, 1, - G_TYPE_STRING); - - signals[HAL_REAPPEARED] = - g_signal_new ("hal-reappeared", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (NMHalManagerClass, hal_reappeared), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); -} - |