static NMActStageReturn
act_stage1_prepare (NMDevice *device, NMDeviceStateReason *reason)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (device);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (device);
NMActStageReturn ret;
gboolean scanning;
ret = NM_DEVICE_CLASS (nm_device_olpc_mesh_parent_class)->act_stage1_prepare (device, reason);
if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
return ret;
/* disconnect companion device, if it is connected */
if (nm_device_get_act_request (NM_DEVICE (priv->companion))) {
_LOGI (LOGD_OLPC, "disconnecting companion device %s",
nm_device_get_iface (priv->companion));
/* FIXME: VPN stuff here is a bug; but we can't really change API now... */
nm_device_state_changed (NM_DEVICE (priv->companion),
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
_LOGI (LOGD_OLPC, "companion %s disconnected",
nm_device_get_iface (priv->companion));
}
/* wait with continuing configuration untill the companion device is done scanning */
g_object_get (priv->companion, "scanning", &scanning, NULL);
if (scanning) {
priv->stage1_waiting = TRUE;
return NM_ACT_STAGE_RETURN_POSTPONE;
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static void
get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
NMDeviceOlpcMesh *device = NM_DEVICE_OLPC_MESH (object);
_nm_object_ensure_inited (NM_OBJECT (object));
switch (prop_id) {
case PROP_HW_ADDRESS:
g_value_set_string (value, nm_device_olpc_mesh_get_hw_address (device));
break;
case PROP_COMPANION:
g_value_set_object (value, nm_device_olpc_mesh_get_companion (device));
break;
case PROP_ACTIVE_CHANNEL:
g_value_set_uint (value, nm_device_olpc_mesh_get_active_channel (device));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
check_companion_cb (gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
NMManager *manager;
GSList *list;
if (priv->companion != NULL) {
nm_device_state_changed (NM_DEVICE (user_data),
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_NONE);
return FALSE;
}
if (priv->device_added_id != 0)
return FALSE;
manager = nm_manager_get ();
priv->device_added_id = g_signal_connect (manager, "device-added",
G_CALLBACK (device_added_cb), self);
/* Try to find the companion if it's already known to the NMManager */
for (list = nm_manager_get_devices (manager); list ; list = g_slist_next (list)) {
if (is_companion (self, NM_DEVICE (list->data)))
break;
}
g_object_unref (manager);
return FALSE;
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMDeviceOlpcMesh *device = NM_DEVICE_OLPC_MESH (object);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (device);
struct ether_addr hw_addr;
switch (prop_id) {
case PROP_HW_ADDRESS:
nm_device_olpc_mesh_get_address (device, &hw_addr);
g_value_take_string (value, nm_utils_hwaddr_ntoa (&hw_addr, ARPHRD_ETHER));
break;
case PROP_COMPANION:
if (priv->companion)
g_value_set_boxed (value, nm_device_get_path (priv->companion));
else
g_value_set_boxed (value, "/");
break;
case PROP_ACTIVE_CHANNEL:
g_value_set_uint (value, wifi_utils_get_mesh_channel (priv->wifi_data));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
device_added_cb (NMManager *manager, NMDevice *other, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
is_companion (self, other);
}
static GObject*
constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params)
{
GObject *object;
GObjectClass *klass;
NMDeviceOlpcMesh *self;
NMDeviceWifiCapabilities caps;
klass = G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class);
object = klass->constructor (type, n_construct_params, construct_params);
if (!object)
return NULL;
self = NM_DEVICE_OLPC_MESH (object);
if (!nm_platform_wifi_get_capabilities (nm_device_get_ifindex (NM_DEVICE (self)), &caps)) {
_LOGW (LOGD_HW | LOGD_OLPC, "failed to initialize WiFi driver");
g_object_unref (object);
return NULL;
}
g_signal_connect (nm_manager_get (), "device-added", G_CALLBACK (device_added_cb), self);
g_signal_connect (nm_manager_get (), "device-removed", G_CALLBACK (device_removed_cb), self);
/* shorter timeout for mesh connectivity */
nm_device_set_dhcp_timeout (NM_DEVICE (self), 20);
return object;
}
static void
dispose (GObject *object)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (object);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
NMManager *manager;
if (priv->dispose_has_run) {
G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class)->dispose (object);
return;
}
priv->dispose_has_run = TRUE;
if (priv->wifi_data)
wifi_utils_deinit (priv->wifi_data);
device_cleanup (self);
manager = nm_manager_get ();
if (priv->device_added_id)
g_signal_handler_disconnect (manager, priv->device_added_id);
g_object_unref (manager);
G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class)->dispose (object);
}
static NMActStageReturn
real_act_stage2_config (NMDevice *dev, NMDeviceStateReason *reason)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (dev);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
NMConnection *connection;
NMSettingOlpcMesh *s_mesh;
NMActRequest *req;
guint32 channel;
const GByteArray *anycast_addr_array;
guint8 *anycast_addr = NULL;
req = nm_device_get_act_request (dev);
g_assert (req);
connection = nm_act_request_get_connection (req);
g_assert (connection);
s_mesh = NM_SETTING_OLPC_MESH (nm_connection_get_setting (connection, NM_TYPE_SETTING_OLPC_MESH));
g_assert (s_mesh);
channel = nm_setting_olpc_mesh_get_channel (s_mesh);
if (channel != 0)
_mesh_set_channel (self, channel);
wifi_utils_set_mesh_ssid (priv->wifi_data, nm_setting_olpc_mesh_get_ssid (s_mesh));
anycast_addr_array = nm_setting_olpc_mesh_get_dhcp_anycast_address (s_mesh);
if (anycast_addr_array)
anycast_addr = anycast_addr_array->data;
nm_device_set_dhcp_anycast_address (dev, anycast_addr);
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static void
real_update_hw_address (NMDevice *dev)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (dev);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
struct ifreq req;
int ret, fd;
fd = socket (PF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
nm_log_warn (LOGD_OLPC_MESH, "could not open control socket.");
return;
}
memset (&req, 0, sizeof (struct ifreq));
strncpy (req.ifr_name, nm_device_get_iface (dev), IFNAMSIZ);
ret = ioctl (fd, SIOCGIFHWADDR, &req);
if (ret) {
nm_log_warn (LOGD_OLPC_MESH, "(%s): error getting hardware address: %d",
nm_device_get_iface (dev), errno);
goto out;
}
if (memcmp (&priv->hw_addr, &req.ifr_hwaddr.sa_data, sizeof (struct ether_addr))) {
memcpy (&priv->hw_addr, &req.ifr_hwaddr.sa_data, sizeof (struct ether_addr));
g_object_notify (G_OBJECT (dev), NM_DEVICE_OLPC_MESH_HW_ADDRESS);
}
out:
close (fd);
}
static NMActStageReturn
act_stage2_config (NMDevice *device, NMDeviceStateReason *reason)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (device);
NMConnection *connection;
NMSettingOlpcMesh *s_mesh;
guint32 channel;
GBytes *ssid;
const char *anycast_addr;
connection = nm_device_get_connection (device);
g_assert (connection);
s_mesh = nm_connection_get_setting_olpc_mesh (connection);
g_assert (s_mesh);
channel = nm_setting_olpc_mesh_get_channel (s_mesh);
if (channel != 0)
_mesh_set_channel (self, channel);
ssid = nm_setting_olpc_mesh_get_ssid (s_mesh);
nm_platform_mesh_set_ssid (nm_device_get_ifindex (device),
g_bytes_get_data (ssid, NULL),
g_bytes_get_size (ssid));
anycast_addr = nm_setting_olpc_mesh_get_dhcp_anycast_address (s_mesh);
nm_device_set_dhcp_anycast_address (device, anycast_addr);
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static void
device_removed_cb (NMManager *manager, NMDevice *other, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
if (other == NM_DEVICE_OLPC_MESH_GET_PRIVATE (self)->companion)
companion_cleanup (self);
}
static gboolean
real_is_up (NMDevice *device)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (device);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
return priv->up;
}
static gboolean
real_bring_up (NMDevice *dev)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (dev);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
priv->up = TRUE;
return TRUE;
}
static gboolean
companion_scan_allowed_cb (NMDeviceWifi *companion, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceState state = nm_device_get_state (NM_DEVICE (self));
/* Don't allow the companion to scan while configuring the mesh interface */
return (state < NM_DEVICE_STATE_PREPARE) || (state > NM_DEVICE_STATE_IP_CONFIG);
}
static void
state_changed (NMDevice *device,
NMDeviceState new_state,
NMDeviceState old_state,
NMDeviceStateReason reason)
{
if (new_state == NM_DEVICE_STATE_UNAVAILABLE)
find_companion (NM_DEVICE_OLPC_MESH (device));
}
static void
constructed (GObject *object)
{
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (object);
G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class)->constructed (object);
priv->proxy = _nm_object_new_proxy (NM_OBJECT (object), NULL, NM_DBUS_INTERFACE_DEVICE_OLPC_MESH);
register_properties (NM_DEVICE_OLPC_MESH (object));
}
static gboolean
companion_autoconnect_allowed_cb (NMDeviceWifi *companion, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceState state = nm_device_get_state (NM_DEVICE (self));
/* Don't allow the companion to autoconnect while a mesh connection is
* active */
return (state < NM_DEVICE_STATE_PREPARE) || (state > NM_DEVICE_STATE_ACTIVATED);
}
static void
dispose (GObject *object)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (object);
companion_cleanup (self);
g_signal_handlers_disconnect_by_func (nm_manager_get (), G_CALLBACK (device_added_cb), self);
g_signal_handlers_disconnect_by_func (nm_manager_get (), G_CALLBACK (device_removed_cb), self);
G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class)->dispose (object);
}
static gboolean
companion_scan_allowed_cb (NMDeviceWifi *companion, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceState state;
g_object_get (G_OBJECT (self), NM_DEVICE_INTERFACE_STATE, &state, NULL);
/* Don't allow the companion to scan while configuring the mesh interface */
return (state < NM_DEVICE_STATE_PREPARE) || (state > NM_DEVICE_STATE_IP_CONFIG);
}
static gboolean
companion_autoconnect_allowed_cb (NMDeviceWifi *companion, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceState state;
g_object_get (G_OBJECT (self), NM_DEVICE_INTERFACE_STATE, &state, NULL);
/* Don't allow the companion to autoconnect while a mesh connection is
* active */
return (state < NM_DEVICE_STATE_PREPARE) || (state > NM_DEVICE_STATE_ACTIVATED);
}
static gboolean
is_available (NMDevice *device)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (device);
if (!NM_DEVICE_OLPC_MESH_GET_PRIVATE (self)->companion) {
_LOGD (LOGD_WIFI, "not available because companion not found");
return FALSE;
}
return TRUE;
}
static void
device_added_cb (NMManager *manager, NMDevice *other, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
if (!priv->companion && check_companion (self, other)) {
nm_device_state_changed (NM_DEVICE (self),
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_NONE);
nm_device_remove_pending_action (NM_DEVICE (self), "waiting for companion", TRUE);
}
}
static void
companion_notify_cb (NMDeviceWifi *companion, GParamSpec *pspec, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
gboolean scanning;
if (!priv->stage1_waiting)
return;
g_object_get (companion, "scanning", &scanning, NULL);
if (!scanning) {
priv->stage1_waiting = FALSE;
nm_device_activate_schedule_stage2_device_config (NM_DEVICE (self));
}
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMDeviceOlpcMesh *device = NM_DEVICE_OLPC_MESH (object);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (device);
switch (prop_id) {
case PROP_COMPANION:
nm_utils_g_value_set_object_path (value, priv->companion);
break;
case PROP_ACTIVE_CHANNEL:
g_value_set_uint (value, nm_platform_mesh_get_channel (NM_PLATFORM_GET, nm_device_get_ifindex (NM_DEVICE (device))));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/* disconnect from mesh if someone starts using the companion */
static void
companion_state_changed_cb (NMDeviceWifi *companion,
NMDeviceState state,
NMDeviceState old_state,
NMDeviceStateReason reason,
gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (user_data);
NMDeviceState self_state = nm_device_get_state (NM_DEVICE (self));
if ( self_state < NM_DEVICE_STATE_PREPARE
|| self_state > NM_DEVICE_STATE_ACTIVATED
|| state < NM_DEVICE_STATE_PREPARE
|| state > NM_DEVICE_STATE_ACTIVATED)
return;
_LOGD (LOGD_OLPC, "disconnecting mesh due to companion connectivity");
/* FIXME: VPN stuff here is a bug; but we can't really change API now... */
nm_device_state_changed (NM_DEVICE (self),
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
}
static GObject*
constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params)
{
GObject *object;
GObjectClass *klass;
NMDeviceOlpcMesh *self;
NMDeviceOlpcMeshPrivate *priv;
klass = G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class);
object = klass->constructor (type, n_construct_params, construct_params);
if (!object)
return NULL;
self = NM_DEVICE_OLPC_MESH (object);
priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
nm_log_dbg (LOGD_HW | LOGD_OLPC_MESH, "(%s): kernel ifindex %d",
nm_device_get_iface (NM_DEVICE (self)),
nm_device_get_ifindex (NM_DEVICE (self)));
priv->wifi_data = wifi_utils_init (nm_device_get_iface (NM_DEVICE (self)),
nm_device_get_ifindex (NM_DEVICE (self)),
FALSE);
if (priv->wifi_data == NULL) {
nm_log_warn (LOGD_HW | LOGD_OLPC_MESH, "(%s): failed to initialize WiFi driver",
nm_device_get_iface (NM_DEVICE (self)));
g_object_unref (object);
return NULL;
}
/* shorter timeout for mesh connectivity */
nm_device_set_dhcp_timeout (NM_DEVICE (self), 20);
return object;
}
static void
state_changed_cb (NMDevice *device, NMDeviceState state, gpointer user_data)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (device);
switch (state) {
case NM_DEVICE_STATE_UNMANAGED:
break;
case NM_DEVICE_STATE_UNAVAILABLE:
/* If transitioning to UNAVAILBLE and the companion device is known then
* transition to DISCONNECTED otherwise wait for our companion.
*/
g_idle_add (check_companion_cb, self);
break;
case NM_DEVICE_STATE_ACTIVATED:
break;
case NM_DEVICE_STATE_FAILED:
break;
case NM_DEVICE_STATE_DISCONNECTED:
break;
default:
break;
}
}
static const char *
get_hw_address (NMDevice *device)
{
return nm_device_olpc_mesh_get_hw_address (NM_DEVICE_OLPC_MESH (device));
}
static void
real_take_down (NMDevice *dev)
{
device_cleanup (NM_DEVICE_OLPC_MESH (dev));
}