void
nm_lldp_listener_stop (NMLldpListener *self)
{
NMLldpListenerPrivate *priv;
guint size;
g_return_if_fail (NM_IS_LLDP_LISTENER (self));
priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
if (priv->lldp_handle) {
sd_lldp_stop (priv->lldp_handle);
sd_lldp_detach_event (priv->lldp_handle);
sd_lldp_unref (priv->lldp_handle);
g_clear_pointer (&priv->iface, g_free);
priv->lldp_handle = NULL;
size = g_hash_table_size (priv->lldp_neighbors);
g_hash_table_remove_all (priv->lldp_neighbors);
if (size) {
nm_clear_g_variant (&priv->variant);
g_object_notify (G_OBJECT (self), NM_LLDP_LISTENER_NEIGHBORS);
}
}
nm_clear_g_source (&priv->timer);
}
static int stop_lldp(sd_lldp *lldp) {
int r;
r = sd_lldp_stop(lldp);
if (r)
return r;
r = sd_lldp_detach_event(lldp);
if (r)
return r;
sd_lldp_unref(lldp);
safe_close(test_fd[1]);
return 0;
}
gboolean
nm_lldp_listener_start (NMLldpListener *self, int ifindex, const char *iface,
const guint8 *mac, guint mac_len, GError **error)
{
NMLldpListenerPrivate *priv;
int ret;
g_return_val_if_fail (NM_IS_LLDP_LISTENER (self), FALSE);
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (iface, FALSE);
g_return_val_if_fail (!error || !*error, FALSE);
priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
if (priv->lldp_handle) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
"already running");
return FALSE;
}
if (!mac || mac_len != ETH_ALEN) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
"unsupported device");
return FALSE;
}
ret = sd_lldp_new (ifindex, iface, (struct ether_addr *) mac, &priv->lldp_handle);
if (ret) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
"initialization failed");
return FALSE;
}
ret = sd_lldp_attach_event (priv->lldp_handle, NULL, 0);
if (ret) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
"attach event failed");
goto err_free;
}
ret = sd_lldp_set_callback (priv->lldp_handle, lldp_event_handler, self);
if (ret) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
"set callback failed");
goto err;
}
ret = sd_lldp_start (priv->lldp_handle);
if (ret) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
"start failed");
goto err;
}
priv->ifindex = ifindex;
priv->iface = strdup (iface);
return TRUE;
err:
sd_lldp_detach_event (priv->lldp_handle);
err_free:
sd_lldp_unref (priv->lldp_handle);
priv->lldp_handle = NULL;
return FALSE;
}
