#include "nm-core-internal.h"
#include "nm-default-route-manager.h"
#include "nm-route-manager.h"
+#include "nm-lldp-listener.h"
#include "sd-ipv4ll.h"
#include "nm-audit-manager.h"
PROP_HW_ADDRESS,
PROP_HAS_PENDING_ACTION,
PROP_METERED,
+ PROP_LLDP_NEIGHBORS,
LAST_PROP
};
NMMetered metered;
NMConnectionProvider *con_provider;
+ NMLldpListener *lldp_listener;
} NMDevicePrivate;
static gboolean nm_device_set_ip4_config (NMDevice *self,
update_dynamic_ip_setup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
+ GError *error;
g_hash_table_remove_all (priv->ip6_saved_properties);
if (priv->dnsmasq_manager) {
/* FIXME: todo */
}
+
+ if (priv->lldp_listener && nm_lldp_listener_is_running (priv->lldp_listener)) {
+ nm_lldp_listener_stop (priv->lldp_listener);
+ if (!nm_lldp_listener_start (priv->lldp_listener, nm_device_get_ifindex (self),
+ nm_device_get_iface (self), &error)) {
+ _LOGD (LOGD_DEVICE, "LLDP listener %p could not be restarted: %s",
+ priv->lldp_listener, error->message);
+ g_clear_error (&error);
+ }
+ }
}
static void
nm_device_activate_schedule_stage2_device_config (self);
}
+static void
+lldp_neighbors_changed (NMLldpListener *lldp_listener, GParamSpec *pspec,
+ gpointer user_data)
+{
+ NMDevice *self = NM_DEVICE (user_data);
+
+ g_object_notify (G_OBJECT (self), NM_DEVICE_LLDP_NEIGHBORS);
+}
+
+static gboolean
+lldp_rx_enabled (NMDevice *self)
+{
+ NMConnection *connection;
+ NMSettingConnection *s_con;
+ NMSettingConnectionLldp lldp = NM_SETTING_CONNECTION_LLDP_DEFAULT;
+
+ connection = nm_device_get_applied_connection (self);
+ g_return_val_if_fail (connection, FALSE);
+
+ s_con = nm_connection_get_setting_connection (connection);
+ g_return_val_if_fail (s_con, FALSE);
+
+ lldp = nm_setting_connection_get_lldp (s_con);
+ if (lldp == NM_SETTING_CONNECTION_LLDP_DEFAULT) {
+ gs_free char *value = NULL;
+
+ value = nm_config_data_get_connection_default (NM_CONFIG_GET_DATA,
+ "connection.lldp",
+ self);
+ lldp = _nm_utils_ascii_str_to_int64 (value, 10,
+ NM_SETTING_CONNECTION_LLDP_DEFAULT,
+ NM_SETTING_CONNECTION_LLDP_ENABLE_RX,
+ NM_SETTING_CONNECTION_LLDP_DEFAULT);
+ if (lldp == NM_SETTING_CONNECTION_LLDP_DEFAULT)
+ lldp = NM_SETTING_CONNECTION_LLDP_DISABLE;
+ }
+ return lldp == NM_SETTING_CONNECTION_LLDP_ENABLE_RX;
+}
+
static NMActStageReturn
act_stage1_prepare (NMDevice *self, NMDeviceStateReason *reason)
{
nm_device_queue_recheck_assume (info->slave);
}
+ if (lldp_rx_enabled (self)) {
+ gs_free_error GError *error = NULL;
+
+ if (priv->lldp_listener)
+ nm_lldp_listener_stop (priv->lldp_listener);
+ else {
+ priv->lldp_listener = nm_lldp_listener_new ();
+ g_signal_connect (priv->lldp_listener,
+ "notify::" NM_LLDP_LISTENER_NEIGHBORS,
+ G_CALLBACK (lldp_neighbors_changed),
+ self);
+ }
+
+ if (nm_lldp_listener_start (priv->lldp_listener, nm_device_get_ifindex (self),
+ nm_device_get_iface (self), &error))
+ _LOGD (LOGD_DEVICE, "LLDP listener %p started", priv->lldp_listener);
+ else {
+ _LOGD (LOGD_DEVICE, "LLDP listener %p could not be started: %s",
+ priv->lldp_listener, error->message);
+ }
+ }
+
nm_device_activate_schedule_stage3_ip_config_start (self);
}
nm_platform_address_flush (NM_PLATFORM_GET, ifindex);
}
+ if (priv->lldp_listener)
+ nm_lldp_listener_stop (priv->lldp_listener);
+
nm_device_update_metered (self);
_cleanup_generic_post (self, cleanup_type);
}
nm_clear_g_source (&priv->device_link_changed_id);
nm_clear_g_source (&priv->device_ip_link_changed_id);
+ if (priv->lldp_listener) {
+ g_signal_handlers_disconnect_by_func (priv->lldp_listener,
+ G_CALLBACK (lldp_neighbors_changed),
+ self);
+ nm_lldp_listener_stop (priv->lldp_listener);
+ g_clear_object (&priv->lldp_listener);
+ }
+
G_OBJECT_CLASS (nm_device_parent_class)->dispose (object);
}
GPtrArray *array;
GHashTableIter iter;
NMConnection *connection;
+ GVariantBuilder array_builder;
switch (prop_id) {
case PROP_UDI:
case PROP_METERED:
g_value_set_uint (value, priv->metered);
break;
+ case PROP_LLDP_NEIGHBORS:
+ if (priv->lldp_listener)
+ g_value_set_variant (value, nm_lldp_listener_get_neighbors (priv->lldp_listener));
+ else {
+ g_variant_builder_init (&array_builder, G_VARIANT_TYPE ("aa{sv}"));
+ g_value_take_variant (value, g_variant_builder_end (&array_builder));
+ }
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property
+ (object_class, PROP_LLDP_NEIGHBORS,
+ g_param_spec_variant (NM_DEVICE_LLDP_NEIGHBORS, "", "",
+ G_VARIANT_TYPE ("aa{sv}"),
+ NULL,
+ G_PARAM_READABLE |
+ G_PARAM_STATIC_STRINGS));
+
/* Signals */
signals[STATE_CHANGED] =
g_signal_new ("state-changed",
--- /dev/null
+/* -*- 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) 2015 Red Hat, Inc.
+ */
+
+#include "config.h"
+
+#include <net/ethernet.h>
+
+#include "sd-lldp.h"
+#include "lldp.h"
+#include "nm-lldp-listener.h"
+#include "nm-platform.h"
+#include "nm-utils.h"
+
+#define MAX_NEIGHBORS 4096
+#define MIN_UPDATE_INTERVAL 2
+
+typedef struct {
+ char *iface;
+ int ifindex;
+ sd_lldp *lldp_handle;
+ GHashTable *lldp_neighbors;
+ guint timer;
+ guint num_pending_events;
+ GVariant *variant;
+} NMLldpListenerPrivate;
+
+enum {
+ PROP_0,
+ PROP_NEIGHBORS,
+
+ LAST_PROP
+};
+
+G_DEFINE_TYPE (NMLldpListener, nm_lldp_listener, G_TYPE_OBJECT)
+
+#define NM_LLDP_LISTENER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_LLDP_LISTENER, NMLldpListenerPrivate))
+
+typedef struct {
+ guint8 chassis_id_type;
+ guint8 port_id_type;
+ char *chassis_id;
+ char *port_id;
+
+ int dest;
+
+ GHashTable *tlvs;
+} LLDPNeighbor;
+
+static void process_lldp_neighbors (NMLldpListener *self);
+
+static void
+gvalue_destroy (gpointer data)
+{
+ GValue *value = (GValue *) data;
+
+ g_value_unset (value);
+ g_slice_free (GValue, value);
+}
+
+static GValue *
+gvalue_new_nstr (const char *str, guint16 len)
+{
+ GValue *value;
+
+ value = g_slice_new0 (GValue);
+ g_value_init (value, G_TYPE_STRING);
+ g_value_take_string (value, strndup (str, len));
+ return value;
+}
+
+static GValue *
+gvalue_new_uint (guint val)
+{
+ GValue *value;
+
+ value = g_slice_new0 (GValue);
+ g_value_init (value, G_TYPE_UINT);
+ g_value_set_uint (value, val);
+ return value;
+}
+
+static guint
+lldp_neighbor_id_hash (gconstpointer ptr)
+{
+ const LLDPNeighbor *neigh = ptr;
+
+ return g_str_hash (neigh->chassis_id) ^
+ g_str_hash (neigh->port_id) ^
+ neigh->chassis_id_type ^
+ (neigh->port_id_type * 33);
+}
+
+static gboolean
+lldp_neighbor_id_equal (gconstpointer a, gconstpointer b)
+{
+ const LLDPNeighbor *x = a, *y = b;
+
+ return x->chassis_id_type == y->chassis_id_type &&
+ x->port_id_type == y->port_id_type &&
+ !g_strcmp0 (x->chassis_id, y->chassis_id) &&
+ !g_strcmp0 (x->port_id, y->port_id);
+}
+
+static void
+lldp_neighbor_free (gpointer data)
+{
+ LLDPNeighbor *neighbor = data;
+
+ if (neighbor) {
+ g_free (neighbor->chassis_id);
+ g_free (neighbor->port_id);
+ g_hash_table_unref (neighbor->tlvs);
+ g_free (neighbor);
+ }
+}
+
+static gboolean
+lldp_neighbor_equal (LLDPNeighbor *a, LLDPNeighbor *b)
+{
+ GHashTableIter iter;
+ gpointer k, v;
+
+ g_return_val_if_fail (a && a->tlvs, FALSE);
+ g_return_val_if_fail (b && b->tlvs, FALSE);
+
+ if ( a->chassis_id_type != b->chassis_id_type
+ || a->port_id_type != b->port_id_type
+ || a->dest != b->dest
+ || g_strcmp0 (a->chassis_id, b->chassis_id)
+ || g_strcmp0 (a->port_id, b->port_id))
+ return FALSE;
+
+ if (g_hash_table_size (a->tlvs) != g_hash_table_size (b->tlvs))
+ return FALSE;
+
+ g_hash_table_iter_init (&iter, a->tlvs);
+ while (g_hash_table_iter_next (&iter, &k, &v)) {
+ GValue *value_a, *value_b;
+
+ value_a = v;
+ value_b = g_hash_table_lookup (b->tlvs, k);
+
+ if (!value_b)
+ return FALSE;
+
+ g_return_val_if_fail (G_VALUE_TYPE (value_a) == G_VALUE_TYPE (value_b), FALSE);
+
+ if (G_VALUE_HOLDS_STRING (value_a)) {
+ if (g_strcmp0 (g_value_get_string (value_a), g_value_get_string (value_b)))
+ return FALSE;
+ } else if (G_VALUE_HOLDS_UINT (value_a)) {
+ if (g_value_get_uint (value_a) != g_value_get_uint (value_b))
+ return FALSE;
+ } else
+ g_return_val_if_reached (FALSE);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+lldp_hash_table_equal (GHashTable *a, GHashTable *b)
+{
+ GHashTableIter iter;
+ gpointer val;
+
+ g_return_val_if_fail (a, FALSE);
+ g_return_val_if_fail (b, FALSE);
+
+ if (g_hash_table_size (a) != g_hash_table_size (b))
+ return FALSE;
+
+ g_hash_table_iter_init (&iter, a);
+ while (g_hash_table_iter_next (&iter, NULL, &val)) {
+ LLDPNeighbor *neigh_a, *neigh_b;
+
+ neigh_a = val;
+ neigh_b = g_hash_table_lookup (b, val);
+
+ if (!neigh_b)
+ return FALSE;
+
+ if (!lldp_neighbor_equal (neigh_a, neigh_b))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+lldp_timeout (gpointer user_data)
+{
+ NMLldpListener *self = NM_LLDP_LISTENER (user_data);
+ NMLldpListenerPrivate *priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
+
+ priv->timer = 0;
+
+ if (priv->num_pending_events)
+ process_lldp_neighbors (self);
+
+ return G_SOURCE_REMOVE;
+}
+
+static void
+process_lldp_neighbors (NMLldpListener *self)
+{
+ NMLldpListenerPrivate *priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
+ sd_lldp_packet **packets = NULL;
+ GHashTable *hash;
+ int num, i;
+
+ num = sd_lldp_get_packets (priv->lldp_handle, &packets);
+ if (num < 0) {
+ nm_log_dbg (LOGD_DEVICE, "LLDP: error %d retrieving neighbor packets for %s",
+ num, priv->iface);
+ return;
+ }
+
+ hash = g_hash_table_new_full (lldp_neighbor_id_hash, lldp_neighbor_id_equal,
+ lldp_neighbor_free, NULL);
+
+ for (i = 0; packets && i < num; i++) {
+ uint8_t chassis_id_type, port_id_type, *chassis_id, *port_id, data8;
+ uint16_t chassis_id_len, port_id_len, len, data16;
+ LLDPNeighbor *neigh;
+ GValue *value;
+ char *str;
+ int r;
+
+ if (i >= MAX_NEIGHBORS)
+ goto next_packet;
+
+ r = sd_lldp_packet_read_chassis_id (packets[i], &chassis_id_type,
+ &chassis_id, &chassis_id_len);
+ if (r < 0)
+ goto next_packet;
+
+ r = sd_lldp_packet_read_port_id (packets[i], &port_id_type,
+ &port_id, &port_id_len);
+ if (r < 0)
+ goto next_packet;
+
+ neigh = g_malloc0 (sizeof (LLDPNeighbor));
+ neigh->tlvs = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, gvalue_destroy);
+ neigh->chassis_id_type = chassis_id_type;
+ neigh->port_id_type = port_id_type;
+ sd_lldp_packet_get_destination_type (packets[i], &neigh->dest);
+
+ if (chassis_id_len < 1) {
+ lldp_neighbor_free (neigh);
+ goto next_packet;
+ }
+
+ switch (chassis_id_type) {
+ case LLDP_CHASSIS_SUBTYPE_INTERFACE_ALIAS:
+ case LLDP_CHASSIS_SUBTYPE_INTERFACE_NAME:
+ case LLDP_CHASSIS_SUBTYPE_LOCALLY_ASSIGNED:
+ case LLDP_CHASSIS_SUBTYPE_CHASSIS_COMPONENT:
+ neigh->chassis_id = strndup ((char *) chassis_id, chassis_id_len);
+ break;
+ case LLDP_CHASSIS_SUBTYPE_MAC_ADDRESS:
+ neigh->chassis_id = nm_utils_hwaddr_ntoa (chassis_id, chassis_id_len);
+ break;
+ default:
+ nm_log_dbg (LOGD_DEVICE, "LLDP: unsupported chassis ID type %d", chassis_id_type);
+ lldp_neighbor_free (neigh);
+ goto next_packet;
+ }
+
+ if (port_id_len < 1) {
+ lldp_neighbor_free (neigh);
+ goto next_packet;
+ }
+
+ switch (port_id_type) {
+ case LLDP_PORT_SUBTYPE_INTERFACE_ALIAS:
+ case LLDP_PORT_SUBTYPE_INTERFACE_NAME:
+ case LLDP_PORT_SUBTYPE_LOCALLY_ASSIGNED:
+ case LLDP_PORT_SUBTYPE_PORT_COMPONENT:
+ neigh->port_id = strndup ((char *) port_id, port_id_len);
+ break;
+ case LLDP_PORT_SUBTYPE_MAC_ADDRESS:
+ neigh->port_id = nm_utils_hwaddr_ntoa (port_id, port_id_len);
+ break;
+ default:
+ nm_log_dbg (LOGD_DEVICE, "LLDP: unsupported port ID type %d", port_id_type);
+ lldp_neighbor_free (neigh);
+ goto next_packet;
+ }
+
+ if (sd_lldp_packet_read_port_description (packets[i], &str, &len) == 0) {
+ value = gvalue_new_nstr (str, len);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_PORT_DESCRIPTION, value);
+ }
+
+ if (sd_lldp_packet_read_system_name (packets[i], &str, &len) == 0) {
+ value = gvalue_new_nstr (str, len);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_SYSTEM_NAME, value);
+ }
+
+ if (sd_lldp_packet_read_system_description (packets[i], &str, &len) == 0) {
+ value = gvalue_new_nstr (str, len);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_SYSTEM_DESCRIPTION, value);
+ }
+
+ if (sd_lldp_packet_read_system_capability (packets[i], &data16) == 0) {
+ value = gvalue_new_uint (data16);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_SYSTEM_CAPABILITIES, value);
+ }
+
+ if (sd_lldp_packet_read_port_vlan_id (packets[i], &data16) == 0) {
+ value = gvalue_new_uint (data16);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_IEEE_802_1_PVID, value);
+ }
+
+ if (sd_lldp_packet_read_port_protocol_vlan_id (packets[i], &data8, &data16) == 0) {
+ value = gvalue_new_uint (data16);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_IEEE_802_1_PPVID, value);
+
+ value = gvalue_new_uint (data8);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_IEEE_802_1_PPVID_FLAGS, value);
+ }
+
+ if (sd_lldp_packet_read_vlan_name (packets[i], &data16, &str, &len) == 0) {
+ value = gvalue_new_uint (data16);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_IEEE_802_1_VID, value);
+
+ value = gvalue_new_nstr (str, len);
+ g_hash_table_insert (neigh->tlvs, NM_LLDP_ATTR_IEEE_802_1_VLAN_NAME, value);
+ }
+
+ nm_log_dbg (LOGD_DEVICE, "LLDP: new neigh: CHASSIS='%s' PORT='%s'",
+ neigh->chassis_id, neigh->port_id);
+
+ g_hash_table_add (hash, neigh);
+next_packet:
+ sd_lldp_packet_unref (packets[i]);
+ }
+
+ g_free (packets);
+
+ if (lldp_hash_table_equal (priv->lldp_neighbors, hash)) {
+ g_hash_table_destroy (hash);
+ } else {
+ g_hash_table_destroy (priv->lldp_neighbors);
+ priv->lldp_neighbors = hash;
+ nm_clear_g_variant (&priv->variant);
+ g_object_notify (G_OBJECT (self), NM_LLDP_LISTENER_NEIGHBORS);
+ }
+
+ /* Since the processing of the neighbor list is potentially
+ * expensive when there are many neighbors, coalesce multiple
+ * events arriving in short time.
+ */
+ priv->timer = g_timeout_add_seconds (MIN_UPDATE_INTERVAL, lldp_timeout, self);
+ priv->num_pending_events = 0;
+}
+
+static void
+lldp_event_handler (sd_lldp *lldp, int event, void *userdata)
+{
+ NMLldpListener *self = userdata;
+ NMLldpListenerPrivate *priv;
+
+ g_return_if_fail (NM_IS_LLDP_LISTENER (self));
+ priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
+
+ if (priv->timer > 0) {
+ priv->num_pending_events++;
+ return;
+ }
+
+ process_lldp_neighbors (self);
+}
+
+gboolean
+nm_lldp_listener_start (NMLldpListener *self, int ifindex, const char *iface,
+ GError **error)
+{
+ NMLldpListenerPrivate *priv;
+ const struct ether_addr *addr;
+ size_t addr_len;
+ 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;
+ }
+
+ addr = nm_platform_link_get_address (NM_PLATFORM_GET, ifindex, &addr_len);
+ if (!addr || addr_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, addr, &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_free (priv->lldp_handle);
+ priv->lldp_handle = NULL;
+ return FALSE;
+}
+
+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_free (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);
+}
+
+gboolean
+nm_lldp_listener_is_running (NMLldpListener *self)
+{
+ NMLldpListenerPrivate *priv;
+
+ g_return_val_if_fail (NM_IS_LLDP_LISTENER (self), FALSE);
+
+ priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
+ return !!priv->lldp_handle;
+}
+
+GVariant *
+nm_lldp_listener_get_neighbors (NMLldpListener *self)
+{
+ GVariantBuilder array_builder, neigh_builder;
+ GHashTableIter iter;
+ NMLldpListenerPrivate *priv;
+ LLDPNeighbor *neigh;
+ char *dest_str = NULL;
+
+ priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
+
+ if (priv->variant)
+ goto out;
+
+ g_variant_builder_init (&array_builder, G_VARIANT_TYPE ("aa{sv}"));
+ g_hash_table_iter_init (&iter, priv->lldp_neighbors);
+
+ while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &neigh)) {
+ GHashTableIter val_iter;
+ gpointer key, val;
+
+ g_variant_builder_init (&neigh_builder, G_VARIANT_TYPE ("a{sv}"));
+
+ g_variant_builder_add (&neigh_builder, "{sv}",
+ NM_LLDP_ATTR_CHASSIS_ID_TYPE,
+ g_variant_new_uint32 (neigh->chassis_id_type));
+ g_variant_builder_add (&neigh_builder, "{sv}",
+ NM_LLDP_ATTR_CHASSIS_ID,
+ g_variant_new_string (neigh->chassis_id));
+ g_variant_builder_add (&neigh_builder, "{sv}",
+ NM_LLDP_ATTR_PORT_ID_TYPE,
+ g_variant_new_uint32 (neigh->port_id_type));
+ g_variant_builder_add (&neigh_builder, "{sv}",
+ NM_LLDP_ATTR_PORT_ID,
+ g_variant_new_string (neigh->port_id));
+
+ switch (neigh->dest) {
+ case SD_LLDP_DESTINATION_TYPE_NEAREST_BRIDGE:
+ dest_str = NM_LLDP_DEST_NEAREST_BRIDGE;
+ break;
+ case SD_LLDP_DESTINATION_TYPE_NEAREST_NON_TPMR_BRIDGE:
+ dest_str = NM_LLDP_DEST_NEAREST_NON_TPMR_BRIDGE;
+ break;
+ case SD_LLDP_DESTINATION_TYPE_NEAREST_CUSTOMER_BRIDGE:
+ dest_str = NM_LLDP_DEST_NEAREST_CUSTOMER_BRIDGE;
+ break;
+ }
+
+ if (dest_str) {
+ g_variant_builder_add (&neigh_builder, "{sv}",
+ NM_LLDP_ATTR_DESTINATION,
+ g_variant_new_string (dest_str));
+ }
+
+ g_hash_table_iter_init (&val_iter, neigh->tlvs);
+ while (g_hash_table_iter_next (&val_iter, &key, &val)) {
+ GValue *item = val;
+
+ if (G_VALUE_HOLDS_STRING (item)) {
+ g_variant_builder_add (&neigh_builder, "{sv}",
+ key,
+ g_variant_new_string (g_value_get_string (item)));
+ } else if (G_VALUE_HOLDS_UINT (item)) {
+ g_variant_builder_add (&neigh_builder, "{sv}",
+ key,
+ g_variant_new_uint32 (g_value_get_uint (item)));
+ }
+ }
+
+ g_variant_builder_add (&array_builder, "a{sv}", &neigh_builder);
+ }
+
+ priv->variant = g_variant_ref_sink (g_variant_builder_end (&array_builder));
+
+out:
+ return priv->variant;
+}
+
+static void
+get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec)
+{
+ NMLldpListener *self = NM_LLDP_LISTENER (object);
+
+ switch (prop_id) {
+ case PROP_NEIGHBORS:
+ g_value_set_variant (value, nm_lldp_listener_get_neighbors (self));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+nm_lldp_listener_init (NMLldpListener *self)
+{
+ NMLldpListenerPrivate *priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
+
+ priv->lldp_neighbors = g_hash_table_new_full (lldp_neighbor_id_hash,
+ lldp_neighbor_id_equal,
+ lldp_neighbor_free, NULL);
+}
+
+NMLldpListener *
+nm_lldp_listener_new (void)
+{
+ return (NMLldpListener *) g_object_new (NM_TYPE_LLDP_LISTENER, NULL);
+}
+
+static void
+dispose (GObject *object)
+{
+ nm_lldp_listener_stop (NM_LLDP_LISTENER (object));
+
+ G_OBJECT_CLASS (nm_lldp_listener_parent_class)->dispose (object);
+}
+
+static void
+finalize (GObject *object)
+{
+ NMLldpListener *self = NM_LLDP_LISTENER (object);
+ NMLldpListenerPrivate *priv = NM_LLDP_LISTENER_GET_PRIVATE (self);
+
+ nm_lldp_listener_stop (self);
+ g_hash_table_unref (priv->lldp_neighbors);
+
+ nm_clear_g_variant (&priv->variant);
+
+ G_OBJECT_CLASS (nm_lldp_listener_parent_class)->finalize (object);
+}
+
+static void
+nm_lldp_listener_class_init (NMLldpListenerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ g_type_class_add_private (klass, sizeof (NMLldpListenerPrivate));
+
+ object_class->dispose = dispose;
+ object_class->finalize = finalize;
+ object_class->get_property = get_property;
+
+ g_object_class_install_property
+ (object_class, PROP_NEIGHBORS,
+ g_param_spec_variant (NM_LLDP_LISTENER_NEIGHBORS, "", "",
+ G_VARIANT_TYPE ("aa{sv}"),
+ NULL,
+ G_PARAM_READABLE |
+ G_PARAM_STATIC_STRINGS));
+}
+
projects / NetworkManager.git / commitdiff