gluon-packages/net/respondd-module-lldp/src/respondd.c

52 lines
1.8 KiB
C

#include <respondd.h>
#include <json-c/json.h>
#include <lldpctl.h>
#include <lldp-const.h>
static struct json_object * respondd_provider_neighbours(void) {
lldpctl_conn_t *conn;
lldpctl_atom_t *ifaces, *iface, *port, *neighbors, *neighbor;
const char *ctlname, *neighmac, *portmac;
struct json_object *ret, *ret_lldp, *neighbors_obj;
ret_lldp = json_object_new_object();
ctlname = lldpctl_get_default_transport();
conn = lldpctl_new_name(ctlname, NULL, NULL, NULL);
ifaces = lldpctl_get_interfaces(conn);
lldpctl_atom_foreach(ifaces, iface) {
port = lldpctl_get_port(iface);
// check if Port ID Subtype is MAC address
if (lldpctl_atom_get_int(port, lldpctl_k_port_id_subtype) != LLDP_PORTID_SUBTYPE_LLADDR)
continue;
portmac = lldpctl_atom_get_str(port, lldpctl_k_port_id);
if (!portmac)
continue;
neighbors_obj = json_object_new_object();
neighbors = lldpctl_atom_get(port, lldpctl_k_port_neighbors);
lldpctl_atom_foreach(neighbors, neighbor) {
// check if Chassis ID Subtype is MAC address
if (lldpctl_atom_get_int(neighbor, lldpctl_k_chassis_id_subtype) != LLDP_CHASSISID_SUBTYPE_LLADDR)
continue;
neighmac = lldpctl_atom_get_str(neighbor, lldpctl_k_chassis_id);
if (!neighmac)
continue;
json_object_object_add(neighbors_obj, neighmac, json_object_new_object());
}
json_object_object_add(ret_lldp, portmac, neighbors_obj);
}
ret = json_object_new_object();
json_object_object_add(ret, "lldp", ret_lldp);
return ret;
}
const struct respondd_provider_info respondd_providers[] = {
{"neighbours", respondd_provider_neighbours},
{}
};