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