static int process_overlapping_pfx(struct bgpcorsaro_pfxmonitor_state_t *state,
const bgpstream_record_t *bs_record,
const bgpstream_elem_t *elem)
{
char log_buffer[MAX_LOG_BUFFER_LEN] = "";
bgpstream_as_path_seg_t *origin_seg = NULL;
uint32_t origin_asn = 0;
if (elem->type == BGPSTREAM_ELEM_TYPE_WITHDRAWAL) {
/* remove pfx/peer from state structure */
rm_pfx_peer(state, &elem->prefix, elem->peer_asnumber);
} else /* (announcement or rib) */
{
/* get the origin asn (sets and confederations are ignored) */
origin_seg = bgpstream_as_path_get_origin_seg(elem->aspath);
if (origin_seg == NULL || origin_seg->type != BGPSTREAM_AS_PATH_SEG_ASN) {
fprintf(stderr, "WARN: ignoring AS sets and confederations\n");
} else {
/* valid origin ASN */
origin_asn = ((bgpstream_as_path_seg_asn_t *)origin_seg)->asn;
if (set_pfx_peer_origin(state, &elem->prefix, elem->peer_asnumber,
origin_asn) != 0) {
return -1;
}
}
}
/* we always print all the info to the log */
bgpstream_record_elem_snprintf(log_buffer, MAX_LOG_BUFFER_LEN, bs_record,
elem);
wandio_printf(state->outfile, "%s\n", log_buffer);
return 0;
}
static int print_elem(bgpstream_record_t *bs_record, bgpstream_elem_t *elem)
{
assert(bs_record);
assert(elem);
int len = 65536;
if(bgpstream_record_elem_snprintf(elem_buf, len, bs_record, elem) != NULL)
{
printf("%s\n", elem_buf);
return 0;
}
return -1;
}
