53 lines
975 B
C
53 lines
975 B
C
|
// SPDX-License-Identifier: ISC
|
||
|
|
/* $OpenBSD$ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <zebra.h>
|
||
|
|
|
||
|
|
#include "ldpd.h"
|
||
|
|
#include "ldpe.h"
|
||
|
|
#include "log.h"
|
||
|
|
#include "ldp_debug.h"
|
||
|
|
|
||
|
|
void
|
||
|
|
send_keepalive(struct nbr *nbr)
|
||
|
|
{
|
||
|
|
struct ibuf *buf;
|
||
|
|
uint16_t size;
|
||
|
|
|
||
|
|
size = LDP_HDR_SIZE + LDP_MSG_SIZE;
|
||
|
|
if ((buf = ibuf_open(size)) == NULL)
|
||
|
|
fatal(__func__);
|
||
|
|
|
||
|
|
gen_ldp_hdr(buf, size);
|
||
|
|
size -= LDP_HDR_SIZE;
|
||
|
|
gen_msg_hdr(buf, MSG_TYPE_KEEPALIVE, size);
|
||
|
|
|
||
|
|
debug_kalive_send("keepalive: lsr-id %pI4", &nbr->id);
|
||
|
|
|
||
|
|
evbuf_enqueue(&nbr->tcp->wbuf, buf);
|
||
|
|
nbr->stats.kalive_sent++;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
recv_keepalive(struct nbr *nbr, char *buf, uint16_t len)
|
||
|
|
{
|
||
|
|
struct ldp_msg msg;
|
||
|
|
|
||
|
|
memcpy(&msg, buf, sizeof(msg));
|
||
|
|
if (len != LDP_MSG_SIZE) {
|
||
|
|
session_shutdown(nbr, S_BAD_MSG_LEN, msg.id, msg.type);
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
debug_kalive_recv("keepalive: lsr-id %pI4", &nbr->id);
|
||
|
|
|
||
|
|
if (nbr->state != NBR_STA_OPER)
|
||
|
|
nbr_fsm(nbr, NBR_EVT_KEEPALIVE_RCVD);
|
||
|
|
|
||
|
|
return (0);
|
||
|
|
}
|