projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| acddc0ed | 1 | // SPDX-License-Identifier: ISC |
| 8429abe0 RW |
2 | /* $OpenBSD$ */ |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org> | |
| 8429abe0 RW |
6 | */ |
| 7 | ||
| eac6e3f0 | 8 | #include <zebra.h> |
| 8429abe0 RW |
9 | |
| 10 | #include "ldpd.h" | |
| 11 | #include "ldpe.h" | |
| 12 | #include "log.h" | |
| eac6e3f0 | 13 | #include "ldp_debug.h" |
| 8429abe0 RW |
14 | |
| 15 | void | |
| 16 | send_keepalive(struct nbr *nbr) | |
| 17 | { | |
| 18 | struct ibuf *buf; | |
| 19 | uint16_t size; | |
| 20 | ||
| 21 | size = LDP_HDR_SIZE + LDP_MSG_SIZE; | |
| 22 | if ((buf = ibuf_open(size)) == NULL) | |
| 23 | fatal(__func__); | |
| 24 | ||
| 25 | gen_ldp_hdr(buf, size); | |
| 26 | size -= LDP_HDR_SIZE; | |
| 27 | gen_msg_hdr(buf, MSG_TYPE_KEEPALIVE, size); | |
| 28 | ||
| 903a7226 | 29 | debug_kalive_send("keepalive: lsr-id %pI4", &nbr->id); |
| eac6e3f0 | 30 | |
| 8429abe0 | 31 | evbuf_enqueue(&nbr->tcp->wbuf, buf); |
| 0f7b5df9 | 32 | nbr->stats.kalive_sent++; |
| 8429abe0 RW |
33 | } |
| 34 | ||
| 35 | int | |
| 36 | recv_keepalive(struct nbr *nbr, char *buf, uint16_t len) | |
| 37 | { | |
| 38 | struct ldp_msg msg; | |
| 39 | ||
| 40 | memcpy(&msg, buf, sizeof(msg)); | |
| 41 | if (len != LDP_MSG_SIZE) { | |
| 42 | session_shutdown(nbr, S_BAD_MSG_LEN, msg.id, msg.type); | |
| 43 | return (-1); | |
| 44 | } | |
| 45 | ||
| 903a7226 | 46 | debug_kalive_recv("keepalive: lsr-id %pI4", &nbr->id); |
| eac6e3f0 | 47 | |
| 8429abe0 RW |
48 | if (nbr->state != NBR_STA_OPER) |
| 49 | nbr_fsm(nbr, NBR_EVT_KEEPALIVE_RCVD); | |
| 50 | ||
| 51 | return (0); | |
| 52 | } |