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/* $OpenBSD: session.h,v 1.2 2003/12/19 21:07:05 henning Exp $ */
/*
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#define MAX_BACKLOG 5
#define INTERVAL_CONNECTRETRY 120
#define INTERVAL_HOLD_INITIAL 240
#define INTERVAL_HOLD 90
#define INTERVAL_START 90
#define MSGSIZE_HEADER 19
#define MSGSIZE_HEADER_MARKER 16
#define MSGSIZE_NOTIFICATION_MIN 21 /* 19 hdr + 1 code + 1 sub */
#define MSGSIZE_OPEN_MIN 29
#define MSGSIZE_UPDATE_MIN 23
#define MSGSIZE_KEEPALIVE MSGSIZE_HEADER
enum msg_type {
OPEN = 1,
UPDATE,
NOTIFICATION,
KEEPALIVE
};
enum err_codes {
ERR_HEADER = 1,
ERR_OPEN,
ERR_UPDATE,
ERR_HOLDTIMEREXPIRED,
ERR_FSM,
ERR_CEASE
};
enum suberr_header {
ERR_HDR_SYNC = 1,
ERR_HDR_LEN,
ERR_HDR_TYPE
};
enum suberr_open {
ERR_OPEN_VERSION = 1,
ERR_OPEN_AS,
ERR_OPEN_BGPID,
ERR_OPEN_OPT,
ERR_OPEN_AUTH,
ERR_OPEN_HOLDTIME
};
struct msg_header {
u_char marker[16];
u_int16_t len;
u_int8_t type;
};
struct msg_open {
struct msg_header header;
u_int8_t version;
u_int16_t myas;
u_int16_t holdtime;
u_int32_t bgpid;
u_int8_t optparamlen;
};
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