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/* BGP-4 Finite State Machine
From RFC1771 [A Border Gateway Protocol 4 (BGP-4)]
Copyright (C) 1998 Kunihiro Ishiguro
This file is part of GNU Zebra.
GNU Zebra is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
GNU Zebra is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Zebra; see the file COPYING. If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef _QUAGGA_BGP_FSM_H
#define _QUAGGA_BGP_FSM_H
/* Macro for BGP read, write and timer thread. */
#define BGP_READ_ON(T,F,V) \
do { \
if (!(T) && (peer->status != Deleted)) \
THREAD_READ_ON(master,T,F,peer,V); \
} while (0)
#define BGP_READ_OFF(T) \
do { \
if (T) \
THREAD_READ_OFF(T); \
} while (0)
#define BGP_WRITE_ON(T,F,V) \
do { \
if (!(T) && (peer->status != Deleted)) \
THREAD_WRITE_ON(master,(T),(F),peer,(V)); \
} while (0)
#define BGP_WRITE_OFF(T) \
do { \
if (T) \
THREAD_WRITE_OFF(T); \
} while (0)
#define BGP_TIMER_ON(T,F,V) \
do { \
if (!(T) && (peer->status != Deleted)) \
THREAD_TIMER_ON(master,(T),(F),peer,(V)); \
} while (0)
#define BGP_TIMER_OFF(T) \
do { \
if (T) \
THREAD_TIMER_OFF(T); \
} while (0)
#define BGP_EVENT_ADD(P,E) \
do { \
if ((P)->status != Deleted) \
thread_add_event (master, bgp_event, (P), (E)); \
} while (0)
#define BGP_EVENT_FLUSH(P) \
do { \
assert (peer); \
thread_cancel_event (master, (P)); \
} while (0)
#define BGP_EVENT_FLUSH_ADD(P,E) \
do { \
BGP_EVENT_FLUSH(P); \
BGP_EVENT_ADD(P,E); \
} while (0)
/* Prototypes. */
extern int bgp_event (struct thread *);
extern int bgp_stop (struct peer *peer);
extern void bgp_timer_set (struct peer *);
extern void bgp_fsm_change_status (struct peer *peer, int status);
extern const char *peer_down_str[];
#endif /* _QUAGGA_BGP_FSM_H */
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