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Annotation of embedaddon/quagga/bgpd/bgp_fsm.h, revision 1.1

1.1     ! misho       1: /* BGP-4 Finite State Machine   
        !             2:    From RFC1771 [A Border Gateway Protocol 4 (BGP-4)]
        !             3:    Copyright (C) 1998 Kunihiro Ishiguro
        !             4: 
        !             5: This file is part of GNU Zebra.
        !             6: 
        !             7: GNU Zebra is free software; you can redistribute it and/or modify it
        !             8: under the terms of the GNU General Public License as published by the
        !             9: Free Software Foundation; either version 2, or (at your option) any
        !            10: later version.
        !            11: 
        !            12: GNU Zebra is distributed in the hope that it will be useful, but
        !            13: WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            15: General Public License for more details.
        !            16: 
        !            17: You should have received a copy of the GNU General Public License
        !            18: along with GNU Zebra; see the file COPYING.  If not, write to the Free
        !            19: Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !            20: 02111-1307, USA.  */
        !            21: 
        !            22: #ifndef _QUAGGA_BGP_FSM_H
        !            23: #define _QUAGGA_BGP_FSM_H
        !            24: 
        !            25: /* Macro for BGP read, write and timer thread.  */
        !            26: #define BGP_READ_ON(T,F,V)                     \
        !            27:   do {                                         \
        !            28:     if (!(T) && (peer->status != Deleted))     \
        !            29:       THREAD_READ_ON(master,T,F,peer,V);       \
        !            30:   } while (0)
        !            31: 
        !            32: #define BGP_READ_OFF(T)                                \
        !            33:   do {                                         \
        !            34:     if (T)                                     \
        !            35:       THREAD_READ_OFF(T);                      \
        !            36:   } while (0)
        !            37: 
        !            38: #define BGP_WRITE_ON(T,F,V)                    \
        !            39:   do {                                         \
        !            40:     if (!(T) && (peer->status != Deleted))     \
        !            41:       THREAD_WRITE_ON(master,(T),(F),peer,(V)); \
        !            42:   } while (0)
        !            43:     
        !            44: #define BGP_WRITE_OFF(T)                       \
        !            45:   do {                                         \
        !            46:     if (T)                                     \
        !            47:       THREAD_WRITE_OFF(T);                     \
        !            48:   } while (0)
        !            49: 
        !            50: #define BGP_TIMER_ON(T,F,V)                    \
        !            51:   do {                                         \
        !            52:     if (!(T) && (peer->status != Deleted))     \
        !            53:       THREAD_TIMER_ON(master,(T),(F),peer,(V)); \
        !            54:   } while (0)
        !            55: 
        !            56: #define BGP_TIMER_OFF(T)                       \
        !            57:   do {                                         \
        !            58:     if (T)                                     \
        !            59:       THREAD_TIMER_OFF(T);                     \
        !            60:   } while (0)
        !            61: 
        !            62: #define BGP_EVENT_ADD(P,E)                     \
        !            63:   do {                                         \
        !            64:     if ((P)->status != Deleted)                        \
        !            65:       thread_add_event (master, bgp_event, (P), (E)); \
        !            66:   } while (0)
        !            67: 
        !            68: #define BGP_EVENT_FLUSH(P)                     \
        !            69:   do {                                                 \
        !            70:     assert (peer);                             \
        !            71:     thread_cancel_event (master, (P));                 \
        !            72:   } while (0)
        !            73: 
        !            74: /* Prototypes. */
        !            75: extern int bgp_event (struct thread *);
        !            76: extern int bgp_stop (struct peer *peer);
        !            77: extern void bgp_timer_set (struct peer *);
        !            78: extern void bgp_fsm_change_status (struct peer *peer, int status);
        !            79: extern const char *peer_down_str[];
        !            80: 
        !            81: #endif /* _QUAGGA_BGP_FSM_H */