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Annotation of embedaddon/quagga/bgpd/bgp_fsm.h, revision 1.1.1.1

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 */