zebra/zserv.h

   1 /* Zebra daemon server header.
   2  * Copyright (C) 1997, 98 Kunihiro Ishiguro
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
  18  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19  * 02111-1307, USA.
  20  */
  21
  22 #ifndef _ZEBRA_ZSERV_H
  23 #define _ZEBRA_ZSERV_H
  24
  25 #include "rib.h"
  26 #include "if.h"
  27 #include "workqueue.h"
  28 #include "routemap.h"
  29 #include "vty.h"
  30 #include "zclient.h"
  31 #include "vrf.h"
  32
  33 /* Default port information. */
  34 #define ZEBRA_VTY_PORT                2601
  35
  36 /* Default configuration filename. */
  37 #define DEFAULT_CONFIG_FILE "zebra.conf"
  38
  39 #define ZEBRA_RMAP_DEFAULT_UPDATE_TIMER 5 /* disabled by default */
  40
  41 /* Client structure. */
  42 struct zserv
  43 {
  44   /* Client file descriptor. */
  45   int sock;
  46
  47   /* Input/output buffer to the client. */
  48   struct stream *ibuf;
  49   struct stream *obuf;
  50
  51   /* Buffer of data waiting to be written to client. */
  52   struct buffer *wb;
  53
  54   /* Threads for read/write. */
  55   struct thread *t_read;
  56   struct thread *t_write;
  57
  58   /* Thread for delayed close. */
  59   struct thread *t_suicide;
  60
  61   /* default routing table this client munges */
  62   int rtm_table;
  63
  64   /* This client's redistribute flag. */
  65   struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  66   vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  67
  68   /* Redistribute default route flag. */
  69   vrf_bitmap_t redist_default;
  70
  71   /* Interface information. */
  72   vrf_bitmap_t ifinfo;
  73
  74   /* Router-id information. */
  75   vrf_bitmap_t ridinfo;
  76
  77   /* client's protocol */
  78   u_char proto;
  79   u_short instance;
  80
  81   /* Statistics */
  82   u_int32_t redist_v4_add_cnt;
  83   u_int32_t redist_v4_del_cnt;
  84   u_int32_t redist_v6_add_cnt;
  85   u_int32_t redist_v6_del_cnt;
  86   u_int32_t v4_route_add_cnt;
  87   u_int32_t v4_route_upd8_cnt;
  88   u_int32_t v4_route_del_cnt;
  89   u_int32_t v6_route_add_cnt;
  90   u_int32_t v6_route_del_cnt;
  91   u_int32_t v6_route_upd8_cnt;
  92   u_int32_t connected_rt_add_cnt;
  93   u_int32_t connected_rt_del_cnt;
  94   u_int32_t ifup_cnt;
  95   u_int32_t ifdown_cnt;
  96   u_int32_t ifadd_cnt;
  97   u_int32_t ifdel_cnt;
  98   u_int32_t if_bfd_cnt;
  99   u_int32_t bfd_peer_add_cnt;
 100   u_int32_t bfd_peer_upd8_cnt;
 101   u_int32_t bfd_peer_del_cnt;
 102   u_int32_t bfd_peer_replay_cnt;
 103   u_int32_t vrfadd_cnt;
 104   u_int32_t vrfdel_cnt;
 105   u_int32_t if_vrfchg_cnt;
 106   u_int32_t bfd_client_reg_cnt;
 107
 108   time_t connect_time;
 109   time_t last_read_time;
 110   time_t last_write_time;
 111   time_t nh_reg_time;
 112   time_t nh_dereg_time;
 113   time_t nh_last_upd_time;
 114
 115   int last_read_cmd;
 116   int last_write_cmd;
 117 };
 118
 119 /* Zebra instance */
 120 struct zebra_t
 121 {
 122   /* Thread master */
 123   struct thread_master *master;
 124   struct list *client_list;
 125
 126   /* default table */
 127   u_int32_t rtm_table_default;
 128
 129   /* rib work queue */
 130   struct work_queue *ribq;
 131   struct meta_queue *mq;
 132 };
 133
 134 /* Prototypes. */
 135 extern void zebra_init (void);
 136 extern void zebra_if_init (void);
 137 extern void zebra_zserv_socket_init (char *path);
 138 extern void hostinfo_get (void);
 139 extern void rib_init (void);
 140 extern void interface_list (struct zebra_ns *);
 141 extern void route_read (struct zebra_ns *);
 142 extern void kernel_init (struct zebra_ns *);
 143 extern void kernel_terminate (struct zebra_ns *);
 144 extern void zebra_route_map_init (void);
 145 extern void zebra_snmp_init (void);
 146 extern void zebra_vty_init (void);
 147
 148 extern int zsend_vrf_add (struct zserv *, struct zebra_vrf *);
 149 extern int zsend_vrf_delete (struct zserv *, struct zebra_vrf *);
 150
 151 extern int zsend_interface_add (struct zserv *, struct interface *);
 152 extern int zsend_interface_delete (struct zserv *, struct interface *);
 153 extern int zsend_interface_addresses (struct zserv *, struct interface *);
 154 extern int zsend_interface_address (int, struct zserv *, struct interface *,
 155                                     struct connected *);
 156 extern void nbr_connected_replacement_add_ipv6 (struct interface *,
 157                                                 struct in6_addr *, u_char);
 158 extern void nbr_connected_delete_ipv6 (struct interface *, struct in6_addr *, u_char);
 159 extern int zsend_interface_update (int, struct zserv *, struct interface *);
 160 extern int zsend_redistribute_route (int, struct zserv *, struct prefix *,
 161                                      struct rib *);
 162 extern int zsend_router_id_update (struct zserv *, struct prefix *,
 163                                    vrf_id_t);
 164 extern int zsend_interface_vrf_update (struct zserv *, struct interface *,
 165                                        vrf_id_t);
 166
 167 extern pid_t pid;
 168
 169 extern void zserv_create_header(struct stream *s, uint16_t cmd, vrf_id_t vrf_id);
 170 extern void zserv_nexthop_num_warn(const char *, const struct prefix *, const u_char);
 171 extern int zebra_server_send_message(struct zserv *client);
 172
 173 extern void zebra_route_map_write_delay_timer(struct vty *);
 174 extern route_map_result_t zebra_route_map_check (int family, int rib_type,
 175                                                  struct prefix *p,
 176                                                  struct nexthop *nexthop,
 177                                                  vrf_id_t vrf_id,
 178                                                  u_short tag);
 179 extern route_map_result_t zebra_nht_route_map_check (int family,
 180                                                      int client_proto,
 181                                                      struct prefix *p,
 182                                                      struct rib *,
 183                                                      struct nexthop *nexthop);
 184
 185 #endif /* _ZEBRA_ZEBRA_H */