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 "vrf.h"
  29 #include "routemap.h"
  30 #include "vty.h"
  31 #include "zclient.h"
  32
  33 #include "zebra/zebra_ns.h"
  34 #include "zebra/zebra_pw.h"
  35
  36 /* Default port information. */
  37 #define ZEBRA_VTY_PORT                2601
  38
  39 /* Default configuration filename. */
  40 #define DEFAULT_CONFIG_FILE "zebra.conf"
  41
  42 #define ZEBRA_RMAP_DEFAULT_UPDATE_TIMER 5 /* disabled by default */
  43
  44 /* Client structure. */
  45 struct zserv {
  46         /* Client file descriptor. */
  47         int sock;
  48
  49         /* Input/output buffer to the client. */
  50         struct stream *ibuf;
  51         struct stream *obuf;
  52
  53         /* Buffer of data waiting to be written to client. */
  54         struct buffer *wb;
  55
  56         /* Threads for read/write. */
  57         struct thread *t_read;
  58         struct thread *t_write;
  59
  60         /* Thread for delayed close. */
  61         struct thread *t_suicide;
  62
  63         /* default routing table this client munges */
  64         int rtm_table;
  65
  66         /* This client's redistribute flag. */
  67         struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  68         vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  69
  70         /* Redistribute default route flag. */
  71         vrf_bitmap_t redist_default;
  72
  73         /* Interface information. */
  74         vrf_bitmap_t ifinfo;
  75
  76         /* Router-id information. */
  77         vrf_bitmap_t ridinfo;
  78
  79         /* client's protocol */
  80         u_char proto;
  81         u_short instance;
  82         u_char is_synchronous;
  83
  84         /* Statistics */
  85         u_int32_t redist_v4_add_cnt;
  86         u_int32_t redist_v4_del_cnt;
  87         u_int32_t redist_v6_add_cnt;
  88         u_int32_t redist_v6_del_cnt;
  89         u_int32_t v4_route_add_cnt;
  90         u_int32_t v4_route_upd8_cnt;
  91         u_int32_t v4_route_del_cnt;
  92         u_int32_t v6_route_add_cnt;
  93         u_int32_t v6_route_del_cnt;
  94         u_int32_t v6_route_upd8_cnt;
  95         u_int32_t connected_rt_add_cnt;
  96         u_int32_t connected_rt_del_cnt;
  97         u_int32_t ifup_cnt;
  98         u_int32_t ifdown_cnt;
  99         u_int32_t ifadd_cnt;
 100         u_int32_t ifdel_cnt;
 101         u_int32_t if_bfd_cnt;
 102         u_int32_t bfd_peer_add_cnt;
 103         u_int32_t bfd_peer_upd8_cnt;
 104         u_int32_t bfd_peer_del_cnt;
 105         u_int32_t bfd_peer_replay_cnt;
 106         u_int32_t vrfadd_cnt;
 107         u_int32_t vrfdel_cnt;
 108         u_int32_t if_vrfchg_cnt;
 109         u_int32_t bfd_client_reg_cnt;
 110
 111         time_t connect_time;
 112         time_t last_read_time;
 113         time_t last_write_time;
 114         time_t nh_reg_time;
 115         time_t nh_dereg_time;
 116         time_t nh_last_upd_time;
 117
 118         int last_read_cmd;
 119         int last_write_cmd;
 120 };
 121
 122 /* Zebra instance */
 123 struct zebra_t {
 124         /* Thread master */
 125         struct thread_master *master;
 126         struct list *client_list;
 127
 128         /* default table */
 129         u_int32_t rtm_table_default;
 130
 131         /* rib work queue */
 132         struct work_queue *ribq;
 133         struct meta_queue *mq;
 134
 135         /* LSP work queue */
 136         struct work_queue *lsp_process_q;
 137 };
 138 extern struct zebra_t zebrad;
 139 extern unsigned int multipath_num;
 140
 141 /* Prototypes. */
 142 extern void zebra_init(void);
 143 extern void zebra_if_init(void);
 144 extern void zebra_zserv_socket_init(char *path);
 145 extern void hostinfo_get(void);
 146 extern void rib_init(void);
 147 extern void interface_list(struct zebra_ns *);
 148 extern void route_read(struct zebra_ns *);
 149 extern void kernel_init(struct zebra_ns *);
 150 extern void kernel_terminate(struct zebra_ns *);
 151 extern void zebra_route_map_init(void);
 152 extern void zebra_vty_init(void);
 153
 154 extern int zsend_vrf_add(struct zserv *, struct zebra_vrf *);
 155 extern int zsend_vrf_delete(struct zserv *, struct zebra_vrf *);
 156
 157 extern int zsend_interface_add(struct zserv *, struct interface *);
 158 extern int zsend_interface_delete(struct zserv *, struct interface *);
 159 extern int zsend_interface_addresses(struct zserv *, struct interface *);
 160 extern int zsend_interface_address(int, struct zserv *, struct interface *,
 161                                    struct connected *);
 162 extern void nbr_connected_add_ipv6(struct interface *, struct in6_addr *);
 163 extern void nbr_connected_delete_ipv6(struct interface *, struct in6_addr *);
 164 extern int zsend_interface_update(int, struct zserv *, struct interface *);
 165 extern int zsend_redistribute_route(int, struct zserv *, struct prefix *,
 166                                     struct prefix *, struct rib *);
 167 extern int zsend_router_id_update(struct zserv *, struct prefix *, vrf_id_t);
 168 extern int zsend_interface_vrf_update(struct zserv *, struct interface *,
 169                                       vrf_id_t);
 170
 171 extern int zsend_interface_link_params(struct zserv *, struct interface *);
 172 extern int zsend_pw_update(struct zserv *, struct zebra_pw *);
 173
 174 extern pid_t pid;
 175
 176 extern void zserv_create_header(struct stream *s, uint16_t cmd,
 177                                 vrf_id_t vrf_id);
 178 extern void zserv_nexthop_num_warn(const char *, const struct prefix *,
 179                                    const unsigned int);
 180 extern int zebra_server_send_message(struct zserv *client);
 181
 182 extern struct zserv *zebra_find_client(u_char proto);
 183
 184 #endif /* _ZEBRA_ZEBRA_H */