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 along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef _ZEBRA_ZSERV_H
  22 #define _ZEBRA_ZSERV_H
  23
  24 #include "rib.h"
  25 #include "if.h"
  26 #include "workqueue.h"
  27 #include "vrf.h"
  28 #include "routemap.h"
  29 #include "vty.h"
  30 #include "zclient.h"
  31
  32 #include "zebra/zebra_ns.h"
  33 #include "zebra/zebra_pw.h"
  34 //#include "zebra/zebra_pbr.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_fifo *ibuf_fifo;
  51         struct stream_fifo *obuf_fifo;
  52
  53         /* Private I/O buffers */
  54         struct stream *ibuf_work;
  55         struct stream *obuf_work;
  56
  57         /* Buffer of data waiting to be written to client. */
  58         struct buffer *wb;
  59
  60         /* Threads for read/write. */
  61         struct thread *t_read;
  62         struct thread *t_write;
  63
  64         /* Thread for delayed close. */
  65         struct thread *t_suicide;
  66
  67         /* default routing table this client munges */
  68         int rtm_table;
  69
  70         /* This client's redistribute flag. */
  71         struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  72         vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  73
  74         /* Redistribute default route flag. */
  75         vrf_bitmap_t redist_default;
  76
  77         /* Interface information. */
  78         vrf_bitmap_t ifinfo;
  79
  80         /* Router-id information. */
  81         vrf_bitmap_t ridinfo;
  82
  83         bool notify_owner;
  84
  85         /* client's protocol */
  86         u_char proto;
  87         u_short instance;
  88         u_char is_synchronous;
  89
  90         /* Statistics */
  91         u_int32_t redist_v4_add_cnt;
  92         u_int32_t redist_v4_del_cnt;
  93         u_int32_t redist_v6_add_cnt;
  94         u_int32_t redist_v6_del_cnt;
  95         u_int32_t v4_route_add_cnt;
  96         u_int32_t v4_route_upd8_cnt;
  97         u_int32_t v4_route_del_cnt;
  98         u_int32_t v6_route_add_cnt;
  99         u_int32_t v6_route_del_cnt;
 100         u_int32_t v6_route_upd8_cnt;
 101         u_int32_t connected_rt_add_cnt;
 102         u_int32_t connected_rt_del_cnt;
 103         u_int32_t ifup_cnt;
 104         u_int32_t ifdown_cnt;
 105         u_int32_t ifadd_cnt;
 106         u_int32_t ifdel_cnt;
 107         u_int32_t if_bfd_cnt;
 108         u_int32_t bfd_peer_add_cnt;
 109         u_int32_t bfd_peer_upd8_cnt;
 110         u_int32_t bfd_peer_del_cnt;
 111         u_int32_t bfd_peer_replay_cnt;
 112         u_int32_t vrfadd_cnt;
 113         u_int32_t vrfdel_cnt;
 114         u_int32_t if_vrfchg_cnt;
 115         u_int32_t bfd_client_reg_cnt;
 116         u_int32_t vniadd_cnt;
 117         u_int32_t vnidel_cnt;
 118         u_int32_t l3vniadd_cnt;
 119         u_int32_t l3vnidel_cnt;
 120         u_int32_t macipadd_cnt;
 121         u_int32_t macipdel_cnt;
 122         u_int32_t prefixadd_cnt;
 123         u_int32_t prefixdel_cnt;
 124
 125         time_t connect_time;
 126         time_t last_read_time;
 127         time_t last_write_time;
 128         time_t nh_reg_time;
 129         time_t nh_dereg_time;
 130         time_t nh_last_upd_time;
 131
 132         int last_read_cmd;
 133         int last_write_cmd;
 134 };
 135
 136 /* ZAPI protocol structs */
 137 struct zmsghdr {
 138         uint16_t length;
 139         uint8_t marker;
 140         uint8_t version;
 141         uint32_t vrf_id;
 142         uint16_t command;
 143 };
 144
 145 #define ZAPI_HANDLER_ARGS                                                      \
 146         struct zserv *client, struct zmsghdr *hdr, struct stream *msg,         \
 147                 struct zebra_vrf *zvrf
 148
 149 /* Zebra instance */
 150 struct zebra_t {
 151         /* Thread master */
 152         struct thread_master *master;
 153         struct list *client_list;
 154
 155         /* default table */
 156         u_int32_t rtm_table_default;
 157
 158 /* rib work queue */
 159 #define ZEBRA_RIB_PROCESS_HOLD_TIME 10
 160         struct work_queue *ribq;
 161         struct meta_queue *mq;
 162
 163         /* LSP work queue */
 164         struct work_queue *lsp_process_q;
 165
 166 #define ZEBRA_ZAPI_PACKETS_TO_PROCESS 10
 167         u_int32_t packets_to_process;
 168 };
 169 extern struct zebra_t zebrad;
 170 extern unsigned int multipath_num;
 171
 172 /* Prototypes. */
 173 extern void zserv_init(void);
 174 extern void zebra_zserv_socket_init(char *path);
 175
 176 extern int zsend_vrf_add(struct zserv *, struct zebra_vrf *);
 177 extern int zsend_vrf_delete(struct zserv *, struct zebra_vrf *);
 178
 179 extern int zsend_interface_add(struct zserv *, struct interface *);
 180 extern int zsend_interface_delete(struct zserv *, struct interface *);
 181 extern int zsend_interface_addresses(struct zserv *, struct interface *);
 182 extern int zsend_interface_address(int, struct zserv *, struct interface *,
 183                                    struct connected *);
 184 extern void nbr_connected_add_ipv6(struct interface *, struct in6_addr *);
 185 extern void nbr_connected_delete_ipv6(struct interface *, struct in6_addr *);
 186 extern int zsend_interface_update(int, struct zserv *, struct interface *);
 187 extern int zsend_redistribute_route(int, struct zserv *, struct prefix *,
 188                                     struct prefix *, struct route_entry *);
 189 extern int zsend_router_id_update(struct zserv *, struct prefix *, vrf_id_t);
 190 extern int zsend_interface_vrf_update(struct zserv *, struct interface *,
 191                                       vrf_id_t);
 192
 193 extern int zsend_interface_link_params(struct zserv *, struct interface *);
 194 extern int zsend_pw_update(struct zserv *, struct zebra_pw *);
 195
 196 extern int zsend_route_notify_owner(struct route_entry *re, struct prefix *p,
 197                                     enum zapi_route_notify_owner note);
 198
 199 struct zebra_pbr_rule;
 200 extern void zsend_rule_notify_owner(struct zebra_pbr_rule *rule,
 201                                     enum zapi_rule_notify_owner note);
 202
 203 extern void zserv_nexthop_num_warn(const char *, const struct prefix *,
 204                                    const unsigned int);
 205 extern int zebra_server_send_message(struct zserv *client, struct stream *msg);
 206
 207 extern struct zserv *zebra_find_client(u_char proto, u_short instance);
 208
 209 #if defined(HANDLE_ZAPI_FUZZING)
 210 extern void zserv_read_file(char *input);
 211 #endif
 212
 213 #endif /* _ZEBRA_ZEBRA_H */