| paul | 718e374 | 2002-12-13 20:15:29 +0000 | [diff] [blame] | 1 | /* Zebra's client header. |
| 2 | * Copyright (C) 1999 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 |
| 8 | * the Free Software Foundation; either version 2, or (at your option) |
| 9 | * any 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 |
| 18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | * Boston, MA 02111-1307, USA. |
| 20 | */ |
| 21 | |
| 22 | #ifndef _ZEBRA_ZCLIENT_H |
| 23 | #define _ZEBRA_ZCLIENT_H |
| 24 | |
| 25 | /* For struct interface and struct connected. */ |
| 26 | #include "if.h" |
| 27 | |
| 28 | /* For input/output buffer to zebra. */ |
| 29 | #define ZEBRA_MAX_PACKET_SIZ 4096 |
| 30 | |
| 31 | /* Zebra header size. */ |
| 32 | #define ZEBRA_HEADER_SIZE 3 |
| 33 | |
| 34 | /* Structure for the zebra client. */ |
| 35 | struct zclient |
| 36 | { |
| 37 | /* Socket to zebra daemon. */ |
| 38 | int sock; |
| 39 | |
| 40 | /* Flag of communication to zebra is enabled or not. Default is on. |
| 41 | This flag is disabled by `no router zebra' statement. */ |
| 42 | int enable; |
| 43 | |
| 44 | /* Connection failure count. */ |
| 45 | int fail; |
| 46 | |
| 47 | /* Input buffer for zebra message. */ |
| 48 | struct stream *ibuf; |
| 49 | |
| 50 | /* Output buffer for zebra message. */ |
| 51 | struct stream *obuf; |
| 52 | |
| 53 | /* Read and connect thread. */ |
| 54 | struct thread *t_read; |
| 55 | struct thread *t_connect; |
| 56 | |
| 57 | /* Redistribute information. */ |
| 58 | u_char redist_default; |
| 59 | u_char redist[ZEBRA_ROUTE_MAX]; |
| 60 | |
| 61 | /* Redistribute defauilt. */ |
| 62 | u_char default_information; |
| 63 | |
| 64 | /* Pointer to the callback functions. */ |
| 65 | int (*interface_add) (int, struct zclient *, zebra_size_t); |
| 66 | int (*interface_delete) (int, struct zclient *, zebra_size_t); |
| 67 | int (*interface_up) (int, struct zclient *, zebra_size_t); |
| 68 | int (*interface_down) (int, struct zclient *, zebra_size_t); |
| 69 | int (*interface_address_add) (int, struct zclient *, zebra_size_t); |
| 70 | int (*interface_address_delete) (int, struct zclient *, zebra_size_t); |
| 71 | int (*ipv4_route_add) (int, struct zclient *, zebra_size_t); |
| 72 | int (*ipv4_route_delete) (int, struct zclient *, zebra_size_t); |
| 73 | int (*ipv6_route_add) (int, struct zclient *, zebra_size_t); |
| 74 | int (*ipv6_route_delete) (int, struct zclient *, zebra_size_t); |
| 75 | }; |
| 76 | |
| 77 | /* Zebra API message flag. */ |
| 78 | #define ZAPI_MESSAGE_NEXTHOP 0x01 |
| 79 | #define ZAPI_MESSAGE_IFINDEX 0x02 |
| 80 | #define ZAPI_MESSAGE_DISTANCE 0x04 |
| 81 | #define ZAPI_MESSAGE_METRIC 0x08 |
| 82 | |
| 83 | /* Zebra IPv4 route message API. */ |
| 84 | struct zapi_ipv4 |
| 85 | { |
| 86 | u_char type; |
| 87 | |
| 88 | u_char flags; |
| 89 | |
| 90 | u_char message; |
| 91 | |
| 92 | u_char nexthop_num; |
| 93 | struct in_addr **nexthop; |
| 94 | |
| 95 | u_char ifindex_num; |
| 96 | unsigned int *ifindex; |
| 97 | |
| 98 | u_char distance; |
| 99 | |
| 100 | u_int32_t metric; |
| 101 | }; |
| 102 | |
| 103 | int |
| 104 | zapi_ipv4_add (struct zclient *, struct prefix_ipv4 *, struct zapi_ipv4 *); |
| 105 | |
| 106 | int |
| 107 | zapi_ipv4_delete (struct zclient *, struct prefix_ipv4 *, struct zapi_ipv4 *); |
| 108 | |
| 109 | /* Prototypes of zebra client service functions. */ |
| 110 | struct zclient *zclient_new (void); |
| 111 | void zclient_free (struct zclient *); |
| 112 | void zclient_init (struct zclient *, int); |
| 113 | int zclient_start (struct zclient *); |
| 114 | void zclient_stop (struct zclient *); |
| 115 | void zclient_reset (struct zclient *); |
| 116 | int zclient_socket (); |
| 117 | int zclient_socket_un (char *); |
| 118 | |
| 119 | void zclient_redistribute_set (struct zclient *, int); |
| 120 | void zclient_redistribute_unset (struct zclient *, int); |
| 121 | |
| 122 | void zclient_redistribute_default_set (struct zclient *); |
| 123 | void zclient_redistribute_default_unset (struct zclient *); |
| 124 | |
| 125 | /* struct zebra *zebra_new (); */ |
| 126 | int zebra_redistribute_send (int, int, int); |
| 127 | |
| 128 | struct interface *zebra_interface_add_read (struct stream *); |
| 129 | struct interface *zebra_interface_state_read (struct stream *s); |
| 130 | struct connected *zebra_interface_address_add_read (struct stream *); |
| 131 | struct connected *zebra_interface_address_delete_read (struct stream *); |
| 132 | |
| 133 | #ifdef HAVE_IPV6 |
| 134 | /* IPv6 prefix add and delete function prototype. */ |
| 135 | |
| 136 | struct zapi_ipv6 |
| 137 | { |
| 138 | u_char type; |
| 139 | |
| 140 | u_char flags; |
| 141 | |
| 142 | u_char message; |
| 143 | |
| 144 | u_char nexthop_num; |
| 145 | struct in6_addr **nexthop; |
| 146 | |
| 147 | u_char ifindex_num; |
| 148 | unsigned int *ifindex; |
| 149 | |
| 150 | u_char distance; |
| 151 | |
| 152 | u_int32_t metric; |
| 153 | }; |
| 154 | |
| 155 | int |
| 156 | zapi_ipv6_add (struct zclient *zclient, struct prefix_ipv6 *p, |
| 157 | struct zapi_ipv6 *api); |
| 158 | int |
| 159 | zapi_ipv6_delete (struct zclient *zclient, struct prefix_ipv6 *p, |
| 160 | struct zapi_ipv6 *api); |
| 161 | |
| 162 | #endif /* HAVE_IPV6 */ |
| 163 | |
| 164 | #endif /* _ZEBRA_ZCLIENT_H */ |