1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* Zebra's client header.
* Copyright (C) 1999 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _ZEBRA_ZCLIENT_H
#define _ZEBRA_ZCLIENT_H
/* For struct interface and struct connected. */
#include "if.h"
/* For input/output buffer to zebra. */
#define ZEBRA_MAX_PACKET_SIZ 4096
/* Zebra header size. */
#define ZEBRA_HEADER_SIZE 3
/* Structure for the zebra client. */
struct zclient
{
/* Socket to zebra daemon. */
int sock;
/* Flag of communication to zebra is enabled or not. Default is on.
This flag is disabled by `no router zebra' statement. */
int enable;
/* Connection failure count. */
int fail;
/* Input buffer for zebra message. */
struct stream *ibuf;
/* Output buffer for zebra message. */
struct stream *obuf;
/* Read and connect thread. */
struct thread *t_read;
struct thread *t_connect;
/* Redistribute information. */
u_char redist_default;
u_char redist[ZEBRA_ROUTE_MAX];
/* Redistribute defauilt. */
u_char default_information;
/* Pointer to the callback functions. */
int (*interface_add) (int, struct zclient *, zebra_size_t);
int (*interface_delete) (int, struct zclient *, zebra_size_t);
int (*interface_up) (int, struct zclient *, zebra_size_t);
int (*interface_down) (int, struct zclient *, zebra_size_t);
int (*interface_address_add) (int, struct zclient *, zebra_size_t);
int (*interface_address_delete) (int, struct zclient *, zebra_size_t);
int (*ipv4_route_add) (int, struct zclient *, zebra_size_t);
int (*ipv4_route_delete) (int, struct zclient *, zebra_size_t);
int (*ipv6_route_add) (int, struct zclient *, zebra_size_t);
int (*ipv6_route_delete) (int, struct zclient *, zebra_size_t);
};
/* Zebra API message flag. */
#define ZAPI_MESSAGE_NEXTHOP 0x01
#define ZAPI_MESSAGE_IFINDEX 0x02
#define ZAPI_MESSAGE_DISTANCE 0x04
#define ZAPI_MESSAGE_METRIC 0x08
/* Zebra IPv4 route message API. */
struct zapi_ipv4
{
u_char type;
u_char flags;
u_char message;
u_char nexthop_num;
struct in_addr **nexthop;
u_char ifindex_num;
unsigned int *ifindex;
u_char distance;
u_int32_t metric;
};
/* Prototypes of zebra client service functions. */
struct zclient *zclient_new (void);
void zclient_free (struct zclient *);
void zclient_init (struct zclient *, int);
int zclient_start (struct zclient *);
void zclient_stop (struct zclient *);
void zclient_reset (struct zclient *);
int zclient_socket ();
int zclient_socket_un (char *);
void zclient_redistribute (int, struct zclient *, int);
void zclient_redistribute_default (int, struct zclient *);
/* struct zebra *zebra_new (); */
int zebra_redistribute_send (int, int, int);
struct interface *zebra_interface_add_read (struct stream *);
struct interface *zebra_interface_state_read (struct stream *s);
struct connected *zebra_interface_address_read (int, struct stream *);
int zapi_ipv4_route (u_char, struct zclient *, struct prefix_ipv4 *,
struct zapi_ipv4 *);
#ifdef HAVE_IPV6
/* IPv6 prefix add and delete function prototype. */
struct zapi_ipv6
{
u_char type;
u_char flags;
u_char message;
u_char nexthop_num;
struct in6_addr **nexthop;
u_char ifindex_num;
unsigned int *ifindex;
u_char distance;
u_int32_t metric;
};
int zapi_ipv6_route (u_char cmd, struct zclient *zclient,
struct prefix_ipv6 *p, struct zapi_ipv6 *api);
#endif /* HAVE_IPV6 */
#endif /* _ZEBRA_ZCLIENT_H */
|
