Annotation of embedaddon/quagga/lib/zclient.h, revision 1.1.1.1
1.1 misho 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 6
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: /* Buffer of data waiting to be written to zebra. */
54: struct buffer *wb;
55:
56: /* Read and connect thread. */
57: struct thread *t_read;
58: struct thread *t_connect;
59:
60: /* Thread to write buffered data to zebra. */
61: struct thread *t_write;
62:
63: /* Redistribute information. */
64: u_char redist_default;
65: u_char redist[ZEBRA_ROUTE_MAX];
66:
67: /* Redistribute defauilt. */
68: u_char default_information;
69:
70: /* Pointer to the callback functions. */
71: int (*router_id_update) (int, struct zclient *, uint16_t);
72: int (*interface_add) (int, struct zclient *, uint16_t);
73: int (*interface_delete) (int, struct zclient *, uint16_t);
74: int (*interface_up) (int, struct zclient *, uint16_t);
75: int (*interface_down) (int, struct zclient *, uint16_t);
76: int (*interface_address_add) (int, struct zclient *, uint16_t);
77: int (*interface_address_delete) (int, struct zclient *, uint16_t);
78: int (*ipv4_route_add) (int, struct zclient *, uint16_t);
79: int (*ipv4_route_delete) (int, struct zclient *, uint16_t);
80: int (*ipv6_route_add) (int, struct zclient *, uint16_t);
81: int (*ipv6_route_delete) (int, struct zclient *, uint16_t);
82: };
83:
84: /* Zebra API message flag. */
85: #define ZAPI_MESSAGE_NEXTHOP 0x01
86: #define ZAPI_MESSAGE_IFINDEX 0x02
87: #define ZAPI_MESSAGE_DISTANCE 0x04
88: #define ZAPI_MESSAGE_METRIC 0x08
89:
90: /* Zserv protocol message header */
91: struct zserv_header
92: {
93: uint16_t length;
94: uint8_t marker; /* corresponds to command field in old zserv
95: * always set to 255 in new zserv.
96: */
97: uint8_t version;
98: #define ZSERV_VERSION 1
99: uint16_t command;
100: };
101:
102: /* Zebra IPv4 route message API. */
103: struct zapi_ipv4
104: {
105: u_char type;
106:
107: u_char flags;
108:
109: u_char message;
110:
111: u_char nexthop_num;
112: struct in_addr **nexthop;
113:
114: u_char ifindex_num;
115: unsigned int *ifindex;
116:
117: u_char distance;
118:
119: u_int32_t metric;
120: };
121:
122: /* Prototypes of zebra client service functions. */
123: extern struct zclient *zclient_new (void);
124: extern void zclient_init (struct zclient *, int);
125: extern int zclient_start (struct zclient *);
126: extern void zclient_stop (struct zclient *);
127: extern void zclient_reset (struct zclient *);
128: extern void zclient_free (struct zclient *);
129:
130: /* Get TCP socket connection to zebra daemon at loopback address. */
131: extern int zclient_socket (void);
132:
133: /* Get unix stream socket connection to zebra daemon at given path. */
134: extern int zclient_socket_un (const char *);
135:
136: /* Send redistribute command to zebra daemon. Do not update zclient state. */
137: extern int zebra_redistribute_send (int command, struct zclient *, int type);
138:
139: /* If state has changed, update state and call zebra_redistribute_send. */
140: extern void zclient_redistribute (int command, struct zclient *, int type);
141:
142: /* If state has changed, update state and send the command to zebra. */
143: extern void zclient_redistribute_default (int command, struct zclient *);
144:
145: /* Send the message in zclient->obuf to the zebra daemon (or enqueue it).
146: Returns 0 for success or -1 on an I/O error. */
147: extern int zclient_send_message(struct zclient *);
148:
149: /* create header for command, length to be filled in by user later */
150: extern void zclient_create_header (struct stream *, uint16_t);
151:
152: extern struct interface *zebra_interface_add_read (struct stream *);
153: extern struct interface *zebra_interface_state_read (struct stream *s);
154: extern struct connected *zebra_interface_address_read (int, struct stream *);
155: extern void zebra_interface_if_set_value (struct stream *, struct interface *);
156: extern void zebra_router_id_update_read (struct stream *s, struct prefix *rid);
157: extern int zapi_ipv4_route (u_char, struct zclient *, struct prefix_ipv4 *,
158: struct zapi_ipv4 *);
159:
160: #ifdef HAVE_IPV6
161: /* IPv6 prefix add and delete function prototype. */
162:
163: struct zapi_ipv6
164: {
165: u_char type;
166:
167: u_char flags;
168:
169: u_char message;
170:
171: u_char nexthop_num;
172: struct in6_addr **nexthop;
173:
174: u_char ifindex_num;
175: unsigned int *ifindex;
176:
177: u_char distance;
178:
179: u_int32_t metric;
180: };
181:
182: extern int zapi_ipv6_route (u_char cmd, struct zclient *zclient,
183: struct prefix_ipv6 *p, struct zapi_ipv6 *api);
184: #endif /* HAVE_IPV6 */
185:
186: #endif /* _ZEBRA_ZCLIENT_H */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to zclient.h CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / quagga / lib