From 718e3744195351130f4ce7dbe0613f4b3e23df93 Mon Sep 17 00:00:00 2001 From: paul Date: Fri, 13 Dec 2002 20:15:29 +0000 Subject: Initial revision --- lib/zclient.h | 164 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 lib/zclient.h (limited to 'lib/zclient.h') diff --git a/lib/zclient.h b/lib/zclient.h new file mode 100644 index 00000000..66307c94 --- /dev/null +++ b/lib/zclient.h @@ -0,0 +1,164 @@ +/* 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; +}; + +int +zapi_ipv4_add (struct zclient *, struct prefix_ipv4 *, struct zapi_ipv4 *); + +int +zapi_ipv4_delete (struct zclient *, struct prefix_ipv4 *, struct zapi_ipv4 *); + +/* 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_set (struct zclient *, int); +void zclient_redistribute_unset (struct zclient *, int); + +void zclient_redistribute_default_set (struct zclient *); +void zclient_redistribute_default_unset (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_add_read (struct stream *); +struct connected *zebra_interface_address_delete_read (struct stream *); + +#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_add (struct zclient *zclient, struct prefix_ipv6 *p, + struct zapi_ipv6 *api); +int +zapi_ipv6_delete (struct zclient *zclient, struct prefix_ipv6 *p, + struct zapi_ipv6 *api); + +#endif /* HAVE_IPV6 */ + +#endif /* _ZEBRA_ZCLIENT_H */ -- cgit v1.2.1