mirror_frr/zebra/client_main.c

/*
 * GNU Zebra client test main routine.
 * Copyright (C) 1997 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 this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <zebra.h>

#include "prefix.h"
#include "stream.h"
#include "zclient.h"
#include "thread.h"
#include "table.h"
#include "zebra/rib.h"
#include "zebra/zserv.h"

struct thread *master;

/* Zebra client structure. */
struct zclient *zclient = NULL;

/* Zebra socket. */
int sock;

/* IPv4 route add and delete test. */
void zebra_test_ipv4(int command, int type, char *prefix, char *gateway,
		     uint8_t distance)
{
	struct zapi_ipv4 api;
	struct prefix_ipv4 p;
	struct in_addr gate;
	struct in_addr *gpnt;

	str2prefix_ipv4(prefix, &p);
	if (!inet_aton(gateway, &gate)) {
		printf("Gateway specified: %s is illegal\n", gateway);
		return;
	}

	gpnt = &gate;

	api.vrf_id = VRF_DEFAULT;
	api.type = type;
	api.flags = 0;

	api.message = 0;
	SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
	api.nexthop_num = 1;
	api.nexthop = &gpnt;
	api.ifindex_num = 0;
	if (distance) {
		SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE);
		api.distance = distance;
	}


	switch (command) {
	case ZEBRA_IPV4_ROUTE_ADD:
		zapi_ipv4_add(zclient, &p, &api);
		break;
	case ZEBRA_IPV4_ROUTE_DELETE:
		zapi_ipv4_delete(zclient, &p, &api);
		break;
	}
}

/* IPv6 route add and delete test. */
void zebra_test_v6(int sock)
{
	struct prefix_ipv6 p;
	struct in6_addr nexthop;

	str2prefix_ipv6("3ffe:506::2/128", &p);
	inet_pton(AF_INET6, "::1", &nexthop);

	/* zebra_ipv6_add (sock, ZEBRA_ROUTE_STATIC, 0, &p, &nexthop, 1); */

	sleep(5);
	/* zebra_ipv6_delete (sock, ZEBRA_ROUTE_STATIC, 0, &p, &nexthop, 1); */
}

/* Print out usage and exit. */
void usage_exit()
{
	fprintf(stderr, "Usage: client filename\n");
	exit(1);
}

struct zebra_info {
	char *str;
	int type;
} zebra_type[] = {{"static", ZEBRA_ROUTE_STATIC},
		  {"rip", ZEBRA_ROUTE_RIP},
		  {"ripng", ZEBRA_ROUTE_RIPNG},
		  {"ospf", ZEBRA_ROUTE_OSPF},
		  {"ospf6", ZEBRA_ROUTE_OSPF6},
		  {"bgp", ZEBRA_ROUTE_BGP},
		  {"nhrp", ZEBRA_ROUTE_NHRP},
		  {"pim", ZEBRA_ROUTE_PIM},
		  {NULL, 0}};

/* Zebra route simulator. */
void zebra_sim(FILE *fp)
{
	char buf[BUFSIZ];
	char distance_str[BUFSIZ];
	uint8_t distance;

	while (fgets(buf, sizeof buf, fp)) {
		int i;
		int ret;
		int type;
		char str[BUFSIZ], command[BUFSIZ], prefix[BUFSIZ],
			gateway[BUFSIZ];

		distance = 0;

		if (*buf == '#')
			continue;

		type = ZEBRA_ROUTE_STATIC;

		ret = sscanf(buf, "%s %s %s %s %s\n", command, str, prefix,
			     gateway, distance_str);

		if (ret == 5) {
			distance = atoi(distance_str);
		} else {
			ret = sscanf(buf, "%s %s %s %s\n", command, str, prefix,
				     gateway);

			if (ret != 4)
				continue;
		}

		for (i = 0; i < 10; i++) {
			if (!zebra_type[i].str)
				break;
			if (strcmp(zebra_type[i].str, str) == 0) {
				type = zebra_type[i].type;
				break;
			}
		}

		if (strcmp(command, "add") == 0) {
			zebra_test_ipv4(ZEBRA_IPV4_ROUTE_ADD, type, prefix,
					gateway, distance);
			printf("%s", buf);
			continue;
		}

		if (strcmp(command, "del") == 0) {
			zebra_test_ipv4(ZEBRA_IPV4_ROUTE_DELETE, type, prefix,
					gateway, distance);
			printf("%s", buf);
			continue;
		}
	}
}

/* Test zebra client main routine. */
int main(int argc, char **argv)
{
	struct thread_master *master;
	FILE *fp;

	if (argc == 1)
		usage_exit();

	master = thread_master_create(NULL);
	/* Establish connection to zebra. */
	zclient = zclient_new_notify(master, &zclient_options_default);
	zclient->enable = 1;
	zclient_socket_connect(zclient);

	/* Open simulation file. */
	fp = fopen(argv[1], "r");
	if (fp == NULL) {
		fprintf(stderr,
			"%% Can't open configuration file %s due to '%s'\n",
			argv[1], safe_strerror(errno));
		exit(1);
	}

	/* Do main work. */
	zebra_sim(fp);

	sleep(100);

	fclose(fp);
	close(sock);

	return 0;
}