src/nl-route-del.c

/*
 * src/nl-route-del.c     Delete Routes
 *
 *	This library is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU Lesser General Public
 *	License as published by the Free Software Foundation version 2.1
 *	of the License.
 *
 * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
 */

#include "utils.h"

static void print_usage(void)
{
	printf(
	"Usage: nl-route-del [<filter>]\n");
	exit(1);
}

#include "f_route.c"

int main(int argc, char *argv[])
{
	struct nl_handle *nlh;
	struct nl_cache *link_cache, *route_cache;
	struct rtnl_route *route;
	int err = 1;

	if (nltool_init(argc, argv) < 0)
		return -1;

	if (argc < 2 || !strcmp(argv[1], "-h"))
		print_usage();

	nlh = nltool_alloc_handle();
	if (!nlh)
		goto errout;

	route = rtnl_route_alloc();
	if (!route)
		goto errout;

	if (nltool_connect(nlh, NETLINK_ROUTE) < 0)
		goto errout_free;

	link_cache = nltool_alloc_link_cache(nlh);
	if (!link_cache)
		goto errout_close;

	route_cache = nltool_alloc_route_cache(nlh);
	if (!route_cache)
		goto errout_link_cache;

	get_filter(route, argc, argv, 1, route_cache, link_cache);

	if (rtnl_route_del(nlh, route, 0) < 0) {
		fprintf(stderr, "rtnl_route_del failed: %s\n",
		nl_geterror());
		goto errout_route_cache;
	}

	err = 0;

errout_route_cache:
	nl_cache_free(route_cache);
errout_link_cache:
	nl_cache_free(link_cache);
errout_close:
	nl_close(nlh);
errout_free:
	rtnl_route_put(route);
errout:
	nl_handle_destroy(nlh);
	return err;
}