inter_test.c

来自「非常好的dns解析软件」· C语言 代码 · 共 91 行

/*
 * Copyright (C) 2004, 2005  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: inter_test.c,v 1.10.18.2 2005/04/29 00:15:45 marka Exp $ */

/*! \file */
#include <config.h>

#include <stdlib.h>

#include <isc/interfaceiter.h>
#include <isc/mem.h>
#include <isc/util.h>

int
main(int argc, char **argv) {
	isc_mem_t *mctx = NULL;
	isc_interfaceiter_t *iter = NULL;
	isc_interface_t ifdata;
	isc_result_t result;
	const char * res;
	char buf[128];

	UNUSED(argc);
	UNUSED(argv);

	RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
	result = isc_interfaceiter_create(mctx, &iter);
	if (result != ISC_R_SUCCESS)
		goto cleanup;
	result = isc_interfaceiter_first(iter);
	while (result == ISC_R_SUCCESS) {
		result = isc_interfaceiter_current(iter, &ifdata);
		if (result != ISC_R_SUCCESS) {
			fprintf(stdout, "isc_interfaceiter_current: %s",
				isc_result_totext(result));
			continue;
		}
		fprintf(stdout, "%s %d %x\n", ifdata.name, ifdata.af,
			ifdata.flags);
		INSIST(ifdata.af == AF_INET || ifdata.af == AF_INET6);
		res = inet_ntop(ifdata.af, &ifdata.address.type, buf,
				sizeof(buf));
		if (ifdata.address.zone != 0)
			fprintf(stdout, "address = %s (zone %u)\n",
				res == NULL ? "BAD" : res,
				ifdata.address.zone);
		else
			fprintf(stdout, "address = %s\n",
				res == NULL ? "BAD" : res);
		INSIST(ifdata.address.family == ifdata.af);
		res = inet_ntop(ifdata.af, &ifdata.netmask.type, buf,
				sizeof(buf));
		fprintf(stdout, "netmask = %s\n", res == NULL ? "BAD" : res);
		INSIST(ifdata.netmask.family == ifdata.af);
		if ((ifdata.flags & INTERFACE_F_POINTTOPOINT) != 0) {
			res = inet_ntop(ifdata.af, &ifdata.dstaddress.type,
					 buf, sizeof(buf));
			fprintf(stdout, "dstaddress = %s\n",
				res == NULL ? "BAD" : res);

			INSIST(ifdata.dstaddress.family == ifdata.af);
		}
		result = isc_interfaceiter_next(iter);
		if (result != ISC_R_SUCCESS && result != ISC_R_NOMORE) {
			fprintf(stdout, "isc_interfaceiter_next: %s",
				isc_result_totext(result));
			continue;
		}
	}
	isc_interfaceiter_destroy(&iter);
 cleanup:
	isc_mem_destroy(&mctx);

	return (0);
}