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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/tools/net/ynl/tests/rt-route.c
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// SPDX-License-Identifier: GPL-2.0

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#include <stdio.h>

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#include <string.h>

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#include <ynl.h>

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#include <arpa/inet.h>

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#include <net/if.h>

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#include <kselftest_harness.h>

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#include "rt-route-user.h"

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static void rt_route_print(struct __test_metadata *_metadata,

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			   struct rt_route_getroute_rsp *r)

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{

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	char ifname[IF_NAMESIZE];

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	char route_str[64];

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	const char *route;

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	const char *name;

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	/* Ignore local */

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	if (r->_hdr.rtm_table == RT_TABLE_LOCAL)

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		return;

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	if (r->_present.oif) {

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		name = if_indextoname(r->oif, ifname);

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		EXPECT_NE(NULL, name);

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		if (name)

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			ksft_print_msg("oif: %-16s ", name);

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	}

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	if (r->_len.dst) {

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		route = inet_ntop(r->_hdr.rtm_family, r->dst,

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				  route_str, sizeof(route_str));

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		printf("dst: %s/%d", route, r->_hdr.rtm_dst_len);

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	}

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	if (r->_len.gateway) {

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		route = inet_ntop(r->_hdr.rtm_family, r->gateway,

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				  route_str, sizeof(route_str));

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		printf("gateway: %s ", route);

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	}

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	printf("\n");

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}

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FIXTURE(rt_route)

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{

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	struct ynl_sock *ys;

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};

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FIXTURE_SETUP(rt_route)

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{

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	struct ynl_error yerr;

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	self->ys = ynl_sock_create(&ynl_rt_route_family, &yerr);

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	ASSERT_NE(NULL, self->ys)

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		TH_LOG("failed to create rt-route socket: %s", yerr.msg);

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}

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FIXTURE_TEARDOWN(rt_route)

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{

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	ynl_sock_destroy(self->ys);

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}

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TEST_F(rt_route, dump)

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{

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	struct rt_route_getroute_req_dump *req;

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	struct rt_route_getroute_list *rsp;

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	struct in6_addr v6_expected;

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	struct in_addr v4_expected;

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	bool found_v4 = false;

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	bool found_v6 = false;

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	/* The bash wrapper configures 192.168.1.1/24 and 2001:db8::1/64,

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	 * make sure we can find the connected routes in the dump.

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	 */

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	inet_pton(AF_INET, "192.168.1.0", &v4_expected);

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	inet_pton(AF_INET6, "2001:db8::", &v6_expected);

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	req = rt_route_getroute_req_dump_alloc();

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	ASSERT_NE(NULL, req);

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	rsp = rt_route_getroute_dump(self->ys, req);

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	rt_route_getroute_req_dump_free(req);

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	ASSERT_NE(NULL, rsp) {

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		TH_LOG("dump failed: %s", self->ys->err.msg);

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	}

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	ASSERT_FALSE(ynl_dump_empty(rsp)) {

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		rt_route_getroute_list_free(rsp);

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		TH_LOG("no routes reported");

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	}

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	ynl_dump_foreach(rsp, route) {

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		rt_route_print(_metadata, route);

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		if (route->_hdr.rtm_table == RT_TABLE_LOCAL)

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			continue;

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		if (route->_len.dst == 4 && route->_hdr.rtm_dst_len == 24)

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			found_v4 |= !memcmp(route->dst, &v4_expected, 4);

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		if (route->_len.dst == 16 && route->_hdr.rtm_dst_len == 64)

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			found_v6 |= !memcmp(route->dst, &v6_expected, 16);

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	}

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	rt_route_getroute_list_free(rsp);

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	EXPECT_TRUE(found_v4);

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	EXPECT_TRUE(found_v6);

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}

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TEST_HARNESS_MAIN

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