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	Done with a combination of regex'ing and banging my head against a wall. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
		
			
				
	
	
		
			187 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			187 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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 * Nexthop module test.
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 *
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 * Copyright (C) 2021 by Volta Networks, Inc.
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 */
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#include <zebra.h>
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#include <nexthop.h>
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static bool verbose;
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static void test_run_first(void)
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{
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	int ret, i;
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	struct nexthop *nh1, *nh2;
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	struct in_addr addr;
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	struct in6_addr addr6;
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	mpls_label_t labels[MPLS_MAX_LABELS];
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	/* Test comparison apis */
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	/* ifindex comparisons */
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	nh1 = nexthop_from_ifindex(11, 0);
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	nh2 = nexthop_from_ifindex(12, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret < 0);
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	nexthop_free(nh1);
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	nh1 = nexthop_from_ifindex(12, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret == 0);
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	nexthop_free(nh1);
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	nexthop_free(nh2);
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	/* ipv4, vrf */
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	addr.s_addr = 0x04030201;
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	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
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	nh2 = nexthop_from_ipv4(&addr, NULL, 111);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	nexthop_free(nh2);
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	addr.s_addr = 0x04030202;
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	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	nexthop_free(nh2);
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	addr.s_addr = 0x04030201;
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	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret == 0);
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	/* Weight */
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	nh2->weight = 20;
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	nexthop_free(nh1);
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	nexthop_free(nh2);
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	/* ipv6 */
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	memset(addr6.s6_addr, 0, sizeof(addr6.s6_addr));
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	nh1 = nexthop_from_ipv6(&addr6, 0);
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	nh2 = nexthop_from_ipv6(&addr6, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret == 0);
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	nexthop_free(nh2);
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	nh2 = nexthop_from_ipv6(&addr6, 1);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	nexthop_free(nh2);
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	addr6.s6_addr[14] = 1;
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	addr6.s6_addr[15] = 1;
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	nh2 = nexthop_from_ipv6(&addr6, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	nexthop_free(nh1);
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	nexthop_free(nh2);
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	/* Blackhole */
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	nh1 = nexthop_from_blackhole(BLACKHOLE_REJECT, 0);
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	nh2 = nexthop_from_blackhole(BLACKHOLE_REJECT, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret == 0);
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	nexthop_free(nh2);
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	nh2 = nexthop_from_blackhole(BLACKHOLE_NULL, 0);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	/* Labels */
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	addr.s_addr = 0x04030201;
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	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
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	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
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	memset(labels, 0, sizeof(labels));
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	labels[0] = 111;
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	labels[1] = 222;
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	nexthop_add_labels(nh1, ZEBRA_LSP_STATIC, 2, labels);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	nexthop_add_labels(nh2, ZEBRA_LSP_STATIC, 2, labels);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret == 0);
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	nexthop_free(nh2);
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	/* LSP type isn't included */
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	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
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	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 2, labels);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret == 0);
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	nexthop_free(nh2);
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	labels[2] = 333;
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	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
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	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, 3, labels);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	nexthop_free(nh1);
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	nexthop_free(nh2);
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	nh1 = nexthop_from_ipv4(&addr, NULL, 0);
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	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
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	for (i = 0; i < MPLS_MAX_LABELS; i++)
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		labels[i] = 111 * (i + 1);
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	nexthop_add_labels(nh1, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
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	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret == 0);
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	nexthop_free(nh2);
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	/* Test very last label in stack */
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	labels[15] = 999;
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	nh2 = nexthop_from_ipv4(&addr, NULL, 0);
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	nexthop_add_labels(nh2, ZEBRA_LSP_LDP, MPLS_MAX_LABELS, labels);
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	ret = nexthop_cmp_basic(nh1, nh2);
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	assert(ret != 0);
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	/* End */
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	nexthop_free(nh1);
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	nexthop_free(nh2);
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}
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int main(int argc, char **argv)
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{
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	if (argc >= 2 && !strcmp("-v", argv[1]))
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		verbose = true;
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	test_run_first();
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	printf("Simple test passed.\n");
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}
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