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update IPv6 utils

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This commit is contained in:
luwenpeng
2024-02-21 15:06:48 +08:00
parent bd3735d3c4
commit 5e5ac458f2
8 changed files with 118 additions and 20 deletions
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69
src/packet/test/gtest_ipv6_utils.cpp Normal file
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#include <gtest/gtest.h>
#include "ipv6_utils.h"
/*
* Internet Protocol Version 6, Src: fe80::250:56ff:fe69:dc00, Dst: ff02::1:2
* 0110 .... = Version: 6
* .... 0000 0000 .... .... .... .... .... = Traffic Class: 0x00 (DSCP: CS0, ECN: Not-ECT)
* .... 0000 00.. .... .... .... .... .... = Differentiated Services Codepoint: Default (0)
* .... .... ..00 .... .... .... .... .... = Explicit Congestion Notification: Not ECN-Capable Transport (0)
* .... 0000 0000 0000 0000 0000 = Flow Label: 0x00000
* Payload Length: 60
* Next Header: UDP (17)
* Hop Limit: 1
* Source Address: fe80::250:56ff:fe69:dc00
* Destination Address: ff02::1:2
* [Source SLAAC MAC: VMware_69:dc:00 (00:50:56:69:dc:00)]
* */
unsigned char data[] = {
0x60, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x11, 0x01, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x50, 0x56, 0xff, 0xfe, 0x69, 0xdc, 0x00, 0xff, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02};
TEST(IPV6_UTILS, GET)
{
char src_str[INET6_ADDRSTRLEN];
char dst_str[INET6_ADDRSTRLEN];
const struct ip6_hdr *hdr = (struct ip6_hdr *)data;
EXPECT_TRUE(ipv6_hdr_get_version(hdr) == 6);
EXPECT_TRUE(ipv6_hdr_get_traffic_class(hdr) == 0);
EXPECT_TRUE(ipv6_hdr_get_flow_label(hdr) == 0);
EXPECT_TRUE(ipv6_hdr_get_payload_len(hdr) == 60);
EXPECT_TRUE(ipv6_hdr_get_next_header(hdr) == 17);
EXPECT_TRUE(ipv6_hdr_get_hop_limit(hdr) == 1);
struct in6_addr src_addr = ipv6_hdr_get_src_in6_addr(hdr);
struct in6_addr dst_addr = ipv6_hdr_get_dst_in6_addr(hdr);
inet_ntop(AF_INET6, &src_addr, src_str, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &dst_addr, dst_str, INET6_ADDRSTRLEN);
EXPECT_TRUE(strcmp(src_str, "fe80::250:56ff:fe69:dc00") == 0);
EXPECT_TRUE(strcmp(dst_str, "ff02::1:2") == 0);
}
TEST(IPV6_UTILS, SET)
{
char buff[40] = {0};
struct in6_addr src_addr;
struct in6_addr dst_addr;
struct ip6_hdr *hdr = (struct ip6_hdr *)buff;
inet_pton(AF_INET6, "fe80::250:56ff:fe69:dc00", &src_addr);
inet_pton(AF_INET6, "ff02::1:2", &dst_addr);
ipv6_hdr_set_version(hdr, 6);
ipv6_hdr_set_traffic_class(hdr, 0);
ipv6_hdr_set_flow_label(hdr, 0);
ipv6_hdr_set_payload_len(hdr, 60);
ipv6_hdr_set_next_header(hdr, 17);
ipv6_hdr_set_hop_limit(hdr, 1);
ipv6_hdr_set_src_in6_addr(hdr, src_addr);
ipv6_hdr_set_dst_in6_addr(hdr, dst_addr);
EXPECT_TRUE(memcmp(buff, data, 40) == 0);
}
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}