static void test_sockaddr_is_v4mapped(void) {
struct sockaddr_in input4;
struct sockaddr_in6 input6;
struct sockaddr_in output4;
struct sockaddr_in expect4;
gpr_log(GPR_INFO, "%s", "test_sockaddr_is_v4mapped");
/* v4mapped input should succeed. */
input6 = make_addr6(kMapped, sizeof(kMapped));
GPR_ASSERT(grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, NULL));
GPR_ASSERT(
grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, &output4));
expect4 = make_addr4(kIPv4, sizeof(kIPv4));
GPR_ASSERT(memcmp(&expect4, &output4, sizeof(expect4)) == 0);
/* Non-v4mapped input should fail. */
input6 = make_addr6(kNotQuiteMapped, sizeof(kNotQuiteMapped));
GPR_ASSERT(
!grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, NULL));
GPR_ASSERT(
!grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input6, &output4));
/* Output is unchanged. */
GPR_ASSERT(memcmp(&expect4, &output4, sizeof(expect4)) == 0);
/* Plain IPv4 input should also fail. */
input4 = make_addr4(kIPv4, sizeof(kIPv4));
GPR_ASSERT(
!grpc_sockaddr_is_v4mapped((const struct sockaddr *)&input4, NULL));
}
static void test_sockaddr_to_v4mapped(void) {
struct sockaddr_in input4;
struct sockaddr_in6 input6;
struct sockaddr_in6 output6;
struct sockaddr_in6 expect6;
gpr_log(GPR_INFO, "%s", "test_sockaddr_to_v4mapped");
/* IPv4 input should succeed. */
input4 = make_addr4(kIPv4, sizeof(kIPv4));
GPR_ASSERT(
grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input4, &output6));
expect6 = make_addr6(kMapped, sizeof(kMapped));
GPR_ASSERT(memcmp(&expect6, &output6, sizeof(output6)) == 0);
/* IPv6 input should fail. */
input6 = make_addr6(kIPv6, sizeof(kIPv6));
GPR_ASSERT(
!grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input6, &output6));
/* Output is unchanged. */
GPR_ASSERT(memcmp(&expect6, &output6, sizeof(output6)) == 0);
/* Already-v4mapped input should also fail. */
input6 = make_addr6(kMapped, sizeof(kMapped));
GPR_ASSERT(
!grpc_sockaddr_to_v4mapped((const struct sockaddr *)&input6, &output6));
}
static void test_sockaddr_to_string(void) {
struct sockaddr_in input4;
struct sockaddr_in6 input6;
struct sockaddr dummy;
gpr_log(GPR_INFO, "%s", "test_sockaddr_to_string");
errno = 0x7EADBEEF;
input4 = make_addr4(kIPv4, sizeof(kIPv4));
expect_sockaddr_str("192.0.2.1:12345", &input4, 0);
expect_sockaddr_str("192.0.2.1:12345", &input4, 1);
input6 = make_addr6(kIPv6, sizeof(kIPv6));
expect_sockaddr_str("[2001:db8::1]:12345", &input6, 0);
expect_sockaddr_str("[2001:db8::1]:12345", &input6, 1);
input6 = make_addr6(kMapped, sizeof(kMapped));
expect_sockaddr_str("[::ffff:192.0.2.1]:12345", &input6, 0);
expect_sockaddr_str("192.0.2.1:12345", &input6, 1);
input6 = make_addr6(kNotQuiteMapped, sizeof(kNotQuiteMapped));
expect_sockaddr_str("[::fffe:c000:263]:12345", &input6, 0);
expect_sockaddr_str("[::fffe:c000:263]:12345", &input6, 1);
memset(&dummy, 0, sizeof(dummy));
dummy.sa_family = 123;
expect_sockaddr_str("(sockaddr family=123)", &dummy, 0);
expect_sockaddr_str("(sockaddr family=123)", &dummy, 1);
GPR_ASSERT(errno == 0x7EADBEEF);
}