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tests: net: socket: tcp: Add test to validate connect timeout

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When there is no response from the server, a client side connect
should return a ETIMEOUT. This tests breaks the connection and validates
this behavior.

Signed-off-by: Sjors Hettinga <s.a.hettinga@gmail.com>
This commit is contained in:
Sjors Hettinga 2022-04-04 10:22:06 +02:00 committed by Maureen Helm
parent 5b0deb058b
commit 40ee401dd2
2 changed files with 43 additions and 0 deletions
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4
tests/net/socket/tcp/prj.conf
View file

@ -32,6 +32,10 @@ CONFIG_TEST_USERSPACE=y
CONFIG_NET_PKT_RX_COUNT=8
CONFIG_NET_PKT_TX_COUNT=8
# Reduce the retry count, so the close always finishes within a second
CONFIG_NET_TCP_RETRY_COUNT=3
CONFIG_NET_TCP_INIT_RETRANSMISSION_TIMEOUT=200
CONFIG_ZTEST=y
CONFIG_ZTEST_STACK_SIZE=2048

39
tests/net/socket/tcp/src/main.c
View file

@ -723,6 +723,43 @@ void test_open_close_immediately(void)
k_sleep(TCP_TEARDOWN_TIMEOUT);
}
void test_connect_timeout(void)
{
/* Test if socket connect fails when there is not communication
* possible.
*/
int count_after = 0;
struct sockaddr_in c_saddr;
struct sockaddr_in s_saddr;
int c_sock;
int rv;
prepare_sock_tcp_v4(CONFIG_NET_CONFIG_MY_IPV4_ADDR, ANY_PORT,
&c_sock, &c_saddr);
s_saddr.sin_family = AF_INET;
s_saddr.sin_port = htons(SERVER_PORT);
rv = zsock_inet_pton(AF_INET, CONFIG_NET_CONFIG_MY_IPV4_ADDR, &s_saddr.sin_addr);
zassert_equal(rv, 1, "inet_pton failed");
loopback_set_packet_drop_ratio(1.0f);
zassert_equal(connect(c_sock, (struct sockaddr *)&s_saddr,
sizeof(s_saddr)),
-1, "connect succeed");
zassert_equal(errno, ETIMEDOUT,
"connect should be timed out, got %i", errno);
test_close(c_sock);
/* After the client socket closing, the context count should be 0 */
net_context_foreach(calc_net_context, &count_after);
zassert_equal(count_after, 0,
"net_context still in use");
}
void test_v4_accept_timeout(void)
{
/* Test if accept() will timeout properly */
@ -1282,6 +1319,8 @@ void test_main(void)
ztest_user_unit_test(test_shutdown_rd_synchronous),
ztest_unit_test(test_shutdown_rd_while_recv),
ztest_unit_test(test_open_close_immediately),
ztest_unit_test_setup_teardown(test_connect_timeout,
restore_packet_loss_ratio, restore_packet_loss_ratio),
ztest_user_unit_test(test_v4_accept_timeout),
ztest_unit_test(test_so_type),
ztest_unit_test(test_so_protocol),