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net: lib: coap_client: Add API to cancel specific request

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Add a new API to cancel just one, or mathing requests,
instead of cancelling all ongoing requests.

Signed-off-by: Seppo Takalo <seppo.takalo@nordicsemi.no>
This commit is contained in:
Seppo Takalo 2024-11-13 13:24:28 +02:00 • committed by Anas Nashif
commit b3f3bce23e
3 changed files with 158 additions and 0 deletions
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108
tests/net/lib/coap_client/src/main.c
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@ -1142,3 +1142,111 @@ ZTEST(coap_client, test_request_rst)
zassert_ok(k_sem_take(&sem, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_equal(last_response_code, -ECONNRESET, "");
}
ZTEST(coap_client, test_cancel)
{
struct k_sem sem1, sem2;
struct sockaddr address = {0};
struct coap_client_request req1 = {
.method = COAP_METHOD_GET,
.confirmable = true,
.path = test_path,
.fmt = COAP_CONTENT_FORMAT_TEXT_PLAIN,
.cb = coap_callback,
.payload = short_payload,
.len = strlen(short_payload),
.user_data = &sem1
};
struct coap_client_request req2 = req1;
req2.user_data = &sem2;
k_sem_init(&sem1, 0, 1);
k_sem_init(&sem2, 0, 1);
z_impl_zsock_sendto_fake.custom_fake = z_impl_zsock_sendto_custom_fake_no_reply;
k_sleep(K_MSEC(1));
zassert_ok(coap_client_req(&client, 0, &address, &req1, NULL));
zassert_ok(coap_client_req(&client, 0, &address, &req2, NULL));
k_sleep(K_SECONDS(1));
coap_client_cancel_request(&client, &req1);
zassert_ok(k_sem_take(&sem1, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_not_ok(k_sem_take(&sem2, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_equal(last_response_code, -ECANCELED, "");
set_socket_events(client.fd, ZSOCK_POLLIN); /* First response is the cancelled one */
zassert_not_ok(k_sem_take(&sem1, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
set_socket_events(client.fd, ZSOCK_POLLIN);
zassert_ok(k_sem_take(&sem2, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_equal(last_response_code, COAP_RESPONSE_CODE_OK, "");
}
ZTEST(coap_client, test_cancel_match)
{
struct k_sem sem1, sem2;
struct sockaddr address = {0};
struct coap_client_request req1 = {
.method = COAP_METHOD_GET,
.confirmable = true,
.path = test_path,
.fmt = COAP_CONTENT_FORMAT_TEXT_PLAIN,
.cb = coap_callback,
.payload = short_payload,
.len = strlen(short_payload),
.user_data = &sem1
};
struct coap_client_request req2 = req1;
req2.user_data = &sem2;
req2.path = "another";
k_sem_init(&sem1, 0, 1);
k_sem_init(&sem2, 0, 1);
z_impl_zsock_sendto_fake.custom_fake = z_impl_zsock_sendto_custom_fake_no_reply;
k_sleep(K_MSEC(1));
zassert_ok(coap_client_req(&client, 0, &address, &req1, NULL));
zassert_ok(coap_client_req(&client, 0, &address, &req2, NULL));
k_sleep(K_SECONDS(1));
/* match only one */
coap_client_cancel_request(&client, &(struct coap_client_request) {
.path = test_path
});
zassert_ok(k_sem_take(&sem1, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_not_ok(k_sem_take(&sem2, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_equal(last_response_code, -ECANCELED, "");
zassert_ok(coap_client_req(&client, 0, &address, &req1, NULL));
/* should not match */
coap_client_cancel_request(&client, &(struct coap_client_request) {
.path = test_path,
.user_data = &sem2,
});
zassert_not_ok(k_sem_take(&sem1, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_not_ok(k_sem_take(&sem2, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
/* match both (all GET queries) */
coap_client_cancel_request(&client, &(struct coap_client_request) {
.method = COAP_METHOD_GET,
});
zassert_ok(k_sem_take(&sem1, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_ok(k_sem_take(&sem2, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_ok(coap_client_req(&client, 0, &address, &req1, NULL));
zassert_ok(coap_client_req(&client, 0, &address, &req2, NULL));
/* match both (wildcard)*/
coap_client_cancel_request(&client, &(struct coap_client_request) {0});
zassert_ok(k_sem_take(&sem1, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
zassert_ok(k_sem_take(&sem2, K_MSEC(MORE_THAN_EXCHANGE_LIFETIME_MS)));
}