diff options
author | Steve Schrock <steve.schrock@getcruise.com> | 2024-04-05 19:42:50 +0000 |
---|---|---|
committer | Denis Kenzior <denkenz@gmail.com> | 2024-04-05 15:06:08 -0500 |
commit | 728db12daa684c16cf5bc9ba065b780664e9244f (patch) | |
tree | 55bf3cf1ae503223432694c2e4325a222984d59d | |
parent | 58c8e856dff91cb7042fc450d1aa78a979ec84bc (diff) | |
download | ofono-728db12daa684c16cf5bc9ba065b780664e9244f.tar.gz |
qmi: Add unit test for QRTR qmi_service_send
The unit test causes a qmi request to be sent to the test QRTR service
and echos the data back in its response.
-rw-r--r-- | unit/test-qmimodem-qmi.c | 166 |
1 files changed, 165 insertions, 1 deletions
diff --git a/unit/test-qmimodem-qmi.c b/unit/test-qmimodem-qmi.c index ab19704e6..3c5418be2 100644 --- a/unit/test-qmimodem-qmi.c +++ b/unit/test-qmimodem-qmi.c @@ -28,7 +28,14 @@ struct test_info { struct qmi_device *device; struct l_timeout *timeout; struct l_queue *services; - bool discovery_callback_called : 1; + + /* Data sent to our test service */ + struct sockaddr_qrtr sender; + size_t received_len; + void *received; + + bool discovery_callback_called : 1; + bool service_send_callback_called : 1; }; static uint32_t unique_service_type(uint32_t index) @@ -147,6 +154,7 @@ static void test_cleanup(struct test_info *info) { int i; + l_free(info->received); l_timeout_remove(info->timeout); l_queue_destroy(info->services, (l_queue_destroy_func_t) qmi_service_unref); @@ -250,6 +258,161 @@ static void test_create_services(const void *data) test_cleanup(info); } +static bool received_data(struct l_io *io, void *user_data) +{ + struct test_info *info = user_data; + struct sockaddr_qrtr addr; + unsigned char buf[2048]; + ssize_t bytes_read; + socklen_t addr_size; + + addr_size = sizeof(addr); + bytes_read = recvfrom(l_io_get_fd(io), buf, sizeof(buf), 0, + (struct sockaddr *) &addr, &addr_size); + memcpy(&info->sender, &addr, sizeof(addr)); + + assert(!info->received); /* Only expect one message */ + info->received_len = bytes_read; + info->received = l_memdup(buf, bytes_read); + + return true; +} + +#define TEST_TLV_TYPE 21 /* Its data value is 1 byte */ +#define TEST_DATA_VALUE 0x89 + +static void send_test_data_cb(struct qmi_result *result, void *user_data) +{ + struct test_info *info = user_data; + + uint8_t data; + + assert(!qmi_result_set_error(result, NULL)); + assert(qmi_result_get_uint8(result, TEST_TLV_TYPE, &data)); + assert(data == TEST_DATA_VALUE); + + info->service_send_callback_called = true; +} + +/* + * We know exactly how the qmi data should be packed so we can hard code the + * structure layout to simplify the tests. + */ + +#define TEST_REQ_MESSAGE_ID 42 +#define TEST_RESP_MESSAGE_ID 43 +#define QMI_HDR_SIZE 7 + +struct qmi_test_service_request { + uint8_t type; + uint16_t transaction; + uint16_t message; + uint16_t length; /* Message size without header */ + uint8_t data_type; + uint16_t data_length; + uint8_t data_value; +} __attribute__ ((packed)); + +struct qmi_test_service_response { + uint8_t type; + uint16_t transaction; + uint16_t message; + uint16_t length; /* Message size without header */ + uint8_t error_type; + uint16_t error_length; + uint16_t error_result; + uint16_t error_error; + uint8_t data_type; + uint16_t data_length; + uint8_t data_value; +} __attribute__ ((packed)); + +static void send_request_via_qmi(struct test_info *info, + struct qmi_service *service) +{ + struct qmi_param *param; + + param = qmi_param_new(); + qmi_param_append_uint8(param, TEST_TLV_TYPE, TEST_DATA_VALUE); + assert(qmi_service_send(service, TEST_REQ_MESSAGE_ID, param, + send_test_data_cb, info, NULL)); + + while (!info->received) + l_main_iterate(-1); +} + +static void send_response_via_socket(struct test_info *info, struct l_io *io) +{ + const struct qmi_test_service_request *request; + struct qmi_test_service_response response; + + /* First validate that the qrtr code sent the qmi request properly. */ + assert(info->received_len == sizeof(*request)); + request = info->received; + assert(request->type == 0x00); + assert(request->message == L_CPU_TO_LE16(TEST_REQ_MESSAGE_ID)); + assert(request->length == L_CPU_TO_LE16( + sizeof(*request) - QMI_HDR_SIZE)); + assert(request->data_type == TEST_TLV_TYPE); + assert(request->data_length == L_CPU_TO_LE16(1)); + assert(request->data_value == TEST_DATA_VALUE); + + /* + * Now echo it back to the qrtr client. The qmi_service send callback + * will validate that the client processed this response correctly. + */ + memset(&response, 0, sizeof(response)); + response.type = 0x02; + response.transaction = request->transaction; + response.message = L_CPU_TO_LE16(TEST_RESP_MESSAGE_ID); + response.length = L_CPU_TO_LE16(sizeof(response) - QMI_HDR_SIZE); + response.error_type = 2; + response.error_length = L_CPU_TO_LE16(4); + response.data_type = request->data_type; + response.data_length = request->data_length; + response.data_value = request->data_value; + + sendto(l_io_get_fd(io), &response, sizeof(response), 0, + (struct sockaddr *) &info->sender, + sizeof(info->sender)); + + while (!info->service_send_callback_called) + l_main_iterate(-1); +} + +/* + * Initiates a send of the TLV data payload to the test service. The test + * service will respond with the same data payload. + */ +static void test_send_data(const void *data) +{ + struct test_info *info = test_setup(); + struct l_io *io; + uint32_t service_type; + struct qmi_service *service; + + perform_discovery(info); + + service_type = unique_service_type(0); /* Use the first service */ + assert(qmi_service_create(info->device, service_type, + create_service_cb, info, NULL)); + perform_all_pending_work(); + service = l_queue_pop_head(info->services); + assert(service); + + io = l_io_new(info->service_fds[0]); + assert(io); + l_io_set_read_handler(io, received_data, info, NULL); + + send_request_via_qmi(info, service); + send_response_via_socket(info, io); + + l_io_destroy(io); + qmi_service_unref(service); + + test_cleanup(info); +} + static void exit_if_qrtr_not_supported(void) { int fd; @@ -278,6 +441,7 @@ int main(int argc, char **argv) l_test_add("QRTR device creation", test_create_qrtr_device, NULL); l_test_add("QRTR discovery", test_discovery, NULL); l_test_add("QRTR services may be created", test_create_services, NULL); + l_test_add("QRTR service sends/responses", test_send_data, NULL); result = l_test_run(); __ofono_log_cleanup(); |