Steve Karg
5072fb5913
* Added Who-Am-I-Request encoding, decoding, unit tests, and command line application bacwhoami. * Added You-Are-Request encoding, decoding, unit tests, and command line application bacyouare. * Added Who-Am-I with Who-Is and You-Are handling into the example server application when run as device 4194303.
133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
/**
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* @file
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* @brief Unit test for Who-Am-I-Request
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* @author Steve Karg <skarg@users.sourceforge.net>
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* @date June 2025
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* @copyright SPDX-License-Identifier: MIT
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*/
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#include <zephyr/ztest.h>
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#include <bacnet/bacdef.h>
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#include <bacnet/bacstr.h>
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#include <bacnet/whoami.h>
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/**
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* @addtogroup bacnet_tests
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* @{
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*/
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/**
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* @brief Who-Am-I-Request service decoder
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* @param apdu [in] Buffer containing the APDU
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* @param apdu_size [in] The length of the APDU
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* @param vendor_id the identity of the vendor of the device initiating
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* the Who-Am-I service request.
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* @param model_name the model name of the device initiating the Who-Am-I
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* service request.
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* @param serial_number the serial identifier of the device initiating
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* the Who-Am-I service request.
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* @return The number of bytes decoded, or #BACNET_STATUS_ERROR on error
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*/
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static int who_am_i_request_service_decode(
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const uint8_t *apdu,
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size_t apdu_size,
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uint16_t *vendor_id,
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BACNET_CHARACTER_STRING *model_name,
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BACNET_CHARACTER_STRING *serial_number)
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{
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int len = 0;
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if (!apdu) {
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return BACNET_STATUS_ERROR;
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}
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if (apdu_size < 2) {
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return BACNET_STATUS_ERROR;
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}
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if (apdu[0] != PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST) {
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return BACNET_STATUS_ERROR;
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}
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if (apdu[1] != SERVICE_UNCONFIRMED_WHO_AM_I) {
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return BACNET_STATUS_ERROR;
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}
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apdu += 2;
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apdu_size -= 2;
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len = who_am_i_request_decode(
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apdu, apdu_size, vendor_id, model_name, serial_number);
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return len;
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}
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST(who_am_i_tests, test_who_am_i)
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#else
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static void test_who_am_i(void)
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#endif
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{
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uint8_t apdu[480] = { 0 };
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int len = 0, apdu_len = 0, null_len = 0;
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bool status;
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uint16_t vendor_id = 0, test_vendor_id = 0;
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BACNET_CHARACTER_STRING model_name = { 0 };
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BACNET_CHARACTER_STRING test_model_name = { 0 };
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BACNET_CHARACTER_STRING serial_number = { 0 };
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BACNET_CHARACTER_STRING test_serial_number = { 0 };
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vendor_id = 260;
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characterstring_init_ansi(&model_name, "BDK ATXX4 MSTP");
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characterstring_init_ansi(&serial_number, "1234567890");
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null_len = who_am_i_request_service_encode(
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NULL, vendor_id, &model_name, &serial_number);
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len = who_am_i_request_service_encode(
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apdu, vendor_id, &model_name, &serial_number);
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zassert_equal(null_len, len, NULL);
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apdu_len = len;
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len = who_am_i_request_service_decode(
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apdu, apdu_len, &test_vendor_id, &test_model_name, &test_serial_number);
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zassert_not_equal(len, BACNET_STATUS_ERROR, NULL);
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zassert_equal(test_vendor_id, vendor_id, NULL);
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status = characterstring_same(&test_model_name, &model_name);
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zassert_true(status, NULL);
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status = characterstring_same(&test_serial_number, &serial_number);
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zassert_true(status, NULL);
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len = who_am_i_request_service_decode(
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NULL, apdu_len, &test_vendor_id, &test_model_name, &test_serial_number);
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zassert_equal(len, BACNET_STATUS_ERROR, NULL);
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null_len =
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who_am_i_request_encode(NULL, vendor_id, &model_name, &serial_number);
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len = who_am_i_request_encode(apdu, vendor_id, &model_name, &serial_number);
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zassert_equal(null_len, len, NULL);
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apdu_len = len;
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len = who_am_i_request_decode(
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apdu, apdu_len, &test_vendor_id, &test_model_name, &test_serial_number);
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zassert_not_equal(len, BACNET_STATUS_ERROR, NULL);
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zassert_equal(test_vendor_id, vendor_id, NULL);
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status = characterstring_same(&test_model_name, &model_name);
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zassert_true(status, NULL);
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status = characterstring_same(&test_serial_number, &serial_number);
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zassert_true(status, NULL);
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len = who_am_i_request_decode(
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NULL, apdu_len, &test_vendor_id, &test_model_name, &test_serial_number);
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while (apdu_len) {
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apdu_len--;
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len = who_am_i_request_decode(
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apdu, apdu_len, &test_vendor_id, &test_model_name,
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&test_serial_number);
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zassert_equal(
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len, BACNET_STATUS_ERROR, "apdu_len=%d len=%d", apdu_len, len);
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}
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}
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/**
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* @}
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST_SUITE(who_am_i_tests, NULL, NULL, NULL, NULL, NULL);
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#else
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void test_main(void)
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{
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ztest_test_suite(who_am_i_tests, ztest_unit_test(test_who_am_i));
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ztest_run_test_suite(who_am_i_tests);
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}
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#endif
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