void testWhoIs(
Test * pTest)
{
uint8_t apdu[480] = { 0 };
int len = 0;
int apdu_len = 0;
int32_t low_limit = -1;
int32_t high_limit = -1;
int32_t test_low_limit = 0;
int32_t test_high_limit = 0;
/* normal who-is without limits */
len = whois_encode_apdu(&apdu[0], low_limit, high_limit);
ct_test(pTest, len > 0);
apdu_len = len;
len =
whois_decode_apdu(&apdu[0], apdu_len, &test_low_limit,
&test_high_limit);
ct_test(pTest, len != BACNET_STATUS_ERROR);
ct_test(pTest, test_low_limit == low_limit);
ct_test(pTest, test_high_limit == high_limit);
/* normal who-is with limits - complete range */
for (low_limit = 0; low_limit <= BACNET_MAX_INSTANCE;
low_limit += (BACNET_MAX_INSTANCE / 4)) {
for (high_limit = 0; high_limit <= BACNET_MAX_INSTANCE;
high_limit += (BACNET_MAX_INSTANCE / 4)) {
len = whois_encode_apdu(&apdu[0], low_limit, high_limit);
apdu_len = len;
ct_test(pTest, len > 0);
len =
whois_decode_apdu(&apdu[0], apdu_len, &test_low_limit,
&test_high_limit);
ct_test(pTest, len != BACNET_STATUS_ERROR);
ct_test(pTest, test_low_limit == low_limit);
ct_test(pTest, test_high_limit == high_limit);
}
}
/* abnormal case:
who-is with no limits, but with APDU containing 2 limits */
low_limit = 0;
high_limit = 0;
len = whois_encode_apdu(&apdu[0], low_limit, high_limit);
ct_test(pTest, len > 0);
apdu_len = len;
low_limit = -1;
high_limit = -1;
len = whois_encode_apdu(&apdu[0], low_limit, high_limit);
ct_test(pTest, len > 0);
apdu_len = len;
len =
whois_decode_apdu(&apdu[0], apdu_len, &test_low_limit,
&test_high_limit);
ct_test(pTest, len != BACNET_STATUS_ERROR);
ct_test(pTest, test_low_limit == low_limit);
ct_test(pTest, test_high_limit == high_limit);
}
/** Send a Who-Is request to a remote network for a specific device, a range,
* or any device.
* If low_limit and high_limit both are -1, then the range is unlimited.
* If low_limit and high_limit have the same non-negative value, then only
* that device will respond.
* Otherwise, low_limit must be less than high_limit.
* @param target_address [in] BACnet address of target router
* @param low_limit [in] Device Instance Low Range, 0 - 4,194,303 or -1
* @param high_limit [in] Device Instance High Range, 0 - 4,194,303 or -1
*/
void Send_WhoIs_To_Network(
BACNET_ADDRESS * target_address,
int32_t low_limit,
int32_t high_limit)
{
int len = 0;
int pdu_len = 0;
int bytes_sent = 0;
BACNET_NPDU_DATA npdu_data;
BACNET_ADDRESS my_address;
datalink_get_my_address(&my_address);
/* encode the NPDU portion of the packet */
npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
pdu_len =
npdu_encode_pdu(&Handler_Transmit_Buffer[0], target_address,
&my_address, &npdu_data);
/* encode the APDU portion of the packet */
len =
whois_encode_apdu(&Handler_Transmit_Buffer[pdu_len], low_limit,
high_limit);
pdu_len += len;
bytes_sent =
datalink_send_pdu(target_address, &npdu_data,
&Handler_Transmit_Buffer[0], pdu_len);
#if PRINT_ENABLED
if (bytes_sent <= 0)
fprintf(stderr, "Failed to Send Who-Is Request (%s)!\n",
strerror(errno));
#endif
}
void testWhoIs(
Test * pTest)
{
uint8_t apdu[480] = { 0 };
int len = 0;
int apdu_len = 0;
int32_t low_limit = -1;
int32_t high_limit = -1;
int32_t test_low_limit = -1;
int32_t test_high_limit = -1;
len = whois_encode_apdu(&apdu[0], low_limit, high_limit);
ct_test(pTest, len != 0);
apdu_len = len;
len =
whois_decode_apdu(&apdu[0], apdu_len, &test_low_limit,
&test_high_limit);
ct_test(pTest, len != -1);
ct_test(pTest, test_low_limit == low_limit);
ct_test(pTest, test_high_limit == high_limit);
for (low_limit = 0; low_limit <= BACNET_MAX_INSTANCE;
low_limit += (BACNET_MAX_INSTANCE / 4)) {
for (high_limit = 0; high_limit <= BACNET_MAX_INSTANCE;
high_limit += (BACNET_MAX_INSTANCE / 4)) {
len = whois_encode_apdu(&apdu[0], low_limit, high_limit);
apdu_len = len;
ct_test(pTest, len != 0);
len =
whois_decode_apdu(&apdu[0], apdu_len, &test_low_limit,
&test_high_limit);
ct_test(pTest, len != -1);
ct_test(pTest, test_low_limit == low_limit);
ct_test(pTest, test_high_limit == high_limit);
}
}
}
