/* find a specific device, or use -1 for limit if you want unlimited */
void Send_I_Have(
uint32_t device_id,
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance,
char *object_name)
{
int len = 0;
int pdu_len = 0;
BACNET_ADDRESS dest;
int bytes_sent = 0;
BACNET_I_HAVE_DATA data;
BACNET_NPDU_DATA npdu_data;
/* if we are forbidden to send, don't send! */
if (!dcc_communication_enabled())
return;
/* Who-Has is a global broadcast */
datalink_get_broadcast_address(&dest);
/* 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], &dest, NULL, &npdu_data);
/* encode the APDU portion of the packet */
data.device_id.type = OBJECT_DEVICE;
data.device_id.instance = device_id;
data.object_id.type = object_type;
data.object_id.instance = object_instance;
characterstring_init_ansi(&data.object_name, object_name);
len = ihave_encode_apdu(&Handler_Transmit_Buffer[pdu_len], &data);
pdu_len += len;
/* send the data */
bytes_sent =
datalink_send_pdu(&dest, &npdu_data, &Handler_Transmit_Buffer[0],
pdu_len);
#if PRINT_ENABLED
if (bytes_sent <= 0)
fprintf(stderr, "Failed to Send I-Have Reply (%s)!\n",
strerror(errno));
#endif
}
void testIHaveData(
Test * pTest,
BACNET_I_HAVE_DATA * data)
{
uint8_t apdu[480] = { 0 };
int len = 0;
int apdu_len = 0;
BACNET_I_HAVE_DATA test_data;
len = ihave_encode_apdu(&apdu[0], data);
ct_test(pTest, len != 0);
apdu_len = len;
len = ihave_decode_apdu(&apdu[0], apdu_len, &test_data);
ct_test(pTest, len != -1);
ct_test(pTest, test_data.device_id.type == data->device_id.type);
ct_test(pTest, test_data.device_id.instance == data->device_id.instance);
ct_test(pTest, test_data.object_id.type == data->object_id.type);
ct_test(pTest, test_data.object_id.instance == data->object_id.instance);
ct_test(pTest, characterstring_same(&test_data.object_name,
&data->object_name));
}
