void Send_TimeSync(
BACNET_DATE * bdate,
BACNET_TIME * btime)
{
int len = 0;
int pdu_len = 0;
BACNET_ADDRESS dest;
int bytes_sent = 0;
BACNET_NPDU_DATA npdu_data;
if (!dcc_communication_enabled())
return;
/* we could use unicast or 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 */
len =
timesync_encode_apdu(&Handler_Transmit_Buffer[pdu_len], bdate, btime);
pdu_len += len;
/* send it out the datalink */
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 Time-Synchronization Request (%s)!\n",
strerror(errno));
#endif
}
void testTimeSyncData(
Test * pTest,
BACNET_DATE * my_date,
BACNET_TIME * my_time)
{
uint8_t apdu[480] = { 0 };
int len = 0;
int apdu_len = 0;
BACNET_DATE test_date;
BACNET_TIME test_time;
len = timesync_encode_apdu(&apdu[0], my_date, my_time);
ct_test(pTest, len != 0);
apdu_len = len;
len = timesync_decode_apdu(&apdu[0], apdu_len, &test_date, &test_time);
ct_test(pTest, len != -1);
ct_test(pTest, datetime_compare_time(my_time, &test_time) == 0);
ct_test(pTest, datetime_compare_date(my_date, &test_date) == 0);
len = timesync_utc_encode_apdu(&apdu[0], my_date, my_time);
ct_test(pTest, len != 0);
apdu_len = len;
len = timesync_utc_decode_apdu(&apdu[0], apdu_len, &test_date, &test_time);
ct_test(pTest, len != -1);
ct_test(pTest, datetime_compare_time(my_time, &test_time) == 0);
ct_test(pTest, datetime_compare_date(my_date, &test_date) == 0);
}
int BacnetTimeSync(
int deviceInstanceNumber,
int year,
int month,
int day,
int hour,
int minute,
int second,
int isUTC,
int UTCOffset)
{
BACNET_DATE bdate;
BACNET_TIME btime;
struct tm my_time;
time_t aTime;
struct tm *newTime;
my_time.tm_sec = second;
my_time.tm_min = minute;
my_time.tm_hour = hour;
my_time.tm_mday = day;
my_time.tm_mon = month - 1;
my_time.tm_year = year - 1900;
my_time.tm_wday = 0; /* does not matter */
my_time.tm_yday = 0; /* does not matter */
my_time.tm_isdst = 0; /* does not matter */
aTime = mktime(&my_time);
newTime = localtime(&aTime);
bdate.year = newTime->tm_year;
bdate.month = newTime->tm_mon + 1;
bdate.day = newTime->tm_mday;
bdate.wday = newTime->tm_wday ? newTime->tm_wday : 7;
btime.hour = newTime->tm_hour;
btime.min = newTime->tm_min;
btime.sec = newTime->tm_sec;
btime.hundredths = 0;
int len = 0;
int pdu_len = 0;
int bytes_sent = 0;
BACNET_NPDU_DATA npdu_data;
BACNET_ADDRESS my_address;
uint8_t Handler_Transmit_Buffer[MAX_PDU] = { 0 };
/* Loop for eary exit */
do {
if (!dcc_communication_enabled()) {
LogError("DCC communicaiton is not enabled");
break;
}
/* encode the NPDU portion of the packet */
npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
datalink_get_my_address(&my_address);
pdu_len =
npdu_encode_pdu(&Handler_Transmit_Buffer[0], &Target_Address,
&my_address, &npdu_data);
/* encode the APDU portion of the packet */
len =
timesync_encode_apdu(&Handler_Transmit_Buffer[pdu_len], &bdate,
&btime);
pdu_len += len;
/* send it out the datalink */
bytes_sent =
datalink_send_pdu(&Target_Address, &npdu_data,
&Handler_Transmit_Buffer[0], pdu_len);
if (bytes_sent <= 0) {
char errorMsg[64];
sprintf(errorMsg,
"Failed to Send Time-Synchronization Request (%s)!",
strerror(errno));
LogError(errorMsg);
break;
}
Wait_For_Answer_Or_Timeout(100, waitAnswer);
} while (false);
int isFailure = Error_Detected;
Error_Detected = 0;
return isFailure;
}
