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Added wildcard date comparison functions.

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This commit is contained in:
skarg
2017-01-01 05:15:28 +00:00
parent 66013584fa
commit aad3c42b82
2 changed files with 301 additions and 47 deletions
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bacnet-stack/src/datetime.c
+256 -47
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@@ -42,6 +42,11 @@
/** @file datetime.c Manipulate BACnet Date and Time values */
/* define our epic beginnings */
#define BACNET_EPOCH_YEAR 1900
/* 1/1/1900 is a Monday */
#define BACNET_EPOCH_DOW BACNET_WEEKDAY_MONDAY
/* BACnet Date */
/* year = years since 1900 */
/* month 1=Jan */
@@ -93,7 +98,8 @@ bool datetime_ymd_is_valid(
uint8_t monthdays = 0; /* days in a month */
monthdays = datetime_month_days(year, month);
if ((year >= 1900) && (monthdays > 0) && (day >= 1) && (day <= monthdays)) {
if ((year >= BACNET_EPOCH_YEAR) && (monthdays > 0) &&
(day >= 1) && (day <= monthdays)) {
status = true;
}
@@ -190,7 +196,7 @@ static uint32_t days_since_epoch(
uint16_t years = 0; /* loop counter for years */
if (datetime_ymd_is_valid(year, month, day)) {
for (years = 1900; years < year; years++) {
for (years = BACNET_EPOCH_YEAR; years < year; years++) {
days += 365;
if (datetime_is_leap_year(years))
days++;
@@ -221,7 +227,7 @@ static void days_since_epoch_into_ymd(
uint8_t * pMonth,
uint8_t * pDay)
{
uint16_t year = 1900;
uint16_t year = BACNET_EPOCH_YEAR;
uint8_t month = 1;
uint8_t day = 1;
@@ -270,7 +276,11 @@ uint8_t datetime_day_of_week(
uint8_t month,
uint8_t day)
{
return (uint8_t) ((days_since_epoch(year, month, day) % 7) + 1);
uint8_t dow = (uint8_t)BACNET_EPOCH_DOW;
dow += (days_since_epoch(year, month, day) % 7);
return dow;
}
bool datetime_time_is_valid(
@@ -592,7 +602,10 @@ uint32_t datetime_seconds_since_midnight(
uint32_t seconds = 0;
if (btime) {
seconds = seconds_since_midnight(btime->hour, btime->min, btime->sec);
seconds = seconds_since_midnight(
btime->hour,
btime->min,
btime->sec);
}
return seconds;
@@ -610,7 +623,9 @@ uint16_t datetime_minutes_since_midnight(
uint32_t minutes = 0;
if (btime) {
minutes = minutes_since_midnight(btime->hour, btime->min);
minutes = minutes_since_midnight(
btime->hour,
btime->min);
}
return minutes;
@@ -667,17 +682,212 @@ void datetime_add_minutes(
datetime_days_since_epoch_into_date(bdatetime_days, &bdatetime->date);
}
/* Returns true if year is a wildcard */
bool datetime_wildcard_year(
BACNET_DATE *bdate)
{
bool wildcard_present = false;
if (bdate) {
if (bdate->year == (BACNET_EPOCH_YEAR + 0xFF)) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the year as a wildcard */
void datetime_wildcard_year_set(
BACNET_DATE *bdate)
{
if (bdate) {
bdate->year = BACNET_EPOCH_YEAR + 0xFF;
}
}
/* Returns true if month is a wildcard */
bool datetime_wildcard_month(
BACNET_DATE *bdate)
{
bool wildcard_present = false;
if (bdate) {
if (bdate->month == 0xFF) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the month as a wildcard */
void datetime_wildcard_month_set(
BACNET_DATE *bdate)
{
if (bdate) {
bdate->month = 0xFF;
}
}
/* Returns true if day is a wildcard */
bool datetime_wildcard_day(
BACNET_DATE *bdate)
{
bool wildcard_present = false;
if (bdate) {
if (bdate->day == 0xFF) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the day as a wildcard */
void datetime_wildcard_day_set(
BACNET_DATE *bdate)
{
if (bdate) {
bdate->day = 0xFF;
}
}
/* Returns true if weekday is a wildcard */
bool datetime_wildcard_weekday(
BACNET_DATE *bdate)
{
bool wildcard_present = false;
if (bdate) {
if (bdate->wday == 0xFF) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the weekday as a wildcard */
void datetime_wildcard_weekday_set(
BACNET_DATE *bdate)
{
if (bdate) {
bdate->wday = 0xFF;
}
}
/* Returns true if hour is a wildcard */
bool datetime_wildcard_hour(
BACNET_TIME *btime)
{
bool wildcard_present = false;
if (btime) {
if (btime->hour == 0xFF) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the hour as a wildcard */
void datetime_wildcard_hour_set(
BACNET_TIME *btime)
{
if (btime) {
btime->hour = 0xFF;
}
}
/* Returns true if minute is a wildcard */
bool datetime_wildcard_minute(
BACNET_TIME *btime)
{
bool wildcard_present = false;
if (btime) {
if (btime->min == 0xFF) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the minute as a wildcard */
void datetime_wildcard_minute_set(
BACNET_TIME *btime)
{
if (btime) {
btime->min = 0xFF;
}
}
/* Returns true if seconds is wildcard */
bool datetime_wildcard_second(
BACNET_TIME *btime)
{
bool wildcard_present = false;
if (btime) {
if (btime->sec == 0xFF) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the seconds as a wildcard */
void datetime_wildcard_second_set(
BACNET_TIME *btime)
{
if (btime) {
btime->sec = 0xFF;
}
}
/* Returns true if hundredths is a wildcard */
bool datetime_wildcard_hundredths(
BACNET_TIME *btime)
{
bool wildcard_present = false;
if (btime) {
if (btime->hundredths == 0xFF) {
wildcard_present = true;
}
}
return wildcard_present;
}
/* Sets the hundredths as a wildcard */
void datetime_wildcard_hundredths_set(
BACNET_TIME *btime)
{
if (btime) {
btime->hundredths = 0xFF;
}
}
bool datetime_wildcard(
BACNET_DATE_TIME * bdatetime)
{
bool wildcard_present = false;
if (bdatetime) {
if ((bdatetime->date.year == (1900 + 0xFF)) &&
(bdatetime->date.month == 0xFF) && (bdatetime->date.day == 0xFF) &&
(bdatetime->date.wday == 0xFF) && (bdatetime->time.hour == 0xFF) &&
(bdatetime->time.min == 0xFF) && (bdatetime->time.sec == 0xFF) &&
(bdatetime->time.hundredths == 0xFF)) {
if (datetime_wildcard_year(&bdatetime->date) &&
datetime_wildcard_month(&bdatetime->date) &&
datetime_wildcard_day(&bdatetime->date) &&
datetime_wildcard_weekday(&bdatetime->date) &&
datetime_wildcard_hour(&bdatetime->time) &&
datetime_wildcard_minute(&bdatetime->time) &&
datetime_wildcard_second(&bdatetime->time) &&
datetime_wildcard_hundredths(&bdatetime->time)) {
wildcard_present = true;
}
}
@@ -686,7 +896,8 @@ bool datetime_wildcard(
}
/* Returns true if any type of wildcard is present except for day of week
* on it's own.
* on it's own. Also checks for special day and month values. Used in
* trendlog object.
*/
bool datetime_wildcard_present(
BACNET_DATE_TIME * bdatetime)
@@ -694,11 +905,12 @@ bool datetime_wildcard_present(
bool wildcard_present = false;
if (bdatetime) {
if ((bdatetime->date.year == (1900 + 0xFF)) ||
if (datetime_wildcard_year(&bdatetime->date) ||
(bdatetime->date.month > 12) || (bdatetime->date.day > 31) ||
(bdatetime->time.hour == 0xFF) || (bdatetime->time.min == 0xFF) ||
(bdatetime->time.sec == 0xFF) ||
(bdatetime->time.hundredths == 0xFF)) {
datetime_wildcard_hour(&bdatetime->time) ||
datetime_wildcard_minute(&bdatetime->time) ||
datetime_wildcard_second(&bdatetime->time) ||
datetime_wildcard_hundredths(&bdatetime->time)) {
wildcard_present = true;
}
}
@@ -710,7 +922,7 @@ void datetime_date_wildcard_set(
BACNET_DATE * bdate)
{
if (bdate) {
bdate->year = 1900 + 0xFF;
bdate->year = BACNET_EPOCH_YEAR + 0xFF;
bdate->month = 0xFF;
bdate->day = 0xFF;
bdate->wday = 0xFF;
@@ -829,9 +1041,6 @@ int bacapp_decode_context_datetime(
return apdu_len;
}
#ifdef TEST
#include <assert.h>
#include <string.h>
@@ -843,7 +1052,7 @@ static void testBACnetDateTimeWildcard(
BACNET_DATE_TIME bdatetime;
bool status = false;
datetime_set_values(&bdatetime, 1900, 1, 1, 0, 0, 0, 0);
datetime_set_values(&bdatetime, BACNET_EPOCH_YEAR, 1, 1, 0, 0, 0, 0);
status = datetime_wildcard(&bdatetime);
ct_test(pTest, status == false);
@@ -859,27 +1068,27 @@ static void testBACnetDateTimeAdd(
uint32_t minutes = 0;
int diff = 0;
datetime_set_values(&bdatetime, 1900, 1, 1, 0, 0, 0, 0);
datetime_set_values(&bdatetime, BACNET_EPOCH_YEAR, 1, 1, 0, 0, 0, 0);
datetime_copy(&test_bdatetime, &bdatetime);
datetime_add_minutes(&bdatetime, minutes);
diff = datetime_compare(&test_bdatetime, &bdatetime);
ct_test(pTest, diff == 0);
datetime_set_values(&bdatetime, 1900, 1, 1, 0, 0, 0, 0);
datetime_set_values(&bdatetime, BACNET_EPOCH_YEAR, 1, 1, 0, 0, 0, 0);
datetime_add_minutes(&bdatetime, 60);
datetime_set_values(&test_bdatetime, 1900, 1, 1, 1, 0, 0, 0);
datetime_set_values(&test_bdatetime, BACNET_EPOCH_YEAR, 1, 1, 1, 0, 0, 0);
diff = datetime_compare(&test_bdatetime, &bdatetime);
ct_test(pTest, diff == 0);
datetime_set_values(&bdatetime, 1900, 1, 1, 0, 0, 0, 0);
datetime_set_values(&bdatetime, BACNET_EPOCH_YEAR, 1, 1, 0, 0, 0, 0);
datetime_add_minutes(&bdatetime, (24 * 60));
datetime_set_values(&test_bdatetime, 1900, 1, 2, 0, 0, 0, 0);
datetime_set_values(&test_bdatetime, BACNET_EPOCH_YEAR, 1, 2, 0, 0, 0, 0);
diff = datetime_compare(&test_bdatetime, &bdatetime);
ct_test(pTest, diff == 0);
datetime_set_values(&bdatetime, 1900, 1, 1, 0, 0, 0, 0);
datetime_set_values(&bdatetime, BACNET_EPOCH_YEAR, 1, 1, 0, 0, 0, 0);
datetime_add_minutes(&bdatetime, (31 * 24 * 60));
datetime_set_values(&test_bdatetime, 1900, 2, 1, 0, 0, 0, 0);
datetime_set_values(&test_bdatetime, BACNET_EPOCH_YEAR, 2, 1, 0, 0, 0, 0);
diff = datetime_compare(&test_bdatetime, &bdatetime);
ct_test(pTest, diff == 0);
@@ -924,14 +1133,14 @@ static void testBACnetDate(
BACNET_DATE bdate1, bdate2;
int diff = 0;
datetime_set_date(&bdate1, 1900, 1, 1);
datetime_set_date(&bdate1, BACNET_EPOCH_YEAR, 1, 1);
datetime_copy_date(&bdate2, &bdate1);
diff = datetime_compare_date(&bdate1, &bdate2);
ct_test(pTest, diff == 0);
datetime_set_date(&bdate2, 1900, 1, 2);
datetime_set_date(&bdate2, BACNET_EPOCH_YEAR, 1, 2);
diff = datetime_compare_date(&bdate1, &bdate2);
ct_test(pTest, diff < 0);
datetime_set_date(&bdate2, 1900, 2, 1);
datetime_set_date(&bdate2, BACNET_EPOCH_YEAR, 2, 1);
diff = datetime_compare_date(&bdate1, &bdate2);
ct_test(pTest, diff < 0);
datetime_set_date(&bdate2, 1901, 1, 1);
@@ -967,7 +1176,7 @@ static void testBACnetDate(
datetime_set_date(&bdate2, 2006, 7, 15);
diff = datetime_compare_date(&bdate1, &bdate2);
ct_test(pTest, diff > 0);
datetime_set_date(&bdate2, 1900, 7, 15);
datetime_set_date(&bdate2, BACNET_EPOCH_YEAR, 7, 15);
diff = datetime_compare_date(&bdate1, &bdate2);
ct_test(pTest, diff > 0);
datetime_set_date(&bdate2, 2008, 7, 15);
@@ -1038,12 +1247,12 @@ static void testBACnetDateTime(
BACNET_TIME btime;
int diff = 0;
datetime_set_values(&bdatetime1, 1900, 1, 1, 0, 0, 0, 0);
datetime_set_values(&bdatetime1, BACNET_EPOCH_YEAR, 1, 1, 0, 0, 0, 0);
datetime_copy(&bdatetime2, &bdatetime1);
diff = datetime_compare(&bdatetime1, &bdatetime2);
ct_test(pTest, diff == 0);
datetime_set_time(&btime, 0, 0, 0, 0);
datetime_set_date(&bdate, 1900, 1, 1);
datetime_set_date(&bdate, BACNET_EPOCH_YEAR, 1, 1);
datetime_set(&bdatetime1, &bdate, &btime);
diff = datetime_compare(&bdatetime1, &bdatetime2);
ct_test(pTest, diff == 0);
@@ -1167,20 +1376,20 @@ static void testDateEpoch(
uint8_t month = 0, test_month = 0;
uint8_t day = 0, test_day = 0;
days = days_since_epoch(1900, 1, 1);
days = days_since_epoch(BACNET_EPOCH_YEAR, 1, 1);
ct_test(pTest, days == 0);
days_since_epoch_into_ymd(days, &year, &month, &day);
ct_test(pTest, year == 1900);
ct_test(pTest, year == BACNET_EPOCH_YEAR);
ct_test(pTest, month == 1);
ct_test(pTest, day == 1);
for (year = 1900; year <= 2154; year++) {
for (year = BACNET_EPOCH_YEAR; year < (BACNET_EPOCH_YEAR+0xFF); year++) {
for (month = 1; month <= 12; month++) {
for (day = 1; day <= datetime_month_days(year, month); day++) {
days = days_since_epoch(year, month, day);
days_since_epoch_into_ymd(days, &test_year, &test_month,
&test_day);
days_since_epoch_into_ymd(days,
&test_year, &test_month, &test_day);
ct_test(pTest, year == test_year);
ct_test(pTest, month == test_month);
ct_test(pTest, day == test_day);
@@ -1196,23 +1405,23 @@ static void testBACnetDayOfWeek(
/* 1/1/1900 is a Monday */
dow = datetime_day_of_week(1900, 1, 1);
ct_test(pTest, dow == 1);
ct_test(pTest, dow == BACNET_WEEKDAY_MONDAY);
/* 1/1/2007 is a Monday */
dow = datetime_day_of_week(2007, 1, 1);
ct_test(pTest, dow == 1);
ct_test(pTest, dow == BACNET_WEEKDAY_MONDAY);
dow = datetime_day_of_week(2007, 1, 2);
ct_test(pTest, dow == 2);
ct_test(pTest, dow == BACNET_WEEKDAY_TUESDAY);
dow = datetime_day_of_week(2007, 1, 3);
ct_test(pTest, dow == 3);
ct_test(pTest, dow == BACNET_WEEKDAY_WEDNESDAY);
dow = datetime_day_of_week(2007, 1, 4);
ct_test(pTest, dow == 4);
ct_test(pTest, dow == BACNET_WEEKDAY_THURSDAY);
dow = datetime_day_of_week(2007, 1, 5);
ct_test(pTest, dow == 5);
ct_test(pTest, dow == BACNET_WEEKDAY_FRIDAY);
dow = datetime_day_of_week(2007, 1, 6);
ct_test(pTest, dow == 6);
ct_test(pTest, dow == BACNET_WEEKDAY_SATURDAY);
dow = datetime_day_of_week(2007, 1, 7);
ct_test(pTest, dow == 7);
ct_test(pTest, dow == BACNET_WEEKDAY_SUNDAY);
dow = datetime_day_of_week(2007, 1, 31);
ct_test(pTest, dow == 3);