public static void estimateKeyDerivationTime() {
// This is run in the background after startup. If we haven't recorded it before, do a key
// derivation to see
// how long it takes. This helps us produce better progress feedback, as on Windows we don't
// currently have a
// native Scrypt impl and the Java version is ~3 times slower, plus it depends a lot on CPU
// speed.
checkGuiThread();
estimatedKeyDerivationTime = Main.instance.prefs.getExpectedKeyDerivationTime();
if (estimatedKeyDerivationTime == null) {
new Thread(
() -> {
log.info("Doing background test key derivation");
KeyCrypterScrypt scrypt = new KeyCrypterScrypt(SCRYPT_PARAMETERS);
long start = System.currentTimeMillis();
scrypt.deriveKey("test password");
long msec = System.currentTimeMillis() - start;
log.info("Background test key derivation took {}msec", msec);
Platform.runLater(
() -> {
estimatedKeyDerivationTime = Duration.ofMillis(msec);
Main.instance.prefs.setExpectedKeyDerivationTime(estimatedKeyDerivationTime);
});
})
.start();
}
}
public static void main(String[] args) {
DecimalFormat decimalFormat = new DecimalFormat("00");
System.out.println(decimalFormat.format(7));
// f3();
Instant timestamp = Instant.ofEpochMilli(System.currentTimeMillis());
System.out.println(timestamp);
Instant current = Clock.system(ZoneId.of("Asia/Shanghai")).instant();
System.out.println(ZoneId.of("Asia/Shanghai").getRules());
System.out.println(current);
// System.out.println(System.currentTimeMillis());
// System.out.println(Instant.now().getEpochSecond());
}
public static ZonedDateTime getNextSchedule() {
ZonedDateTime next_schedule;
// Determine type of schedule
if (ConfigHandler.backupInterval > 0) // Interval
{
next_schedule =
ZonedDateTime.ofInstant(
Instant.ofEpochMilli(
System.currentTimeMillis() + (ConfigHandler.backupInterval * 60 * 1000)),
ZoneId.systemDefault());
} else // Schedule
{
if (ConfigHandler.backupSchedule.length == 0) {
return null;
}
LocalTime now = LocalTime.now();
LocalTime next_time = null;
LocalDate day = LocalDate.now();
TreeSet<LocalTime> times = new TreeSet<>();
for (String s : ConfigHandler.backupSchedule) {
times.add(LocalTime.parse(s, DateTimeFormatter.ofPattern("H:mm")));
}
for (LocalTime t : times) // try to find next scheduled time for today
{
if (t.compareTo(now) == 1) {
next_time = t;
break;
}
}
if (next_time
== null) // if we couldn't find one for today take the first schedule time for tomorrow
{
day = day.plusDays(1);
next_time = times.first();
}
next_schedule = ZonedDateTime.of(day, next_time, ZoneId.systemDefault());
}
return next_schedule;
}