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Merge remote-tracking branch 'origin/jetty-9.3.x' into jetty-9.4.x

This commit is contained in:
Greg Wilkins 2017-04-28 11:07:00 +02:00
parent 94ea83b49a c87903f39d
commit fe4928b8ea
1 changed files with 25 additions and 28 deletions
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39
jetty-util/src/main/java/org/eclipse/jetty/util/RolloverFileOutputStream.java
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@ -55,7 +55,7 @@ public class RolloverFileOutputStream extends FilterOutputStream
final static int ROLLOVER_FILE_RETAIN_DAYS = 31;
private RollTask _rollTask;
private ZonedDateTime midnight;
private ZonedDateTime _midnight;
private SimpleDateFormat _fileBackupFormat;
private SimpleDateFormat _fileDateFormat;
@ -176,13 +176,14 @@ public class RolloverFileOutputStream extends FilterOutputStream
__rollover=new Timer(RolloverFileOutputStream.class.getName(),true);
// Calculate Today's Midnight, based on Configured TimeZone (will be in past, even if by a few milliseconds)
midnight = toMidnight(ZonedDateTime.now(zone.toZoneId()), zone.toZoneId());
ZonedDateTime now = ZonedDateTime.now(zone.toZoneId());
_midnight = toMidnight(now, zone.toZoneId());
// This will schedule the rollover event to the next midnight
scheduleNextRollover();
scheduleNextRollover(now);
}
}
/* ------------------------------------------------------------ */
/**
* Get the "start of day" for the provided DateTime at the zone specified.
*
@ -195,6 +196,7 @@ public class RolloverFileOutputStream extends FilterOutputStream
return dateTime.toLocalDate().atStartOfDay(zone);
}
/* ------------------------------------------------------------ */
/**
* Get the next "start of day" for the provided date.
*
@ -209,26 +211,18 @@ public class RolloverFileOutputStream extends FilterOutputStream
return dateTime.toLocalDate().plus(1, ChronoUnit.DAYS).atStartOfDay(dateTime.getZone());
}
private void scheduleNextRollover()
/* ------------------------------------------------------------ */
private void scheduleNextRollover(ZonedDateTime now)
{
_rollTask = new RollTask();
// Get tomorrow's midnight based on Configured TimeZone
midnight = nextMidnight(midnight);
while (_midnight.isBefore(now))
_midnight = nextMidnight(_midnight);
long now = System.currentTimeMillis();
long delay = midnight.toInstant().toEpochMilli() - System.currentTimeMillis();
try
{
long delay = _midnight.toInstant().toEpochMilli() - now.toInstant().toEpochMilli();
// Schedule next rollover event to occur, based on local machine's Unix Epoch milliseconds
__rollover.schedule(_rollTask,delay);
}
catch (IllegalArgumentException e)
{
System.err.printf("[ERROR] midnight=%s, midnight-epoch=%d, now=%d, delay=%d - ",
midnight, midnight.toInstant().toEpochMilli(), now, delay);
e.printStackTrace(System.err);
}
}
/* ------------------------------------------------------------ */
public String getFilename()
@ -294,12 +288,11 @@ public class RolloverFileOutputStream extends FilterOutputStream
}
/* ------------------------------------------------------------ */
private void removeOldFiles()
private void removeOldFiles(ZonedDateTime now)
{
if (_retainDays>0)
{
// Establish expiration time, based on configured TimeZone
ZonedDateTime now = ZonedDateTime.now(this.midnight.getZone());
long expired = now.toInstant().toEpochMilli();
File file= new File(_filename);
@ -372,9 +365,13 @@ public class RolloverFileOutputStream extends FilterOutputStream
{
try
{
synchronized(RolloverFileOutputStream.class)
{
ZonedDateTime now = ZonedDateTime.now(_midnight.getZone());
RolloverFileOutputStream.this.setFile();
RolloverFileOutputStream.this.scheduleNextRollover();
RolloverFileOutputStream.this.removeOldFiles();
RolloverFileOutputStream.this.scheduleNextRollover(now);
RolloverFileOutputStream.this.removeOldFiles(now);
}
}
catch(Throwable t)
{