From 1ab173bb3536182a1eb40f49e59c44bc030d649b Mon Sep 17 00:00:00 2001
From: Jean-Noël Rouvignac <jean-noel.rouvignac@forgerock.com>
Date: Tue, 06 Oct 2015 08:08:53 +0000
Subject: [PATCH] bugfix: dsconfig on loggers trigger thread leaks
---
opendj-server-legacy/src/main/java/org/opends/server/loggers/TextAccessLogPublisher.java | 87 ++++++++++++++++++++++++++++++++++++-------
1 files changed, 72 insertions(+), 15 deletions(-)
diff --git a/opendj-server-legacy/src/main/java/org/opends/server/loggers/TextAccessLogPublisher.java b/opendj-server-legacy/src/main/java/org/opends/server/loggers/TextAccessLogPublisher.java
index d95a719..046bc25 100644
--- a/opendj-server-legacy/src/main/java/org/opends/server/loggers/TextAccessLogPublisher.java
+++ b/opendj-server-legacy/src/main/java/org/opends/server/loggers/TextAccessLogPublisher.java
@@ -118,30 +118,72 @@
if (config.isAsynchronous())
{
- // The asynchronous setting is being turned on.
- if (!(writer instanceof AsynchronousTextWriter))
+ if (useAsyncWriter(config))
{
- writer = newAsyncWriter(mfWriter, config);
+ if (writer instanceof AsynchronousTextWriter)
+ {
+ if (hasAsyncConfigChanged(config))
+ {
+ // reinstantiate
+ final AsynchronousTextWriter previousWriter = (AsynchronousTextWriter) writer;
+ writer = newAsyncWriter(mfWriter, config);
+ previousWriter.shutdown(false);
+ }
+ }
+ else if (writer instanceof ParallelTextWriter)
+ {
+ // convert parallel to async
+ final ParallelTextWriter previousWriter = (ParallelTextWriter) writer;
+ writer = newAsyncWriter(mfWriter, config);
+ previousWriter.shutdown(false);
+ }
+ else
+ {
+ // turn async text writer on
+ writer = newAsyncWriter(mfWriter, config);
+ }
}
- if (!(writer instanceof ParallelTextWriter))
+ else
{
- writer = newParallelWriter(mfWriter, config);
+ if (writer instanceof AsynchronousTextWriter)
+ {
+ // convert async to parallel
+ final AsynchronousTextWriter previousWriter = (AsynchronousTextWriter) writer;
+ writer = newParallelWriter(mfWriter, config);
+ previousWriter.shutdown(false);
+ }
+ else if (writer instanceof ParallelTextWriter)
+ {
+ if (hasParallelConfigChanged(config))
+ {
+ // reinstantiate
+ final ParallelTextWriter previousWriter = (ParallelTextWriter) writer;
+ writer = newParallelWriter(mfWriter, config);
+ previousWriter.shutdown(false);
+ }
+ }
+ else
+ {
+ // turn parallel text writer on
+ writer = newParallelWriter(mfWriter, config);
+ }
}
}
else
{
- // The asynchronous setting is being turned off.
- if (writer instanceof AsynchronousTextWriter)
- {
- final AsynchronousTextWriter asyncWriter = (AsynchronousTextWriter) writer;
- writer = mfWriter;
- asyncWriter.shutdown(false);
- }
if (writer instanceof ParallelTextWriter)
{
- final ParallelTextWriter asyncWriter = (ParallelTextWriter) writer;
+ // asynchronous is being turned off, remove parallel text writers.
+ final ParallelTextWriter previousWriter = (ParallelTextWriter) writer;
writer = mfWriter;
- asyncWriter.shutdown(false);
+ previousWriter.shutdown(false);
+ }
+ else if (writer instanceof AsynchronousTextWriter)
+ {
+ // asynchronous is being turned off, remove async text writers.
+ final AsynchronousTextWriter previousWriter = (AsynchronousTextWriter) writer;
+ writer = mfWriter;
+ previousWriter.shutdown(false);
}
}
@@ -234,7 +276,7 @@
if (cfg.isAsynchronous())
{
- if (cfg.getQueueSize() > 0)
+ if (useAsyncWriter(cfg))
{
this.writer = newAsyncWriter(theWriter, cfg);
}
@@ -269,6 +311,21 @@
cfg.addFileBasedAccessChangeListener(this);
}
+ private boolean useAsyncWriter(FileBasedAccessLogPublisherCfg config)
+ {
+ return config.getQueueSize() > 0;
+ }
+
+ private boolean hasAsyncConfigChanged(FileBasedAccessLogPublisherCfg newConfig)
+ {
+ return hasParallelConfigChanged(newConfig) && cfg.getQueueSize() != newConfig.getQueueSize();
+ }
+
+ private boolean hasParallelConfigChanged(FileBasedAccessLogPublisherCfg newConfig)
+ {
+ return !cfg.dn().equals(newConfig.dn()) && cfg.isAutoFlush() != newConfig.isAutoFlush();
+ }
+
private AsynchronousTextWriter newAsyncWriter(MultifileTextWriter mfWriter, FileBasedAccessLogPublisherCfg config)
{
String name = "Asynchronous Text Writer for " + config.dn();
--
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