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jetty-9 - Improved logging.

This commit is contained in:
Simone Bordet 2012-09-14 15:09:22 +02:00
parent 22ba57b8d2
commit 655a313fdf
1 changed files with 16 additions and 4 deletions
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20
jetty-io/src/main/java/org/eclipse/jetty/io/WriteFlusher.java
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@ -44,6 +44,7 @@ import org.eclipse.jetty.util.log.Logger;
abstract public class WriteFlusher
{
private static final Logger LOG = Log.getLogger(WriteFlusher.class);
private static final boolean DEBUG = LOG.isDebugEnabled(); // Easy for the compiler to remove the code if DEBUG==false
private static final EnumMap<StateType, Set<StateType>> __stateTransitions = new EnumMap<>(StateType.class);
private static final State __IDLE = new IdleState();
private static final State __WRITING = new WritingState();
@ -111,7 +112,8 @@ abstract public class WriteFlusher
throw new IllegalStateException();
boolean updated = _state.compareAndSet(previous, next);
LOG.debug("update {}:{}{}{}", this, previous, updated?"-->":"!->",next);
if (DEBUG)
LOG.debug("update {}:{}{}{}", this, previous, updated?"-->":"!->",next);
return updated;
}
@ -289,7 +291,7 @@ abstract public class WriteFlusher
*/
public <C> void write(C context, Callback<C> callback, ByteBuffer... buffers) throws WritePendingException
{
if (LOG.isDebugEnabled())
if (DEBUG)
LOG.debug("write: {} {}", this, BufferUtil.toDetailString(buffers));
if (!updateState(__IDLE,__WRITING))
@ -298,6 +300,8 @@ abstract public class WriteFlusher
try
{
boolean flushed=_endPoint.flush(buffers);
if (DEBUG)
LOG.debug("flushed {}", flushed);
// Are we complete?
for (ByteBuffer b : buffers)
@ -321,6 +325,8 @@ abstract public class WriteFlusher
}
catch (IOException e)
{
if (DEBUG)
LOG.debug("write exception", e);
if (updateState(__WRITING,__IDLE))
{
if (callback!=null)
@ -342,7 +348,8 @@ abstract public class WriteFlusher
*/
public void completeWrite()
{
LOG.debug("completeWrite: {}", this);
if (DEBUG)
LOG.debug("completeWrite: {}", this);
State previous = _state.get();
@ -358,6 +365,8 @@ abstract public class WriteFlusher
ByteBuffer[] buffers = pending.getBuffers();
boolean flushed=_endPoint.flush(buffers);
if (DEBUG)
LOG.debug("flushed {}", flushed);
// Are we complete?
for (ByteBuffer b : buffers)
@ -379,6 +388,8 @@ abstract public class WriteFlusher
}
catch (IOException e)
{
if (DEBUG)
LOG.debug("completeWrite exception", e);
if(updateState(__COMPLETING,__IDLE))
pending.fail(e);
else
@ -388,7 +399,8 @@ abstract public class WriteFlusher
public void onFail(Throwable cause)
{
LOG.debug("failed: {} {}", this, cause);
if (DEBUG)
LOG.debug("failed: {} {}", this, cause);
// Keep trying to handle the failure until we get to IDLE or FAILED state
while(true)