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removed extension queue #2175 

Signed-off-by: Greg Wilkins <gregw@webtide.com>
This commit is contained in:
Greg Wilkins 2019-01-10 16:31:50 +11:00
parent 9bd9133399
commit ce771070f6
2 changed files with 50 additions and 163 deletions
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126
jetty-websocket/websocket-core/src/main/java/org/eclipse/jetty/websocket/core/internal/ExtensionStack.java
View File

@ -51,8 +51,6 @@ public class ExtensionStack implements IncomingFrames, OutgoingFrames, Dumpable
{
private static final Logger LOG = Log.getLogger(ExtensionStack.class);
private final Queue<FrameEntry> entries = new ArrayDeque<>();
private final IteratingCallback flusher = new Flusher();
private final WebSocketExtensionRegistry factory;
private List<Extension> extensions;
private IncomingFrames incoming;
@ -198,11 +196,9 @@ public class ExtensionStack implements IncomingFrames, OutgoingFrames, Dumpable
{
if (outgoing == null)
throw new IllegalStateException();
FrameEntry entry = new FrameEntry(frame, callback, batch);
if (LOG.isDebugEnabled())
LOG.debug("Queuing {}", entry);
offerEntry(entry);
flusher.iterate();
LOG.debug("Extending out {} {} {}", frame, callback, batch);
outgoing.sendFrame(frame, callback, batch);
}
public void connect(IncomingFrames incoming, OutgoingFrames outgoing, WebSocketChannel webSocketChannel)
@ -224,30 +220,6 @@ public class ExtensionStack implements IncomingFrames, OutgoingFrames, Dumpable
extension.setWebSocketChannel(webSocketChannel);
}
private void offerEntry(FrameEntry entry)
{
synchronized (this)
{
entries.offer(entry);
}
}
private FrameEntry pollEntry()
{
synchronized (this)
{
return entries.poll();
}
}
private int getQueueSize()
{
synchronized (this)
{
return entries.size();
}
}
@Override
public String dump()
{
@ -264,9 +236,7 @@ public class ExtensionStack implements IncomingFrames, OutgoingFrames, Dumpable
public String toString()
{
StringBuilder s = new StringBuilder();
s.append("ExtensionStack[");
s.append("queueSize=").append(getQueueSize());
s.append(",extensions=");
s.append("ExtensionStack[extensions=");
if (extensions == null)
{
s.append("<null>");
@ -298,94 +268,4 @@ public class ExtensionStack implements IncomingFrames, OutgoingFrames, Dumpable
s.append("]");
return s.toString();
}
private class Flusher extends IteratingCallback implements Callback
{
private FrameEntry current;
@Override
protected Action process() throws Exception
{
current = pollEntry();
if (current == null)
{
if (LOG.isDebugEnabled())
LOG.debug("Entering IDLE");
return Action.IDLE;
}
if (LOG.isDebugEnabled())
LOG.debug("Processing {}", current);
outgoing.sendFrame(current.frame, this, current.batch);
return Action.SCHEDULED;
}
@Override
protected void onCompleteSuccess()
{
// This IteratingCallback never completes.
throw new IllegalStateException("This IteratingCallback should never complete.");
}
@Override
protected void onCompleteFailure(Throwable x)
{
// This IteratingCallback never fails.
// The callback are those provided by WriteCallback (implemented
// below) and even in case of writeFailed() we call succeeded().
throw new IllegalStateException("This IteratingCallback should never fail.");
}
@Override
public void succeeded()
{
// Notify first then call succeeded(), otherwise
// write callbacks may be invoked out of order.
notifyCallbackSuccess(current.callback);
super.succeeded();
}
@Override
public void failed(Throwable cause)
{
// Notify first, the call succeeded() to drain the queue.
// We don't want to call failed(x) because that will put
// this flusher into a final state that cannot be exited,
// and the failure of a frame may not mean that the whole
// connection is now invalid.
notifyCallbackFailure(current.callback, cause);
super.failed(cause);
}
private void notifyCallbackSuccess(Callback callback)
{
try
{
if (callback != null)
callback.succeeded();
}
catch (Throwable x)
{
LOG.debug("Exception while notifying success of callback " + callback, x);
}
}
private void notifyCallbackFailure(Callback callback, Throwable failure)
{
try
{
if (callback != null)
callback.failed(failure);
}
catch (Throwable x)
{
LOG.debug("Exception while notifying failure of callback " + callback, x);
}
}
@Override
public String toString()
{
return "ExtensionStack$Flusher[" + (extensions == null?-1:extensions.size()) + "]";
}
}
}

9
jetty-websocket/websocket-core/src/main/java/org/eclipse/jetty/websocket/core/internal/WebSocketChannel.java
View File

@ -455,6 +455,8 @@ public class WebSocketChannel implements IncomingFrames, FrameHandler.CoreSessio
@Override
public void sendFrame(Frame frame, Callback callback, boolean batch)
{
synchronized(this)
{
if (LOG.isDebugEnabled())
LOG.debug("sendFrame({}, {}, {})", frame, callback, batch);
@ -509,13 +511,17 @@ public class WebSocketChannel implements IncomingFrames, FrameHandler.CoreSessio
}
negotiated.getExtensions().sendFrame(frame, callback, batch);
}
connection.sendFrameQueue();
}
@Override
public void flush(Callback callback)
{
synchronized(this)
{
negotiated.getExtensions().sendFrame(FrameFlusher.FLUSH_FRAME, callback, false);
}
connection.sendFrameQueue();
}
@ -598,7 +604,8 @@ public class WebSocketChannel implements IncomingFrames, FrameHandler.CoreSessio
maxTextMessageSize = maxSize;
}
private class IncomingAdaptor extends FrameSequence implements IncomingFrames
private class
IncomingAdaptor extends FrameSequence implements IncomingFrames
{
@Override
public void onFrame(Frame frame, Callback callback)