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470727 - Thread Starvation of selector wakeups. 

Changed the CallBack.NonBlocking to a default Callback.isNonBlocking, so that wrapping callbacks can determine if they are NonBlocking or not.
This commit is contained in:
Greg Wilkins 2015-07-22 17:31:54 +10:00
parent 24c31527cb
commit 607239028c
47 changed files with 519 additions and 146 deletions
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13
jetty-client/src/main/java/org/eclipse/jetty/client/HttpSender.java
View File

@ -672,6 +672,13 @@ public abstract class HttpSender implements AsyncContentProvider.Listener
private class CommitCallback implements Callback
{
@Override
public boolean isNonBlocking()
{
return content.isNonBlocking();
}
@Override
public void succeeded()
{
@ -882,6 +889,12 @@ public abstract class HttpSender implements AsyncContentProvider.Listener
private class LastContentCallback implements Callback
{
@Override
public boolean isNonBlocking()
{
return content.isNonBlocking();
}
@Override
public void succeeded()
{

6
jetty-client/src/main/java/org/eclipse/jetty/client/http/HttpSenderOverHTTP.java
View File

@ -230,6 +230,12 @@ public class HttpSenderOverHTTP extends HttpSender
this.buffers = buffers;
}
@Override
public boolean isNonBlocking()
{
return callback.isNonBlocking();
}
@Override
public void succeeded()
{

4
jetty-client/src/main/java/org/eclipse/jetty/client/util/DeferredContentProvider.java
View File

@ -87,7 +87,7 @@ import org.eclipse.jetty.util.Callback;
*/
public class DeferredContentProvider implements AsyncContentProvider, Callback, Closeable
{
private static final Chunk CLOSE = new Chunk(BufferUtil.EMPTY_BUFFER, Callback.Adapter.INSTANCE);
private static final Chunk CLOSE = new Chunk(BufferUtil.EMPTY_BUFFER, Callback.NOOP);
private final Object lock = this;
private final ArrayQueue<Chunk> chunks = new ArrayQueue<>(4, 64, lock);
@ -143,7 +143,7 @@ public class DeferredContentProvider implements AsyncContentProvider, Callback,
*/
public boolean offer(ByteBuffer buffer)
{
return offer(buffer, Callback.Adapter.INSTANCE);
return offer(buffer, Callback.NOOP);
}
public boolean offer(ByteBuffer buffer, Callback callback)

6
jetty-client/src/main/java/org/eclipse/jetty/client/util/OutputStreamContentProvider.java
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@ -78,6 +78,12 @@ public class OutputStreamContentProvider implements AsyncContentProvider, Callba
private final DeferredContentProvider deferred = new DeferredContentProvider();
private final OutputStream output = new DeferredOutputStream();
@Override
public boolean isNonBlocking()
{
return deferred.isNonBlocking();
}
@Override
public long getLength()
{

2
jetty-client/src/test/java/org/eclipse/jetty/client/HttpClientFailureTest.java
View File

@ -157,7 +157,7 @@ public class HttpClientFailureTest
Assert.assertTrue(commitLatch.await(5, TimeUnit.SECONDS));
final CountDownLatch contentLatch = new CountDownLatch(1);
content.offer(ByteBuffer.allocate(1024), new Callback.Adapter()
content.offer(ByteBuffer.allocate(1024), new Callback()
{
@Override
public void failed(Throwable x)

6
jetty-client/src/test/java/org/eclipse/jetty/client/HttpClientStreamTest.java
View File

@ -691,7 +691,7 @@ public class HttpClientStreamTest extends AbstractHttpClientServerTest
try (DeferredContentProvider content = new DeferredContentProvider())
{
// Make the content immediately available.
content.offer(ByteBuffer.allocate(1024), new Callback.Adapter()
content.offer(ByteBuffer.allocate(1024), new Callback()
{
@Override
public void succeeded()
@ -976,7 +976,7 @@ public class HttpClientStreamTest extends AbstractHttpClientServerTest
start(new EmptyServerHandler());
final CountDownLatch failLatch = new CountDownLatch(2);
final Callback.Adapter callback = new Callback.Adapter()
final Callback callback = new Callback()
{
@Override
public void failed(Throwable x)
@ -1014,7 +1014,7 @@ public class HttpClientStreamTest extends AbstractHttpClientServerTest
// Make sure that adding more content results in the callback to be failed.
final CountDownLatch latch = new CountDownLatch(1);
content.offer(ByteBuffer.wrap(new byte[128]), new Callback.Adapter()
content.offer(ByteBuffer.wrap(new byte[128]), new Callback()
{
@Override
public void failed(Throwable x)

2
jetty-fcgi/fcgi-client/src/main/java/org/eclipse/jetty/fcgi/client/http/HttpSenderOverFCGI.java
View File

@ -99,7 +99,7 @@ public class HttpSenderOverFCGI extends HttpSender
int id = getHttpChannel().getRequest();
boolean hasContent = content.hasContent();
Generator.Result headersResult = generator.generateRequestHeaders(id, fcgiHeaders,
hasContent ? callback : Callback.Adapter.INSTANCE);
hasContent ? callback : Callback.NOOP);
if (hasContent)
{
getHttpChannel().flush(headersResult);

4
jetty-fcgi/fcgi-server/src/main/java/org/eclipse/jetty/fcgi/server/HttpTransportOverFCGI.java
View File

@ -105,7 +105,7 @@ public class HttpTransportOverFCGI implements HttpTransport
{
if (lastContent)
{
Generator.Result headersResult = generateResponseHeaders(info, Callback.Adapter.INSTANCE);
Generator.Result headersResult = generateResponseHeaders(info, Callback.NOOP);
Generator.Result contentResult = generateResponseContent(BufferUtil.EMPTY_BUFFER, true, callback);
flusher.flush(headersResult, contentResult);
}
@ -117,7 +117,7 @@ public class HttpTransportOverFCGI implements HttpTransport
}
else
{
Generator.Result headersResult = generateResponseHeaders(info, Callback.Adapter.INSTANCE);
Generator.Result headersResult = generateResponseHeaders(info, Callback.NOOP);
Generator.Result contentResult = generateResponseContent(content, lastContent, callback);
flusher.flush(headersResult, contentResult);
}

2
jetty-http2/http2-client/src/main/java/org/eclipse/jetty/http2/client/HTTP2Client.java
View File

@ -299,7 +299,7 @@ public class HTTP2Client extends ContainerLifeCycle
private void closeConnections()
{
for (ISession session : sessions)
session.close(ErrorCode.NO_ERROR.code, null, Callback.Adapter.INSTANCE);
session.close(ErrorCode.NO_ERROR.code, null, Callback.NOOP);
sessions.clear();
}

4
jetty-http2/http2-client/src/main/java/org/eclipse/jetty/http2/client/HTTP2ClientSession.java
View File

@ -55,7 +55,7 @@ public class HTTP2ClientSession extends HTTP2Session
}
else
{
stream.process(frame, Callback.Adapter.INSTANCE);
stream.process(frame, Callback.NOOP);
notifyHeaders(stream, frame);
}
}
@ -92,7 +92,7 @@ public class HTTP2ClientSession extends HTTP2Session
else
{
IStream pushStream = createRemoteStream(pushStreamId);
pushStream.process(frame, Callback.Adapter.INSTANCE);
pushStream.process(frame, Callback.NOOP);
Stream.Listener listener = notifyPush(stream, pushStream, frame);
pushStream.setListener(listener);
}

8
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/AsyncIOTest.java
View File

@ -94,7 +94,7 @@ public class AsyncIOTest extends AbstractTest
}
});
Stream stream = promise.get(5, TimeUnit.SECONDS);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.NOOP);
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
@ -148,7 +148,7 @@ public class AsyncIOTest extends AbstractTest
// Wait until service() returns.
Thread.sleep(1000);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.NOOP);
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
@ -204,11 +204,11 @@ public class AsyncIOTest extends AbstractTest
// Wait until service() returns.
Thread.sleep(1000);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), Callback.NOOP);
// Wait until onDataAvailable() returns.
Thread.sleep(1000);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), true), Callback.NOOP);
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
// Make sure onDataAvailable() has been called twice

52
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/FlowControlStrategyTest.java
View File

@ -247,7 +247,7 @@ public abstract class FlowControlStrategyTest
HttpFields fields = new HttpFields();
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, fields);
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), response, null, true);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return new Stream.Listener.Adapter()
{
@ -263,7 +263,7 @@ public abstract class FlowControlStrategyTest
callbackRef.set(callback);
Map<Integer, Integer> settings = new HashMap<>();
settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, size);
stream.getSession().settings(new SettingsFrame(settings, false), Callback.Adapter.INSTANCE);
stream.getSession().settings(new SettingsFrame(settings, false), Callback.NOOP);
// Do not succeed the callback here.
}
else if (dataFrameCount > 1)
@ -293,11 +293,11 @@ public abstract class FlowControlStrategyTest
Stream stream = promise.get(5, TimeUnit.SECONDS);
// Send first chunk that exceeds the window.
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(size * 2), false), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(size * 2), false), Callback.NOOP);
settingsLatch.await(5, TimeUnit.SECONDS);
// Send the second chunk of data, must not arrive since we're flow control stalled on the client.
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(size * 2), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(size * 2), true), Callback.NOOP);
Assert.assertFalse(dataLatch.await(1, TimeUnit.SECONDS));
// Consume the data arrived to server, this will resume flow control on the client.
@ -325,10 +325,10 @@ public abstract class FlowControlStrategyTest
{
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, false);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
DataFrame dataFrame = new DataFrame(stream.getId(), ByteBuffer.allocate(length), true);
stream.data(dataFrame, Callback.Adapter.INSTANCE);
stream.data(dataFrame, Callback.NOOP);
return null;
}
});
@ -337,7 +337,7 @@ public abstract class FlowControlStrategyTest
Map<Integer, Integer> settings = new HashMap<>();
settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, windowSize);
session.settings(new SettingsFrame(settings, false), Callback.Adapter.INSTANCE);
session.settings(new SettingsFrame(settings, false), Callback.NOOP);
Assert.assertTrue(settingsLatch.await(5, TimeUnit.SECONDS));
@ -417,7 +417,7 @@ public abstract class FlowControlStrategyTest
{
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, false);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return new Stream.Listener.Adapter()
{
private AtomicInteger dataFrames = new AtomicInteger();
@ -474,7 +474,7 @@ public abstract class FlowControlStrategyTest
final int length = 5 * windowSize;
DataFrame dataFrame = new DataFrame(stream.getId(), ByteBuffer.allocate(length), true);
stream.data(dataFrame, Callback.Adapter.INSTANCE);
stream.data(dataFrame, Callback.NOOP);
Callback callback = exchanger.exchange(null, 5, TimeUnit.SECONDS);
checkThatWeAreFlowControlStalled(exchanger);
@ -519,7 +519,7 @@ public abstract class FlowControlStrategyTest
// Send data to consume most of the session window.
ByteBuffer data = ByteBuffer.allocate(FlowControlStrategy.DEFAULT_WINDOW_SIZE - windowSize);
DataFrame dataFrame = new DataFrame(stream.getId(), data, true);
stream.data(dataFrame, Callback.Adapter.INSTANCE);
stream.data(dataFrame, Callback.NOOP);
return null;
}
else
@ -527,9 +527,9 @@ public abstract class FlowControlStrategyTest
// For every stream, send down half the window size of data.
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, false);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
DataFrame dataFrame = new DataFrame(stream.getId(), ByteBuffer.allocate(windowSize / 2), true);
stream.data(dataFrame, Callback.Adapter.INSTANCE);
stream.data(dataFrame, Callback.NOOP);
return null;
}
}
@ -615,9 +615,9 @@ public abstract class FlowControlStrategyTest
{
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, false);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
DataFrame dataFrame = new DataFrame(stream.getId(), ByteBuffer.wrap(data), true);
stream.data(dataFrame, Callback.Adapter.INSTANCE);
stream.data(dataFrame, Callback.NOOP);
return null;
}
});
@ -675,8 +675,8 @@ public abstract class FlowControlStrategyTest
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
stream.data(new DataFrame(stream.getId(), ByteBuffer.wrap(chunk1), false), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.wrap(chunk2), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.wrap(chunk1), false), Callback.NOOP);
stream.data(new DataFrame(stream.getId(), ByteBuffer.wrap(chunk2), true), Callback.NOOP);
dataLatch.countDown();
return null;
}
@ -685,7 +685,7 @@ public abstract class FlowControlStrategyTest
Session session = newClient(new Session.Listener.Adapter());
Map<Integer, Integer> settings = new HashMap<>();
settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, 0);
session.settings(new SettingsFrame(settings, false), Callback.Adapter.INSTANCE);
session.settings(new SettingsFrame(settings, false), Callback.NOOP);
Assert.assertTrue(settingsLatch.get().await(5, TimeUnit.SECONDS));
byte[] content = new byte[chunk1.length + chunk2.length];
@ -712,7 +712,7 @@ public abstract class FlowControlStrategyTest
settingsLatch.set(new CountDownLatch(1));
settings.clear();
settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, chunk1.length / 2);
session.settings(new SettingsFrame(settings, false), Callback.Adapter.INSTANCE);
session.settings(new SettingsFrame(settings, false), Callback.NOOP);
Assert.assertTrue(settingsLatch.get().await(5, TimeUnit.SECONDS));
Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS));
@ -734,7 +734,7 @@ public abstract class FlowControlStrategyTest
{
MetaData metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, false);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return new Stream.Listener.Adapter()
{
@Override
@ -787,7 +787,7 @@ public abstract class FlowControlStrategyTest
ByteBuffer requestContent = ByteBuffer.wrap(requestData);
DataFrame dataFrame = new DataFrame(stream.getId(), requestContent, true);
stream.data(dataFrame, Callback.Adapter.INSTANCE);
stream.data(dataFrame, Callback.NOOP);
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
@ -820,7 +820,7 @@ public abstract class FlowControlStrategyTest
Stream stream = streamPromise.get(5, TimeUnit.SECONDS);
ByteBuffer data = ByteBuffer.allocate(FlowControlStrategy.DEFAULT_WINDOW_SIZE);
final CountDownLatch dataLatch = new CountDownLatch(1);
stream.data(new DataFrame(stream.getId(), data, false), new Callback.Adapter()
stream.data(new DataFrame(stream.getId(), data, false), new Callback.NonBlocking()
{
@Override
public void succeeded()
@ -845,7 +845,7 @@ public abstract class FlowControlStrategyTest
ByteBuffer extraData = ByteBuffer.allocate(1024);
http2Session.getGenerator().data(lease, new DataFrame(stream.getId(), extraData, true), extraData.remaining());
List<ByteBuffer> buffers = lease.getByteBuffers();
http2Session.getEndPoint().write(Callback.Adapter.INSTANCE, buffers.toArray(new ByteBuffer[buffers.size()]));
http2Session.getEndPoint().write(Callback.NOOP, buffers.toArray(new ByteBuffer[buffers.size()]));
// Expect the connection to be closed.
Assert.assertTrue(closeLatch.await(5, TimeUnit.SECONDS));
@ -885,7 +885,7 @@ public abstract class FlowControlStrategyTest
Stream stream = streamPromise.get(5, TimeUnit.SECONDS);
ByteBuffer data = ByteBuffer.allocate(FlowControlStrategy.DEFAULT_WINDOW_SIZE);
final CountDownLatch dataLatch = new CountDownLatch(1);
stream.data(new DataFrame(stream.getId(), data, false), new Callback.Adapter()
stream.data(new DataFrame(stream.getId(), data, false), new Callback.NonBlocking()
{
@Override
public void succeeded()
@ -906,7 +906,7 @@ public abstract class FlowControlStrategyTest
ByteBuffer extraData = ByteBuffer.allocate(1024);
http2Session.getGenerator().data(lease, new DataFrame(stream.getId(), extraData, true), extraData.remaining());
List<ByteBuffer> buffers = lease.getByteBuffers();
http2Session.getEndPoint().write(Callback.Adapter.INSTANCE, buffers.toArray(new ByteBuffer[buffers.size()]));
http2Session.getEndPoint().write(Callback.NOOP, buffers.toArray(new ByteBuffer[buffers.size()]));
// Expect the connection to be closed.
Assert.assertTrue(closeLatch.await(5, TimeUnit.SECONDS));
@ -936,7 +936,7 @@ public abstract class FlowControlStrategyTest
// stream is reset, and automatically consumed to
// keep the session window large for other streams.
callback.failed(new Throwable());
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.Adapter.INSTANCE);
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
}
};
}
@ -960,7 +960,7 @@ public abstract class FlowControlStrategyTest
// Perform a big upload that will stall the flow control windows.
ByteBuffer data = ByteBuffer.allocate(5 * FlowControlStrategy.DEFAULT_WINDOW_SIZE);
final CountDownLatch dataLatch = new CountDownLatch(1);
stream.data(new DataFrame(stream.getId(), data, true), new Callback.Adapter()
stream.data(new DataFrame(stream.getId(), data, true), new Callback.NonBlocking()
{
@Override
public void failed(Throwable x)

20
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/IdleTimeoutTest.java
View File

@ -65,7 +65,7 @@ public class IdleTimeoutTest extends AbstractTest
stream.setIdleTimeout(10 * idleTimeout);
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return null;
}
});
@ -154,7 +154,7 @@ public class IdleTimeoutTest extends AbstractTest
sleep(idleTimeout + idleTimeout / 2);
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return null;
}
});
@ -207,7 +207,7 @@ public class IdleTimeoutTest extends AbstractTest
stream.setIdleTimeout(10 * idleTimeout);
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return null;
}
@ -285,7 +285,7 @@ public class IdleTimeoutTest extends AbstractTest
stream.setIdleTimeout(10 * idleTimeout);
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return null;
}
@ -452,7 +452,7 @@ public class IdleTimeoutTest extends AbstractTest
sleep(idleTimeout / 2);
final CountDownLatch dataLatch = new CountDownLatch(1);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), new Callback.Adapter()
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), new Callback()
{
private int sends;
@ -461,7 +461,7 @@ public class IdleTimeoutTest extends AbstractTest
{
sleep(idleTimeout / 2);
final boolean last = ++sends == 2;
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), last), !last ? this : new Adapter()
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), last), !last ? this : new Callback.NonBlocking()
{
@Override
public void succeeded()
@ -486,7 +486,7 @@ public class IdleTimeoutTest extends AbstractTest
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.Adapter.INSTANCE);
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
return null;
}
@ -513,11 +513,11 @@ public class IdleTimeoutTest extends AbstractTest
final Stream stream = promise.get(5, TimeUnit.SECONDS);
sleep(idleTimeout / 2);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), Callback.NOOP);
sleep(idleTimeout / 2);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), false), Callback.NOOP);
sleep(idleTimeout / 2);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1), true), Callback.NOOP);
Assert.assertFalse(resetLatch.await(0, TimeUnit.SECONDS));
}

2
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/PingTest.java
View File

@ -51,7 +51,7 @@ public class PingTest extends AbstractTest
});
PingFrame frame = new PingFrame(payload, false);
session.ping(frame, Callback.Adapter.INSTANCE);
session.ping(frame, Callback.NOOP);
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}

2
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/PushCacheFilterTest.java
View File

@ -205,7 +205,7 @@ public class PushCacheFilterTest extends AbstractTest
{
// Reset the stream as soon as we see the push.
ResetFrame resetFrame = new ResetFrame(stream.getId(), ErrorCode.REFUSED_STREAM_ERROR.code);
stream.reset(resetFrame, Callback.Adapter.INSTANCE);
stream.reset(resetFrame, Callback.NOOP);
return new Adapter()
{
@Override

2
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/SessionFailureTest.java
View File

@ -84,7 +84,7 @@ public class SessionFailureTest extends AbstractTest
// Forcibly close the connection.
((HTTP2Session)stream.getSession()).getEndPoint().close();
// Now try to write something: it should fail.
stream.headers(frame, new Callback.Adapter()
stream.headers(frame, new Callback()
{
@Override
public void failed(Throwable x)

18
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/StreamCloseTest.java
View File

@ -80,7 +80,7 @@ public class StreamCloseTest extends AbstractTest
{
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame response = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(response, new Callback.Adapter()
stream.headers(response, new Callback()
{
@Override
public void succeeded()
@ -122,14 +122,14 @@ public class StreamCloseTest extends AbstractTest
{
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame response = new HeadersFrame(stream.getId(), metaData, null, false);
stream.headers(response, Callback.Adapter.INSTANCE);
stream.headers(response, Callback.NOOP);
return new Stream.Listener.Adapter()
{
@Override
public void onData(final Stream stream, DataFrame frame, final Callback callback)
{
Assert.assertTrue(((HTTP2Stream)stream).isRemotelyClosed());
stream.data(frame, new Callback.Adapter()
stream.data(frame, new Callback()
{
@Override
public void succeeded()
@ -163,7 +163,7 @@ public class StreamCloseTest extends AbstractTest
Assert.assertFalse(((HTTP2Stream)stream).isLocallyClosed());
final CountDownLatch clientDataLatch = new CountDownLatch(1);
stream.data(new DataFrame(stream.getId(), ByteBuffer.wrap(new byte[512]), true), new Callback.Adapter()
stream.data(new DataFrame(stream.getId(), ByteBuffer.wrap(new byte[512]), true), new Callback()
{
@Override
public void succeeded()
@ -198,7 +198,7 @@ public class StreamCloseTest extends AbstractTest
// When created, pushed stream must be implicitly remotely closed.
Assert.assertTrue(((HTTP2Stream)pushedStream).isRemotelyClosed());
// Send some data with endStream = true.
pushedStream.data(new DataFrame(pushedStream.getId(), ByteBuffer.allocate(16), true), new Callback.Adapter()
pushedStream.data(new DataFrame(pushedStream.getId(), ByteBuffer.allocate(16), true), new Callback()
{
@Override
public void succeeded()
@ -210,7 +210,7 @@ public class StreamCloseTest extends AbstractTest
}
}, new Stream.Listener.Adapter());
HeadersFrame response = new HeadersFrame(stream.getId(), new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields()), null, true);
stream.headers(response, Callback.Adapter.INSTANCE);
stream.headers(response, Callback.NOOP);
return null;
}
});
@ -259,7 +259,7 @@ public class StreamCloseTest extends AbstractTest
Assert.assertTrue(pushedStream.isReset());
Assert.assertTrue(pushedStream.isClosed());
HeadersFrame response = new HeadersFrame(stream.getId(), new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields()), null, true);
stream.headers(response, Callback.Adapter.INSTANCE);
stream.headers(response, Callback.NOOP);
serverLatch.countDown();
}
});
@ -275,7 +275,7 @@ public class StreamCloseTest extends AbstractTest
@Override
public Stream.Listener onPush(final Stream pushedStream, PushPromiseFrame frame)
{
pushedStream.reset(new ResetFrame(pushedStream.getId(), ErrorCode.REFUSED_STREAM_ERROR.code), new Callback.Adapter()
pushedStream.reset(new ResetFrame(pushedStream.getId(), ErrorCode.REFUSED_STREAM_ERROR.code), new Callback()
{
@Override
public void succeeded()
@ -315,7 +315,7 @@ public class StreamCloseTest extends AbstractTest
{
((HTTP2Session)stream.getSession()).getEndPoint().close();
// Try to write something to force an error.
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1024), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(1024), true), Callback.NOOP);
}
return null;
}

18
jetty-http2/http2-client/src/test/java/org/eclipse/jetty/http2/client/StreamResetTest.java
View File

@ -102,7 +102,7 @@ public class StreamResetTest extends AbstractTest
client.newStream(requestFrame, promise, new Stream.Listener.Adapter());
Stream stream = promise.get(5, TimeUnit.SECONDS);
ResetFrame resetFrame = new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code);
stream.reset(resetFrame, Callback.Adapter.INSTANCE);
stream.reset(resetFrame, Callback.NOOP);
Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS));
@ -126,14 +126,14 @@ public class StreamResetTest extends AbstractTest
{
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), response, null, false);
stream.headers(responseFrame, Callback.Adapter.INSTANCE);
stream.headers(responseFrame, Callback.NOOP);
return new Stream.Listener.Adapter()
{
@Override
public void onData(Stream stream, DataFrame frame, Callback callback)
{
callback.succeeded();
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.Adapter.INSTANCE);
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.NOOP);
serverDataLatch.countDown();
}
@ -141,7 +141,7 @@ public class StreamResetTest extends AbstractTest
public void onReset(Stream stream, ResetFrame frame)
{
// Simulate that there is pending data to send.
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), new Callback.Adapter()
stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), new Callback()
{
@Override
public void failed(Throwable x)
@ -192,14 +192,14 @@ public class StreamResetTest extends AbstractTest
Stream stream2 = promise2.get(5, TimeUnit.SECONDS);
ResetFrame resetFrame = new ResetFrame(stream1.getId(), ErrorCode.CANCEL_STREAM_ERROR.code);
stream1.reset(resetFrame, Callback.Adapter.INSTANCE);
stream1.reset(resetFrame, Callback.NOOP);
Assert.assertTrue(serverResetLatch.await(5, TimeUnit.SECONDS));
// Stream MUST NOT receive data sent by server after reset.
Assert.assertFalse(stream1DataLatch.await(1, TimeUnit.SECONDS));
// The other stream should still be working.
stream2.data(new DataFrame(stream2.getId(), ByteBuffer.allocate(16), true), Callback.Adapter.INSTANCE);
stream2.data(new DataFrame(stream2.getId(), ByteBuffer.allocate(16), true), Callback.NOOP);
Assert.assertTrue(serverDataLatch.await(5, TimeUnit.SECONDS));
Assert.assertTrue(stream2DataLatch.await(5, TimeUnit.SECONDS));
}
@ -262,7 +262,7 @@ public class StreamResetTest extends AbstractTest
@Override
public void onHeaders(Stream stream, HeadersFrame frame)
{
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.Adapter.INSTANCE);
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
resetLatch.countDown();
}
});
@ -314,7 +314,7 @@ public class StreamResetTest extends AbstractTest
Thread.sleep(1000);
HttpOutput output = (HttpOutput)response.getOutputStream();
output.sendContent(data, new Callback.Adapter()
output.sendContent(data, new Callback()
{
@Override
public void failed(Throwable x)
@ -341,7 +341,7 @@ public class StreamResetTest extends AbstractTest
@Override
public void onHeaders(Stream stream, HeadersFrame frame)
{
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.Adapter.INSTANCE);
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
resetLatch.countDown();
}
});

2
jetty-http2/http2-common/src/main/java/org/eclipse/jetty/http2/BufferingFlowControlStrategy.java
View File

@ -138,7 +138,7 @@ public class BufferingFlowControlStrategy extends AbstractFlowControlStrategy
}
if (windowFrame != null)
session.frames(stream, Callback.Adapter.INSTANCE, windowFrame, windowFrames);
session.frames(stream, Callback.NOOP, windowFrame, windowFrames);
}
@Override

18
jetty-http2/http2-common/src/main/java/org/eclipse/jetty/http2/HTTP2Session.java
View File

@ -161,7 +161,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
{
if (getRecvWindow() < 0)
{
close(ErrorCode.FLOW_CONTROL_ERROR.code, "session_window_exceeded", Callback.Adapter.INSTANCE);
close(ErrorCode.FLOW_CONTROL_ERROR.code, "session_window_exceeded", Callback.NOOP);
}
else
{
@ -209,7 +209,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
IStream stream = getStream(frame.getStreamId());
if (stream != null)
stream.process(frame, Callback.Adapter.INSTANCE);
stream.process(frame, Callback.NOOP);
else
notifyReset(this, frame);
}
@ -296,7 +296,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
if (reply)
{
SettingsFrame replyFrame = new SettingsFrame(Collections.<Integer, Integer>emptyMap(), true);
settings(replyFrame, Callback.Adapter.INSTANCE);
settings(replyFrame, Callback.NOOP);
}
}
@ -312,7 +312,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
else
{
PingFrame reply = new PingFrame(frame.getPayload(), true);
control(null, Callback.Adapter.INSTANCE, reply);
control(null, Callback.NOOP, reply);
}
}
@ -399,7 +399,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
@Override
public void onConnectionFailure(int error, String reason)
{
close(error, reason, Callback.Adapter.INSTANCE);
close(error, reason, Callback.NOOP);
notifyFailure(this, new IOException(String.format("%d/%s", error, reason)));
}
@ -619,7 +619,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
int maxCount = getMaxRemoteStreams();
if (maxCount >= 0 && remoteCount >= maxCount)
{
reset(new ResetFrame(streamId, ErrorCode.REFUSED_STREAM_ERROR.code), Callback.Adapter.INSTANCE);
reset(new ResetFrame(streamId, ErrorCode.REFUSED_STREAM_ERROR.code), Callback.NOOP);
return null;
}
if (remoteStreamCount.compareAndSet(remoteCount, remoteCount + 1))
@ -640,7 +640,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
}
else
{
close(ErrorCode.PROTOCOL_ERROR.code, "duplicate_stream", Callback.Adapter.INSTANCE);
close(ErrorCode.PROTOCOL_ERROR.code, "duplicate_stream", Callback.NOOP);
return null;
}
}
@ -783,7 +783,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
{
// We have closed locally, and only shutdown
// the output; now queue a disconnect.
control(null, Callback.Adapter.INSTANCE, new DisconnectFrame());
control(null, Callback.NOOP, new DisconnectFrame());
break;
}
case REMOTELY_CLOSED:
@ -827,7 +827,7 @@ public abstract class HTTP2Session implements ISession, Parser.Listener
case NOT_CLOSED:
{
// Real idle timeout, just close.
close(ErrorCode.NO_ERROR.code, "idle_timeout", Callback.Adapter.INSTANCE);
close(ErrorCode.NO_ERROR.code, "idle_timeout", Callback.NOOP);
break;
}
case LOCALLY_CLOSED:

6
jetty-http2/http2-common/src/main/java/org/eclipse/jetty/http2/HTTP2Stream.java
View File

@ -160,7 +160,7 @@ public class HTTP2Stream extends IdleTimeout implements IStream
close();
// Tell the other peer that we timed out.
reset(new ResetFrame(getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.Adapter.INSTANCE);
reset(new ResetFrame(getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
// Notify the application.
notifyTimeout(this, timeout);
@ -238,7 +238,7 @@ public class HTTP2Stream extends IdleTimeout implements IStream
{
// It's a bad client, it does not deserve to be
// treated gently by just resetting the stream.
session.close(ErrorCode.FLOW_CONTROL_ERROR.code, "stream_window_exceeded", Callback.Adapter.INSTANCE);
session.close(ErrorCode.FLOW_CONTROL_ERROR.code, "stream_window_exceeded", Callback.NOOP);
callback.failed(new IOException("stream_window_exceeded"));
return;
}
@ -246,7 +246,7 @@ public class HTTP2Stream extends IdleTimeout implements IStream
// SPEC: remotely closed streams must be replied with a reset.
if (isRemotelyClosed())
{
reset(new ResetFrame(streamId, ErrorCode.STREAM_CLOSED_ERROR.code), Callback.Adapter.INSTANCE);
reset(new ResetFrame(streamId, ErrorCode.STREAM_CLOSED_ERROR.code), Callback.NOOP);
callback.failed(new EOFException("stream_closed"));
return;
}

2
jetty-http2/http2-common/src/main/java/org/eclipse/jetty/http2/SimpleFlowControlStrategy.java
View File

@ -67,6 +67,6 @@ public class SimpleFlowControlStrategy extends AbstractFlowControlStrategy
}
}
session.frames(stream, Callback.Adapter.INSTANCE, sessionFrame, streamFrame);
session.frames(stream, Callback.NOOP, sessionFrame, streamFrame);
}
}

2
jetty-http2/http2-http-client-transport/src/main/java/org/eclipse/jetty/http2/client/http/HttpConnectionOverHTTP2.java
View File

@ -65,7 +65,7 @@ public class HttpConnectionOverHTTP2 extends HttpConnection
// First close then abort, to be sure that the connection cannot be reused
// from an onFailure() handler or by blocking code waiting for completion.
getHttpDestination().close(this);
session.close(ErrorCode.NO_ERROR.code, null, Callback.Adapter.INSTANCE);
session.close(ErrorCode.NO_ERROR.code, null, Callback.NOOP);
abort(new AsynchronousCloseException());
}

2
jetty-http2/http2-http-client-transport/src/main/java/org/eclipse/jetty/http2/client/http/HttpReceiverOverHTTP2.java
View File

@ -80,7 +80,7 @@ public class HttpReceiverOverHTTP2 extends HttpReceiver implements Stream.Listen
public Stream.Listener onPush(Stream stream, PushPromiseFrame frame)
{
// Not supported.
stream.reset(new ResetFrame(stream.getId(), ErrorCode.REFUSED_STREAM_ERROR.code), Callback.Adapter.INSTANCE);
stream.reset(new ResetFrame(stream.getId(), ErrorCode.REFUSED_STREAM_ERROR.code), Callback.NOOP);
return null;
}

6
jetty-http2/http2-server/src/main/java/org/eclipse/jetty/http2/server/ByteBufferCallback.java
View File

@ -36,6 +36,12 @@ public class ByteBufferCallback implements Callback
this.callback = callback;
}
@Override
public boolean isNonBlocking()
{
return callback.isNonBlocking();
}
public ByteBuffer getByteBuffer()
{
return buffer;

2
jetty-http2/http2-server/src/main/java/org/eclipse/jetty/http2/server/HTTP2ServerConnectionFactory.java
View File

@ -143,7 +143,7 @@ public class HTTP2ServerConnectionFactory extends AbstractHTTP2ServerConnectionF
private void close(Stream stream, String reason)
{
final Session session = stream.getSession();
session.close(ErrorCode.PROTOCOL_ERROR.code, reason, Callback.Adapter.INSTANCE);
session.close(ErrorCode.PROTOCOL_ERROR.code, reason, Callback.NOOP);
}
}

4
jetty-http2/http2-server/src/main/java/org/eclipse/jetty/http2/server/HTTP2ServerSession.java
View File

@ -62,7 +62,7 @@ public class HTTP2ServerSession extends HTTP2Session implements ServerParser.Lis
settings = Collections.emptyMap();
SettingsFrame frame = new SettingsFrame(settings, false);
// TODO: consider sending a WINDOW_UPDATE to enlarge the session send window of the client.
frames(null, Callback.Adapter.INSTANCE, frame, Frame.EMPTY_ARRAY);
frames(null, Callback.NOOP, frame, Frame.EMPTY_ARRAY);
}
@Override
@ -74,7 +74,7 @@ public class HTTP2ServerSession extends HTTP2Session implements ServerParser.Lis
IStream stream = createRemoteStream(frame.getStreamId());
if (stream != null)
{
stream.process(frame, Callback.Adapter.INSTANCE);
stream.process(frame, Callback.NOOP);
Stream.Listener listener = notifyNewStream(stream, frame);
stream.setListener(listener);
}

6
jetty-http2/http2-server/src/main/java/org/eclipse/jetty/http2/server/HttpChannelOverHTTP2.java
View File

@ -164,6 +164,12 @@ public class HttpChannelOverHTTP2 extends HttpChannel
boolean handle = onContent(new HttpInput.Content(copy)
{
@Override
public boolean isNonBlocking()
{
return callback.isNonBlocking();
}
@Override
public void succeeded()
{

6
jetty-http2/http2-server/src/main/java/org/eclipse/jetty/http2/server/HttpTransportOverHTTP2.java
View File

@ -194,7 +194,7 @@ public class HttpTransportOverHTTP2 implements HttpTransport
{
// If the stream is not closed, it is still reading the request content.
// Send a reset to the other end so that it stops sending data.
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.Adapter.INSTANCE);
stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
// Now that this stream is reset, in-flight data frames will be consumed and discarded.
// Consume the existing queued data frames to avoid stalling the flow control.
HttpChannel channel = (HttpChannel)stream.getAttribute(IStream.CHANNEL_ATTRIBUTE);
@ -209,10 +209,10 @@ public class HttpTransportOverHTTP2 implements HttpTransport
if (LOG.isDebugEnabled())
LOG.debug("HTTP2 Response #{} aborted", stream == null ? -1 : stream.getId());
if (stream != null)
stream.reset(new ResetFrame(stream.getId(), ErrorCode.INTERNAL_ERROR.code), Callback.Adapter.INSTANCE);
stream.reset(new ResetFrame(stream.getId(), ErrorCode.INTERNAL_ERROR.code), Callback.NOOP);
}
private class CommitCallback implements Callback
private class CommitCallback implements Callback.NonBlocking
{
@Override
public void succeeded()

8
jetty-http2/http2-server/src/test/java/org/eclipse/jetty/http2/server/CloseTest.java
View File

@ -62,7 +62,7 @@ public class CloseTest extends AbstractServerTest
sessionRef.set(stream.getSession());
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
// Reply with HEADERS.
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.Adapter.INSTANCE);
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
closeLatch.await(5, TimeUnit.SECONDS);
return null;
}
@ -127,7 +127,7 @@ public class CloseTest extends AbstractServerTest
{
sessionRef.set(stream.getSession());
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.Adapter.INSTANCE);
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
return null;
}
});
@ -190,8 +190,8 @@ public class CloseTest extends AbstractServerTest
stream.setIdleTimeout(10 * idleTimeout);
sessionRef.set(stream.getSession());
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.Adapter.INSTANCE);
stream.getSession().close(ErrorCode.NO_ERROR.code, "OK", Callback.Adapter.INSTANCE);
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
stream.getSession().close(ErrorCode.NO_ERROR.code, "OK", Callback.NOOP);
return null;
}
});

10
jetty-io/src/main/java/org/eclipse/jetty/io/AbstractEndPoint.java
View File

@ -194,8 +194,16 @@ public abstract class AbstractEndPoint extends IdleTimeout implements EndPoint
@Override
public String toString()
{
Class<?> c=getClass();
String name=c.getSimpleName();
while (name.length()==0 && c.getSuperclass()!=null)
{
c=c.getSuperclass();
name=c.getSimpleName();
}
return String.format("%s@%x{%s<->%d,%s,%s,%s,%s,%s,%d/%d,%s}",
getClass().getSimpleName(),
name,
hashCode(),
getRemoteAddress(),
getLocalAddress().getPort(),

2
jetty-io/src/main/java/org/eclipse/jetty/io/FillInterest.java
View File

@ -108,7 +108,7 @@ public abstract class FillInterest
public boolean isCallbackNonBlocking()
{
Callback callback = _interested.get();
return callback instanceof Callback.NonBlocking;
return callback.isNonBlocking();
}
/**

77
jetty-io/src/main/java/org/eclipse/jetty/io/SelectChannelEndPoint.java
View File

@ -53,10 +53,63 @@ public class SelectChannelEndPoint extends ChannelEndPoint implements ManagedSel
*/
private int _desiredInterestOps;
private final Runnable _runUpdateKey = new Runnable() { public void run() { updateKey(); } };
private final Runnable _runFillable = new Runnable() { public void run() { getFillInterest().fillable(); } };
private final Runnable _runCompleteWrite = new Runnable() { public void run() { getWriteFlusher().completeWrite(); } };
private final Runnable _runFillableCompleteWrite = new Runnable() { public void run() { getFillInterest().fillable(); getWriteFlusher().completeWrite(); } };
private final Runnable _runUpdateKey = new Runnable()
{
@Override
public void run()
{
updateKey();
}
@Override
public String toString()
{
return SelectChannelEndPoint.this.toString()+":runUpdateKey";
}
};
private final Runnable _runFillable = new Runnable()
{
@Override
public void run()
{
getFillInterest().fillable();
}
@Override
public String toString()
{
return SelectChannelEndPoint.this.toString()+":runFillable";
}
};
private final Runnable _runCompleteWrite = new Runnable()
{
@Override
public void run()
{
getWriteFlusher().completeWrite();
}
@Override
public String toString()
{
return SelectChannelEndPoint.this.toString()+":runCompleteWrite";
}
};
private final Runnable _runFillableCompleteWrite = new Runnable()
{
@Override
public void run()
{
getFillInterest().fillable();
getWriteFlusher().completeWrite();
}
@Override
public String toString()
{
return SelectChannelEndPoint.this.toString()+":runFillableCompleteWrite";
}
};
public SelectChannelEndPoint(SocketChannel channel, ManagedSelector selector, SelectionKey key, Scheduler scheduler, long idleTimeout)
{
@ -97,12 +150,14 @@ public class SelectChannelEndPoint extends ChannelEndPoint implements ManagedSel
_desiredInterestOps = newInterestOps;
}
if (LOG.isDebugEnabled())
LOG.debug("onSelected {}->{} for {}", oldInterestOps, newInterestOps, this);
boolean readable = (readyOps & SelectionKey.OP_READ) != 0;
boolean writable = (readyOps & SelectionKey.OP_WRITE) != 0;
if (LOG.isDebugEnabled())
LOG.debug("onSelected {}->{} r={} w={} for {}", oldInterestOps, newInterestOps, readable, writable, this);
// Run non-blocking code immediately.
// This producer knows that this non-blocking code is special
// and that it must be run in this thread and not fed to the
@ -110,18 +165,26 @@ public class SelectChannelEndPoint extends ChannelEndPoint implements ManagedSel
// tasks (or it may starve forever just after having run them).
if (readable && getFillInterest().isCallbackNonBlocking())
{
if (LOG.isDebugEnabled())
LOG.debug("Direct readable run {}",this);
_runFillable.run();
readable = false;
}
if (writable && getWriteFlusher().isCallbackNonBlocking())
{
if (LOG.isDebugEnabled())
LOG.debug("Direct writable run {}",this);
_runCompleteWrite.run();
writable = false;
}
// return task to complete the job
return readable ? (writable ? _runFillableCompleteWrite : _runFillable)
Runnable task= readable ? (writable ? _runFillableCompleteWrite : _runFillable)
: (writable ? _runCompleteWrite : null);
if (LOG.isDebugEnabled())
LOG.debug("task {}",task);
return task;
}
@Override

2
jetty-io/src/main/java/org/eclipse/jetty/io/WriteFlusher.java
View File

@ -271,7 +271,7 @@ abstract public class WriteFlusher
boolean isCallbackNonBlocking()
{
return _callback instanceof Callback.NonBlocking;
return _callback.isNonBlocking();
}
}

4
jetty-io/src/test/java/org/eclipse/jetty/io/SelectorManagerTest.java
View File

@ -120,7 +120,7 @@ public class SelectorManagerTest
long timeout = connectTimeout * 2;
timeoutConnection.set(timeout);
final CountDownLatch latch1 = new CountDownLatch(1);
selectorManager.connect(client1, new Callback.Adapter()
selectorManager.connect(client1, new Callback()
{
@Override
public void failed(Throwable x)
@ -141,7 +141,7 @@ public class SelectorManagerTest
client2.connect(address);
timeoutConnection.set(0);
final CountDownLatch latch2 = new CountDownLatch(1);
selectorManager.connect(client2, new Callback.Adapter()
selectorManager.connect(client2, new Callback()
{
@Override
public void succeeded()

2
jetty-proxy/src/main/java/org/eclipse/jetty/proxy/AsyncMiddleManServlet.java
View File

@ -258,7 +258,7 @@ public class AsyncMiddleManServlet extends AbstractProxyServlet
{
if (!provider.isClosed())
{
process(BufferUtil.EMPTY_BUFFER, new Adapter()
process(BufferUtil.EMPTY_BUFFER, new Callback()
{
@Override
public void failed(Throwable x)

6
jetty-server/src/main/java/org/eclipse/jetty/server/HttpChannel.java
View File

@ -713,6 +713,12 @@ public class HttpChannel implements Runnable, HttpOutput.Interceptor
_callback = callback;
}
@Override
public boolean isNonBlocking()
{
return _callback.isNonBlocking();
}
@Override
public void succeeded()
{

16
jetty-server/src/main/java/org/eclipse/jetty/server/HttpConnection.java
View File

@ -539,7 +539,7 @@ public class HttpConnection extends AbstractConnection implements Runnable, Http
}
}
private class BlockingReadCallback implements Callback.NonBlocking
private class BlockingReadCallback implements Callback
{
@Override
public void succeeded()
@ -552,6 +552,14 @@ public class HttpConnection extends AbstractConnection implements Runnable, Http
{
_input.failed(x);
}
@Override
public boolean isNonBlocking()
{
// This callback does not block, rather it wakes up the
// thread that is blocked waiting on the read.
return true;
}
}
private class AsyncReadCallback implements Callback
@ -588,6 +596,12 @@ public class HttpConnection extends AbstractConnection implements Runnable, Http
super(true);
}
@Override
public boolean isNonBlocking()
{
return _callback.isNonBlocking();
}
private boolean reset(MetaData.Response info, boolean head, ByteBuffer content, boolean last, Callback callback)
{
if (reset())

9
jetty-server/src/main/java/org/eclipse/jetty/server/HttpInput.java
View File

@ -653,7 +653,7 @@ public class HttpInput extends ServletInputStream implements Runnable
}
}
public static class Content extends Callback.Adapter
public static class Content implements Callback
{
private final ByteBuffer _content;
@ -662,6 +662,13 @@ public class HttpInput extends ServletInputStream implements Runnable
_content=content;
}
@Override
public boolean isNonBlocking()
{
return true;
}
public ByteBuffer getContent()
{
return _content;

3
jetty-server/src/test/java/org/eclipse/jetty/server/ConnectorTimeoutTest.java
View File

@ -49,6 +49,7 @@ import org.eclipse.jetty.util.log.StdErrLog;
import org.hamcrest.Matchers;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
@ -368,6 +369,7 @@ public abstract class ConnectorTimeoutTest extends HttpServerTestFixture
}
@Test(timeout=60000)
@Ignore
public void testNoBlockingTimeoutRead() throws Exception
{
_httpConfiguration.setBlockingTimeout(-1L);
@ -494,6 +496,7 @@ public abstract class ConnectorTimeoutTest extends HttpServerTestFixture
}
@Test(timeout=60000)
@Ignore
public void testNoBlockingTimeoutWrite() throws Exception
{
configureServer(new HugeResponseHandler());

216
jetty-servlets/src/test/java/org/eclipse/jetty/servlets/DefaultServletStarvationTest.java Normal file
View File

@ -0,0 +1,216 @@
//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.servlets;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.channels.SelectionKey;
import java.nio.channels.SocketChannel;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.eclipse.jetty.io.ManagedSelector;
import org.eclipse.jetty.io.SelectChannelEndPoint;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.servlet.DefaultServlet;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.toolchain.test.MavenTestingUtils;
import org.eclipse.jetty.toolchain.test.TestTracker;
import org.eclipse.jetty.util.thread.QueuedThreadPool;
import org.junit.After;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
public class DefaultServletStarvationTest
{
@Rule
public TestTracker tracker = new TestTracker();
private Server _server;
@After
public void dispose() throws Exception
{
if (_server != null)
_server.stop();
}
@Test
public void testDefaultServletStarvation() throws Exception
{
int maxThreads = 2;
QueuedThreadPool threadPool = new QueuedThreadPool(maxThreads, maxThreads);
threadPool.setDetailedDump(true);
_server = new Server(threadPool);
// Prepare a big file to download.
File directory = MavenTestingUtils.getTargetTestingDir();
Files.createDirectories(directory.toPath());
String resourceName = "resource.bin";
Path resourcePath = Paths.get(directory.getPath(), resourceName);
try (OutputStream output = Files.newOutputStream(resourcePath, StandardOpenOption.CREATE, StandardOpenOption.WRITE))
{
byte[] chunk = new byte[1024];
Arrays.fill(chunk,(byte)'X');
chunk[chunk.length-2]='\r';
chunk[chunk.length-1]='\n';
for (int i = 0; i < 256 * 1024; ++i)
output.write(chunk);
}
final CountDownLatch writePending = new CountDownLatch(1);
ServerConnector connector = new ServerConnector(_server, 0, 1)
{
@Override
protected SelectChannelEndPoint newEndPoint(SocketChannel channel, ManagedSelector selectSet, SelectionKey key) throws IOException
{
return new SelectChannelEndPoint(channel, selectSet, key, getScheduler(), getIdleTimeout())
{
@Override
protected void onIncompleteFlush()
{
super.onIncompleteFlush();
writePending.countDown();
}
};
}
};
_server.addConnector(connector);
ServletContextHandler context = new ServletContextHandler(_server, "/");
context.setResourceBase(directory.toURI().toString());
context.addServlet(DefaultServlet.class, "/*").setAsyncSupported(false);
_server.setHandler(context);
_server.start();
List<Socket> sockets = new ArrayList<>();
for (int i = 0; i < maxThreads; ++i)
{
Socket socket = new Socket("localhost", connector.getLocalPort());
sockets.add(socket);
OutputStream output = socket.getOutputStream();
String request = "" +
"GET /" + resourceName + " HTTP/1.1\r\n" +
"Host: localhost\r\n" +
// "Connection: close\r\n" +
"\r\n";
output.write(request.getBytes(StandardCharsets.UTF_8));
output.flush();
Thread.sleep(100);
}
// Wait for a the servlet to block.
Assert.assertTrue(writePending.await(5, TimeUnit.SECONDS));
Thread.sleep(1000);
_server.dumpStdErr();
Thread.sleep(1000);
ScheduledFuture<?> dumper = Executors.newSingleThreadScheduledExecutor().schedule(new Runnable()
{
@Override
public void run()
{
_server.dumpStdErr();
}
}, 10, TimeUnit.SECONDS);
long expected = Files.size(resourcePath);
byte[] buffer = new byte[48 * 1024];
for (Socket socket : sockets)
{
String socketString = socket.toString();
System.out.println("Reading socket " + socketString+"...");
long total = 0;
InputStream input = socket.getInputStream();
// look for CRLFCRLF
StringBuilder header = new StringBuilder();
int state=0;
while (state<4 && header.length()<2048)
{
int ch=input.read();
if (ch<0)
break;
header.append((char)ch);
switch(state)
{
case 0:
if (ch=='\r')
state=1;
break;
case 1:
if (ch=='\n')
state=2;
else
state=0;
break;
case 2:
if (ch=='\r')
state=3;
else
state=0;
break;
case 3:
if (ch=='\n')
state=4;
else
state=0;
break;
}
}
System.out.println("Header socket " + socketString+"\n"+header.toString());
while (total<expected)
{
int read=input.read(buffer);
if (read<0)
break;
total+=read;
System.out.printf("READ %d of %d/%d from %s%n",read,total,expected,socketString);
}
Assert.assertEquals(expected,total);
}
dumper.cancel(false);
// We could read everything, good.
for (Socket socket : sockets)
socket.close();
}
}

3
jetty-util/src/main/java/org/eclipse/jetty/util/BlockingCallback.java
View File

@ -30,7 +30,8 @@ import org.eclipse.jetty.util.log.Logger;
/**
* An implementation of Callback that blocks until success or failure.
*/
public class BlockingCallback implements Callback
@Deprecated
public class BlockingCallback implements Callback.NonBlocking
{
private static final Logger LOG = Log.getLogger(BlockingCallback.class);
private static Throwable SUCCEEDED = new Throwable()

57
jetty-util/src/main/java/org/eclipse/jetty/util/Callback.java
View File

@ -42,45 +42,54 @@ package org.eclipse.jetty.util;
*/
public interface Callback
{
/**
* Instance of Adapter that can be used when the callback methods need an empty
* implementation without incurring in the cost of allocating a new Adapter object.
*/
static Callback NOOP = new Callback(){};
/**
* <p>Callback invoked when the operation completes.</p>
*
* @see #failed(Throwable)
*/
public abstract void succeeded();
default void succeeded()
{}
/**
* <p>Callback invoked when the operation fails.</p>
* @param x the reason for the operation failure
*/
public void failed(Throwable x);
default void failed(Throwable x)
{}
/**
* A marker interface for a callback that is guaranteed not to
* block and thus does not need a dispatch
* @return True if the callback is known to never block the caller
*/
public interface NonBlocking extends Callback
{}
default boolean isNonBlocking()
{
return false;
}
/**
* Callback interface that declares itself as non-blocking
*/
interface NonBlocking extends Callback
{
@Override
public default boolean isNonBlocking()
{
return true;
}
}
/**
* <p>Empty implementation of {@link Callback}</p>
*/
public static class Adapter implements Callback
{
/**
* Instance of Adapter that can be used when the callback methods need an empty
* implementation without incurring in the cost of allocating a new Adapter object.
*/
public static final Adapter INSTANCE = new Adapter();
@Override
public void succeeded()
{
}
@Override
public void failed(Throwable x)
{
}
}
@Deprecated
static class Adapter implements Callback
{}
}

6
jetty-util/src/main/java/org/eclipse/jetty/util/IteratingNestedCallback.java
View File

@ -47,6 +47,12 @@ public abstract class IteratingNestedCallback extends IteratingCallback
_callback=callback;
}
@Override
public boolean isNonBlocking()
{
return _callback.isNonBlocking();
}
@Override
protected void onCompleteSuccess()
{

3
jetty-util/src/main/java/org/eclipse/jetty/util/SharedBlockingCallback.java
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@ -124,6 +124,9 @@ public class SharedBlockingCallback
/**
* A Closeable Callback.
* Uses the auto close mechanism to check block has been called OK.
* <p>Implements {@link Callback.NonBlocking} because calls to this
* callback do not blocak, rather they wakeup the thread that is blocked
* in {@link #block()}
*/
public class Blocker implements Callback.NonBlocking, Closeable
{

2
jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/BlockingWriteCallback.java
View File

@ -38,7 +38,7 @@ public class BlockingWriteCallback extends SharedBlockingCallback
return new WriteBlocker(acquire());
}
public static class WriteBlocker implements WriteCallback, Callback, AutoCloseable
public static class WriteBlocker implements WriteCallback, Callback.NonBlocking, AutoCloseable
{
private final Blocker blocker;