Merge pull request #7088 from eclipse/jetty-10.0.x-7086-WebSocketMessageSinks

Issue #7086 - fix issues when calling websocket demand
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Lachlan 2021-11-16 16:32:27 +11:00 committed by GitHub
commit 6bfab6efb6
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5 changed files with 301 additions and 16 deletions

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@ -422,10 +422,6 @@ public class WebSocketCoreSession implements IncomingFrames, CoreSession, Dumpab
{
if (!demanding)
throw new IllegalStateException("FrameHandler is not demanding: " + this);
if (!sessionState.isInputOpen())
throw new IllegalStateException("FrameHandler input not open: " + this);
connection.demand(n);
}

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@ -0,0 +1,148 @@
//
// ========================================================================
// Copyright (c) 1995-2021 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.websocket.core;
import java.net.URI;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.util.FutureCallback;
import org.eclipse.jetty.websocket.core.client.WebSocketCoreClient;
import org.eclipse.jetty.websocket.core.server.WebSocketNegotiator;
import org.eclipse.jetty.websocket.core.server.WebSocketUpgradeHandler;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class DemandTest
{
Server _server;
ServerConnector _connector;
WebSocketCoreClient _client;
@BeforeEach
public void before() throws Exception
{
_server = new Server();
_connector = new ServerConnector(_server);
_server.addConnector(_connector);
WebSocketUpgradeHandler upgradeHandler = new WebSocketUpgradeHandler();
_server.setHandler(upgradeHandler);
upgradeHandler.addMapping("/", WebSocketNegotiator.from((neg) -> new EchoFrameHandler()));
_server.start();
_client = new WebSocketCoreClient();
_client.start();
}
@AfterEach
public void after() throws Exception
{
_client.stop();
_server.stop();
}
public static class AbstractFrameHandler implements FrameHandler
{
protected CoreSession _coreSession;
@Override
public void onOpen(CoreSession coreSession, Callback callback)
{
_coreSession = coreSession;
callback.succeeded();
coreSession.demand(1);
}
@Override
public void onFrame(Frame frame, Callback callback)
{
callback.succeeded();
_coreSession.demand(1);
}
@Override
public void onError(Throwable cause, Callback callback)
{
callback.succeeded();
_coreSession.demand(1);
}
@Override
public void onClosed(CloseStatus closeStatus, Callback callback)
{
callback.succeeded();
}
@Override
public boolean isDemanding()
{
return true;
}
}
@Test
public void testDemandAfterClose() throws Exception
{
CountDownLatch closed = new CountDownLatch(1);
CompletableFuture<Throwable> errorFuture = new CompletableFuture<>();
AbstractFrameHandler frameHandler = new AbstractFrameHandler()
{
@Override
public void onFrame(Frame frame, Callback callback)
{
try
{
// Fail the core session so it is completely closed.
FutureCallback futureCallback = new FutureCallback();
_coreSession.close(CloseStatus.BAD_PAYLOAD, "bad data", futureCallback);
futureCallback.block();
_coreSession.abort();
// Demand should not throw even if closed.
_coreSession.demand(1);
errorFuture.complete(null);
}
catch (Throwable t)
{
errorFuture.complete(t);
}
}
@Override
public void onClosed(CloseStatus closeStatus, Callback callback)
{
super.onClosed(closeStatus, callback);
closed.countDown();
}
};
URI uri = URI.create("ws://localhost:" + _connector.getLocalPort());
CoreSession coreSession = _client.connect(frameHandler, uri).get(5, TimeUnit.SECONDS);
coreSession.sendFrame(new Frame(OpCode.TEXT, "hello world"), Callback.NOOP, false);
assertTrue(closed.await(5, TimeUnit.SECONDS));
// There should be no error from the frame handler.
Throwable error = errorFuture.get(5, TimeUnit.SECONDS);
assertNull(error);
}
}

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@ -33,7 +33,8 @@ import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
@ -157,22 +158,22 @@ public class WebSocketOpenTest extends WebSocketTester
Parser.ParsedFrame frame = receiveFrame(client.getInputStream());
assertThat(frame.getPayloadAsUTF8(), is("Hello"));
// But cannot receive
client.getOutputStream().write(RawFrameBuilder.buildClose(new CloseStatus(CloseStatus.NORMAL), true));
assertFalse(serverHandler.closeLatch.await(1, TimeUnit.SECONDS));
// Can't demand until open
assertThrows(Throwable.class, () -> coreSession.demand(1));
client.getOutputStream().write(RawFrameBuilder.buildClose(new CloseStatus(CloseStatus.NORMAL), true));
assertFalse(serverHandler.closeLatch.await(1, TimeUnit.SECONDS));
// Succeeded moves to OPEN state and still does not read CLOSE frame
// Succeeded moves to OPEN state.
onOpenCallback.succeeded();
assertThat(coreSession.toString(), containsString("OPEN"));
// Demand start receiving frames
// Demanding in onOpen will allow you to receive frames.
client.getOutputStream().write(RawFrameBuilder.buildFrame(OpCode.TEXT, "message in onOpen", true));
assertNull(serverHandler.receivedFrames.poll(1, TimeUnit.SECONDS));
coreSession.demand(1);
Frame rcvFrame = serverHandler.receivedFrames.poll(5, TimeUnit.SECONDS);
assertNotNull(rcvFrame);
assertThat(rcvFrame.getPayloadAsUTF8(), is("message in onOpen"));
// Demand to receive the close frame.
client.getOutputStream().write(RawFrameBuilder.buildClose(new CloseStatus(CloseStatus.NORMAL), true));
assertFalse(serverHandler.closeLatch.await(1, TimeUnit.SECONDS));
coreSession.demand(1);
assertTrue(serverHandler.closeLatch.await(5, TimeUnit.SECONDS));
// Closed handled normally

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@ -584,6 +584,7 @@ public class JavaxWebSocketFrameHandler implements FrameHandler
if (activeMessageSink == null)
{
callback.succeeded();
coreSession.demand(1);
return;
}

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@ -0,0 +1,139 @@
//
// ========================================================================
// Copyright (c) 1995-2021 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.websocket.javax.tests;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import javax.websocket.OnMessage;
import javax.websocket.Session;
import javax.websocket.server.ServerEndpoint;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.util.BufferUtil;
import org.eclipse.jetty.websocket.javax.client.internal.JavaxWebSocketClientContainer;
import org.eclipse.jetty.websocket.javax.server.config.JavaxWebSocketServletContainerInitializer;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class SingleMessageHandlerTest
{
private static final LinkedBlockingQueue<ByteBuffer> BINARY_MESSAGES = new LinkedBlockingQueue<>();
private static final LinkedBlockingQueue<String> TEXT_MESSAGES = new LinkedBlockingQueue<>();
private Server _server;
private ServerConnector _connector;
private JavaxWebSocketClientContainer _client;
@BeforeEach
public void before() throws Exception
{
_server = new Server();
_connector = new ServerConnector(_server);
_server.addConnector(_connector);
ServletContextHandler contextHandler = new ServletContextHandler();
JavaxWebSocketServletContainerInitializer.configure(contextHandler, ((servletContext, serverContainer) ->
{
serverContainer.addEndpoint(TextEndpoint.class);
serverContainer.addEndpoint(BinaryEndpoint.class);
}));
_server.setHandler(contextHandler);
_server.start();
_client = new JavaxWebSocketClientContainer();
_client.start();
}
@ServerEndpoint("/binary")
public static class BinaryEndpoint
{
@OnMessage
public void onMessage(ByteBuffer message)
{
BINARY_MESSAGES.add(message);
}
}
@ServerEndpoint("/text")
public static class TextEndpoint
{
@OnMessage
public void onMessage(String message)
{
TEXT_MESSAGES.add(message);
}
}
@AfterEach
public void after() throws Exception
{
_client.stop();
_server.stop();
}
@Test
public void testBinary() throws Exception
{
URI uri = URI.create("ws://localhost:" + _connector.getLocalPort() + "/binary");
EventSocket eventSocket = new EventSocket();
Session session = _client.connectToServer(eventSocket, uri);
// Can send/receive binary message successfully.
ByteBuffer binaryMessage = BufferUtil.toBuffer("hello world");
session.getBasicRemote().sendBinary(binaryMessage);
assertThat(BINARY_MESSAGES.poll(5, TimeUnit.SECONDS), equalTo(binaryMessage));
// Text message is discarded by implementation.
session.getBasicRemote().sendText("hello world");
// Next binary message is still received.
session.getBasicRemote().sendBinary(binaryMessage);
assertThat(BINARY_MESSAGES.poll(5, TimeUnit.SECONDS), equalTo(binaryMessage));
session.close();
assertTrue(eventSocket.closeLatch.await(5, TimeUnit.SECONDS));
}
@Test
public void testText() throws Exception
{
URI uri = URI.create("ws://localhost:" + _connector.getLocalPort() + "/text");
EventSocket eventSocket = new EventSocket();
Session session = _client.connectToServer(eventSocket, uri);
// Can send/receive text message successfully.
String textMessage = "hello world";
session.getBasicRemote().sendText(textMessage);
assertThat(TEXT_MESSAGES.poll(5, TimeUnit.SECONDS), equalTo(textMessage));
// Binary message is discarded by implementation.
session.getBasicRemote().sendBinary(BufferUtil.toBuffer("hello world"));
// Next text message is still received.
session.getBasicRemote().sendText(textMessage);
assertThat(TEXT_MESSAGES.poll(5, TimeUnit.SECONDS), equalTo(textMessage));
session.close();
assertTrue(eventSocket.closeLatch.await(5, TimeUnit.SECONDS));
}
}