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Issue #3876 - WebSocket Partial Listener testcases and fix 

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>
This commit is contained in:
Joakim Erdfelt 2019-07-16 07:07:55 -05:00
parent 6f9495f5c1
commit ec9f4ef392
2 changed files with 312 additions and 10 deletions
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239
jetty-websocket/jetty-websocket-tests/src/test/java/org/eclipse/jetty/websocket/tests/server/PartialListenerTest.java Normal file
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@ -0,0 +1,239 @@
//
// ========================================================================
// Copyright (c) 1995-2019 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.websocket.tests.server;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingQueue;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.server.handler.DefaultHandler;
import org.eclipse.jetty.server.handler.HandlerList;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.util.BufferUtil;
import org.eclipse.jetty.util.log.StacklessLogging;
import org.eclipse.jetty.websocket.api.RemoteEndpoint;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.WebSocketPartialListener;
import org.eclipse.jetty.websocket.api.util.WSURI;
import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
import org.eclipse.jetty.websocket.client.WebSocketClient;
import org.eclipse.jetty.websocket.common.WebSocketSession;
import org.eclipse.jetty.websocket.common.util.TextUtil;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest;
import org.eclipse.jetty.websocket.servlet.ServletUpgradeResponse;
import org.eclipse.jetty.websocket.servlet.WebSocketCreator;
import org.eclipse.jetty.websocket.servlet.WebSocketServlet;
import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
import org.eclipse.jetty.websocket.tests.CloseTrackingEndpoint;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
public class PartialListenerTest
{
private Server server;
private PartialCreator partialCreator;
private WebSocketClient client;
@BeforeEach
public void startServer() throws Exception
{
server = new Server();
ServerConnector connector = new ServerConnector(server);
server.addConnector(connector);
ServletContextHandler context = new ServletContextHandler();
context.setContextPath("/");
ServletHolder closeEndpoint = new ServletHolder(new WebSocketServlet()
{
@Override
public void configure(WebSocketServletFactory factory)
{
factory.getPolicy().setIdleTimeout(SECONDS.toMillis(2));
partialCreator = new PartialCreator();
factory.setCreator(partialCreator);
}
});
context.addServlet(closeEndpoint, "/ws");
HandlerList handlers = new HandlerList();
handlers.addHandler(context);
handlers.addHandler(new DefaultHandler());
server.setHandler(handlers);
server.start();
}
@AfterEach
public void stopServer() throws Exception
{
server.stop();
}
@BeforeEach
public void startClient() throws Exception
{
client = new WebSocketClient();
client.start();
}
@AfterEach
public void stopClient() throws Exception
{
client.stop();
}
private void close(Session session)
{
if (session != null)
{
session.close();
}
}
@Test
public void testPartialText() throws Exception
{
ClientUpgradeRequest request = new ClientUpgradeRequest();
CloseTrackingEndpoint clientEndpoint = new CloseTrackingEndpoint();
URI wsUri = WSURI.toWebsocket(server.getURI().resolve("/ws"));
Future<Session> futSession = client.connect(clientEndpoint, wsUri, request);
Session session = null;
try (StacklessLogging ignore = new StacklessLogging(WebSocketSession.class))
{
session = futSession.get(5, SECONDS);
RemoteEndpoint clientRemote = session.getRemote();
clientRemote.sendPartialString("hello", false);
clientRemote.sendPartialString(" ", false);
clientRemote.sendPartialString("world", true);
PartialEndpoint serverEndpoint = partialCreator.partialEndpoint;
String event = serverEndpoint.partialEvents.poll(5, SECONDS);
assertThat("Event", event, is("TEXT[payload=hello, fin=false]"));
event = serverEndpoint.partialEvents.poll(5, SECONDS);
assertThat("Event", event, is("TEXT[payload= , fin=false]"));
event = serverEndpoint.partialEvents.poll(5, SECONDS);
assertThat("Event", event, is("TEXT[payload=world, fin=true]"));
}
finally
{
close(session);
}
}
@Test
public void testPartialBinary() throws Exception
{
ClientUpgradeRequest request = new ClientUpgradeRequest();
CloseTrackingEndpoint clientEndpoint = new CloseTrackingEndpoint();
URI wsUri = WSURI.toWebsocket(server.getURI().resolve("/ws"));
Future<Session> futSession = client.connect(clientEndpoint, wsUri, request);
Session session = null;
try (StacklessLogging ignore = new StacklessLogging(WebSocketSession.class))
{
session = futSession.get(5, SECONDS);
RemoteEndpoint clientRemote = session.getRemote();
clientRemote.sendPartialBytes(BufferUtil.toBuffer("hello"), false);
clientRemote.sendPartialBytes(BufferUtil.toBuffer(" "), false);
clientRemote.sendPartialBytes(BufferUtil.toBuffer("world"), true);
PartialEndpoint serverEndpoint = partialCreator.partialEndpoint;
String event = serverEndpoint.partialEvents.poll(5, SECONDS);
assertThat("Event", event, is("BINARY[payload=<<<hello>>>, fin=false]"));
event = serverEndpoint.partialEvents.poll(5, SECONDS);
assertThat("Event", event, is("BINARY[payload=<<< >>>, fin=false]"));
event = serverEndpoint.partialEvents.poll(5, SECONDS);
assertThat("Event", event, is("BINARY[payload=<<<world>>>, fin=true]"));
}
finally
{
close(session);
}
}
public static class PartialCreator implements WebSocketCreator
{
public PartialEndpoint partialEndpoint;
@Override
public Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp)
{
partialEndpoint = new PartialEndpoint();
return partialEndpoint;
}
}
public static class PartialEndpoint implements WebSocketPartialListener
{
public Session session;
public CountDownLatch closeLatch = new CountDownLatch(1);
public LinkedBlockingQueue<String> partialEvents = new LinkedBlockingQueue<>();
@Override
public void onWebSocketClose(int statusCode, String reason)
{
closeLatch.countDown();
}
@Override
public void onWebSocketConnect(Session session)
{
this.session = session;
}
@Override
public void onWebSocketError(Throwable cause)
{
cause.printStackTrace(System.err);
}
@Override
public void onWebSocketPartialBinary(ByteBuffer payload, boolean fin)
{
// our testcases always send bytes limited in the US-ASCII range.
partialEvents.offer(String.format("BINARY[payload=<<<%s>>>, fin=%b]", BufferUtil.toUTF8String(payload), fin));
}
@Override
public void onWebSocketPartialText(String payload, boolean fin)
{
partialEvents.offer(String.format("TEXT[payload=%s, fin=%b]", TextUtil.maxStringLength(30, payload), fin));
}
}
}

83
jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/events/JettyListenerEventDriver.java
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@ -23,6 +23,7 @@ import java.io.InputStream;
import java.io.Reader;
import java.nio.ByteBuffer;
import org.eclipse.jetty.util.Utf8StringBuilder;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.websocket.api.WebSocketConnectionListener;
@ -37,16 +38,21 @@ import org.eclipse.jetty.websocket.common.CloseInfo;
import org.eclipse.jetty.websocket.common.frames.ReadOnlyDelegatedFrame;
import org.eclipse.jetty.websocket.common.message.SimpleBinaryMessage;
import org.eclipse.jetty.websocket.common.message.SimpleTextMessage;
import org.eclipse.jetty.websocket.common.util.Utf8PartialBuilder;
/**
* Handler for {@link WebSocketListener} based User WebSocket implementations.
*/
public class JettyListenerEventDriver extends AbstractEventDriver
{
private enum PartialMode
{
NONE, TEXT, BINARY
}
private static final Logger LOG = Log.getLogger(JettyListenerEventDriver.class);
private final WebSocketConnectionListener listener;
private Utf8PartialBuilder utf8Partial;
private Utf8StringBuilder utf8Partial;
private PartialMode partialMode = PartialMode.NONE;
private boolean hasCloseBeenCalled = false;
public JettyListenerEventDriver(WebSocketPolicy policy, WebSocketConnectionListener listener)
@ -70,7 +76,22 @@ public class JettyListenerEventDriver extends AbstractEventDriver
if (listener instanceof WebSocketPartialListener)
{
((WebSocketPartialListener)listener).onWebSocketPartialBinary(buffer.slice().asReadOnlyBuffer(), fin);
switch (partialMode)
{
case NONE:
partialMode = PartialMode.BINARY;
// fallthru
case BINARY:
((WebSocketPartialListener)listener).onWebSocketPartialBinary(buffer.slice().asReadOnlyBuffer(), fin);
break;
case TEXT:
throw new IOException("Out of order binary frame encountered");
}
if (fin)
{
partialMode = PartialMode.NONE;
}
}
}
@ -160,18 +181,39 @@ public class JettyListenerEventDriver extends AbstractEventDriver
if (listener instanceof WebSocketPartialListener)
{
if (utf8Partial == null)
switch (partialMode)
{
utf8Partial = new Utf8PartialBuilder();
case NONE:
partialMode = PartialMode.TEXT;
// fallthru
case TEXT:
if (utf8Partial == null)
{
utf8Partial = new Utf8StringBuilder();
}
String partial = "";
if (buffer != null)
{
utf8Partial.append(buffer);
partial = utf8Partial.takePartialString();
}
((WebSocketPartialListener)listener).onWebSocketPartialText(partial, fin);
if (fin)
{
utf8Partial = null;
}
break;
case BINARY:
throw new IOException("Out of order text frame encountered");
}
String partial = utf8Partial.toPartialString(buffer);
((WebSocketPartialListener)listener).onWebSocketPartialText(partial, fin);
if (fin)
{
partial = null;
partialMode = PartialMode.NONE;
}
}
}
@ -190,6 +232,27 @@ public class JettyListenerEventDriver extends AbstractEventDriver
}
}
public void onContinuationFrame(ByteBuffer buffer, boolean fin) throws IOException
{
if (listener instanceof WebSocketPartialListener)
{
switch (partialMode)
{
case NONE:
throw new IOException("Out of order Continuation frame encountered");
case TEXT:
onTextFrame(buffer, fin);
break;
case BINARY:
onBinaryFrame(buffer, fin);
break;
}
return;
}
super.onContinuationFrame(buffer, fin);
}
@Override
public String toString()
{