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Merge pull request #3885 from eclipse/jetty-9.4.x-3884-websocket-fram…
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…e-listener

Issue #3884 - Pure WebSocketFrameListener should not process Continuation events
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joakime authored Aug 5, 2019
2 parents 4d2c981 + b8f2963 commit 69763a7
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package org.eclipse.jetty.websocket.tests;

import java.lang.reflect.Field;
import java.nio.ByteBuffer;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
Expand Down Expand Up @@ -51,6 +52,7 @@ public class CloseTrackingEndpoint extends WebSocketAdapter
public CountDownLatch errorLatch = new CountDownLatch(1);

public LinkedBlockingQueue<String> messageQueue = new LinkedBlockingQueue<>();
public LinkedBlockingQueue<ByteBuffer> binaryMessageQueue = new LinkedBlockingQueue<>();
public AtomicReference<Throwable> error = new AtomicReference<>();

public void assertReceivedCloseEvent(int clientTimeoutMs, Matcher<Integer> statusCodeMatcher)
Expand Down Expand Up @@ -110,6 +112,13 @@ public void onWebSocketText(String message)
messageQueue.offer(message);
}

@Override
public void onWebSocketBinary(byte[] payload, int offset, int len)
{
LOG.debug("onWebSocketBinary({},offset,len)", payload, offset, len);
binaryMessageQueue.offer(ByteBuffer.wrap(payload, offset, len));
}

public EndPoint getEndPoint() throws Exception
{
Session session = getSession();
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package org.eclipse.jetty.websocket.tests;

import java.io.IOException;
import java.nio.ByteBuffer;

import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
Expand All @@ -33,4 +34,10 @@ public void onMessage(Session session, String msg) throws IOException
{
session.getRemote().sendString(msg);
}

@OnWebSocketMessage
public void onBinaryMessage(Session session, byte[] data, int offset, int len) throws IOException
{
session.getRemote().sendBytes(ByteBuffer.wrap(data, offset, len));
}
}
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Expand Up @@ -21,6 +21,7 @@
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Collection;
import java.util.EnumSet;
Expand All @@ -33,6 +34,7 @@
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.util.StringUtil;
import org.eclipse.jetty.websocket.api.RemoteEndpoint;
import org.eclipse.jetty.websocket.api.Session;
Expand Down Expand Up @@ -171,6 +173,86 @@ public void testBasicEcho_FromClient() throws Exception
}
}

@Test
public void testBasicEcho_PartialUsage_FromClient() throws Exception
{
CloseTrackingEndpoint cliSock = new CloseTrackingEndpoint();

client.getPolicy().setIdleTimeout(10000);

URI wsUri = WSURI.toWebsocket(server.getURI().resolve("/echo"));
ClientUpgradeRequest request = new ClientUpgradeRequest();
request.setSubProtocols("echo");
Future<Session> future = client.connect(cliSock, wsUri, request);

try (Session sess = future.get(30, TimeUnit.SECONDS))
{
assertThat("Session", sess, notNullValue());
assertThat("Session.open", sess.isOpen(), is(true));
assertThat("Session.upgradeRequest", sess.getUpgradeRequest(), notNullValue());
assertThat("Session.upgradeResponse", sess.getUpgradeResponse(), notNullValue());

Collection<WebSocketSession> sessions = client.getOpenSessions();
assertThat("client.sessions.size", sessions.size(), is(1));

RemoteEndpoint remote = cliSock.getSession().getRemote();
remote.sendPartialString("Hello", false);
remote.sendPartialString(" ", false);
remote.sendPartialString("World", true);

// wait for response from server
String received = cliSock.messageQueue.poll(5, TimeUnit.SECONDS);
assertThat("Message", received, containsString("Hello World"));
}
}

@Test
public void testBasicEcho_PartialText_WithPartialBinary_FromClient() throws Exception
{
CloseTrackingEndpoint cliSock = new CloseTrackingEndpoint();

client.getPolicy().setIdleTimeout(10000);

URI wsUri = WSURI.toWebsocket(server.getURI().resolve("/echo"));
ClientUpgradeRequest request = new ClientUpgradeRequest();
request.setSubProtocols("echo");
Future<Session> future = client.connect(cliSock, wsUri, request);

try (Session sess = future.get(30, TimeUnit.SECONDS))
{
assertThat("Session", sess, notNullValue());
assertThat("Session.open", sess.isOpen(), is(true));
assertThat("Session.upgradeRequest", sess.getUpgradeRequest(), notNullValue());
assertThat("Session.upgradeResponse", sess.getUpgradeResponse(), notNullValue());

Collection<WebSocketSession> sessions = client.getOpenSessions();
assertThat("client.sessions.size", sessions.size(), is(1));

RemoteEndpoint remote = cliSock.getSession().getRemote();
remote.sendPartialString("Hello", false);
remote.sendPartialString(" ", false);
remote.sendPartialString("World", true);

String[] parts = {
"The difference between the right word ",
"and the almost right word is the difference ",
"between lightning and a lightning bug."
};

remote.sendPartialBytes(BufferUtil.toBuffer(parts[0]), false);
remote.sendPartialBytes(BufferUtil.toBuffer(parts[1]), false);
remote.sendPartialBytes(BufferUtil.toBuffer(parts[2]), true);

// wait for response from server
String received = cliSock.messageQueue.poll(5, TimeUnit.SECONDS);
assertThat("Message", received, containsString("Hello World"));

ByteBuffer bufReceived = cliSock.binaryMessageQueue.poll(5, TimeUnit.SECONDS);
received = BufferUtil.toUTF8String(bufReceived.slice());
assertThat("Message", received, containsString(parts[0] + parts[1] + parts[2]));
}
}

@Test
public void testBasicEcho_UsingCallback() throws Exception
{
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//
// ========================================================================
// 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.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.annotations.OnWebSocketClose;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketError;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketFrame;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
import org.eclipse.jetty.websocket.api.extensions.Frame;
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.OpCode;
import org.eclipse.jetty.websocket.common.WebSocketSession;
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 FrameAnnotationTest
{
private Server server;
private FrameCreator frameCreator;
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));
frameCreator = new FrameCreator();
factory.setCreator(frameCreator);
}
});
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);

FrameEndpoint serverEndpoint = frameCreator.frameEndpoint;

String event = serverEndpoint.frameEvents.poll(5, SECONDS);
assertThat("Event", event, is("FRAME[TEXT,fin=false,payload=hello,len=5]"));
event = serverEndpoint.frameEvents.poll(5, SECONDS);
assertThat("Event", event, is("FRAME[CONTINUATION,fin=false,payload= ,len=1]"));
event = serverEndpoint.frameEvents.poll(5, SECONDS);
assertThat("Event", event, is("FRAME[CONTINUATION,fin=true,payload=world,len=5]"));
}
finally
{
close(session);
}
}

public static class FrameCreator implements WebSocketCreator
{
public FrameEndpoint frameEndpoint;

@Override
public Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp)
{
frameEndpoint = new FrameEndpoint();
return frameEndpoint;
}
}

@WebSocket
public static class FrameEndpoint
{
public Session session;
public CountDownLatch closeLatch = new CountDownLatch(1);
public LinkedBlockingQueue<String> frameEvents = new LinkedBlockingQueue<>();

@OnWebSocketClose
public void onWebSocketClose(int statusCode, String reason)
{
closeLatch.countDown();
}

@OnWebSocketConnect
public void onWebSocketConnect(Session session)
{
this.session = session;
}

@OnWebSocketError
public void onWebSocketError(Throwable cause)
{
cause.printStackTrace(System.err);
}

@OnWebSocketFrame
public void onWebSocketFrame(Frame frame)
{
frameEvents.offer(String.format("FRAME[%s,fin=%b,payload=%s,len=%d]",
OpCode.name(frame.getOpCode()),
frame.isFin(),
BufferUtil.toUTF8String(frame.getPayload()),
frame.getPayloadLength()));
}
}
}
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