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WSCServerSideServer.java
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/
WSCServerSideServer.java
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/*
* Copyright (c) 2013, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.ts.tests.websocket.ee.javax.websocket.remoteendpoint.async;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.concurrent.Future;
import javax.websocket.OnError;
import javax.websocket.OnMessage;
import javax.websocket.PongMessage;
import javax.websocket.RemoteEndpoint.Async;
import javax.websocket.SendResult;
import javax.websocket.Session;
import javax.websocket.server.ServerEndpoint;
import com.sun.ts.tests.websocket.common.impl.WaitingSendHandler;
import com.sun.ts.tests.websocket.common.stringbean.StringBean;
import com.sun.ts.tests.websocket.common.stringbean.StringBeanTextEncoder;
import com.sun.ts.tests.websocket.common.util.IOUtil;
@ServerEndpoint(value = "/server", encoders = { StringBeanTextEncoder.class })
public class WSCServerSideServer {
static final String[] RESPONSE = { "OK", "FAIL" };
static final long SECONDS = 10;
@OnMessage
public String onMessage(PongMessage pong) {
return IOUtil.byteBufferToString(pong.getApplicationData());
}
@OnMessage
public String onMessage(String msg, Session session) {
Async asyncRemote = session.getAsyncRemote();
OPS op = OPS.valueOf(msg.toUpperCase());
switch (op) {
case POKE:
// returns msg;
break;
case TIMEOUT:
msg = timeout(asyncRemote);
break;
case SENDBINARY:
msg = sendBinary(asyncRemote);
break;
case SENDBINARYTHROWS:
msg = sendBinaryThrows(asyncRemote);
break;
case SENDBINARYHANDLER:
msg = sendBinaryWithHandler(asyncRemote);
break;
case SENDBINARYHANDLERTHROWSONDATA:
msg = sendBinaryWithHandlerThrowsOnData(asyncRemote);
break;
case SENDBINARYHANDLERTHROWSONHANDLER:
msg = sendBinaryWithHandlerThrowsOnHandler(asyncRemote);
break;
case SENDOBJECT:
msg = sendObject(asyncRemote);
break;
case SENDOBJECT_BOOL:
msg = sendObject(asyncRemote, boolean.class);
break;
case SENDOBJECT_BYTE:
msg = sendObject(asyncRemote, byte.class);
break;
case SENDOBJECT_CHAR:
msg = sendObject(asyncRemote, char.class);
break;
case SENDOBJECT_DOUBLE:
msg = sendObject(asyncRemote, double.class);
break;
case SENDOBJECT_FLOAT:
msg = sendObject(asyncRemote, float.class);
break;
case SENDOBJECT_INT:
msg = sendObject(asyncRemote, int.class);
break;
case SENDOBJECT_LONG:
msg = sendObject(asyncRemote, long.class);
break;
case SENDOBJECT_SHORT:
msg = sendObject(asyncRemote, short.class);
break;
case SENDOBJECTTHROWS:
msg = sendObjectThrows(asyncRemote);
break;
case SENDOBJECTHANDLER:
msg = sendObjectWithHandler(asyncRemote);
break;
case SENDOBJECTHANDLERTHROWSONDATA:
msg = sendObjectWithHandlerThrowsOnData(asyncRemote);
break;
case SENDOBJECTHANDLERTHROWSONHANDLER:
msg = sendObjectWithHandlerThrowsOnHandler(asyncRemote);
break;
case SENDTEXT:
msg = sendText(asyncRemote);
break;
case SENDTEXTTHROWS:
msg = sendTextThrows(asyncRemote);
break;
case SENDTEXTHANDLER:
msg = sendTextWithHandler(asyncRemote);
break;
case SENDTEXTHANDLERTHROWSONDATA:
msg = sendTextWithHandlerThrowsOnData(asyncRemote);
break;
case SENDTEXTHANDLERTHROWSONHANDLER:
msg = sendTextWithHandlerThrowsOnHandler(asyncRemote);
break;
case BATCHING_ALLOWED:
msg = batchingAllowed(asyncRemote);
break;
case SEND_PING:
msg = sendPing(asyncRemote);
break;
case SEND_PING_THROWS:
msg = sendPingThrows(asyncRemote);
break;
case SEND_PONG:
msg = sendPong(asyncRemote);
break;
case SEND_PONG_THROWS:
msg = sendBinaryThrows(asyncRemote);
break;
case IDLE:
session.setMaxIdleTimeout(1500L);
break;
case PING_4_TIMES:
msg = sendPing4times(asyncRemote);
break;
case PONG_4_TIMES:
msg = sendPong4times(asyncRemote);
break;
default:
throw new IllegalArgumentException("Method " + msg + " not implemented");
}
return msg;
}
@OnError
public void onError(Session session, Throwable t) throws IOException {
System.out.println("@OnError in " + getClass().getName());
t.printStackTrace(); // Write to error log, too
String message = "Exception: " + IOUtil.printStackTrace(t);
session.getBasicRemote().sendText(message);
}
/**
* The setSendTimeout() method is not possible to be tested in terms of
* functionality, as there is unfortunately no way guarantee that the timeout
* would be reached regardless the websocket implementation
*/
protected static String timeout(Async asyncRemote) {
boolean set = true;
int timeout = 1;
asyncRemote.setSendTimeout(timeout);
set &= (timeout == asyncRemote.getSendTimeout());
timeout = 5;
asyncRemote.setSendTimeout(timeout);
set &= (timeout == asyncRemote.getSendTimeout());
return set ? RESPONSE[0] : RESPONSE[1];
}
/**
* Again, since the asynchronous thread sends message in virtually no time,
* one does not have any force to hold that send operation in its thread, to
* check the send operation is really unblocking and asynchronous
*
* @param asyncRemote
* @return
*/
protected static String sendBinary(Async asyncRemote) {
Future<Void> future = asyncRemote
.sendBinary(ByteBuffer.wrap(OPS.SENDBINARY.name().getBytes()));
try {
Void v = future.get();
return v == null ? RESPONSE[0] : RESPONSE[1];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendBinaryThrows(Async asyncRemote) {
try {
asyncRemote.sendBinary((ByteBuffer) null);
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendBinaryWithHandler(Async asyncRemote) {
WaitingSendHandler handler = new WaitingSendHandler();
asyncRemote.sendBinary(
ByteBuffer.wrap(OPS.SENDBINARYHANDLER.name().getBytes()), handler);
SendResult result = handler.waitForResult(SECONDS);
return result.isOK() ? RESPONSE[0] : RESPONSE[1];
}
protected static String sendBinaryWithHandlerThrowsOnData(Async asyncRemote) {
try {
asyncRemote.sendBinary((ByteBuffer) null, new WaitingSendHandler());
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendBinaryWithHandlerThrowsOnHandler(
Async asyncRemote) {
try {
asyncRemote.sendBinary(
ByteBuffer.wrap(OPS.SENDBINARYHANDLERTHROWSONDATA.name().getBytes()),
(WaitingSendHandler) null);
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendObject(Async asyncRemote) {
Future<Void> future = asyncRemote
.sendObject(new StringBean(OPS.SENDOBJECT.name()));
try {
Void v = future.get();
return v == null ? RESPONSE[0] : RESPONSE[1];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendObject(Async asyncRemote, Class<?> type) {
try {
Future<Void> future = null;
if (type == byte.class) {
byte b = -100;
future = asyncRemote.sendObject(b);
} else if (type == short.class) {
short s = -101;
future = asyncRemote.sendObject(s);
} else if (type == int.class) {
int i = -102;
future = asyncRemote.sendObject(i);
} else if (type == long.class) {
long l = -103L;
future = asyncRemote.sendObject(l);
} else if (type == float.class) {
float f = -104f;
future = asyncRemote.sendObject(f);
} else if (type == double.class) {
double d = -105d;
future = asyncRemote.sendObject(d);
} else if (type == boolean.class) {
boolean b = false;
future = asyncRemote.sendObject(b);
} else if (type == char.class) {
char c = 106;
future = asyncRemote.sendObject(c);
}
@SuppressWarnings("null") // v being null is a bug so we want the NPE in this case
Void v = future.get();
return v == null ? RESPONSE[0] : RESPONSE[1];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendObjectThrows(Async asyncRemote) {
try {
asyncRemote.sendObject((StringBean) null);
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendObjectWithHandler(Async asyncRemote) {
WaitingSendHandler handler = new WaitingSendHandler();
asyncRemote.sendObject(new StringBean(OPS.SENDOBJECTHANDLER.name()),
handler);
SendResult result = handler.waitForResult(SECONDS);
return result.isOK() ? RESPONSE[0] : RESPONSE[1];
}
protected static String sendObjectWithHandlerThrowsOnData(Async asyncRemote) {
try {
asyncRemote.sendObject((Object) null, new WaitingSendHandler());
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendObjectWithHandlerThrowsOnHandler(
Async asyncRemote) {
try {
OPS op = OPS.SENDOBJECTHANDLERTHROWSONHANDLER;
asyncRemote.sendObject(op, (WaitingSendHandler) null);
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendText(Async asyncRemote) {
Future<Void> future = asyncRemote.sendText(OPS.SENDTEXT.name());
try {
Void v = future.get();
return v == null ? RESPONSE[0] : RESPONSE[1];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendTextThrows(Async asyncRemote) {
try {
asyncRemote.sendText((String) null);
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendTextWithHandler(Async asyncRemote) {
WaitingSendHandler handler = new WaitingSendHandler();
asyncRemote.sendText(OPS.SENDTEXTHANDLER.name(), handler);
SendResult result = handler.waitForResult(SECONDS);
return result.isOK() ? RESPONSE[0] : RESPONSE[1];
}
protected static String sendTextWithHandlerThrowsOnData(Async asyncRemote) {
try {
asyncRemote.sendText((String) null, new WaitingSendHandler());
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String sendTextWithHandlerThrowsOnHandler(
Async asyncRemote) {
try {
asyncRemote.sendText(OPS.SENDOBJECTHANDLERTHROWSONHANDLER.name(),
(WaitingSendHandler) null);
return RESPONSE[1];
} catch (IllegalArgumentException e) {
return RESPONSE[0];
}
}
protected static String batchingAllowed(Async asyncRemote) {
try {
boolean allowed = asyncRemote.getBatchingAllowed();
asyncRemote.setBatchingAllowed(!allowed);
// now getBatching can be true, or false if not supported
// really there is nothing to test, except that the exception is
// not thrown
asyncRemote.sendText(OPS.BATCHING_ALLOWED.name());
asyncRemote.flushBatch();
return RESPONSE[0];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendPing(Async asyncRemote) {
try {
asyncRemote.sendPing(ByteBuffer.wrap(OPS.SEND_PING.name().getBytes()));
return RESPONSE[0];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendPingThrows(Async asyncRemote) {
try {
asyncRemote.sendPing(ByteBuffer.wrap(generateMessage(126).getBytes()));
return RESPONSE[1];
} catch (IllegalArgumentException iae) {
return RESPONSE[0];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String generateMessage(int length) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i != length; i++)
sb.append(i % 10);
return sb.toString();
}
protected static String sendPong(Async asyncRemote) {
try {
asyncRemote.sendPong(ByteBuffer.wrap(OPS.SEND_PONG.name().getBytes()));
return RESPONSE[0];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendPongThrows(Async asyncRemote) {
try {
asyncRemote.sendPong(ByteBuffer.wrap(generateMessage(126).getBytes()));
return RESPONSE[1];
} catch (IllegalArgumentException iae) {
return RESPONSE[0];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendPing4times(Async asyncRemote) {
try {
byte[] bytes = OPS.POKE.name().getBytes();
asyncRemote.sendPing(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
asyncRemote.sendPing(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
asyncRemote.sendPing(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
asyncRemote.sendPing(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
return RESPONSE[0];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
protected static String sendPong4times(Async asyncRemote) {
try {
byte[] bytes = OPS.POKE.name().getBytes();
asyncRemote.sendPong(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
asyncRemote.sendPong(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
asyncRemote.sendPong(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
asyncRemote.sendPong(ByteBuffer.wrap(bytes));
Thread.sleep(500L);
return RESPONSE[0];
} catch (Exception e) {
e.printStackTrace();
return IOUtil.printStackTrace(e);
}
}
}