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package fi.iki.elonen.samples.echo;
/*
* #%L
* NanoHttpd-Websocket
* %%
* Copyright (C) 2012 - 2015 nanohttpd
* %%
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the nanohttpd nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* #L%
*/
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.StatusCode;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
/**
* Basic Echo Client Socket
*/
@WebSocket(maxTextMessageSize = 64 * 1024)
public class SimpleEchoSocket {
private final List<String> receivedMessages = new ArrayList<String>();
private final List<String> toSendMessages = new ArrayList<String>();
private final CountDownLatch closeLatch;
public SimpleEchoSocket() {
this.closeLatch = new CountDownLatch(1);
}
public boolean awaitClose(int duration, TimeUnit unit) throws InterruptedException {
return this.closeLatch.await(duration, unit);
}
public List<String> getReceivedMessages() {
return this.receivedMessages;
}
public List<String> getToSendMessages() {
return this.toSendMessages;
}
@OnWebSocketClose
public void onClose(int statusCode, String reason) {
System.out.printf("Connection closed: %d - %s%n", statusCode, reason);
this.closeLatch.countDown();
}
@OnWebSocketConnect
public void onConnect(Session session) {
System.out.printf("Got connect: %s%n", session);
try {
Future<Void> fut;
for (String message : this.toSendMessages) {
fut = session.getRemote().sendStringByFuture(message);
fut.get(5, TimeUnit.SECONDS);
}
session.close(StatusCode.NORMAL, "I'm done");
} catch (Throwable t) {
t.printStackTrace();
}
}
@OnWebSocketMessage
public void onMessage(String msg) {
System.out.printf("Got msg: %s%n", msg);
this.receivedMessages.add(msg);
}
}
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