/**
* Copyright 2016 Yahoo Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.yahoo.pulsar.proxy.socket.client;
import static java.util.Base64.getEncoder;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import java.io.IOException;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.HdrHistogram.Recorder;
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.OnWebSocketMessage;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
import com.google.gson.Gson;
import com.google.gson.JsonParseException;
import com.google.gson.JsonObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@WebSocket(maxTextMessageSize = 64 * 1024)
public class SimpleTestProducerSocket {
public static Recorder recorder = new Recorder(TimeUnit.SECONDS.toMillis(120000), 5);
private final CountDownLatch closeLatch;
private volatile Session session;
private ConcurrentHashMap<String, Long> startTimeMap = new ConcurrentHashMap<>();
private final static String CONTEXT = "context";
public SimpleTestProducerSocket() {
this.closeLatch = new CountDownLatch(2);
}
public boolean awaitClose(int duration, TimeUnit unit) throws InterruptedException {
return this.closeLatch.await(duration, unit);
}
@OnWebSocketClose
public void onClose(int statusCode, String reason) {
log.info("Connection closed: {} - {}", statusCode, reason);
this.session.close();
this.closeLatch.countDown();
}
@OnWebSocketConnect
public void onConnect(Session session) throws InterruptedException, IOException, JsonParseException {
log.info("Got conneceted to the proxy");
this.session = session;
}
@OnWebSocketMessage
public void onMessage(String msg) throws JsonParseException {
JsonObject json = new Gson().fromJson(msg, JsonObject.class);
long endTimeNs = System.nanoTime();
long startTime = endTimeNs;
if (startTimeMap.get(json.get(CONTEXT)) != null)
startTime = startTimeMap.get(json.get(CONTEXT));
long latencyNs = endTimeNs - startTime;
recorder.recordValue(NANOSECONDS.toMicros(latencyNs));
}
public RemoteEndpoint getRemote() {
return this.session.getRemote();
}
public Session getSession() {
return this.session;
}
public void sendMsg(String context, int sizeOfMessage)
throws IOException, JsonParseException, InterruptedException, ExecutionException {
byte[] payload = new byte[sizeOfMessage];
String message = getEncoder().encodeToString(payload);
String timeStamp = "{\"content\": \"" + message + "\",\"context\": \"" + context
+ "\", \"pulsar-properties\" : {\"test\" :[\"test\"]}}";
String sampleMsg = new Gson().fromJson(timeStamp, JsonObject.class).toString();
if (this.session != null && this.session.isOpen() && this.session.getRemote() != null) {
startTimeMap.put(context, System.nanoTime());
this.session.getRemote().sendStringByFuture(sampleMsg).get();
} else {
log.error("Session is already closed");
}
}
private static final Logger log = LoggerFactory.getLogger(SimpleTestProducerSocket.class);
}