Java tutorial
/* * Copyright 2011-2018 GatlingCorp (https://gatling.io) * * 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 io.gatling.http.client; import io.gatling.http.client.ahc.uri.Uri; import io.netty.buffer.ByteBuf; import io.netty.handler.codec.http.HttpHeaders; import io.netty.handler.codec.http.HttpMethod; import io.netty.handler.codec.http.HttpResponseStatus; import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame; import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame; import io.netty.handler.codec.http.websocketx.PongWebSocketFrame; import io.netty.handler.codec.http.websocketx.TextWebSocketFrame; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.concurrent.CountDownLatch; public class WebSocketMain { private static final Logger LOGGER = LoggerFactory.getLogger(WebSocketMain.class); public static void main(String[] args) throws Exception { try (GatlingHttpClient client = new GatlingHttpClient(new HttpClientConfig())) { Request request = new RequestBuilder(HttpMethod.GET, Uri.create("wss://echo.websocket.org")) .setNameResolver(client.getNameResolver()).setRequestTimeout(10000).build(); final CountDownLatch latch = new CountDownLatch(1); client.execute(request, 0, true, new WebSocketListener() { @Override public void onWebSocketOpen() { LOGGER.debug(">>>>>>onWebSocketOpen"); sendFrame(new TextWebSocketFrame("HELLO!!!")); } @Override public void onTextFrame(TextWebSocketFrame frame) { LOGGER.debug(">>>>>>onTextFrame " + frame.text()); sendFrame(new CloseWebSocketFrame()); latch.countDown(); } @Override public void onBinaryFrame(BinaryWebSocketFrame frame) { LOGGER.debug(">>>>>>onBinaryFrame"); } @Override public void onPongFrame(PongWebSocketFrame frame) { LOGGER.debug(">>>>>>onPongFrame"); } @Override public void onCloseFrame(CloseWebSocketFrame frame) { LOGGER.debug(">>>>>>onCloseFrame"); } @Override public void onHttpResponse(HttpResponseStatus status, HttpHeaders headers) { LOGGER.debug(">>>>>>onHttpResponse " + status); } @Override public void onHttpResponseBodyChunk(ByteBuf chunk, boolean last) { } @Override public void onThrowable(Throwable e) { LOGGER.debug(">>>>>>onThrowable"); e.printStackTrace(); latch.countDown(); } }); latch.await(); } } }