BAEL-3895: HTTP/2 in Netty (#9036)

* BAEL-3895 : HTTP/2 in Netty * BAEL-3895: Added Live Test in place of java client * BAEL-3895: Commented out netty module from main pom as it needs Java 13
2020-04-08 02:26:53 +05:30
parent 5231e082d8
commit 8e107d1180
11 changed files with 596 additions and 0 deletions
@@ -0,0 +1,91 @@
+package com.baeldung.netty;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.concurrent.TimeUnit;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.baeldung.netty.http2.Http2Util;
+import com.baeldung.netty.http2.client.Http2ClientInitializer;
+import com.baeldung.netty.http2.client.Http2ClientResponseHandler;
+import com.baeldung.netty.http2.client.Http2SettingsHandler;
+
+import io.netty.bootstrap.Bootstrap;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.nio.NioSocketChannel;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.ssl.SslContext;
+
+//Ensure the server class - Http2Server.java is already started before running this test
+public class Http2ClientLiveTest {
+
+    private static final Logger logger = LoggerFactory.getLogger(Http2ClientLiveTest.class);
+
+    private static final String HOST = "127.0.0.1";
+    private static final int PORT = 8443;
+    private SslContext sslCtx;
+    private Channel channel;
+
+    @Before
+    public void setup() throws Exception {
+        sslCtx = Http2Util.createSSLContext(false);
+    }
+
+    @Test
+    public void whenRequestSent_thenHelloWorldReceived() throws Exception {
+
+        EventLoopGroup workerGroup = new NioEventLoopGroup();
+        Http2ClientInitializer initializer = new Http2ClientInitializer(sslCtx, Integer.MAX_VALUE, HOST, PORT);
+
+        try {
+            Bootstrap b = new Bootstrap();
+            b.group(workerGroup);
+            b.channel(NioSocketChannel.class);
+            b.option(ChannelOption.SO_KEEPALIVE, true);
+            b.remoteAddress(HOST, PORT);
+            b.handler(initializer);
+
+            channel = b.connect()
+                .syncUninterruptibly()
+                .channel();
+
+            logger.info("Connected to [" + HOST + ':' + PORT + ']');
+
+            Http2SettingsHandler http2SettingsHandler = initializer.getSettingsHandler();
+            http2SettingsHandler.awaitSettings(60, TimeUnit.SECONDS);
+
+            logger.info("Sending request(s)...");
+
+            FullHttpRequest request = Http2Util.createGetRequest(HOST, PORT);
+
+            Http2ClientResponseHandler responseHandler = initializer.getResponseHandler();
+            int streamId = 3;
+
+            responseHandler.put(streamId, channel.write(request), channel.newPromise());
+            channel.flush();
+            String response = responseHandler.awaitResponses(60, TimeUnit.SECONDS);
+
+            assertEquals("Hello World", response);
+
+            logger.info("Finished HTTP/2 request(s)");
+
+        } finally {
+            workerGroup.shutdownGracefully();
+        }
+
+    }
+
+    @After
+    public void cleanup() {
+        channel.close()
+            .syncUninterruptibly();
+    }
+}