Example usage for io.netty.channel ChannelPromise await

Introduction

In this page you can find the example usage for io.netty.channel ChannelPromise await.

Prototype

boolean await(long timeout, TimeUnit unit) throws InterruptedException;

Source Link

Document

Waits for this future to be completed within the specified time limit.

Usage

From source file:io.undertow.server.protocol.http2.HTTP2ViaUpgradeTestCase.java

License:Open Source License

@Test
public void testHttp2WithNettyClient() throws Exception {

    message = "Hello World";

    EventLoopGroup workerGroup = new NioEventLoopGroup();
    Http2ClientInitializer initializer = new Http2ClientInitializer(Integer.MAX_VALUE);

    try {//w  w w  . j av a2 s .  co  m
        // Configure the client.
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        final int port = DefaultServer.getHostPort("default") + 1;
        final String host = DefaultServer.getHostAddress("default");
        b.remoteAddress(host, port);
        b.handler(initializer);

        // Start the client.

        Channel channel = b.connect().syncUninterruptibly().channel();

        Http2SettingsHandler http2SettingsHandler = initializer.settingsHandler();
        http2SettingsHandler.awaitSettings(5, TimeUnit.SECONDS);
        HttpResponseHandler responseHandler = initializer.responseHandler();
        int streamId = 3;
        URI hostName = URI.create("http://" + host + ':' + port);
        System.err.println("Sending request(s)...");
        // Create a simple GET request.
        final ChannelPromise promise = channel.newPromise();
        responseHandler.put(streamId, promise);
        FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET,
                hostName.toString());
        request.headers().add(HttpHeaderNames.HOST, hostName);
        request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
        request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.DEFLATE);
        channel.writeAndFlush(request);
        streamId += 2;
        promise.await(10, TimeUnit.SECONDS);
        Assert.assertEquals(message, messages.poll());
        System.out.println("Finished HTTP/2 request(s)");

        // Wait until the connection is closed.
        channel.close().syncUninterruptibly();
    } finally {
        workerGroup.shutdownGracefully();
    }
}

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