Examples with EventLoopGroup io.netty.channel.EventLoopGroup used on opensource projects

Example 36 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project netty by netty.

the class SimpleChannelPoolTest method testAcquire.

@Test
public void testAcquire() throws Exception {
    EventLoopGroup group = new LocalEventLoopGroup();
    LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
    Bootstrap cb = new Bootstrap();
    cb.remoteAddress(addr);
    cb.group(group).channel(LocalChannel.class);
    ServerBootstrap sb = new ServerBootstrap();
    sb.group(group).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<LocalChannel>() {

        @Override
        public void initChannel(LocalChannel ch) throws Exception {
            ch.pipeline().addLast(new ChannelInboundHandlerAdapter());
        }
    });
    // Start server
    Channel sc = sb.bind(addr).sync().channel();
    CountingChannelPoolHandler handler = new CountingChannelPoolHandler();
    ChannelPool pool = new SimpleChannelPool(cb, handler);
    Channel channel = pool.acquire().sync().getNow();
    pool.release(channel).syncUninterruptibly();
    Channel channel2 = pool.acquire().sync().getNow();
    assertSame(channel, channel2);
    assertEquals(1, handler.channelCount());
    pool.release(channel2).syncUninterruptibly();
    // Should fail on multiple release calls.
    try {
        pool.release(channel2).syncUninterruptibly();
        fail();
    } catch (IllegalArgumentException e) {
        // expected
        assertFalse(channel.isActive());
    }
    assertEquals(1, handler.acquiredCount());
    assertEquals(2, handler.releasedCount());
    sc.close().sync();
    group.shutdownGracefully();
}

Example 37 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project netty by netty.

the class SimpleChannelPoolTest method testUnhealthyChannelIsOfferedWhenNoHealthCheckRequested.

/**
     * Tests that if channel was unhealthy it is was offered back to the pool because
     * it was requested not to validate channel health on release.
     *
     * @throws Exception
     */
@Test
public void testUnhealthyChannelIsOfferedWhenNoHealthCheckRequested() throws Exception {
    EventLoopGroup group = new LocalEventLoopGroup();
    LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
    Bootstrap cb = new Bootstrap();
    cb.remoteAddress(addr);
    cb.group(group).channel(LocalChannel.class);
    ServerBootstrap sb = new ServerBootstrap();
    sb.group(group).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<LocalChannel>() {

        @Override
        public void initChannel(LocalChannel ch) throws Exception {
            ch.pipeline().addLast(new ChannelInboundHandlerAdapter());
        }
    });
    // Start server
    Channel sc = sb.bind(addr).syncUninterruptibly().channel();
    ChannelPoolHandler handler = new CountingChannelPoolHandler();
    ChannelPool pool = new SimpleChannelPool(cb, handler, ChannelHealthChecker.ACTIVE, false);
    Channel channel1 = pool.acquire().syncUninterruptibly().getNow();
    channel1.close().syncUninterruptibly();
    Future<Void> releaseFuture = pool.release(channel1, channel1.eventLoop().<Void>newPromise()).syncUninterruptibly();
    assertThat(releaseFuture.isSuccess(), CoreMatchers.is(true));
    Channel channel2 = pool.acquire().syncUninterruptibly().getNow();
    //verifying that in fact the channel2 is different that means is not pulled from the pool
    assertNotSame(channel1, channel2);
    sc.close().syncUninterruptibly();
    channel2.close().syncUninterruptibly();
    group.shutdownGracefully();
}

Example 38 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project netty by netty.

the class SimpleChannelPoolTest method testUnhealthyChannelIsNotOffered.

/**
     * Tests that if channel was unhealthy it is not offered back to the pool.
     *
     * @throws Exception
     */
@Test
public void testUnhealthyChannelIsNotOffered() throws Exception {
    EventLoopGroup group = new LocalEventLoopGroup();
    LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
    Bootstrap cb = new Bootstrap();
    cb.remoteAddress(addr);
    cb.group(group).channel(LocalChannel.class);
    ServerBootstrap sb = new ServerBootstrap();
    sb.group(group).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<LocalChannel>() {

        @Override
        public void initChannel(LocalChannel ch) throws Exception {
            ch.pipeline().addLast(new ChannelInboundHandlerAdapter());
        }
    });
    // Start server
    Channel sc = sb.bind(addr).syncUninterruptibly().channel();
    ChannelPoolHandler handler = new CountingChannelPoolHandler();
    ChannelPool pool = new SimpleChannelPool(cb, handler);
    Channel channel1 = pool.acquire().syncUninterruptibly().getNow();
    pool.release(channel1).syncUninterruptibly();
    Channel channel2 = pool.acquire().syncUninterruptibly().getNow();
    //first check that when returned healthy then it actually offered back to the pool.
    assertSame(channel1, channel2);
    expectedException.expect(IllegalStateException.class);
    channel1.close().syncUninterruptibly();
    try {
        pool.release(channel1).syncUninterruptibly();
    } finally {
        sc.close().syncUninterruptibly();
        channel2.close().syncUninterruptibly();
        group.shutdownGracefully();
    }
}

Example 39 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project netty by netty.

the class SpdyServer method main.

public static void main(String[] args) throws Exception {
    // Configure SSL.
    SelfSignedCertificate ssc = new SelfSignedCertificate();
    SslContext sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).applicationProtocolConfig(new ApplicationProtocolConfig(Protocol.NPN, // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
    SelectorFailureBehavior.NO_ADVERTISE, // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
    SelectedListenerFailureBehavior.ACCEPT, ApplicationProtocolNames.SPDY_3_1, ApplicationProtocolNames.HTTP_1_1)).build();
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new SpdyServerInitializer(sslCtx));
        Channel ch = b.bind(PORT).sync().channel();
        System.err.println("Open your SPDY-enabled web browser and navigate to https://127.0.0.1:" + PORT + '/');
        System.err.println("If using Chrome browser, check your SPDY sessions at chrome://net-internals/#spdy");
        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

Example 40 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project netty by netty.

the class TelnetClient method main.

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new TelnetClientInitializer(sslCtx));
        // Start the connection attempt.
        Channel ch = b.connect(HOST, PORT).sync().channel();
        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (; ; ) {
            String line = in.readLine();
            if (line == null) {
                break;
            }
            // Sends the received line to the server.
            lastWriteFuture = ch.writeAndFlush(line + "\r\n");
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                ch.closeFuture().sync();
                break;
            }
        }
        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }
    } finally {
        group.shutdownGracefully();
    }
}