Examples with StringDecoder org.apache.flink.shaded.netty4.io.netty.handler.codec.string.StringDecoder used on opensource projects

Example 61 with StringDecoder

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.string.StringDecoder in project jMiniLang by bajdcc.

the class ModuleNetClient method run.

public void run() {
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        if (addr.startsWith(":")) {
            addr = "127.0.0.1" + addr;
        }
        URI uri = new URI("http://" + addr);
        if (uri.getPort() < 0)
            throw new URISyntaxException(addr, "invalid address");
        Bootstrap b = new Bootstrap();
        b.group(workerGroup).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true).handler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast("decoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4)).addLast("encoder", new LengthFieldPrepender(4, false)).addLast(new StringDecoder(Charset.forName("utf-8"))).addLast(new StringEncoder(Charset.forName("utf-8"))).addLast(new ModuleNetClientHandler(msgQueue));
            }
        });
        ChannelFuture f = b.connect(uri.getHost(), uri.getPort());
        CHANNEL_GROUP.add(f.channel());
        f = f.sync();
        if (f.isDone()) {
            status = Status.RUNNING;
        }
        this.addr = f.channel().localAddress().toString();
        f.channel().closeFuture().sync();
        status = Status.ERROR;
        error = "Client closed.";
    } catch (Exception e) {
        status = Status.ERROR;
        error = "Error: " + e.getMessage();
        if (error == null)
            error = e.getClass().getSimpleName();
        e.printStackTrace();
    } finally {
        workerGroup.shutdownGracefully();
    }
}

Example 62 with StringDecoder

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.string.StringDecoder in project jMiniLang by bajdcc.

the class ModuleNetServer method run.

public void run() {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast("decoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4)).addLast("encoder", new LengthFieldPrepender(4, false)).addLast(new StringDecoder(Charset.forName("utf-8"))).addLast(new StringEncoder(Charset.forName("utf-8"))).addLast(new ModuleNetServerHandler(msgQueue));
            }
        }).option(ChannelOption.SO_BACKLOG, 1024).childOption(ChannelOption.SO_KEEPALIVE, true);
        ChannelFuture f = b.bind(port);
        CHANNEL_GROUP.add(f.channel());
        f = f.sync();
        if (f.isDone()) {
            status = Status.RUNNING;
        }
        f.channel().closeFuture().sync();
        status = Status.ERROR;
        error = "Server closed.";
    } catch (Exception e) {
        status = Status.ERROR;
        error = "Error: " + e.getMessage();
        if (error == null)
            error = e.getClass().getSimpleName();
        e.printStackTrace();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

Example 63 with StringDecoder

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.string.StringDecoder in project netty by netty.

the class RxtxClient method main.

public static void main(String[] args) throws Exception {
    EventLoopGroup group = new OioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(RxtxChannel.class).handler(new ChannelInitializer<RxtxChannel>() {

            @Override
            public void initChannel(RxtxChannel ch) throws Exception {
                ch.pipeline().addLast(new LineBasedFrameDecoder(32768), new StringEncoder(), new StringDecoder(), new RxtxClientHandler());
            }
        });
        ChannelFuture f = b.connect(new RxtxDeviceAddress(PORT)).sync();
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

Example 64 with StringDecoder

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.string.StringDecoder in project netty by netty.

the class SecureChatServerInitializer method initChannel.

@Override
public void initChannel(SocketChannel ch) throws Exception {
    ChannelPipeline pipeline = ch.pipeline();
    // Add SSL handler first to encrypt and decrypt everything.
    // In this example, we use a bogus certificate in the server side
    // and accept any invalid certificates in the client side.
    // You will need something more complicated to identify both
    // and server in the real world.
    pipeline.addLast(sslCtx.newHandler(ch.alloc()));
    // On top of the SSL handler, add the text line codec.
    pipeline.addLast(new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter()));
    pipeline.addLast(new StringDecoder());
    pipeline.addLast(new StringEncoder());
    // and then business logic.
    pipeline.addLast(new SecureChatServerHandler());
}

Example 65 with StringDecoder

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.string.StringDecoder in project netty by netty.

the class SocketStringEchoTest method testStringEcho.

private static void testStringEcho(ServerBootstrap sb, Bootstrap cb, boolean autoRead) throws Throwable {
    sb.childOption(ChannelOption.AUTO_READ, autoRead);
    cb.option(ChannelOption.AUTO_READ, autoRead);
    Promise<Void> serverDonePromise = ImmediateEventExecutor.INSTANCE.newPromise();
    Promise<Void> clientDonePromise = ImmediateEventExecutor.INSTANCE.newPromise();
    final StringEchoHandler sh = new StringEchoHandler(autoRead, serverDonePromise);
    final StringEchoHandler ch = new StringEchoHandler(autoRead, clientDonePromise);
    sb.childHandler(new ChannelInitializer<Channel>() {

        @Override
        public void initChannel(Channel sch) throws Exception {
            sch.pipeline().addLast("framer", new DelimiterBasedFrameDecoder(512, Delimiters.lineDelimiter()));
            sch.pipeline().addLast("decoder", new StringDecoder(CharsetUtil.ISO_8859_1));
            sch.pipeline().addBefore("decoder", "encoder", new StringEncoder(CharsetUtil.ISO_8859_1));
            sch.pipeline().addAfter("decoder", "handler", sh);
        }
    });
    cb.handler(new ChannelInitializer<Channel>() {

        @Override
        public void initChannel(Channel sch) throws Exception {
            sch.pipeline().addLast("framer", new DelimiterBasedFrameDecoder(512, Delimiters.lineDelimiter()));
            sch.pipeline().addLast("decoder", new StringDecoder(CharsetUtil.ISO_8859_1));
            sch.pipeline().addBefore("decoder", "encoder", new StringEncoder(CharsetUtil.ISO_8859_1));
            sch.pipeline().addAfter("decoder", "handler", ch);
        }
    });
    Channel sc = sb.bind().sync().channel();
    Channel cc = cb.connect(sc.localAddress()).sync().channel();
    for (String element : data) {
        String delimiter = random.nextBoolean() ? "\r\n" : "\n";
        cc.writeAndFlush(element + delimiter);
    }
    ch.donePromise.sync();
    sh.donePromise.sync();
    sh.channel.close().sync();
    ch.channel.close().sync();
    sc.close().sync();
    if (sh.exception.get() != null && !(sh.exception.get() instanceof IOException)) {
        throw sh.exception.get();
    }
    if (ch.exception.get() != null && !(ch.exception.get() instanceof IOException)) {
        throw ch.exception.get();
    }
    if (sh.exception.get() != null) {
        throw sh.exception.get();
    }
    if (ch.exception.get() != null) {
        throw ch.exception.get();
    }
}