Example usage for io.netty.buffer ByteBuf toString

List of usage examples for io.netty.buffer ByteBuf toString

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf toString.

Prototype

public abstract String toString(Charset charset);

Source Link

Document

Decodes this buffer's readable bytes into a string with the specified character set name.

Usage

From source file:com.dwarf.netty.guide.http.snoop.HttpSnoopServerHandler.java

License:Apache License

@Override
protected void messageReceived(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;

        if (HttpHeaderUtil.is100ContinueExpected(request)) {
            send100Continue(ctx);//from  w ww . jav a2s  .  c  om
        }

        buf.setLength(0);
        buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
        buf.append("===================================\r\n");

        buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n");
        buf.append("HOSTNAME: ").append(request.headers().get(HOST, "unknown")).append("\r\n");
        buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n");

        HttpHeaders headers = request.headers();
        if (!headers.isEmpty()) {
            for (Map.Entry<CharSequence, CharSequence> h : headers) {
                CharSequence key = h.getKey();
                CharSequence value = h.getValue();
                buf.append("HEADER: ").append(key).append(" = ").append(value).append("\r\n");
            }
            buf.append("\r\n");
        }

        QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
        Map<String, List<String>> params = queryStringDecoder.parameters();
        if (!params.isEmpty()) {
            for (Entry<String, List<String>> p : params.entrySet()) {
                String key = p.getKey();
                List<String> vals = p.getValue();
                for (String val : vals) {
                    buf.append("PARAM: ").append(key).append(" = ").append(val).append("\r\n");
                }
            }
            buf.append("\r\n");
        }

        appendDecoderResult(buf, request);
    }

    if (msg instanceof HttpContent) {
        HttpContent httpContent = (HttpContent) msg;

        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            buf.append("CONTENT: ");
            buf.append(content.toString(CharsetUtil.UTF_8));
            buf.append("\r\n");
            appendDecoderResult(buf, request);
        }

        if (msg instanceof LastHttpContent) {
            buf.append("END OF CONTENT\r\n");

            LastHttpContent trailer = (LastHttpContent) msg;
            if (!trailer.trailingHeaders().isEmpty()) {
                buf.append("\r\n");
                for (CharSequence name : trailer.trailingHeaders().names()) {
                    for (CharSequence value : trailer.trailingHeaders().getAll(name)) {
                        buf.append("TRAILING HEADER: ");
                        buf.append(name).append(" = ").append(value).append("\r\n");
                    }
                }
                buf.append("\r\n");
            }

            if (!writeResponse(trailer, ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
        }
    }
}

From source file:com.eightkdata.mongowp.bson.netty.pool.StringPool.java

License:Open Source License

protected static String getString(@Tight @ConservesIndexes ByteBuf stringBuf) {
    return stringBuf.toString(Charsets.UTF_8);
}

From source file:com.flysoloing.learning.network.netty.http.snoop.HttpSnoopServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;

        if (HttpUtil.is100ContinueExpected(request)) {
            send100Continue(ctx);//w  w w .j  av a  2s  .  com
        }

        buf.setLength(0);
        buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
        buf.append("===================================\r\n");

        buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n");
        buf.append("HOSTNAME: ").append(request.headers().get(HttpHeaderNames.HOST, "unknown")).append("\r\n");
        buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n");

        HttpHeaders headers = request.headers();
        if (!headers.isEmpty()) {
            for (Entry<String, String> h : headers) {
                CharSequence key = h.getKey();
                CharSequence value = h.getValue();
                buf.append("HEADER: ").append(key).append(" = ").append(value).append("\r\n");
            }
            buf.append("\r\n");
        }

        QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
        Map<String, List<String>> params = queryStringDecoder.parameters();
        if (!params.isEmpty()) {
            for (Entry<String, List<String>> p : params.entrySet()) {
                String key = p.getKey();
                List<String> vals = p.getValue();
                for (String val : vals) {
                    buf.append("PARAM: ").append(key).append(" = ").append(val).append("\r\n");
                }
            }
            buf.append("\r\n");
        }

        appendDecoderResult(buf, request);
    }

    if (msg instanceof HttpContent) {
        HttpContent httpContent = (HttpContent) msg;

        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            buf.append("CONTENT: ");
            buf.append(content.toString(CharsetUtil.UTF_8));
            buf.append("\r\n");
            appendDecoderResult(buf, request);
        }

        if (msg instanceof LastHttpContent) {
            buf.append("END OF CONTENT\r\n");

            LastHttpContent trailer = (LastHttpContent) msg;
            if (!trailer.trailingHeaders().isEmpty()) {
                buf.append("\r\n");
                for (CharSequence name : trailer.trailingHeaders().names()) {
                    for (CharSequence value : trailer.trailingHeaders().getAll(name)) {
                        buf.append("TRAILING HEADER: ");
                        buf.append(name).append(" = ").append(value).append("\r\n");
                    }
                }
                buf.append("\r\n");
            }

            if (!writeResponse(trailer, ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
        }
    }
}

From source file:com.github.liyp.netty.App.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup boss = new NioEventLoopGroup();
    EventLoopGroup worker = new NioEventLoopGroup();

    try {/*from w  w  w . j a va2s .c  o m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(boss, worker).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new ReplayingDecoder() {
                            @Override
                            protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out)
                                    throws Exception {
                                short magicHeader = in.readShort();
                                logger.debug("Receive magic header: {}.", magicHeader);
                                if (magicHeader != HEADER) {
                                    logger.error("Receive illegal magic header: {}, close channel: {}.",
                                            magicHeader, ctx.channel().remoteAddress());
                                    ctx.close();
                                }

                                short dataLen = in.readShort();
                                logger.debug("Receive message data length: {}.", dataLen);
                                if (dataLen < 0) {
                                    logger.error("Data length is negative, close channel: {}.",
                                            ctx.channel().remoteAddress());
                                    ctx.close();
                                }

                                ByteBuf payload = in.readBytes(dataLen);
                                String cloudMsg = payload.toString(CharsetUtil.UTF_8);
                                logger.debug("Receive data: {}.", cloudMsg);
                                out.add(cloudMsg);
                            }
                        }).addLast(new MessageToByteEncoder<String>() {
                            @Override
                            protected void encode(ChannelHandlerContext ctx, String msg, ByteBuf out)
                                    throws Exception {
                                out.writeBytes(msg.getBytes());
                            }
                        }).addLast(new ChannelInboundHandlerAdapter() {
                            @Override
                            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                                logger.info("start receive msg...");
                            }

                            @Override
                            public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                                logger.info("receive msg: {}", msg);
                                logger.info("echo msg");
                                ctx.writeAndFlush(msg);
                            }
                        });
                    }
                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);
        ChannelFuture f = b.bind(PORT).sync();
        logger.info("9999");
        f.channel().closeFuture().sync();
    } finally {
        worker.shutdownGracefully();
        boss.shutdownGracefully();
    }
}

From source file:com.github.nettybook.ch7.junit.Base64EncoderTest.java

License:Apache License

@Test
public void testEncoder() {
    String writeData = "";

    ByteBuf request = Unpooled.wrappedBuffer(writeData.getBytes());

    Base64Encoder encoder = new Base64Encoder();
    EmbeddedChannel embeddedChannel = new EmbeddedChannel(encoder);

    embeddedChannel.writeOutbound(request);
    ByteBuf response = (ByteBuf) embeddedChannel.readOutbound();

    String expect = "7JWI64WV7ZWY7IS47JqU";

    assertEquals(expect, response.toString(Charset.defaultCharset()));

    embeddedChannel.finish();//from w w w  .  j  av  a  2  s .  c o  m
}

From source file:com.github.nettybook.ch7.junit.DelimiterBasedFrameDecoderTest.java

License:Apache License

@Test
public void testDecoder() {
    String writeData = "\r\n\r\n";
    String firstResponse = "\r\n";
    String secondResponse = "\r\n";

    DelimiterBasedFrameDecoder decoder = new DelimiterBasedFrameDecoder(8192, false,
            Delimiters.lineDelimiter());
    EmbeddedChannel embeddedChannel = new EmbeddedChannel(decoder);

    ByteBuf request = Unpooled.wrappedBuffer(writeData.getBytes());
    boolean result = embeddedChannel.writeInbound(request);
    assertTrue(result);//  w w  w . j a va  2 s.com

    ByteBuf response = null;

    response = (ByteBuf) embeddedChannel.readInbound();
    assertEquals(firstResponse, response.toString(Charset.defaultCharset()));

    response = (ByteBuf) embeddedChannel.readInbound();
    assertEquals(secondResponse, response.toString(Charset.defaultCharset()));

    embeddedChannel.finish();
}

From source file:com.github.sinsinpub.pero.manual.proxyhandler.HttpProxyServer.java

License:Apache License

private boolean authenticate(ChannelHandlerContext ctx, FullHttpRequest req) {
    assertThat(req.method(), Matchers.is(HttpMethod.CONNECT));

    if (testMode != TestMode.INTERMEDIARY) {
        ctx.pipeline().addBefore(ctx.name(), "lineDecoder", new LineBasedFrameDecoder(64, false, true));
    }//  ww w  . j  a v a 2 s . co  m

    ctx.pipeline().remove(HttpObjectAggregator.class);
    ctx.pipeline().remove(HttpRequestDecoder.class);

    boolean authzSuccess = false;
    if (username != null) {
        CharSequence authz = req.headers().get(HttpHeaderNames.PROXY_AUTHORIZATION);
        if (authz != null) {
            String[] authzParts = StringUtil.split(authz.toString(), ' ', 2);
            ByteBuf authzBuf64 = Unpooled.copiedBuffer(authzParts[1], CharsetUtil.US_ASCII);
            ByteBuf authzBuf = Base64.decode(authzBuf64);

            String expectedAuthz = username + ':' + password;
            authzSuccess = "Basic".equals(authzParts[0])
                    && expectedAuthz.equals(authzBuf.toString(CharsetUtil.US_ASCII));

            authzBuf64.release();
            authzBuf.release();
        }
    } else {
        authzSuccess = true;
    }

    return authzSuccess;
}

From source file:com.gmail.ipshuvaev.server.CustomHttpHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof ByteBuf) {
        // ?  ?   

        ByteBuf buf = (ByteBuf) msg;
        String chunk = buf.toString(CharsetUtil.US_ASCII);
        requestData.append(chunk);/*from  w w w .ja v  a  2  s.  co m*/
    }
}

From source file:com.goide.dlv.DlvVm.java

License:Apache License

public DlvVm(@NotNull DebugEventListener tabListener, @NotNull Channel channel) {
    super(tabListener);

    commandProcessor = new DlvCommandProcessor() {
        @Override//from  ww  w. j a va 2  s  .  com
        public boolean write(@NotNull Request message) throws IOException {
            ByteBuf content = message.getBuffer();
            LOG.info("OUT: " + content.toString(CharsetToolkit.UTF8_CHARSET));
            return vmHelper.write(content);
        }
    };
    vmHelper = new StandaloneVmHelper(this, commandProcessor, channel);

    channel.pipeline().addLast(new JsonObjectDecoder(), new SimpleChannelInboundHandlerAdapter() {
        @Override
        protected void messageReceived(ChannelHandlerContext context, Object message) throws Exception {
            if (message instanceof ByteBuf) {
                LOG.info("IN: " + ((ByteBuf) message).toString(CharsetToolkit.UTF8_CHARSET));
                CharSequence string = ChannelBufferToString.readChars((ByteBuf) message);
                JsonReaderEx ex = new JsonReaderEx(string);
                getCommandProcessor().processIncomingJson(ex);
            }
        }
    });
}

From source file:com.hazelcast.simulator.protocol.handler.SimulatorProtocolDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    if (EMPTY_BUFFER.equals(buffer)) {
        return;//w  w w .ja  v  a  2 s .c om
    }
    if (LOGGER.isTraceEnabled()) {
        LOGGER.trace(format("SimulatorProtocolDecoder.decode() %s %s", addressLevel, localAddress));
    }

    if (isSimulatorMessage(buffer)) {
        decodeSimulatorMessage(ctx, buffer, out);
        return;
    }
    if (isResponse(buffer)) {
        decodeResponse(ctx, buffer, out);
        return;
    }

    String msg = format("%s %s Invalid magic bytes %s", addressLevel, localAddress,
            buffer.toString(CharsetUtil.UTF_8));
    LOGGER.error(msg);
    throw new IllegalArgumentException(msg);
}