Example usage for io.netty.buffer ByteBuf isReadable

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

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Introduction

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

Prototype

public abstract boolean isReadable();

Source Link

Document

Returns true if and only if (this.writerIndex - this.readerIndex) is greater than 0 .

Usage

From source file:io.aos.netty5.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   ww  w  .  jav  a  2  s .c  o m
        }

        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<String, String> h : headers) {
                String key = h.getKey();
                String 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 (String name : trailer.trailingHeaders().names()) {
                    for (String 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:io.aos.netty5.http2.client.HttpResponseHandler.java

License:Apache License

@Override
protected void messageReceived(ChannelHandlerContext ctx, FullHttpResponse msg) throws Exception {
    int streamId = Integer.parseInt(msg.headers().get(Http2HttpHeaders.Names.STREAM_ID));
    ChannelPromise promise = streamidPromiseMap.get(streamId);
    if (promise == null) {
        System.err.println("Message received for unknown stream id " + streamId);
    } else {//  w w w  . ja va  2 s.  co m
        // Do stuff with the message (for now just print it)
        ByteBuf content = msg.content();
        if (content.isReadable()) {
            int contentLength = content.readableBytes();
            byte[] arr = new byte[contentLength];
            content.readBytes(arr);
            System.out.println(new String(arr, 0, contentLength, CharsetUtil.UTF_8));
        }

        promise.setSuccess();
    }
}

From source file:io.bsoa.rpc.grpc.client12.HttpResponseHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpResponse msg) throws Exception {
    System.out.println("=======4======>" + ctx.pipeline().names() + "<=========" + ctx.pipeline().toMap());
    Integer streamId = msg.headers().getInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text());
    if (streamId == null) {
        System.err.println("HttpResponseHandler unexpected message received: " + msg);
        return;//w  w  w  . j a  v  a 2  s  . c om
    }

    Entry<ChannelFuture, ChannelPromise> entry = streamidPromiseMap.get(streamId);
    if (entry == null) {
        System.err.println("Message received for unknown stream id " + streamId);
    } else {
        // Do stuff with the message (for now just print it)
        ByteBuf content = msg.content();
        if (content.isReadable()) {
            int contentLength = content.readableBytes();
            byte[] arr = new byte[contentLength];
            content.readBytes(arr);
            System.out.println(new String(arr, 0, contentLength, CharsetUtil.UTF_8));
        }

        entry.getValue().setSuccess();
    }
}

From source file:io.cettia.asity.bridge.netty4.NettyServerHttpExchange.java

License:Apache License

void handleChunk(HttpContent chunk) {
    // To obtain chunkAction
    read();/* w ww .  jav a 2s  . c  o  m*/
    ByteBuf buf = chunk.content();
    if (buf.isReadable() && this.chunkAction != null) {
        this.chunkAction.on(buf.nioBuffer());
    }
    if (chunk instanceof LastHttpContent) {
        endActions.fire();
    }
}

From source file:io.codis.nedis.handler.RedisResponseDecoder.java

License:Apache License

private Long decodeLong(ByteBuf in) throws ProtocolException {
    byte sign = in.readByte();
    final MutableLong l;
    boolean negative;
    if (sign == '-') {
        negative = true;//from w ww. ja  v a 2  s.  c om
        l = new MutableLong(0);
    } else {
        negative = false;
        l = new MutableLong(toDigit(sign));
    }
    final MutableBoolean reachCR = new MutableBoolean(false);
    setReaderIndex(in, in.forEachByte(new ByteBufProcessor() {

        @Override
        public boolean process(byte value) throws Exception {
            if (value == '\r') {
                reachCR.setTrue();
                return false;
            } else {
                if (value >= '0' && value <= '9') {
                    l.setValue(l.longValue() * 10 + toDigit(value));
                } else {
                    throw new ProtocolException("Response is not ended by CRLF");
                }
                return true;
            }
        }
    }));
    if (!reachCR.booleanValue()) {
        return null;
    }
    if (!in.isReadable()) {
        return null;
    }
    if (in.readByte() != '\n') {
        throw new ProtocolException("Response is not ended by CRLF");
    }
    return negative ? -l.longValue() : l.longValue();
}

From source file:io.gatling.http.client.body.multipart.impl.PartImpl.java

License:Apache License

long transferTo(ByteBuf source, WritableByteChannel target, PartImplState sourceFullyWrittenState)
        throws IOException {

    int transferred = 0;
    if (target instanceof GatheringByteChannel) {
        transferred = source.readBytes((GatheringByteChannel) target, source.readableBytes());
    } else {//from w w w  .j av a  2s. co  m
        for (ByteBuffer byteBuffer : source.nioBuffers()) {
            int len = byteBuffer.remaining();
            int written = target.write(byteBuffer);
            transferred += written;
            if (written != len) {
                // couldn't write full buffer, exit loop
                break;
            }
        }
        // assume this is a basic single ByteBuf
        source.readerIndex(source.readerIndex() + transferred);
    }

    if (source.isReadable()) {
        slowTarget = true;
    } else {
        state = sourceFullyWrittenState;
    }
    return transferred;
}

From source file:io.gatling.http.client.test.listener.CompleteResponseListener.java

License:Apache License

@Override
public void onHttpResponseBodyChunk(ByteBuf chunk, boolean last) {

    if (chunk.isReadable()) {
        if (chunks == null) {
            chunks = new ArrayList<>(1);
        }//  w ww.j av a  2s.  co  m
        chunks.add(chunk.retain());
    }

    if (last) {
        onComplete();
    }
}

From source file:io.gatling.netty.util.ahc.ByteBufUtils.java

License:Apache License

static String decodeString(Charset charset, ByteBuf src) {
    if (!src.isReadable()) {
        return "";
    }//www .  ja v  a  2 s  . c  om
    return decode(src, charset).toString();
}

From source file:io.gatling.netty.util.ahc.ByteBufUtils.java

License:Apache License

static char[] decodeChars(Charset charset, ByteBuf src) {
    if (!src.isReadable()) {
        return EMPTY_CHARS;
    }/*from  w  w  w.  j av  a 2 s.  c  o  m*/
    return toCharArray(decode(src, charset));
}

From source file:io.grpc.alts.internal.ByteBufTestUtils.java

License:Apache License

/** Fragment byte buffer into multiple pieces. */
public static List<ByteBuf> fragmentByteBuf(ByteBuf in, int num, RegisterRef ref) {
    ByteBuf buf = in.slice();
    Preconditions.checkArgument(num > 0);
    List<ByteBuf> fragmentedBufs = new ArrayList<>(num);
    int fragmentSize = buf.readableBytes() / num;
    while (buf.isReadable()) {
        int readBytes = num == 0 ? buf.readableBytes() : fragmentSize;
        ByteBuf tmpBuf = getDirectBuffer(readBytes, ref);
        tmpBuf.writeBytes(buf, readBytes);
        fragmentedBufs.add(tmpBuf);//from  w w  w . j  a va 2  s  .co  m
        num--;
    }
    return fragmentedBufs;
}