Example usage for io.netty.buffer ByteBuf bytesBefore

Introduction

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

Prototype

public abstract int bytesBefore(byte value);

Source Link

Document

Locates the first occurrence of the specified value in this buffer.

Usage

From source file:org.helios.octo.server.streams.StreamOutputAdapter.java

License:Open Source License

@Override
public void write(ChannelHandlerContext ctx, MessageList<Object> msgs, ChannelPromise promise) {
    MessageList<ByteBuf> buffers = msgs.cast();
    ByteBuf acc = ctx.attr(ACC).get();
    if (acc == null) {
        acc = Unpooled.buffer();/*w  ww  .j ava2s.c  o  m*/
        ctx.attr(ACC).set(acc);
    }
    for (ByteBuf b : buffers) {
        acc.writeBytes(b);
    }
    msgs.releaseAllAndRecycle();
    while (true) {
        int loc = acc.bytesBefore(ByteBufIndexFinder.LF);
        if (loc == -1)
            break;
        ByteBuf buf = Unpooled.buffer(10);
        buf.writeLong(System.nanoTime()).writeByte(0).writeByte(streamType);
        //.writeBytes(acc.readBytes(loc+1));
        ChannelHandler se = ctx.pipeline().remove("stringEncoder");
        ctx.write(buf);
        ctx.pipeline().addAfter("out", "stringEncoder", se);
        byte[] bytes = new byte[loc];
        acc.readBytes(bytes);
        String s = new String(bytes);
        log.info("Writing out [" + s + "]");
        ctx.write(s + "\n");
    }
}

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From source file:org.redisson.client.handler.CommandDecoder.java

License:Apache License

private void decode(ByteBuf in, CommandData<Object, Object> data, List<Object> parts, Channel channel)
        throws IOException {
    int code = in.readByte();
    if (code == '+') {
        ByteBuf rb = in.readBytes(in.bytesBefore((byte) '\r'));
        try {//  w w w.ja v a2  s .  c o  m
            String result = rb.toString(CharsetUtil.UTF_8);
            in.skipBytes(2);

            handleResult(data, parts, result, false, channel);
        } finally {
            rb.release();
        }
    } else if (code == '-') {
        ByteBuf rb = in.readBytes(in.bytesBefore((byte) '\r'));
        try {
            String error = rb.toString(CharsetUtil.UTF_8);
            in.skipBytes(2);

            if (error.startsWith("MOVED")) {
                String[] errorParts = error.split(" ");
                int slot = Integer.valueOf(errorParts[1]);
                String addr = errorParts[2];
                data.tryFailure(new RedisMovedException(slot, addr));
            } else if (error.startsWith("ASK")) {
                String[] errorParts = error.split(" ");
                int slot = Integer.valueOf(errorParts[1]);
                String addr = errorParts[2];
                data.tryFailure(new RedisAskException(slot, addr));
            } else if (error.startsWith("TRYAGAIN")) {
                data.tryFailure(new RedisTryAgainException(error + ". channel: " + channel + " data: " + data));
            } else if (error.startsWith("LOADING")) {
                data.tryFailure(new RedisLoadingException(error + ". channel: " + channel + " data: " + data));
            } else if (error.startsWith("OOM")) {
                data.tryFailure(new RedisOutOfMemoryException(
                        error.split("OOM ")[1] + ". channel: " + channel + " data: " + data));
            } else if (error.contains("-OOM ")) {
                data.tryFailure(new RedisOutOfMemoryException(
                        error.split("-OOM ")[1] + ". channel: " + channel + " data: " + data));
            } else {
                if (data != null) {
                    data.tryFailure(new RedisException(error + ". channel: " + channel + " command: " + data));
                } else {
                    log.error("Error: {} channel: {} data: {}", error, channel, data);
                }
            }
        } finally {
            rb.release();
        }
    } else if (code == ':') {
        Long result = readLong(in);
        handleResult(data, parts, result, false, channel);
    } else if (code == '$') {
        ByteBuf buf = readBytes(in);
        Object result = null;
        if (buf != null) {
            Decoder<Object> decoder = selectDecoder(data, parts);
            result = decoder.decode(buf, state());
        }
        handleResult(data, parts, result, false, channel);
    } else if (code == '*') {
        int level = state().incLevel();

        long size = readLong(in);
        List<Object> respParts;
        if (state().getLevels().size() - 1 >= level) {
            StateLevel stateLevel = state().getLevels().get(level);
            respParts = stateLevel.getParts();
            size = stateLevel.getSize();
        } else {
            respParts = new ArrayList<Object>();
            if (state().isMakeCheckpoint()) {
                state().addLevel(new StateLevel(size, respParts));
            }
        }

        decodeList(in, data, parts, channel, size, respParts);
    } else {
        String dataStr = in.toString(0, in.writerIndex(), CharsetUtil.UTF_8);
        throw new IllegalStateException("Can't decode replay: " + dataStr);
    }
}

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From source file:org.redisson.client.protocol.decoder.StringObjectDecoder.java

License:Apache License

@Override
public String decode(ByteBuf buf, State state) {
    String status = buf.readBytes(buf.bytesBefore((byte) '\r')).toString(CharsetUtil.UTF_8);
    buf.skipBytes(2);//from   ww w.  j  a  v  a 2  s.  c o  m
    return status;
}

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From source file:org.traccar.protocol.AdmProtocolDecoder.java

License:Apache License

private Position parseCommandResponse(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
    if (deviceSession == null) {
        return null;
    }/*from   w  w w  . j  av a 2 s.c o  m*/

    Position position = new Position(getProtocolName());
    position.setDeviceId(deviceSession.getDeviceId());

    getLastLocation(position, null);

    int responseTextLength = buf.bytesBefore((byte) 0);
    if (responseTextLength < 0) {
        responseTextLength = CMD_RESPONSE_SIZE - 3;
    }
    position.set(Position.KEY_RESULT, buf.readSlice(responseTextLength).toString(StandardCharsets.UTF_8));

    return position;
}

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