Examples of io.netty.buffer.ByteBuf.readableBytes()

io.netty.buffer.ByteBuf.readableBytes()
Returns the number of readable bytes which is equal to {@code (this.writerIndex - this.readerIndex)}.

                }


                if (logger.isTraceEnabled()) {
                    logger.trace("CHUNK:                     ---\n-" + System.getProperty("line.separator") + Unpooled.copiedBuffer(chunk).toString(Charsets.UTF_8) + "\n-" + System.getProperty("line.separator"));
                    logger.trace("CONTENT-SO-FAR-PRE-CHUNK:  --- " + (contentSoFar - Unpooled.copiedBuffer(chunk).toString(Charsets.UTF_8).length()));
                    logger.trace("CHUNK-SIZE:                --- " + chunk.readableBytes());
                    logger.trace("CONTENT-SO-FAR-PRE-CHUNK:  --- " + contentSoFar);
                    if (contentLength != null) {
                        logger.trace("CONTENT-REMAINING:         --- " + (contentLength - contentSoFar));
                        logger.trace("CONTENT-LENGTH:            --- " + contentLength);
                    }

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                    }
                }


                if (contentLength != null) {
                    logger.trace("Flushing buffer as all content received");
                    flushContent = (contentSoFar >= contentLength) || (chunk.readableBytes() == 0);
                }
                try {
                    channelBuffer.writeBytes(chunk);
                    ctx.channel().read();
                } catch (IndexOutOfBoundsException iobe) {

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    }


    protected void roundTrip(String hex) {
        BigInteger i = new BigInteger( hex, 16 );
        ByteBuf buf = BigIntegerUtils.toBuf( i );
        assertEquals( hex.length() / 2, buf.readableBytes() );
        BigInteger i2 = BigIntegerUtils.fromBuf( buf );
        assertEquals( i, i2 );
    }
}

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            buf = (ByteBuf) outbound;
        } else {
            return;
        }


        ByteBuffer nioBuf = ByteBuffer.allocateDirect(buf.readableBytes());
        buf.readBytes(nioBuf);
        nioBuf.flip();


        MsgHdr message = posix.allocateMsgHdr();
        message.setIov(new ByteBuffer[]{nioBuf});

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        ByteBuf line = readLine();
        if (line == null) {
            return false;
        }


        int space = line.indexOf(line.readerIndex(), line.readerIndex() + line.readableBytes(), (byte) ' ');
        if (space < 0) {
            setError(Error.INVALID_METHOD);
            return false;
        }

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        if (line == null) {
            return false;
        }


        int space = line.indexOf(line.readerIndex(), line.readerIndex() + line.readableBytes(), (byte) ' ');


        if (space < 0) {
            setError(Error.INVALID_VERSION);
            return false;
        }

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            if (line == null) {
                // try again next time
                return 1;
            }


            if (line.readableBytes() == 2) {
                // end-of-headers
                return 0;
            }


            if (!readHeader(line, target, analyze)) {

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        if (line == null) {
            return false;
        }


        if (line.readableBytes() != 2) {
            setError(Error.INVALID_FRAGMENT);
            return false;
        }


        return true;

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    protected ByteBuf readBody() {
        ByteBuf data = null;
        if (this.buf.readableBytes() <= this.length) {
            data = this.buf.readSlice(this.buf.readableBytes());
            this.length -= data.readableBytes();
        } else {
            data = this.buf.readSlice(this.length);
            this.length = 0;
        }

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            int offset;
            int len;
            if (buffer.hasArray()) {
                bytes = buffer.array();
                offset = buffer.arrayOffset() + buffer.readerIndex();
                len = buffer.readableBytes();
            } else {
                bytes = readBytes(buffer);
                offset = 0;
                len = bytes.length;
            }

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