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:org.ebayopensource.scc.filter.NettyRequestProxyFilter.java

License:Apache License

private void debugRequestInfo(HttpObject httpObject, String key) {
    if (m_debugInfo && httpObject instanceof HttpRequest) {
        if (key != null) {
            LOGGER.debug("Cache Key: " + key);
        }//from  ww w.  jav  a2  s  .co m
        if (httpObject instanceof FullHttpRequest) {
            FullHttpRequest req = (FullHttpRequest) httpObject;
            HttpHeaders headers = req.headers();
            LOGGER.debug("Headers:");
            for (Iterator<Entry<String, String>> it = headers.iterator(); it.hasNext();) {
                Entry<String, String> entry = it.next();
                LOGGER.debug("\t" + entry.getKey() + ":\t" + entry.getValue());
            }
            ByteBuf content = req.content();
            int length = content.readableBytes();
            LOGGER.debug("Content Length: " + length);
            if (length != 0) {
                LOGGER.debug("Content: " + content.toString(Charset.forName("UTF-8")));
            }
        }
    }
}

From source file:org.eclipse.scada.protocol.relp.FrameCodec.java

License:Open Source License

private void processLENGTH(final ChannelHandlerContext ctx, final byte b) {
    final ByteBuf lengthBuffer = ctx.attr(ATTR_LENGTH_BUFFER).get();

    if (b == Constants.SP || lengthBuffer.readableBytes() > 0 && b == Constants.LF) {
        // either we have a SP or at least one byte (possibly "0") and a LF

        final int length = Integer.parseInt(lengthBuffer.toString(LENGTH_CHARSET));

        ctx.attr(ATTR_EXPECTED_LENGTH).set(length);
        ctx.attr(ATTR_STATE).set(State.DATA);
    } else {/*from w ww  .j  a  va 2  s . c o  m*/
        lengthBuffer.writeByte(b);
    }
}

From source file:org.eclipse.scada.protocol.syslog.SyslogCodec.java

License:Open Source License

private String decodeMessage(final ByteBuf msg) {
    final String data = msg.toString(StandardCharsets.UTF_8);

    final StringBuilder sb = new StringBuilder();

    for (int i = 0; i < data.length(); i++) {
        final char c = data.charAt(i);
        if (c == '#') {
            try {
                final int code = Integer.parseInt(data.substring(i + 1, i + 4), 8);
                sb.append((char) code);
                i += 3;/*from  www . j a v a2s.  c  o m*/
            } catch (final NumberFormatException e) {
                sb.append(c);
            }
        } else {
            sb.append(c);
        }
    }

    return sb.toString();
}

From source file:org.graylog.collector.file.splitters.NewlineChunkSplitter.java

License:Open Source License

@Override
public Iterable<String> split(final ByteBuf buffer, final Charset charset, final boolean includeRemainingData) {
    return new Iterable<String>() {
        @Override/*from w  ww  . ja  va  2s . c  o m*/
        public Iterator<String> iterator() {
            return new AbstractIterator<String>() {

                @Override
                protected String computeNext() {
                    try {
                        if (!buffer.isReadable()) {
                            return endOfData();
                        }
                        final int i = buffer.forEachByte(ByteBufProcessor.FIND_CRLF);
                        if (i == -1) {
                            if (includeRemainingData) {
                                final ByteBuf remaining = buffer.readBytes(buffer.readableBytes());
                                return remaining.toString(charset);
                            } else {
                                return endOfData();
                            }
                        }
                        final ByteBuf fullLine = buffer.readBytes(i);
                        // Strip the \r/\n bytes from the buffer.
                        final byte readByte = buffer.readByte(); // the \r or \n byte
                        if (readByte == '\r') {
                            buffer.readByte(); // the \n byte if previous was \r
                        }
                        return fullLine.toString(charset);
                    } finally {
                        buffer.discardReadBytes();
                    }
                }
            };
        }
    };
}

From source file:org.graylog.collector.file.splitters.PatternChunkSplitter.java

License:Open Source License

@Override
public Iterable<String> split(final ByteBuf buffer, final Charset charset, final boolean includeRemainingData) {
    return new Iterable<String>() {
        @Override/*from   w  w  w.  j  a  va 2s  .c  o m*/
        public Iterator<String> iterator() {
            return new AbstractIterator<String>() {
                // TODO Might throw an exception if multibyte charset is used and buffer is not complete.
                //      Use CharsetDecoder to create a CharBuffer and match on that!
                private final String inputAsString = buffer.toString(charset);
                final Matcher matcher = pattern.matcher(inputAsString);
                private int positionInString = 0;

                @Override
                protected String computeNext() {
                    try {
                        if (!buffer.isReadable()) {
                            return endOfData();
                        }
                        if (matcher.find()) {
                            int firstByte = matcher.start();
                            if (firstByte == 0) {
                                // advance further, the buffer begins with our pattern.
                                if (matcher.find()) {
                                    firstByte = matcher.start();
                                } else {
                                    if (!includeRemainingData) {
                                        // couldn't find the end of the entry (i.e. there wasn't a next line yet)
                                        return endOfData();
                                    } else {
                                        // couldn't find another line, but we are asked to finish up, include everything that remains
                                        return getRemainingContent();
                                    }
                                }
                            }
                            if (firstByte == 0) {
                                // still haven't found a non-zero length string, keep waiting for more data.
                                return endOfData();
                            }
                            final String substring = inputAsString.substring(positionInString, firstByte);
                            positionInString = firstByte;
                            buffer.skipBytes(substring.getBytes(charset).length); // TODO performance
                            return substring;
                        } else {
                            if (includeRemainingData) {
                                return getRemainingContent();
                            }
                            return endOfData();
                        }
                    } catch (IllegalStateException e) {
                        // the cause contains the CharacterCodingException from the ChannelBuffer.toString() methods
                        // this usually means the buffer ended with an incomplete encoding of a unicode character.
                        // WHY U SO SUCK CHARACTER ENCODINGS?
                        // we need to wait until more data is available
                        return endOfData();
                    } finally {
                        buffer.discardReadBytes();
                    }
                }

                private String getRemainingContent() {
                    final ByteBuf channelBuffer = buffer.readBytes(buffer.readableBytes());
                    return channelBuffer.toString(charset);
                }
            };
        }
    };
}

From source file:org.graylog2.inputs.syslog.tcp.SyslogOctetCountFrameDecoderTest.java

License:Open Source License

@Test
public void testDecode() throws Exception {
    final ByteBuf buf1 = Unpooled.copiedBuffer(
            "123 <45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            StandardCharsets.US_ASCII);
    final ByteBuf buf2 = Unpooled.copiedBuffer(
            "186 <45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"2\"] Syslog connection established; fd='9', server='AF_INET(172.17.42.1:6666)', local='AF_INET(0.0.0.0:0)'\n",
            StandardCharsets.US_ASCII);
    final ByteBuf buf3 = Unpooled.copiedBuffer(buf1, buf2, buf1);

    assertTrue(channel.writeInbound(buf1, buf2, buf3));

    final ByteBuf actual1 = channel.readInbound();
    assertEquals(/* ww  w . j av a  2 s . co m*/
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            actual1.toString(StandardCharsets.US_ASCII));
    final ByteBuf actual2 = channel.readInbound();
    assertEquals(
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"2\"] Syslog connection established; fd='9', server='AF_INET(172.17.42.1:6666)', local='AF_INET(0.0.0.0:0)'\n",
            actual2.toString(StandardCharsets.US_ASCII));

    final ByteBuf actual3 = channel.readInbound();
    assertEquals(
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            actual3.toString(StandardCharsets.US_ASCII));
    final ByteBuf actual4 = channel.readInbound();
    assertEquals(
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"2\"] Syslog connection established; fd='9', server='AF_INET(172.17.42.1:6666)', local='AF_INET(0.0.0.0:0)'\n",
            actual4.toString(StandardCharsets.US_ASCII));
    final ByteBuf actual5 = channel.readInbound();
    assertEquals(
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            actual5.toString(StandardCharsets.US_ASCII));

    assertNull(channel.readInbound());
}

From source file:org.graylog2.inputs.syslog.tcp.SyslogOctetCountFrameDecoderTest.java

License:Open Source License

@Test
public void testIncompleteFrameLengthValue() throws Exception {
    final ByteBuf buf1 = Unpooled.copiedBuffer("12", StandardCharsets.US_ASCII);
    final ByteBuf buf2 = Unpooled.copiedBuffer(
            "3 <45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            StandardCharsets.US_ASCII);

    assertFalse(channel.writeInbound(buf1));
    assertNull(channel.readInbound());//from  w  ww. ja  v a2 s.  c  o  m

    assertTrue(channel.writeInbound(buf2));
    final ByteBuf actual = channel.readInbound();
    assertEquals(
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            actual.toString(StandardCharsets.US_ASCII));
}

From source file:org.graylog2.inputs.syslog.tcp.SyslogOctetCountFrameDecoderTest.java

License:Open Source License

@Test
public void testIncompleteFrames() throws Exception {
    final ByteBuf buf1 = Unpooled.copiedBuffer(
            "123 <45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - ", StandardCharsets.US_ASCII);
    final ByteBuf buf2 = Unpooled.copiedBuffer(
            "[meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n", StandardCharsets.US_ASCII);

    assertFalse(channel.writeInbound(buf1));
    assertNull(channel.readInbound());/*from w w w. jav  a 2  s  . c  o m*/

    assertTrue(channel.writeInbound(buf2));
    final ByteBuf actual = channel.readInbound();
    assertEquals(
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            actual.toString(StandardCharsets.US_ASCII));
}

From source file:org.graylog2.inputs.syslog.tcp.SyslogOctetCountFrameDecoderTest.java

License:Open Source License

@Test
public void testIncompleteByteBufByteBufFramesAndSmallBuffer() throws Exception {
    /*//from  www .  j a  va  2s  .  c  om
     * This test has been added to reproduce this issue: https://github.com/Graylog2/graylog2-server/issues/1105
     *
     * It triggers an edge case where the buffer is missing <frame size value length + 1> bytes.
     * The SyslogOctetCountFrameDecoder was handling this wrong in previous versions and tried to read more from
     * the buffer than there was available after the frame size value bytes have been skipped.
     */
    final ByteBuf messagePart1 = Unpooled.copiedBuffer(
            "123 <45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.",
            StandardCharsets.US_ASCII);
    final ByteBuf messagePart2 = Unpooled.copiedBuffer("3'\n", StandardCharsets.US_ASCII);

    assertFalse(channel.writeInbound(messagePart1));
    assertNull(channel.readInbound());
    assertTrue(channel.writeInbound(messagePart2));

    final ByteBuf actual = channel.readInbound();
    assertEquals(
            "<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - [meta sequenceId=\"1\"] syslog-ng starting up; version='3.5.3'\n",
            actual.toString(StandardCharsets.US_ASCII));
}

From source file:org.graylog2.inputs.syslog.tcp.SyslogOctetCountFrameDecoderTest.java

License:Open Source License

@Test
public void testDecodeSupportsMessagesLongerThan1024Bytes() throws Exception {
    // All transport receiver
    // implementations SHOULD be able to accept messages of up to and
    // including 2048 octets in length.  Transport receivers MAY receive
    // messages larger than 2048 octets in length.
    // -- https://tools.ietf.org/html/rfc5424#section-6.1
    final byte[] bytes = new byte[2048];
    for (int i = 0; i < bytes.length; i++) {
        bytes[i] = (byte) ('A' + (i % 26));
    }/*from   www. ja va 2 s.c o  m*/
    final String longString = new String(bytes, StandardCharsets.US_ASCII);
    final ByteBuf buffer = Unpooled.copiedBuffer(
            "2111 <45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - " + longString + "\n",
            StandardCharsets.US_ASCII);

    assertTrue(channel.writeInbound(buffer));
    channel.finish();

    final ByteBuf actual = channel.readInbound();
    assertEquals("<45>1 2014-10-21T10:21:09+00:00 c4dc57ba1ebb syslog-ng 7120 - " + longString + "\n",
            actual.toString(StandardCharsets.US_ASCII));
    assertNull(channel.readInbound());
}