Example usage for io.netty.buffer ByteBuf forEachByte

Introduction

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

Prototype

public abstract int forEachByte(ByteProcessor processor);

Source Link

Document

Iterates over the readable bytes of this buffer with the specified processor in ascending order.

Usage

From source file:org.codice.alliance.video.stream.mpegts.netty.StartCodeTest.java

License:Open Source License

@Test
public void testCodeDoesntExist2() {
    ByteBuf byteBuf = Unpooled.wrappedBuffer(new byte[] { 0x04, 0x05, 0x00, 0x00, 0x02, 0x42 });

    int position = byteBuf.forEachByte(startCode);

    assertThat(position, is(-1));/*w  ww.ja  va2  s . c o  m*/

}

From source file:org.codice.alliance.video.stream.mpegts.netty.StartCodeTest.java

License:Open Source License

@Test
public void testEOF() {
    ByteBuf byteBuf = Unpooled.wrappedBuffer(new byte[] { 0x04, 0x05, 0x00, 0x00, 0x01 });

    int position = byteBuf.forEachByte(startCode);

    assertThat(position, is(-1));/*from  w  w w . j av  a 2 s.  co m*/

}

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 ww  w. j a  v  a2 s . 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.graylog2.inputs.syslog.tcp.SyslogOctetCountFrameDecoder.java

License:Open Source License

/**
 * Find the byte length of the frame length value.
 *
 * @param buffer The channel buffer//from  w ww .  j  a v  a 2  s  .  c  om
 * @return The length of the frame length value
 */
private int findFrameSizeValueLength(final ByteBuf buffer) {
    final int readerIndex = buffer.readerIndex();
    int index = buffer.forEachByte(BYTE_PROCESSOR);

    if (index >= 0) {
        return index - readerIndex;
    } else {
        return -1;
    }
}

From source file:org.opendaylight.controller.netconf.ssh.threads.Handshaker.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws IOException {
    ByteBuf bb = (ByteBuf) msg;
    // we can block the server here so that slow client does not cause memory pressure
    try {//w  w  w . j  a  va2s .  c om
        bb.forEachByte(new ByteBufProcessor() {
            @Override
            public boolean process(byte value) throws Exception {
                remoteOutputStream.write(value);
                return true;
            }
        });
    } finally {
        bb.release();
    }
}

From source file:ratpack.sse.internal.ServerSentEventDecoder.java

License:Apache License

private static int scanAndFindColon(ByteBuf byteBuf) {
    return byteBuf.forEachByte(SCAN_COLON_PROCESSOR);
}

From source file:ratpack.sse.internal.ServerSentEventDecoder.java

License:Apache License

private static int scanAndFindEndOfLine(ByteBuf byteBuf) {
    return byteBuf.forEachByte(SCAN_EOL_PROCESSOR);
}

From source file:ratpack.sse.internal.ServerSentEventDecoder.java

License:Apache License

private static boolean skipTillMatching(ByteBuf byteBuf, ByteBufProcessor processor) {
    final int lastIndexProcessed = byteBuf.forEachByte(processor);
    if (-1 == lastIndexProcessed) {
        byteBuf.readerIndex(byteBuf.readerIndex() + byteBuf.readableBytes()); // If all the remaining bytes are to be ignored, discard the buffer.
    } else {/* w  w  w. j  a  va  2 s  .c  om*/
        byteBuf.readerIndex(lastIndexProcessed);
    }
    return -1 != lastIndexProcessed;
}

From source file:reactor.net.tcp.TcpServerTests.java

License:Open Source License

@Test
public void exposesNettyByteBuf() throws InterruptedException {
    final int port = SocketUtils.findAvailableTcpPort();
    final CountDownLatch latch = new CountDownLatch(msgs);

    TcpServer<ByteBuf, ByteBuf> server = new TcpServerSpec<ByteBuf, ByteBuf>(NettyTcpServer.class).env(env)
            .listen(port).dispatcher(SynchronousDispatcher.INSTANCE)
            .consume(new Consumer<NetChannel<ByteBuf, ByteBuf>>() {
                @Override/* w  w w . j a  v  a 2  s. co  m*/
                public void accept(NetChannel<ByteBuf, ByteBuf> ch) {
                    ch.consume(new Consumer<ByteBuf>() {
                        @Override
                        public void accept(ByteBuf byteBuf) {
                            byteBuf.forEachByte(new ByteBufProcessor() {
                                @Override
                                public boolean process(byte value) throws Exception {
                                    if (value == '\n') {
                                        latch.countDown();
                                    }
                                    return true;
                                }
                            });
                            byteBuf.release();
                        }
                    });
                }
            }).get();

    log.info("Starting raw server on tcp://localhost:{}", port);
    server.start().await();

    for (int i = 0; i < threads; i++) {
        threadPool.submit(new DataWriter(port));
    }

    try {
        assertTrue("Latch was counted down", latch.await(10, TimeUnit.SECONDS));
    } finally {
        server.shutdown().await();
    }

}

From source file:tonivade.redis.protocol.RedisDecoder.java

License:Open Source License

private static int findEndOfLine(final ByteBuf buffer) {
    int i = buffer.forEachByte(ByteBufProcessor.FIND_LF);
    if (i > 0 && buffer.getByte(i - 1) == '\r') {
        i--;// ww  w . j  a va2  s  .co m
    }
    return i;
}