Java ByteBuf.markReaderIndex方法代碼示例

本文整理匯總了Java中io.netty.buffer.ByteBuf.markReaderIndex方法的典型用法代碼示例。如果您正苦於以下問題：Java ByteBuf.markReaderIndex方法的具體用法？Java ByteBuf.markReaderIndex怎麽用？Java ByteBuf.markReaderIndex使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類io.netty.buffer.ByteBuf的用法示例。

在下文中一共展示了ByteBuf.markReaderIndex方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
protected ClusterMessage decode(ByteBuf in) {
    in.markReaderIndex();
    try {
        ClusterMessage hdr = new ClusterMessage();
        hdr.signature = (String) in.readCharSequence(4, UTF_8);
        hdr.length = in.readInt();
        if (in.readableBytes() < hdr.length - 8) {
            in.resetReaderIndex(); return null;
        }
        hdr.version = Version.valueOf(in.readUnsignedShort());
        if (hdr.version == PROTOCOL_V0) decodeMessageV0(hdr, in);
        else if (hdr.version == PROTOCOL_V1) decodeMessageV1(hdr, in);
        else throw new UnsupportedOperationException("version: " + hdr.version);
        return hdr;
    } catch (Exception e) {
        in.resetReaderIndex(); return null;
    }
}

開發者ID:leonchen83，項目名稱:redis-cluster-watchdog，代碼行數:19，代碼來源:ClusterMessageDecoder.java

示例2: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in,
		List<Object> out) throws Exception {
	//獲取消息頭所標識的消息體字節數組長度
       if (in.readableBytes() < 4) {
           return;
       }
       in.markReaderIndex();
       int dataLength = in.readInt();
       if (dataLength < 0) {
           ctx.close();
       }
       //若當前可以獲取到的字節數小於實際長度,則直接返回,直到當前可以獲取到的字節數等於實際長度
       if (in.readableBytes() < dataLength) {
           in.resetReaderIndex();
           return;
       }
       //讀取完整的消息體字節數組
       byte[] data = new byte[dataLength];
       in.readBytes(data);

       //將字節數組反序列化為java對象(SerializerEngine參考序列化與反序列化章節)
       Object obj = SerializerEngine.deserialize(data, genericClass, serializeType.getCode());
       out.add(obj);
}

開發者ID:yanghuijava，項目名稱:elephant，代碼行數:26，代碼來源:NettyDecoder.java

示例3: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
protected void decode(ChannelHandlerContext paramChannelHandlerContext, ByteBuf paramByteBuf, List<Object> paramList)
        throws Exception {
    paramByteBuf.markReaderIndex();
    byte[] arrayOfByte = new byte[5];
    for(int i = 0; i < arrayOfByte.length; i++) {
        if(!paramByteBuf.isReadable()) {
            paramByteBuf.resetReaderIndex();
            return;
        }
        arrayOfByte[i] = paramByteBuf.readByte();
        if(arrayOfByte[i] >= 0) {
            int j = CodedInputStream.newInstance(arrayOfByte, 0, i + 1).readRawVarint32();
            if(j < 0) {
                throw new CorruptedFrameException("negative length: " + j);
            }
            if(paramByteBuf.readableBytes() < j) {
                paramByteBuf.resetReaderIndex();
                return;
            }
            paramList.add(paramByteBuf.readBytes(j));
            return;
        }
    }
    throw new CorruptedFrameException("length wider than 32-bit");
}

開發者ID:Superioz，項目名稱:MooProject，代碼行數:26，代碼來源:Varint32FrameDecoder.java

示例4: encode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
@Test
public void encode() {
    // Given
    PlayStatePacket expected = createDummyPlayStatePacket();

    ByteBuf buf = ByteBufAllocator.DEFAULT.buffer();
    buf.markReaderIndex();

    // When
    subject.encode(expected, buf);

    // Then
    PlayStatePacket actual = subject.decode(buf);
    assertThat(actual).isEqualTo(expected);
    Truth.assertThat(actual.getPlayState()).isEqualTo(expected.getPlayState());
}

開發者ID:JungleTree，項目名稱:JungleTree，代碼行數:17，代碼來源:PlayStateCodecTest.java

示例5: putBytesReverse

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
/**
 * Puts the bytes from the specified buffer into this packet's buffer, in reverse.
 *
 * @param buffer The source {@link ByteBuf}.
 */
public void putBytesReverse(ByteBuf buffer) {
	byte[] bytes = new byte[buffer.readableBytes()];
	buffer.markReaderIndex();
	try {
		buffer.readBytes(bytes);
	} finally {
		buffer.resetReaderIndex();
	}
	putBytesReverse(bytes);
}

開發者ID:jordanabrahambaws，項目名稱:Quavo，代碼行數:16，代碼來源:GamePacketBuilder.java

示例6: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
	in.markReaderIndex();
	byte[] lengthBytes = new byte[3];

	for (int i = 0; i < 3; i++)
	{
		if (!in.isReadable())
		{
			in.resetReaderIndex();
			return;
		}
		lengthBytes[i] = in.readByte();
		if (lengthBytes[i] >= 0)
		{
			ByteBuf buffer = Unpooled.wrappedBuffer(lengthBytes);

			try
			{
				int packetLength = readVarInt(buffer);
				if (in.readableBytes() < packetLength)
				{
					in.resetReaderIndex();
					return;
				}

				out.add(in.readBytes(packetLength));
			}
			finally
			{
				buffer.release();
			}

			return;
		}
	}
}

開發者ID:Dytanic，項目名稱:CloudNet，代碼行數:38，代碼來源:ProtocolLengthDeserializer.java

示例7: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
  if (!ctx.channel().isOpen()) {
    if (in.readableBytes() > 0) {
      logger.info("Channel is closed, discarding remaining {} byte(s) in buffer.", in.readableBytes());
    }
    in.skipBytes(in.readableBytes());
    return;
  }

  in.markReaderIndex();

  /**
   *  a variable-width message length can be up to five bytes in length. read bytes until we have a length.
   */
  final byte[] buf = new byte[5];
  int length = 0;
  for (int i = 0; i < buf.length; i++) {
    if (!in.isReadable()) {
      in.resetReaderIndex();
      return;
    }

    buf[i] = in.readByte();
    if (buf[i] >= 0) {

      length = CodedInputStream.newInstance(buf, 0, i + 1).readRawVarint32();

      if (length < 0) {
        throw new CorruptedFrameException("negative length: " + length);
      }
      if (length == 0) {
        throw new CorruptedFrameException("Received a message of length 0.");
      }

      if (in.readableBytes() < length) {
        in.resetReaderIndex();
        return;
      } else {
        // complete message in buffer.
        break;
      }
    }
  }

  final ByteBuf frame = in.slice(in.readerIndex(), length);
  try {
    final InboundRpcMessage message = decodeMessage(ctx, frame, length);
    if (message != null) {
      out.add(message);
    }
  } finally {
    in.skipBytes(length);
  }
}

開發者ID:dremio，項目名稱:dremio-oss，代碼行數:56，代碼來源:MessageDecoder.java

示例8: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    Stopwatch watch = Stopwatch.createStarted();

    //        Input input = new Input(new ByteBufInputStream(in));
    //        Object result = kryo.readClassAndObject(input);
    //        out.add(result);
    //        input.close();
    if (in.readableBytes() < HEAD_LENGTH) { //這個HEAD_LENGTH是我們用於表示頭長度的字節數。  由於Encoder中我們傳的是一個int類型的值，所以這裏HEAD_LENGTH的值為4.
        return;
    }
    in.markReaderIndex(); //我們標記一下當前的readIndex的位置
    int dataLength = in.readInt(); // 讀取傳送過來的消息的長度。ByteBuf 的readInt()方法會讓他的readIndex增加4
    if (dataLength < 0) { // 我們讀到的消息體長度為0，這是不應該出現的情況，這裏出現這情況，關閉連接。
        ctx.close();
    }

    if (in.readableBytes() < dataLength) { //讀到的消息體長度如果小於我們傳送過來的消息長度，則resetReaderIndex. 這個配合markReaderIndex使用的。把readIndex重置到mark的地方
        in.resetReaderIndex();
        return;
    }

    byte[] body = new byte[dataLength]; //傳輸正常
    in.readBytes(body);

    RemotingProtocol o = convertToObject(body); //將byte數據轉化為我們需要的對象
    out.add(o);
    if (logger.isDebugEnabled())
        logger.debug("kyro decoder use:" + watch.toString());
}

開發者ID:lemonJun，項目名稱:TakinRPC，代碼行數:31，代碼來源:KyroMsgDecoder.java

示例9: ByteBufStreamInput

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
ByteBufStreamInput(ByteBuf buffer, int length) {
    if (length > buffer.readableBytes()) {
        throw new IndexOutOfBoundsException();
    }
    this.buffer = buffer;
    startIndex = buffer.readerIndex();
    endIndex = startIndex + length;
    buffer.markReaderIndex();
}

開發者ID:justor，項目名稱:elasticsearch_my，代碼行數:10，代碼來源:ByteBufStreamInput.java

示例10: parseFrame

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
private void parseFrame(ByteBuf buffer, List<Object> out) throws Exception {
    buffer.markReaderIndex();
    if (buffer.readableBytes() > FRAME_SIZE_WITHOUT_PAYLOAD) {
        byte type = buffer.readByte();
        int channel = buffer.readShort();
        long payloadSize = buffer.readInt();

        long estimatedRemainingSize = payloadSize + 1;
        if (buffer.readableBytes() < estimatedRemainingSize) {
            buffer.resetReaderIndex();
            return;
        }

        GeneralFrame frame = null;
        switch (type) {
            case 1: // Method
                short amqpClass = buffer.readShort();
                short amqpMethod = buffer.readShort();
                AmqMethodBodyFactory factory = methodRegistry.getFactory(amqpClass, amqpMethod);

                frame = factory.newInstance(buffer, channel, payloadSize);
                break;
            case 2: // Header
                frame = HeaderFrame.parse(buffer, channel);
                break;
            case 3: // Body
                frame = ContentFrame.parse(buffer, channel, payloadSize);
                break;
            case 4: // Heartbeat
                throw new Exception("Method Not implemented");
        }

        byte frameEnd = buffer.readByte();
        if (frameEnd != (byte) GeneralFrame.FRAME_END) {
            throw new Exception("Invalid AMQP frame");
        }

        out.add(frame);
    }
}

開發者ID:wso2，項目名稱:message-broker，代碼行數:41，代碼來源:AmqpDecoder.java

示例11: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
@Override
    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
        if (in.readableBytes() < 4) {
            return;
        }
        in.markReaderIndex();
//        System.out.println(in.order() + "in.readableBytes()" + in.readableBytes());
//        byte[] bs = new byte[in.readableBytes()];
//        in.readBytes(bs);
//        String fullHexDump = ByteUtils.fullHexDump(bs);
//        System.out.println(fullHexDump);
//        System.out.println(new String(bs));
//        in.resetReaderIndex();
//        in.markReaderIndex();
//		byte[] bs=new byte[in.capacity()];
//		in.readBytes(bs);
////		System.out.println(in.readIntLE());
//		ByteUtils.fullHexDump(bs);
//		in.resetReaderIndex();
        int dataLength = in.readInt();
//        System.out.println(dataLength + "======");
        if (in.readableBytes() < dataLength) {
            in.resetReaderIndex();
            return;
        }

        int opcode = in.readInt();
//        System.out.println("opcode=" + opcode);
        byte[] decoded = new byte[dataLength - 4];
        in.readBytes(decoded);

        BaseByteArrayPacket messagePack = new BaseByteArrayPacket(opcode, decoded);

        out.add(messagePack);

    }

開發者ID:zerosoft，項目名稱:CodeBroker，代碼行數:37，代碼來源:ByteArrayPacketCodecDecoder.java

示例12: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
@Override
protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list)
        throws Exception {
    if (byteBuf.readableBytes() < BASE_LENGTH) {
        logger.error("[error] >>> head length error");
        return;
    }

    byteBuf.markReaderIndex();

    CommonProtocol protocol = new CommonProtocol();
    protocol.setMagic(byteBuf.readShort());
    protocol.setVersion(byteBuf.readShort());
    protocol.setType(byteBuf.readShort());


    if(protocol.getType() != 1) {
        //read len error
        if (byteBuf.readableBytes() < 4) {
            byteBuf.resetReaderIndex();
            return;
        }
        protocol.setLen(byteBuf.readInt());

        //read body error
        if (byteBuf.readableBytes() < protocol.getLen()) {
            byteBuf.resetReaderIndex();
            return;
        }

        byte[] data = new byte[protocol.getLen()];


        byteBuf.readBytes(data);
        protocol.setBody(data);
    }
    list.add(protocol);
}

開發者ID:Presageee，項目名稱:DNCF，代碼行數:39，代碼來源:CommonDecoder.java

示例13: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf in, List<Object> out) throws Exception {

        if(in.readableBytes() < 4){
            return;
        }
        in.markReaderIndex();
        int dataLength = in.readInt();
        if(in.readableBytes() < dataLength){
            in.resetReaderIndex();
            return;
        }
        byte[] data = new byte[dataLength];
        in.readBytes(data);
        
        Kryo kryo = null;
        try{
	        kryo = pool.borrow();
	        Input input = new Input(data);
	        Object obj = kryo.readObject(input,this.clazz);
	        out.add(obj);
        }catch(Exception e){
        	LOG.warn("MessageDecoder happen exception.",e);
        }finally{
        	if(kryo != null){
        		pool.release(kryo);
        	}
        }
    }

開發者ID:islittlechen，項目名稱:lionrpc，代碼行數:29，代碼來源:MessageDecoder.java

示例14: decode

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
protected void decode(ChannelHandlerContext p_decode_1_, ByteBuf p_decode_2_, List<Object> p_decode_3_) throws Exception
{
    p_decode_2_.markReaderIndex();
    byte[] abyte = new byte[3];

    for (int i = 0; i < abyte.length; ++i)
    {
        if (!p_decode_2_.isReadable())
        {
            p_decode_2_.resetReaderIndex();
            return;
        }

        abyte[i] = p_decode_2_.readByte();

        if (abyte[i] >= 0)
        {
            PacketBuffer packetbuffer = new PacketBuffer(Unpooled.wrappedBuffer(abyte));

            try
            {
                int j = packetbuffer.readVarIntFromBuffer();

                if (p_decode_2_.readableBytes() >= j)
                {
                    p_decode_3_.add(p_decode_2_.readBytes(j));
                    return;
                }

                p_decode_2_.resetReaderIndex();
            }
            finally
            {
                packetbuffer.release();
            }

            return;
        }
    }

    throw new CorruptedFrameException("length wider than 21-bit");
}

開發者ID:sudofox，項目名稱:Backmemed，代碼行數:43，代碼來源:NettyVarint21FrameDecoder.java

示例15: channelRead

import io.netty.buffer.ByteBuf; //導入方法依賴的package包/類
public void channelRead(ChannelHandlerContext p_channelRead_1_, Object p_channelRead_2_) throws Exception
{
    ByteBuf bytebuf = (ByteBuf)p_channelRead_2_;
    bytebuf.markReaderIndex();
    boolean flag = true;

    try
    {
        if (bytebuf.readUnsignedByte() == 254)
        {
            InetSocketAddress inetsocketaddress = (InetSocketAddress)p_channelRead_1_.channel().remoteAddress();
            MinecraftServer minecraftserver = this.networkSystem.getServer();
            int i = bytebuf.readableBytes();

            switch (i)
            {
                case 0:
                    LOGGER.debug("Ping: (<1.3.x) from {}:{}", new Object[] {inetsocketaddress.getAddress(), Integer.valueOf(inetsocketaddress.getPort())});
                    String s2 = String.format("%s\u00a7%d\u00a7%d", new Object[] {minecraftserver.getMOTD(), Integer.valueOf(minecraftserver.getCurrentPlayerCount()), Integer.valueOf(minecraftserver.getMaxPlayers())});
                    this.writeAndFlush(p_channelRead_1_, this.getStringBuffer(s2));
                    break;
                case 1:

                    if (bytebuf.readUnsignedByte() != 1)
                    {
                        return;
                    }

                    LOGGER.debug("Ping: (1.4-1.5.x) from {}:{}", new Object[] {inetsocketaddress.getAddress(), Integer.valueOf(inetsocketaddress.getPort())});
                    String s = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", new Object[] {Integer.valueOf(127), minecraftserver.getMinecraftVersion(), minecraftserver.getMOTD(), Integer.valueOf(minecraftserver.getCurrentPlayerCount()), Integer.valueOf(minecraftserver.getMaxPlayers())});
                    this.writeAndFlush(p_channelRead_1_, this.getStringBuffer(s));
                    break;
                default:
                    boolean flag1 = bytebuf.readUnsignedByte() == 1;
                    flag1 = flag1 & bytebuf.readUnsignedByte() == 250;
                    flag1 = flag1 & "MC|PingHost".equals(new String(bytebuf.readBytes(bytebuf.readShort() * 2).array(), Charsets.UTF_16BE));
                    int j = bytebuf.readUnsignedShort();
                    flag1 = flag1 & bytebuf.readUnsignedByte() >= 73;
                    flag1 = flag1 & 3 + bytebuf.readBytes(bytebuf.readShort() * 2).array().length + 4 == j;
                    flag1 = flag1 & bytebuf.readInt() <= 65535;
                    flag1 = flag1 & bytebuf.readableBytes() == 0;

                    if (!flag1)
                    {
                        return;
                    }

                    LOGGER.debug("Ping: (1.6) from {}:{}", new Object[] {inetsocketaddress.getAddress(), Integer.valueOf(inetsocketaddress.getPort())});
                    String s1 = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", new Object[] {Integer.valueOf(127), minecraftserver.getMinecraftVersion(), minecraftserver.getMOTD(), Integer.valueOf(minecraftserver.getCurrentPlayerCount()), Integer.valueOf(minecraftserver.getMaxPlayers())});
                    ByteBuf bytebuf1 = this.getStringBuffer(s1);

                    try
                    {
                        this.writeAndFlush(p_channelRead_1_, bytebuf1);
                    }
                    finally
                    {
                        bytebuf1.release();
                    }
            }

            bytebuf.release();
            flag = false;
            return;
        }
    }
    catch (RuntimeException var21)
    {
        return;
    }
    finally
    {
        if (flag)
        {
            bytebuf.resetReaderIndex();
            p_channelRead_1_.channel().pipeline().remove("legacy_query");
            p_channelRead_1_.fireChannelRead(p_channelRead_2_);
        }
    }
}

開發者ID:F1r3w477，項目名稱:CustomWorldGen，代碼行數:81，代碼來源:LegacyPingHandler.java

注：本文中的io.netty.buffer.ByteBuf.markReaderIndex方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。