Example usage for io.netty.buffer ByteBuf readByte

Introduction

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

Prototype

public abstract byte readByte();

Source Link

Document

Gets a byte at the current readerIndex and increases the readerIndex by 1 in this buffer.

Usage

From source file:com.mpush.api.protocol.Packet.java

License:Apache License

public static Packet decodePacket(Packet packet, ByteBuf in, int bodyLength) {
    packet.cc = in.readShort();//read cc
    packet.flags = in.readByte();//read flags
    packet.sessionId = in.readInt();//read sessionId
    packet.lrc = in.readByte();//read lrc

    //read body/*from  w w  w.j  a va2s  . c om*/
    if (bodyLength > 0) {
        in.readBytes(packet.body = new byte[bodyLength]);
    }
    return packet;
}

From source file:com.mpush.common.message.ByteBufMessage.java

License:Apache License

public byte decodeByte(ByteBuf body) {
    return body.readByte();
}

From source file:com.mpush.netty.codec.PacketDecoder.java

License:Apache License

private void decodeHeartbeat(ByteBuf in, List<Object> out) {
    while (in.isReadable()) {
        if (in.readByte() == Packet.HB_PACKET_BYTE) {
            out.add(Packet.HB_PACKET);/*from  w w  w  .ja  va 2s  .c  om*/
        } else {
            in.readerIndex(in.readerIndex() - 1);
            break;
        }
    }
}

From source file:com.mpush.netty.codec.PacketDecoder.java

License:Apache License

private Packet decodeFrame(ByteBuf in) {
    int readableBytes = in.readableBytes();
    int bodyLength = in.readInt();
    if (readableBytes < (bodyLength + Packet.HEADER_LEN)) {
        return null;
    }/*from   www .  ja  va  2 s  .c  o  m*/
    if (bodyLength > maxPacketSize) {
        throw new TooLongFrameException("packet body length over limit:" + bodyLength);
    }
    return decodePacket(new Packet(in.readByte()), in, bodyLength);
}

From source file:com.mpush.netty.codec.PacketDecoder.java

License:Apache License

public static Packet decodeFrame(DatagramPacket frame) {
    ByteBuf in = frame.content();
    int readableBytes = in.readableBytes();
    int bodyLength = in.readInt();
    if (readableBytes < (bodyLength + Packet.HEADER_LEN)) {
        return null;
    }//from  www. j  a va2  s .  co m

    return decodePacket(new UDPPacket(in.readByte(), frame.sender()), in, bodyLength);
}

From source file:com.nanxiaoqiang.test.netty.protocol.demo1.codec.NettyMessageDecoder.java

License:Apache License

@Override
protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
    ByteBuf frame = (ByteBuf) super.decode(ctx, in);
    if (frame == null) {
        return null;// ?
    }/*from  w  w w  . j ava  2 s  .  c o  m*/

    NettyMessage message = new NettyMessage();
    Header header = new Header();
    header.setCrcCode(frame.readInt());
    header.setLength(frame.readInt());
    header.setSessionID(frame.readLong());
    header.setType(frame.readByte());
    header.setPriority(frame.readByte());

    int size = frame.readInt();// ?Header?
    if (size > 0) {
        Map<String, Object> attch = new HashMap<String, Object>(size);
        int keySize = 0;
        byte[] keyArray = null;
        String key = null;
        for (int i = 0; i < size; i++) {
            keySize = frame.readInt();
            keyArray = new byte[keySize];
            frame.readBytes(keyArray);
            key = new String(keyArray, "UTF-8");// keyUTF-8String
            attch.put(key, marshallingDecoder.decode(frame));
        }
        keyArray = null;
        key = null;
        header.setAttachment(attch);
    }
    // Header End
    if (frame.readableBytes() > 4) {
        message.setBody(marshallingDecoder.decode(frame));// 4Data
    }
    message.setHeader(header);
    return message;
}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyBackendHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) {
    ByteBuf buf = (ByteBuf) msg;
    System.out.println("channelRead:" + ByteBufUtil.hexDump((buf)));
    while (buf.readableBytes() > 0) {

        int payload = buf.readUnsignedMedium();
        int frameType = buf.readByte();
        Http2Flags flags = new Http2Flags(buf.readUnsignedByte());
        int streamId = readUnsignedInt(buf);
        ByteBuf payloadBuf = buf.readBytes(payload);
        ByteBuf copy = ctx.alloc().buffer();
        System.out.println("frame_type:" + frameType + "," + ByteBufUtil.hexDump((payloadBuf)));
        switch (frameType) {
        case Http2FrameTypes.SETTINGS:
            handleSettingFrame(ctx, flags);
            break;
        case Http2FrameTypes.WINDOW_UPDATE:
            handleWindowsUpdateFrame(ctx);
            break;
        case Http2FrameTypes.HEADERS:

            copy.writeMedium(payload);/*from w w  w  . j  a va  2s  .  c o  m*/
            copy.writeByte(frameType);
            copy.writeByte(flags.value());
            copy.writeInt(streamId);
            copy.writeBytes(payloadBuf);
            forward(ctx, copy);
            break;
        case Http2FrameTypes.DATA:
            copy.writeMedium(payload);
            copy.writeByte(frameType);
            copy.writeByte(flags.value());
            copy.writeInt(streamId);
            copy.writeBytes(payloadBuf);
            forward(ctx, copy);
            break;
        default:
            break;

        }
    }

}

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

private void readFrame(final ChannelHandlerContext ctx, ByteBuf buf) {
    if (first) {/*from ww  w  .j  a v  a  2s . c o m*/
        try {
            readClientPrefaceString(buf);
        } catch (Http2Exception e) {
            e.printStackTrace();
        }
        first = false;
    }

    while (buf.readableBytes() > 0) {

        int payload = buf.readUnsignedMedium();
        int frameType = buf.readByte();
        Http2Flags flags = new Http2Flags(buf.readUnsignedByte());
        int streamId = readUnsignedInt(buf);
        ByteBuf payloadBuf = buf.readBytes(payload);
        ByteBuf copy = ctx.alloc().buffer();
        switch (frameType) {
        case Http2FrameTypes.SETTINGS:
            handleSettingFrame(ctx, flags);
            break;
        case Http2FrameTypes.WINDOW_UPDATE:
            handleWindowsUpdateFrame(ctx);
            break;
        case Http2FrameTypes.HEADERS:

            copy.writeMedium(payload);
            copy.writeByte(frameType);
            copy.writeByte(flags.value());
            copy.writeInt(streamId);
            copy.writeBytes(payloadBuf);
            handleHeaderFrame(ctx, copy, streamId);
            break;
        case Http2FrameTypes.DATA:
            copy.writeMedium(payload);
            copy.writeByte(frameType);
            copy.writeByte(flags.value());
            copy.writeInt(streamId);
            copy.writeBytes(payloadBuf);
            handleDataFrame(ctx, copy, streamId);
            break;
        default:
            break;

        }
    }
}

From source file:com.ogarproject.ogar.server.net.packet.Packet.java

License:Open Source License

public static String readUTF8(ByteBuf in) {
    ByteBuf buffer = in.alloc().buffer();
    byte b;//  w w w  . j  a  v a2  s . co  m
    while (in.readableBytes() > 0 && (b = in.readByte()) != 0) {
        buffer.writeByte(b);
    }

    return buffer.toString(Charsets.UTF_8);
}

From source file:com.oskm.netty.DiscardServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    // TODO Auto-generated method stub
    ByteBuf in = (ByteBuf) msg;

    try {//from   ww w  .  ja va 2 s.  c  o  m
        while (in.isReadable()) {
            System.out.print((char) in.readByte());
            System.out.flush();
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        ReferenceCountUtil.release(msg);

    }
}