Example usage for io.netty.handler.codec TooLongFrameException TooLongFrameException

Introduction

In this page you can find the example usage for io.netty.handler.codec TooLongFrameException TooLongFrameException.

Prototype

public TooLongFrameException() 

Source Link

Document

Creates a new instance.

Usage

From source file:io.awacs.protocol.binary.BinaryMessageDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    int readable = in.readableBytes();
    if (readable > BinaryMessage.MAX_PACKET_SIZE) {
        in.skipBytes(readable);//from  w w  w  .  j  ava  2s. co m
        throw new TooLongFrameException();
    }
    //???
    if (readable < 16) {
        return;
    }
    byte[] headerBytes = new byte[16];
    in.readBytes(headerBytes, 0, 16);
    int bodyLength = BinaryMessage.bodyLength(headerBytes);
    //body??body
    if (in.readableBytes() < bodyLength) {
        in.resetReaderIndex();
        return;
    }
    byte[] bodyBytes = new byte[bodyLength];
    in.readBytes(bodyBytes, 0, bodyLength);
    //        byte[] copy = new byte[16 + bodyLength];
    //        System.arraycopy(headerBytes, 0, copy, 0, 16);
    //        System.arraycopy(bodyBytes, 0, copy, 16, bodyLength);
    Message m = BinaryMessage.parse(headerBytes, bodyBytes);
    in.markReaderIndex();

    out.add(m);
}

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