private void parseDefault() throws IOException {
        attr2Rawdata = new LinkedHashMap<String, DataByteBuffer>(
                attrcnt * 10 / 7);
        for (int i = 0; i < attrcnt; i++) {
            String attr = parsedInput.readUTF();
            int cnt = 0;
            if (version.intValue() == Version.v2.intValue()) {
                cnt = parsedInput.readInt();
            }
            int len = parsedInput.readInt();
            int pos = parsedInput.getPosition();
            attr2Rawdata.put(
                    attr,
                    new DataByteBuffer(cnt, ByteBuffer.wrap(
                            parsedInput.getData(), pos, len)));
            parsedInput.skip(len);
        }
    }
add msg
@param attr
@param data
@return
inlong-common/src/main/java/org/apache/inlong/common/msg/InLongMsg.java