Reads the specified number of bits from Read Buffer.

Advances the Read buffer by 5 bytes to make room for reading next 24 bits.

Decodes the next Huffman code from bit-stream.

Decodes Huffman trees from input stream and constructs lookup tables. @param group target POJO @param br data source

Initializes the Huffman tree group. @param group POJO to be initialised @param alphabetSize the maximal alphabet size in this group @param n number o

{@inheritDoc}

Associate input with decoder state. @param state uninitialized state without associated input @param input compressed data source

Builds Huffman lookup table assuming code lengths are in symbol order.

Decodes a number in the range [0..255], by reading 1 - 11 bits.

Fills byte array with zeroes. <p> Current implementation uses {@link System#arraycopy}, so it should be used for length not less than 16. @param des

发送心跳包的间隔 @return 心跳包间隔时间，毫秒

Returns reverse(reverse(key, len) + 1, len). <p> reverse(key, len) is the bit-wise reversal of the len least significant bits of key.

Stores {@code item} in {@code table[0], table[step], table[2 step] .., table[end]}. <p> Assumes that end is an integer multiple of step.

Translates bytes to ints. NB: intLen == 4 byteSize! NB: intLen should be less or equal to intBuffer length.

配置文件的名称 @return 配置文件的名称

心跳包 @return 心跳包的 ByteBuf

弹幕机域名 @return 域名字符串

处理收到的信息 @param webSocketFrame webSocketFrame websocket 数据 @throws Exception 读取数据时发生的异常

Initialize bit reader. <p> Initialisation turns bit reader to a ready state. Also a number of bytes is prefetched to accumulator. Because of that thi

弹幕机连接后的首次通信 @param client WebSocket 客户端