ControlFrameHandler returns FrameHandlerFunc for handling control frames.

NewCipherReader creates xor-cipher reader from r with given mask.

NewCipherWriter creates xor-cipher writer to w with given mask.

NewClientSideReader is a helper function that calls NewReader with r and ws.StateClientSide.

NewReader creates new frame reader that reads from r keeping given state to make some protocol validity checks when it needed.

NewServerSideReader is a helper function that calls NewReader with r and ws.StateServerSide.

NextReader prepares next message read from r.

ReadHeader reads a frame header from r.

CipherReader implements io.Reader that applies xor-cipher to the bytes read from source.

CipherWriter implements io.Writer that applies xor-cipher to the bytes written to the destination writer.

ControlHandler contains logic of handling control frames.

Reader is a wrapper around source io.Reader which represents WebSocket connection.