24.6 Websocket opcode ¶

Opcode defines the interpretation of "Payload data". If an unknown opcode is received, the receiving endpoint’s WebSocket connection will fail.

;;  check if it's a continuation frame
(is-continue-frame? opcode)

;;  check if it's text frame
(is-text-frame? opcode)

;; check if it's binary frame
(is-binary-frame? opcode)

;; check if it's control frame
(is-control-frame? opcode)
(is-non-control-frame? opcode)

;;  websocket requires closing
(is-close-frame? opcode)

;;  check if it's a ping frame
(is-ping-frame? opcode)

;;  check if it's a pong frame
(is-pong-frame? opcode)

;;  %xB-F are reserved for further control frames
(is-reserved-frame? opcode)