:sig
u8 ws_opcode()

:params
return value : opcode of the current WebSocket message

:see
>websocket

:content
Returns the opcode of the message currently being handled by `WS(Request& context)`.

Common values are:

- `0x1` for text messages
- `0x2` for binary messages

Related:

- PHP: WebSocket connection metadata and send APIs in Ratchet, Workerman, or similar server frameworks
- JavaScript / Node.js: browser `WebSocket` properties and Node `ws` server-side connection inspection and send methods