Availability:
:- use_module(library(http/websocket)).
[det]ws_close(+WebSocket:stream_pair,
+Code, +Data)close
message if this was not already sent and wait for the close reply.
| Code | is the numerical code indicating the close status. This is 16-bit integer. The codes are defined in section 7.4.1. Defined Status Codes of RFC6455. Notably, 1000 indicates a normal closure. |
| Data | is currently interpreted as text. |
- Errors
websocket_error(unexpected_message, Reply)if the other side did not send a close message in reply.