SWI-Prolog -- ws_close/3

Did you know ...

Search Documentation:

Predicate ws_close/3

HOME
DOWNLOAD
DOCUMENTATION
- Manual
- Packages
- FAQ
- Command line
- PlDoc
- Bluffers▶
- License
- Publications
- Rev 7 Extensions
TUTORIALS
- Beginner▶
- Advanced▶
- Web applications▶
- Semantic web▶
  - ClioPatria
  - RDF namespaces
- Graphics▶
  - XPCE
  - GUI options
- Machine learning▶
  - Probabilistic Logic Programming
- External collections▶
  - Meta level tutorials
- For packagers▶
  - Linux packages
COMMUNITY
COMMERCIAL
WIKI
- Login
- View changes
- Sandbox
- Wiki help
- All tags

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - library(http/websocket): WebSocket support

Availability::- use_module(library(http/websocket)).

Source

[det]ws_close(+WebSocket:stream_pair, +Code, +Data)

Close a WebSocket connection by sending a 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.