cowboy/manual/cowboy_websocket.md

cowboy_websocket

The cowboy_websocket module implements the Websocket protocol.

The callbacks for websocket handlers are defined in the manual for the cowboy_websocket_handler behaviour.

Types

close_code() = 1000..4999

Reason for closing the connection.

frame() = close | ping | pong

| {text | binary | close | ping | pong, iodata()}
| {close, close_code(), iodata()}

Frames that can be sent to the client.

Meta values

websocket_compress

Type: true | false

Whether a websocket compression extension in in use.

websocket_version

Type: 7 | 8 | 13

The version of the Websocket protocol being used.

Exports

None.