diff options
Diffstat (limited to 'doc/src/guide/ws_handlers.asciidoc')
| -rw-r--r-- | doc/src/guide/ws_handlers.asciidoc | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/doc/src/guide/ws_handlers.asciidoc b/doc/src/guide/ws_handlers.asciidoc index 84dfb9b..a79d7e2 100644 --- a/doc/src/guide/ws_handlers.asciidoc +++ b/doc/src/guide/ws_handlers.asciidoc @@ -57,18 +57,19 @@ be: [source,erlang] ---- -init(Req, State) -> - case cowboy_req:parse_header(<<"sec-websocket-protocol">>, Req) of +init(Req0, State) -> + case cowboy_req:parse_header(<<"sec-websocket-protocol">>, Req0) of undefined -> - {cowboy_websocket, Req, State}; + {cowboy_websocket, Req0, State}; Subprotocols -> case lists:keymember(<<"mqtt">>, 1, Subprotocols) of true -> - Req2 = cowboy_req:set_resp_header(<<"sec-websocket-protocol">>, - <<"mqtt">>, Req), - {cowboy_websocket, Req2, State}; + Req = cowboy_req:set_resp_header(<<"sec-websocket-protocol">>, + <<"mqtt">>, Req0), + {cowboy_websocket, Req, State}; false -> - {stop, Req, State} + Req = cowboy_req:reply(400, Req0), + {ok, Req, State} end end. ---- |