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-rw-r--r--doc/src/guide/ws_handlers.asciidoc15
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.
----