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d1b65a67cf
After the switch to Websocket, we are no longer in a request/response scenario, therefore a lot of the cowboy_req functions do not apply anymore. Any data required from the request will need to be taken from Req in init/2 and saved in the handler's state.
18 lines
481 B
Erlang
18 lines
481 B
Erlang
%% Feel free to use, reuse and abuse the code in this file.
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-module(ws_subprotocol).
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-export([init/2]).
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-export([websocket_handle/2]).
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-export([websocket_info/2]).
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init(Req, Opts) ->
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[Protocol | _] = cowboy_req:parse_header(<<"sec-websocket-protocol">>, Req),
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Req2 = cowboy_req:set_resp_header(<<"sec-websocket-protocol">>, Protocol, Req),
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{cowboy_websocket, Req2, Opts, 1000}.
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websocket_handle(_Frame, State) ->
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{ok, State}.
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websocket_info(_Info, State) ->
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{ok, State}.
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