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2374aa7e07
The implementation is only partial for now but should work for all browsers implementing it.
35 lines
978 B
Erlang
35 lines
978 B
Erlang
%% Feel free to use, reuse and abuse the code in this file.
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-module(websocket_handler).
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-behaviour(cowboy_http_handler).
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-behaviour(cowboy_http_websocket_handler).
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-export([init/3, handle/2, terminate/2]).
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-export([websocket_init/3, websocket_handle/3,
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websocket_info/3, websocket_terminate/3]).
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init(_Any, _Req, _Opts) ->
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{upgrade, protocol, cowboy_http_websocket}.
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handle(_Req, _State) ->
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exit(badarg).
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terminate(_Req, _State) ->
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exit(badarg).
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websocket_init(_TransportName, Req, _Opts) ->
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erlang:start_timer(1000, self(), <<"websocket_init">>),
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{ok, Req, undefined}.
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websocket_handle({text, Data}, Req, State) ->
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{reply, {text, Data}, Req, State};
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websocket_handle(_Frame, Req, State) ->
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{ok, Req, State}.
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websocket_info({timeout, _Ref, Msg}, Req, State) ->
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erlang:start_timer(1000, self(), <<"websocket_handle">>),
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{reply, {text, Msg}, Req, State};
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websocket_info(_Info, Req, State) ->
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{ok, Req, State}.
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websocket_terminate(_Reason, _Req, _State) ->
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ok.
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