ws_echo_timer.erl 945 B

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  1. %% Feel free to use, reuse and abuse the code in this file.
  2. -module(ws_echo_timer).
  3. -behaviour(cowboy_websocket_handler).
  4. -export([init/3]).
  5. -export([websocket_init/3, websocket_handle/3,
  6. websocket_info/3, websocket_terminate/3]).
  7. init(_Any, _Req, _Opts) ->
  8. {upgrade, protocol, cowboy_websocket}.
  9. websocket_init(_TransportName, Req, _Opts) ->
  10. erlang:start_timer(1000, self(), <<"websocket_init">>),
  11. Req2 = cowboy_req:compact(Req),
  12. {ok, Req2, undefined}.
  13. websocket_handle({text, Data}, Req, State) ->
  14. {reply, {text, Data}, Req, State};
  15. websocket_handle({binary, Data}, Req, State) ->
  16. {reply, {binary, Data}, Req, State};
  17. websocket_handle(_Frame, Req, State) ->
  18. {ok, Req, State}.
  19. websocket_info({timeout, _Ref, Msg}, Req, State) ->
  20. erlang:start_timer(1000, self(), <<"websocket_handle">>),
  21. {reply, {text, Msg}, Req, State};
  22. websocket_info(_Info, Req, State) ->
  23. {ok, Req, State}.
  24. websocket_terminate(_Reason, _Req, _State) ->
  25. ok.