ws_timeout_cancel.erl 777 B

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  1. %% Feel free to use, reuse and abuse the code in this file.
  2. -module(ws_timeout_cancel).
  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(500, self(), should_not_cancel_timer),
  11. {ok, Req, undefined, 1000}.
  12. websocket_handle({text, Data}, Req, State) ->
  13. {reply, {text, Data}, Req, State};
  14. websocket_handle({binary, Data}, Req, State) ->
  15. {reply, {binary, Data}, Req, State}.
  16. websocket_info(_Info, Req, State) ->
  17. erlang:start_timer(500, self(), should_not_cancel_timer),
  18. {ok, Req, State}.
  19. websocket_terminate(_Reason, _Req, _State) ->
  20. ok.