http_errors.erl 1.2 KB

123456789101112131415161718192021222324252627282930313233343536
  1. %% Feel free to use, reuse and abuse the code in this file.
  2. -module(http_errors).
  3. -export([init/2]).
  4. -export([handle/2]).
  5. init(Req, _Opts) ->
  6. #{'case' := Case} = cowboy_req:match_qs(Req, ['case']),
  7. case_init(Case, Req).
  8. case_init(<<"init_before_reply">> = Case, _Req) ->
  9. cowboy_error_h:ignore(?MODULE, case_init, 2),
  10. error(Case);
  11. case_init(<<"init_after_reply">> = Case, Req) ->
  12. cowboy_error_h:ignore(?MODULE, case_init, 2),
  13. _ = cowboy_req:reply(200, [], "http_handler_crashes", Req),
  14. error(Case);
  15. case_init(<<"init_reply_handle_error">> = Case, Req) ->
  16. Req1 = cowboy_req:reply(200, [], "http_handler_crashes", Req),
  17. {http, Req1, Case};
  18. case_init(<<"handle_before_reply">> = Case, Req) ->
  19. {http, Req, Case};
  20. case_init(<<"handle_after_reply">> = Case, Req) ->
  21. {http, Req, Case}.
  22. handle(_Req, <<"init_reply_handle_error">> = Case) ->
  23. cowboy_error_h:ignore(?MODULE, handle, 2),
  24. error(Case);
  25. handle(_Req, <<"handle_before_reply">> = Case) ->
  26. cowboy_error_h:ignore(?MODULE, handle, 2),
  27. error(Case);
  28. handle(Req, <<"handle_after_reply">> = Case) ->
  29. cowboy_error_h:ignore(?MODULE, handle, 2),
  30. _ = cowboy_req:reply(200, [], "http_handler_crashes", Req),
  31. error(Case).