aboutsummaryrefslogtreecommitdiffstats
path: root/test/cowboy_error_h.erl
diff options
context:
space:
mode:
Diffstat (limited to 'test/cowboy_error_h.erl')
-rw-r--r--test/cowboy_error_h.erl145
1 files changed, 0 insertions, 145 deletions
diff --git a/test/cowboy_error_h.erl b/test/cowboy_error_h.erl
deleted file mode 100644
index b4ae78f..0000000
--- a/test/cowboy_error_h.erl
+++ /dev/null
@@ -1,145 +0,0 @@
-%% Copyright (c) 2014, Loïc Hoguin <[email protected]>
-%%
-%% Permission to use, copy, modify, and/or distribute this software for any
-%% purpose with or without fee is hereby granted, provided that the above
-%% copyright notice and this permission notice appear in all copies.
-%%
-%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
--module(cowboy_error_h).
--behaviour(gen_event).
-
-%% Public interface.
--export([ignore/3]).
-
-%% gen_event.
--export([init/1]).
--export([handle_event/2]).
--export([handle_call/2]).
--export([handle_info/2]).
--export([terminate/2]).
--export([code_change/3]).
-
-%% Public interface.
-
-%% Ignore crashes from Pid occuring in M:F/A.
-ignore(M, F, A) ->
- gen_event:call(error_logger, ?MODULE, {expect, {self(), M, F, A}}).
-
-%% gen_event.
-
-init(_) ->
- spawn(fun() -> error_logger:tty(false) end),
- {ok, []}.
-
-%% Ignore supervisor and progress reports.
-handle_event({info_report, _, {_, progress, _}}, State) ->
- {ok, State};
-handle_event({info_report, _, {_, std_info, _}}, State) ->
- {ok, State};
-handle_event({error_report, _, {_, supervisor_report, _}}, State) ->
- {ok, State};
-%% Ignore gun retry failures.
-handle_event({error_report, _, {_, crash_report,
- [[{initial_call, {gun, init, _}}, _, _,
- {error_info, {error, gone, _}}|_]|_]}},
- State) ->
- {ok, State};
-%% Ignore emulator reports that are a duplicate of what Ranch gives us.
-%%
-%% The emulator always sends strings for errors, which makes it very
-%% difficult to extract the information we need, hence the regexps.
-handle_event(Event = {error, GL, {emulator, _, Msg}}, State)
- when node(GL) =:= node() ->
- Result = re:run(Msg,
- "Error in process ([^\s]+).+? with exit value: "
- ".+?{stacktrace,\\[{([^,]+),([^,]+),(.+)",
- [{capture, all_but_first, list}]),
- case Result of
- nomatch ->
- write_event(Event),
- {ok, State};
- {match, [PidStr, MStr, FStr, Rest]} ->
- A = case Rest of
- "[]" ++ _ ->
- 0;
- "[" ++ Rest2 ->
- count_args(Rest2, 1, 0);
- _ ->
- {match, [AStr]} = re:run(Rest, "([^,]+).+",
- [{capture, all_but_first, list}]),
- list_to_integer(AStr)
- end,
- Crash = {list_to_pid(PidStr), list_to_existing_atom(MStr),
- list_to_existing_atom(FStr), A},
- case lists:member(Crash, State) of
- true ->
- {ok, lists:delete(Crash, State)};
- false ->
- write_event(Event),
- {ok, State}
- end
- end;
-handle_event(Event = {error, GL,
- {_, "Ranch listener" ++ _, [_, _, Pid, {[_, _,
- {stacktrace, [{M, F, A, _}|_]}|_], _}]}},
- State) when node(GL) =:= node() ->
- A2 = if is_list(A) -> length(A); true -> A end,
- Crash = {Pid, M, F, A2},
- case lists:member(Crash, State) of
- true ->
- {ok, lists:delete(Crash, State)};
- false ->
- write_event(Event),
- {ok, State}
- end;
-handle_event(Event = {_, GL, _}, State) when node(GL) =:= node() ->
- write_event(Event),
- {ok, State};
-handle_event(_, State) ->
- {ok, State}.
-
-handle_call({expect, Crash}, State) ->
- {ok, ok, [Crash, Crash|State]};
-handle_call(_, State) ->
- {ok, {error, bad_query}, State}.
-
-handle_info(_, State) ->
- {ok, State}.
-
-terminate(_, _) ->
- spawn(fun() -> error_logger:tty(true) end),
- ok.
-
-code_change(_, State, _) ->
- {ok, State}.
-
-%% Internal.
-
-write_event(Event) ->
- error_logger_tty_h:write_event(
- {erlang:universaltime(), Event},
- io).
-
-count_args("]" ++ _, N, 0) ->
- N;
-count_args("]" ++ Tail, N, Levels) ->
- count_args(Tail, N, Levels - 1);
-count_args("[" ++ Tail, N, Levels) ->
- count_args(Tail, N, Levels + 1);
-count_args("}" ++ Tail, N, Levels) ->
- count_args(Tail, N, Levels - 1);
-count_args("{" ++ Tail, N, Levels) ->
- count_args(Tail, N, Levels + 1);
-count_args("," ++ Tail, N, Levels = 0) ->
- count_args(Tail, N + 1, Levels);
-count_args("," ++ Tail, N, Levels) ->
- count_args(Tail, N, Levels);
-count_args([_|Tail], N, Levels) ->
- count_args(Tail, N, Levels).