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-rw-r--r--lib/stdlib/src/error_logger_tty_h.erl180
1 files changed, 97 insertions, 83 deletions
diff --git a/lib/stdlib/src/error_logger_tty_h.erl b/lib/stdlib/src/error_logger_tty_h.erl
index 5307dac6d0..5dd8b0caa0 100644
--- a/lib/stdlib/src/error_logger_tty_h.erl
+++ b/lib/stdlib/src/error_logger_tty_h.erl
@@ -35,33 +35,40 @@
-export([write_event/2]).
+-record(st,
+ {user,
+ prev_handler,
+ io_mod=io}).
+
%% This one is used when we takeover from the simple error_logger.
init({[], {error_logger, Buf}}) ->
User = set_group_leader(),
- write_events(Buf,io),
- {ok, {User, error_logger}};
+ State = #st{user=User,prev_handler=error_logger},
+ write_events(State, Buf),
+ {ok, State};
%% This one is used if someone took over from us, and now wants to
%% go back.
init({[], {error_logger_tty_h, PrevHandler}}) ->
User = set_group_leader(),
- {ok, {User, PrevHandler}};
+ {ok, #st{user=User,prev_handler=PrevHandler}};
%% This one is used when we are started directly.
init([]) ->
User = set_group_leader(),
- {ok, {User, []}}.
+ {ok, #st{user=User,prev_handler=[]}}.
handle_event({_Type, GL, _Msg}, State) when node(GL) =/= node() ->
{ok, State};
handle_event(Event, State) ->
- ok = write_event(tag_event(Event),io),
+ ok = do_write_event(State, tag_event(Event)),
{ok, State}.
-handle_info({'EXIT', User, _Reason}, {User, PrevHandler}) ->
+handle_info({'EXIT', User, _Reason},
+ #st{user=User,prev_handler=PrevHandler}=State) ->
case PrevHandler of
[] ->
remove_handler;
_ ->
- {swap_handler, install_prev, {User, PrevHandler},
+ {swap_handler, install_prev, State,
PrevHandler, go_back}
end;
handle_info(_, State) ->
@@ -69,80 +76,95 @@ handle_info(_, State) ->
handle_call(_Query, State) -> {ok, {error, bad_query}, State}.
-% unfortunately, we can't unlink from User - links are not counted!
-% if pid(User) -> unlink(User); true -> ok end,
terminate(install_prev, _State) ->
[];
-terminate(_Reason, {_User, PrevHandler}) ->
+terminate(_Reason, #st{prev_handler=PrevHandler}) ->
{error_logger_tty_h, PrevHandler}.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
+%% Exported (but unoffical) API.
+write_event(Event, IoMod) ->
+ do_write_event(#st{io_mod=IoMod}, Event).
+
+
%%% ------------------------------------------------------
%%% Misc. functions.
%%% ------------------------------------------------------
set_group_leader() ->
case whereis(user) of
- User when is_pid(User) -> link(User), group_leader(User,self()), User;
- _ -> false
+ User when is_pid(User) ->
+ link(User),
+ group_leader(User,self()),
+ User;
+ _ ->
+ false
end.
tag_event(Event) ->
{erlang:universaltime(), Event}.
-%% IOMOd is always 'io'
-write_events(Events,IOMod) -> write_events1(lists:reverse(Events),IOMod).
-
-write_events1([Event|Es],IOMod) ->
- ok = write_event(Event,IOMod),
- write_events1(Es,IOMod);
-write_events1([],_IOMod) ->
+write_events(State, [Ev|Es]) ->
+ %% Write the events in reverse order.
+ _ = write_events(State, Es),
+ _ = do_write_event(State, Ev),
+ ok;
+write_events(_State, []) ->
ok.
-write_event({Time, {error, _GL, {Pid, Format, Args}}},IOMod) ->
- T = write_time(maybe_utc(Time)),
- case catch io_lib:format(add_node(Format,Pid), Args) of
- S when is_list(S) ->
- format(IOMod, T ++ S);
- _ ->
- F = add_node("ERROR: ~p - ~p~n", Pid),
- format(IOMod, T ++ F, [Format,Args])
+do_write_event(State, {Time0, Event}) ->
+ case parse_event(Event) of
+ ignore ->
+ ok;
+ {Head,Pid,FormatList} ->
+ Time = maybe_utc(Time0),
+ Header = write_time(Time, Head),
+ Body = format_body(State, FormatList),
+ AtNode = if
+ node(Pid) =/= node() ->
+ ["** at node ",atom_to_list(node(Pid))," **\n"];
+ true ->
+ []
+ end,
+ Str = [Header,Body,AtNode],
+ case State#st.io_mod of
+ io_lib ->
+ Str;
+ io ->
+ io:put_chars(user, Str)
+ end
end;
-write_event({Time, {error_report, _GL, {Pid, std_error, Rep}}},IOMod) ->
- T = write_time(maybe_utc(Time)),
- S = format_report(Rep),
- format(IOMod, T ++ S ++ add_node("", Pid));
-write_event({Time, {info_report, _GL, {Pid, std_info, Rep}}},IOMod) ->
- T = write_time(maybe_utc(Time), "INFO REPORT"),
- S = format_report(Rep),
- format(IOMod, T ++ S ++ add_node("", Pid));
-write_event({Time, {info_msg, _GL, {Pid, Format, Args}}},IOMod) ->
- T = write_time(maybe_utc(Time), "INFO REPORT"),
- case catch io_lib:format(add_node(Format,Pid), Args) of
- S when is_list(S) ->
- format(IOMod, T ++ S);
- _ ->
- F = add_node("ERROR: ~p - ~p~n", Pid),
- format(IOMod, T ++ F, [Format,Args])
- end;
-write_event({Time, {warning_report, _GL, {Pid, std_warning, Rep}}},IOMod) ->
- T = write_time(maybe_utc(Time), "WARNING REPORT"),
- S = format_report(Rep),
- format(IOMod, T ++ S ++ add_node("", Pid));
-write_event({Time, {warning_msg, _GL, {Pid, Format, Args}}},IOMod) ->
- T = write_time(maybe_utc(Time), "WARNING REPORT"),
- case catch io_lib:format(add_node(Format,Pid), Args) of
- S when is_list(S) ->
- format(IOMod, T ++ S);
- _ ->
- F = add_node("ERROR: ~p - ~p~n", Pid),
- format(IOMod, T ++ F, [Format,Args])
- end;
-write_event({_Time, _Error},_IOMod) ->
+do_write_event(_, _) ->
ok.
+format_body(State, [{Format,Args}|T]) ->
+ S = try io_lib:format(Format, Args) of
+ S0 ->
+ S0
+ catch
+ _:_ ->
+ io_lib:format("ERROR: ~p - ~p\n", [Format,Args])
+ end,
+ [S|format_body(State, T)];
+format_body(_State, []) ->
+ [].
+
+parse_event({error, _GL, {Pid, Format, Args}}) ->
+ {"ERROR REPORT",Pid,[{Format,Args}]};
+parse_event({info_msg, _GL, {Pid, Format, Args}}) ->
+ {"INFO REPORT",Pid,[{Format, Args}]};
+parse_event({warning_msg, _GL, {Pid, Format, Args}}) ->
+ {"WARNING REPORT",Pid,[{Format,Args}]};
+parse_event({error_report, _GL, {Pid, std_error, Args}}) ->
+ {"ERROR REPORT",Pid,format_term(Args)};
+parse_event({info_report, _GL, {Pid, std_info, Args}}) ->
+ {"INFO REPORT",Pid,format_term(Args)};
+parse_event({warning_report, _GL, {Pid, std_warning, Args}}) ->
+ {"WARNING REPORT",Pid,format_term(Args)};
+parse_event(_) -> ignore.
+
maybe_utc(Time) ->
UTC = case application:get_env(sasl, utc_log) of
{ok, Val} -> Val;
@@ -158,33 +180,26 @@ maybe_utc(Time) ->
maybe_utc(Time, true) -> {utc, Time};
maybe_utc(Time, _) -> {local, calendar:universal_time_to_local_time(Time)}.
-format(IOMod, String) -> format(IOMod, String, []).
-format(io_lib, String, Args) -> io_lib:format(String, Args);
-format(io, String, Args) -> io:format(user, String, Args).
-
-format_report(Rep) when is_list(Rep) ->
- case string_p(Rep) of
+format_term(Term) when is_list(Term) ->
+ case string_p(Term) of
true ->
- io_lib:format("~s~n",[Rep]);
- _ ->
- format_rep(Rep)
+ [{"~s\n",[Term]}];
+ false ->
+ format_term_list(Term)
end;
-format_report(Rep) ->
- io_lib:format("~p~n",[Rep]).
-
-format_rep([{Tag,Data}|Rep]) ->
- io_lib:format(" ~p: ~p~n",[Tag,Data]) ++ format_rep(Rep);
-format_rep([Other|Rep]) ->
- io_lib:format(" ~p~n",[Other]) ++ format_rep(Rep);
-format_rep(_) ->
- [].
+format_term(Term) ->
+ [{"~p\n",[Term]}].
-add_node(X, Pid) when is_atom(X) ->
- add_node(atom_to_list(X), Pid);
-add_node(X, Pid) when node(Pid) =/= node() ->
- lists:concat([X,"** at node ",node(Pid)," **~n"]);
-add_node(X, _) ->
- X.
+format_term_list([{Tag,Data}|T]) ->
+ [{" ~p: ~p\n",[Tag,Data]}|format_term_list(T)];
+format_term_list([Data|T]) ->
+ [{" ~p\n",[Data]}|format_term_list(T)];
+format_term_list([]) ->
+ [];
+format_term_list(_) ->
+ %% Continue to allow non-proper lists for now.
+ %% FIXME: Remove this clause in OTP 19.
+ [].
string_p([]) ->
false;
@@ -208,7 +223,6 @@ string_p1([H|T]) when is_list(H) ->
string_p1([]) -> true;
string_p1(_) -> false.
-write_time(Time) -> write_time(Time, "ERROR REPORT").
write_time({utc,{{Y,Mo,D},{H,Mi,S}}},Type) ->
io_lib:format("~n=~s==== ~p-~s-~p::~s:~s:~s UTC ===~n",
[Type,D,month(Mo),Y,t(H),t(Mi),t(S)]);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 13:55:48 +0000