diff options
Diffstat (limited to 'lib/kernel/src/logger_formatter.erl')
| -rw-r--r-- | lib/kernel/src/logger_formatter.erl | 102 |
1 files changed, 71 insertions, 31 deletions
diff --git a/lib/kernel/src/logger_formatter.erl b/lib/kernel/src/logger_formatter.erl index 91283ab299..386e7832e2 100644 --- a/lib/kernel/src/logger_formatter.erl +++ b/lib/kernel/src/logger_formatter.erl @@ -34,6 +34,7 @@ Config :: #{single_line=>boolean(), legacy_header=>boolean(), report_cb=>fun((logger:report()) -> {io:format(),[term()]}), + chars_limit=>pos_integer()| unlimited, max_size=>pos_integer() | unlimited, depth=>pos_integer() | unlimited, template=>template(), @@ -43,19 +44,43 @@ format(#{level:=Level,msg:=Msg0,meta:=Meta},Config0) when is_map(Config0) -> Config = add_default_config(Config0), Meta1 = maybe_add_legacy_header(Level,Meta,Config), - MsgStr0 = format_msg(Msg0,Meta1,Config), + Template = maps:get(template,Config), + {BT,AT0} = lists:splitwith(fun(msg) -> false; (_) -> true end, Template), + {DoMsg,AT} = + case AT0 of + [msg|Rest] -> {true,Rest}; + _ ->{false,AT0} + end, + B = do_format(Level,"",Meta1,BT,Config), + A = do_format(Level,"",Meta1,AT,Config), MsgStr = - case maps:get(single_line,Config) of - true -> - %% Trim leading and trailing whitespaces, and replace - %% newlines with ", " - re:replace(string:trim(MsgStr0),",?\r?\n\s*",", ", - [{return,list},global]); - _false2 -> - MsgStr0 + if DoMsg -> + Config1 = + case maps:get(chars_limit,Config) of + unlimited -> + Config; + Size0 -> + Size = + case Size0 - string:length([B,A]) of + S when S>=0 -> S; + _ -> 0 + end, + Config#{chars_limit=>Size} + end, + MsgStr0 = format_msg(Msg0,Meta1,Config1), + case maps:get(single_line,Config) of + true -> + %% Trim leading and trailing whitespaces, and replace + %% newlines with ", " + re:replace(string:trim(MsgStr0),",?\r?\n\s*",", ", + [{return,list},global]); + _false -> + MsgStr0 + end; + true -> + "" end, - String = do_format(Level,MsgStr,Meta1,maps:get(template,Config),Config), - truncate(String,maps:get(max_size,Config)). + truncate(B ++ MsgStr ++ A,maps:get(max_size,Config)). do_format(Level,Msg,Data,[level|Format],Config) -> [to_string(level,Level,Config)|do_format(Level,Msg,Data,Format,Config)]; @@ -124,24 +149,25 @@ format_msg({report,Report},Meta,Config) -> format_msg({report,Report}, Meta#{report_cb=>fun logger:format_report/1}, Config); -format_msg(Msg,_Meta,Config) -> - limit_depth(Msg, maps:get(depth,Config)). - -limit_depth(Msg,false) -> - Depth = logger:get_format_depth(), - limit_depth(Msg,Depth); -limit_depth({Format,Args},unlimited) -> - try io_lib:format(Format,Args) +format_msg(Msg,_Meta,#{depth:=Depth,chars_limit:=CharsLimit}) -> + limit_size(Msg, Depth, CharsLimit). + +limit_size(Msg,Depth,unlimited) -> + limit_size(Msg,Depth,[]); +limit_size(Msg,Depth,CharsLimit) when is_integer(CharsLimit) -> + limit_size(Msg,Depth,[{chars_limit,CharsLimit}]); +limit_size({Format,Args},unlimited,Opts) when is_list(Opts) -> + try io_lib:format(Format,Args,Opts) catch _:_ -> - io_lib:format("FORMAT ERROR: ~tp - ~tp",[Format,Args]) + io_lib:format("FORMAT ERROR: ~tp - ~tp",[Format,Args],Opts) end; -limit_depth({Format0,Args},Depth) -> +limit_size({Format0,Args},Depth,Opts) when is_integer(Depth) -> try Format1 = io_lib:scan_format(Format0, Args), Format = limit_format(Format1, Depth), - io_lib:build_text(Format) + io_lib:build_text(Format,Opts) catch _:_ -> - limit_depth({"FORMAT ERROR: ~tp - ~tp",[Format0,Args]},Depth) + limit_size({"FORMAT ERROR: ~tp - ~tp",[Format0,Args]},Depth,Opts) end. limit_format([#{control_char:=C0}=M0|T], Depth) when C0 =:= $p; @@ -157,13 +183,15 @@ limit_format([], _) -> truncate(String,unlimited) -> String; -truncate(String,false) -> - Size = logger:get_max_size(), - truncate(String,Size); truncate(String,Size) -> Length = string:length(String), if Length>Size -> - string:slice(String,0,Size-3)++"..."; + case lists:reverse(lists:flatten(String)) of + [$\n|_] -> + string:slice(String,0,Size-4)++"...\n"; + _ -> + string:slice(String,0,Size-3)++"..." + end; true -> String end. @@ -232,13 +260,15 @@ month(12) -> "Dec". utcstr(#{utc:=true}) -> "UTC "; utcstr(_) -> "". -add_default_config(#{utc:=_}=Config) -> +add_default_config(#{utc:=_}=Config0) -> Default = #{legacy_header=>false, single_line=>false, - max_size=>false, - depth=>false}, - add_default_template(maps:merge(Default,Config)); + chars_limit=>unlimited}, + MaxSize = get_max_size(maps:get(max_size,Config0,false)), + Depth = get_depth(maps:get(depth,Config0,false)), + add_default_template(maps:merge(Default,Config0#{max_size=>MaxSize, + depth=>Depth})); add_default_config(Config) -> add_default_config(Config#{utc=>logger:get_utc_config()}). @@ -253,3 +283,13 @@ default_template(#{single_line:=true}) -> ?DEFAULT_FORMAT_TEMPLATE_SINGLE; default_template(_) -> ?DEFAULT_FORMAT_TEMPLATE. + +get_max_size(false) -> + logger:get_max_size(); +get_max_size(S) -> + max(10,S). + +get_depth(false) -> + logger:get_format_depth(); +get_depth(S) -> + max(5,S). |