選択できるのは25トピックまでです。
トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
630 行
22 KiB
630 行
22 KiB
-module(rumUtil).
|
|
|
|
-include("rumCom.hrl").
|
|
-include("rumDef.hrl").
|
|
-include_lib("kernel/include/file.hrl").
|
|
|
|
-compile(inline).
|
|
-compile({inline_size, 128}).
|
|
|
|
-export([
|
|
levels/0
|
|
, levelToNum/1
|
|
, levelToChr/1
|
|
, numToLevel/1
|
|
, validateLogLevel/1
|
|
, configToMask/1
|
|
, atomCfgToLevels/1
|
|
, maskToLevels/1
|
|
, nowMs/0
|
|
, msToBinStr/0
|
|
, msToBinStr/1
|
|
, parseRotateSpec/1
|
|
, calcNextRotateMs/1
|
|
, calcNextRotateMs/2
|
|
, calcNextRotateDt/2
|
|
, validate_trace/1
|
|
, check_traces/4
|
|
, isLoggAble/3
|
|
, trace_filter/1
|
|
, trace_filter/2
|
|
, parsePath/1
|
|
, find_file/2
|
|
, checkHwm/1
|
|
, checkHwm/2
|
|
, makeInnerSinkName/1
|
|
, maybeFlush/2
|
|
, isFileChanged/3
|
|
, get_env/2
|
|
, get_opt/3
|
|
]).
|
|
|
|
levels() ->
|
|
[debug, info, notice, warning, error, critical, alert, emergency, none].
|
|
|
|
levelToNum(debug) -> ?debug;
|
|
levelToNum(info) -> ?info;
|
|
levelToNum(notice) -> ?notice;
|
|
levelToNum(warning) -> ?warning;
|
|
levelToNum(error) -> ?error;
|
|
levelToNum(critical) -> ?critical;
|
|
levelToNum(alert) -> ?alert;
|
|
levelToNum(emergency) -> ?emergency;
|
|
levelToNum(none) -> ?none.
|
|
|
|
numToLevel(?debug) -> debug;
|
|
numToLevel(?info) -> info;
|
|
numToLevel(?notice) -> notice;
|
|
numToLevel(?warning) -> warning;
|
|
numToLevel(?error) -> error;
|
|
numToLevel(?critical) -> critical;
|
|
numToLevel(?alert) -> alert;
|
|
numToLevel(?emergency) -> emergency;
|
|
numToLevel(?none) -> none.
|
|
|
|
levelToChr(debug) -> $D;
|
|
levelToChr(info) -> $I;
|
|
levelToChr(notice) -> $N;
|
|
levelToChr(warning) -> $W;
|
|
levelToChr(error) -> $E;
|
|
levelToChr(critical) -> $C;
|
|
levelToChr(alert) -> $A;
|
|
levelToChr(emergency) -> $M;
|
|
levelToChr(none) -> $ .
|
|
|
|
-spec validateLogLevel(atom()|string()) -> false | rumMaskLevel().
|
|
validateLogLevel(Level) ->
|
|
try rumUtil:configToMask(Level) of
|
|
Levels ->
|
|
Levels
|
|
catch
|
|
_:_ ->
|
|
false
|
|
end.
|
|
|
|
-spec configToMask(atom()|string()) -> rumMaskLevel().
|
|
configToMask(Conf) ->
|
|
Levels = atomCfgToLevels(Conf),
|
|
levelsToMask(Levels, 0).
|
|
|
|
-spec levelsToMask([rumAtomLevel()], rumMaskLevel()) -> rumMaskLevel().
|
|
levelsToMask([], Acc) ->
|
|
Acc;
|
|
levelsToMask([Level | Left], Acc) ->
|
|
levelsToMask(Left, levelToNum(Level) bor Acc).
|
|
|
|
-spec maskToLevels(rumMaskLevel()) -> [rumAtomLevel()].
|
|
maskToLevels(Mask) ->
|
|
maskToLevels(?RumLevels, Mask, []).
|
|
|
|
maskToLevels([], _Mask, Acc) ->
|
|
lists:reverse(Acc);
|
|
maskToLevels([Level | Levels], Mask, Acc) ->
|
|
case (levelToNum(Level) band Mask) /= 0 of
|
|
true ->
|
|
maskToLevels(Levels, Mask, [Level | Acc]);
|
|
_ ->
|
|
maskToLevels(Levels, Mask, Acc)
|
|
end.
|
|
|
|
-spec atomCfgToLevels(atom()) -> [rumAtomLevel()].
|
|
atomCfgToLevels(Cfg) ->
|
|
binCfgToLevels(atom_to_binary(Cfg, utf8)).
|
|
|
|
binCfgToLevels(<<"!", Rest/binary>>) ->
|
|
?RumLevels -- binCfgToLevels(Rest);
|
|
binCfgToLevels(<<"=<", Rest/binary>>) ->
|
|
riseInWhile(?RumLevels, levelBinToAtom(Rest), []);
|
|
binCfgToLevels(<<"<=", Rest/binary>>) ->
|
|
riseInWhile(?RumLevels, levelBinToAtom(Rest), []);
|
|
binCfgToLevels(<<">=", Rest/binary>>) ->
|
|
dropInWhile(?RumLevels, levelBinToAtom(Rest));
|
|
binCfgToLevels(<<"=>", Rest/binary>>) ->
|
|
dropInWhile(?RumLevels, levelBinToAtom(Rest));
|
|
binCfgToLevels(<<"=", Rest/binary>>) ->
|
|
[levelBinToAtom(Rest)];
|
|
binCfgToLevels(<<"<", Rest/binary>>) ->
|
|
riseOutWhile(?RumLevels, levelBinToAtom(Rest), []);
|
|
binCfgToLevels(<<">", Rest/binary>>) ->
|
|
dropOutWhile(?RumLevels, levelBinToAtom(Rest));
|
|
binCfgToLevels(Rest) ->
|
|
[levelBinToAtom(Rest)].
|
|
|
|
dropInWhile([], _Level) ->
|
|
[];
|
|
dropInWhile([CurLevel | Left] = Rest, Level) ->
|
|
case CurLevel == Level of
|
|
true ->
|
|
Rest;
|
|
_ ->
|
|
dropInWhile(Left, Level)
|
|
end.
|
|
|
|
dropOutWhile([], _Level) ->
|
|
[];
|
|
dropOutWhile([CurLevel | Left], Level) ->
|
|
case CurLevel == Level of
|
|
true ->
|
|
Left;
|
|
_ ->
|
|
dropOutWhile(Left, Level)
|
|
end.
|
|
|
|
riseInWhile([], _Level, Acc) ->
|
|
Acc;
|
|
riseInWhile([CurLevel | Left], Level, Acc) ->
|
|
case CurLevel == Level of
|
|
true ->
|
|
[CurLevel | Acc];
|
|
_ ->
|
|
riseInWhile(Left, Level, [CurLevel | Acc])
|
|
end.
|
|
|
|
riseOutWhile([], _Level, Acc) ->
|
|
Acc;
|
|
riseOutWhile([CurLevel | Left], Level, Acc) ->
|
|
case CurLevel == Level of
|
|
true ->
|
|
Acc;
|
|
_ ->
|
|
riseOutWhile(Left, Level, [CurLevel | Acc])
|
|
end.
|
|
|
|
levelBinToAtom(BinStr) ->
|
|
AtomLevel = binary_to_atom(BinStr, utf8),
|
|
case lists:member(AtomLevel, ?RumLevels) of
|
|
true ->
|
|
AtomLevel;
|
|
_ ->
|
|
erlang:error(badarg)
|
|
end.
|
|
|
|
nowMs() ->
|
|
erlang:system_time(millisecond).
|
|
|
|
msToBinStr() ->
|
|
msToBinStr(nowMs()).
|
|
|
|
msToBinStr(MsTick) ->
|
|
ThisSec = MsTick div 1000,
|
|
ThisMs = MsTick rem 1000,
|
|
{{Y, M, D}, {H, Mi, S}} = erlang:universaltime_to_localtime(erlang:posixtime_to_universaltime(ThisSec)),
|
|
<<(integer_to_binary(Y))/binary, "-", (i2b(M))/binary, "-", (i2b(D))/binary, " ", (i2b(H))/binary, ":", (i2b(Mi))/binary, ":", (i2b(S))/binary, ".", (i3b(ThisMs))/binary>>.
|
|
|
|
i2b(Num) ->
|
|
if
|
|
Num < 10 ->
|
|
<<"0", (integer_to_binary(Num))/binary>>;
|
|
true ->
|
|
integer_to_binary(Num)
|
|
end.
|
|
|
|
i3b(Num) ->
|
|
if
|
|
Num < 10 ->
|
|
<<"00", (integer_to_binary(Num))/binary>>;
|
|
Num < 100 ->
|
|
<<"0", (integer_to_binary(Num))/binary>>;
|
|
true ->
|
|
integer_to_binary(Num)
|
|
end.
|
|
|
|
%% last parse hour
|
|
parseRotateHourSpec([], DayOrMonthF, Hour, Minute, DayOrMonthV) ->
|
|
{DayOrMonthF, Hour, Minute, DayOrMonthV};
|
|
parseRotateHourSpec([$H, M1, M2], DayOrMonthF, Hour, _Minute, DayOrMonthV) when M1 >= $0, M1 =< $9, M2 >= $0, M2 =< $9 ->
|
|
Min = list_to_integer([M1, M2]),
|
|
?IIF(Min >= 0 andalso Min =< 59, {DayOrMonthF, Hour, Min, DayOrMonthV}, {error, invalid_date_spec});
|
|
parseRotateHourSpec([$H, M], DayOrMonthF, Hour, _Minute, DayOrMonthV) when M >= $0, M =< $9 ->
|
|
{DayOrMonthF, Hour, M - $0, DayOrMonthV};
|
|
parseRotateHourSpec(_, _DayOrMonth, _Hour, _Minute, _DayOrMonthV) ->
|
|
{error, invalid_date_spec}.
|
|
|
|
%% second parse day Default to 00:00:00 rotation
|
|
parseRotateDaySpec([], DayOrMonthF, Hour, Minute, DayOrMonthV) ->
|
|
{DayOrMonthF, Hour, Minute, DayOrMonthV};
|
|
parseRotateDaySpec([$D, D1, D2 | T], DayOrMonthF, _Hour, _Minute, DayOrMonthV) when D1 > $0, D1 < $9, D2 > $0, D2 < $9 ->
|
|
Day = list_to_integer([D1, D2]),
|
|
?IIF(Day >= 0 andalso Day =< 23, parseRotateHourSpec(T, DayOrMonthF, Day, 0, DayOrMonthV), {error, invalid_date_spec});
|
|
parseRotateDaySpec([$D, D | T], DayOrMonthF, _Hour, _Minute, DayOrMonthV) when D >= $0, D =< $9 ->
|
|
parseRotateHourSpec(T, DayOrMonthF, D - $0, 0, DayOrMonthV);
|
|
parseRotateDaySpec(T, DayOrMonth, Hour, Minute, DayOrMonthV) ->
|
|
parseRotateHourSpec(T, DayOrMonth, Hour, Minute, DayOrMonthV).
|
|
|
|
%% first parse date or week
|
|
parseRotateDateSpec([$$, $W, W | T], _DayOrMonthF, _Hour, _Minute, _DayOrMonthV) when W >= $1, W =< $7 ->
|
|
parseRotateDaySpec(T, day, 0, 0, W - $0);
|
|
parseRotateDateSpec([$$, $M, L | T], _DayOrMonthF, _Hour, _Minute, DayOrMonthV) when L == $L; L == $l ->
|
|
parseRotateDaySpec(T, last, 0, 0, DayOrMonthV);
|
|
parseRotateDateSpec([$$, $M, M1, M2 | T], _DayOrMonthF, _Hour, _Minute, _DayOrMonthV) when M1 >= $0, M1 =< $9, M2 >= $0, M2 =< $9 ->
|
|
Date = list_to_integer([M1, M2]),
|
|
?IIF(Date >= 1 andalso Date =< 31, parseRotateDaySpec(T, date, 0, 0, Date), {error, invalid_date_spec});
|
|
parseRotateDateSpec([$$, $M, M | T], _DayOrMonthF, _Hour, _Minute, _DayOrMonthV) when M >= $1, M =< $9 ->
|
|
parseRotateDaySpec(T, date, 0, 0, M - $0);
|
|
parseRotateDateSpec([$$ | T], DayOrMonthF, Hour, Minute, DayOrMonthV) ->
|
|
parseRotateDaySpec(T, DayOrMonthF, Hour, Minute, DayOrMonthV);
|
|
parseRotateDateSpec(_, _DayOrMonthF, _Hour, _Minute, _DayOrMonthV) ->
|
|
{error, invalid_date_spec}.
|
|
|
|
parseRotateSpec(Spec) ->
|
|
case parseRotateDateSpec(Spec, undefined, undefined, undefined, undefined) of
|
|
{error, _} = ErrRet ->
|
|
ErrRet;
|
|
{undefined, undefined, undefined, _} ->
|
|
{error, invalid_date_spec};
|
|
STuple ->
|
|
{ok, STuple}
|
|
end.
|
|
|
|
calcNextRotateMs(Spec) ->
|
|
{Date, Time} = NowDataTime = erlang:localtime(),
|
|
NextTime = calcNextRotate(Spec, Date, Time),
|
|
(rumTime:lDateTimeToSec(NextTime) - rumTime:lDateTimeToSec(NowDataTime)) * 1000.
|
|
|
|
calcNextRotateMs(Spec, NowDataTime) ->
|
|
{Date, Time} = NowDataTime,
|
|
NextTime = calcNextRotate(Spec, Date, Time),
|
|
(rumTime:lDateTimeToSec(NextTime) - rumTime:lDateTimeToSec(NowDataTime)) * 1000.
|
|
|
|
calcNextRotateDt(Spec, NowDataTime) ->
|
|
{Date, Time} = NowDataTime,
|
|
calcNextRotate(Spec, Date, Time).
|
|
|
|
calcNextRotate({undefined, SHour, SMinute, _SMonthV}, CurDate, CurTime) ->
|
|
case SHour of
|
|
undefined ->
|
|
{CurHour, CurMinute, _} = CurTime,
|
|
case CurMinute < SMinute of
|
|
true ->
|
|
%% rotation is this hour
|
|
{CurDate, {CurHour, SMinute, 0}};
|
|
_ ->
|
|
%% rotation is next hour
|
|
NexSec = rumTime:lDateTimeToSec({CurDate, {CurHour, SMinute, 0}}) + 3600,
|
|
rumTime:secToLDateTime(NexSec)
|
|
end;
|
|
_ ->
|
|
case CurTime < {SHour, SMinute, 0} of
|
|
true ->
|
|
%% rotation is this day
|
|
{CurDate, {SHour, SMinute, 0}};
|
|
_ ->
|
|
%% rotation is next day
|
|
NexSec = rumTime:lDateTimeToSec({CurDate, {SHour, SMinute, 0}}) + 86400,
|
|
rumTime:secToLDateTime(NexSec)
|
|
end
|
|
end;
|
|
calcNextRotate({day, SHour, SMinute, SDay}, CurDate, CurTime) ->
|
|
CurWeekDay = rumTime:weekDay(CurDate),
|
|
if
|
|
CurWeekDay < SDay ->
|
|
%% rotation is this week
|
|
DiffDays = SDay - CurWeekDay,
|
|
NexSec = rumTime:lDateTimeToSec({CurDate, {SHour, SMinute, 0}}) + (86400 * DiffDays),
|
|
rumTime:secToLDateTime(NexSec);
|
|
CurWeekDay > SDay ->
|
|
%% rotation is next week
|
|
DiffDays = ((7 - CurWeekDay) + SDay),
|
|
NexSec = rumTime:lDateTimeToSec({CurDate, {SHour, SMinute, 0}}) + (86400 * DiffDays),
|
|
rumTime:secToLDateTime(NexSec);
|
|
true ->
|
|
case CurTime < {SHour, SMinute, 0} of
|
|
true ->
|
|
%% rotation is this week
|
|
{CurDate, {SHour, SMinute, 0}};
|
|
_ ->
|
|
%% rotation is next week
|
|
NexSec = rumTime:lDateTimeToSec({CurDate, {SHour, SMinute, 0}}) + (86400 * 7),
|
|
rumTime:secToLDateTime(NexSec)
|
|
end
|
|
end;
|
|
calcNextRotate({last, SHour, SMinute, _SMonthV}, CurDate, CurTime) ->
|
|
{CurYear, CurMonth, CurDay} = CurDate,
|
|
CurMonthDay = rumTime:monthDay(CurYear, CurMonth),
|
|
case CurMonthDay == CurDay of
|
|
true ->
|
|
case CurTime < {SHour, SMinute, 0} of
|
|
true ->
|
|
%% rotation is this last month day
|
|
{CurDate, {SHour, SMinute, 0}};
|
|
_ ->
|
|
%% rotation is next last month day
|
|
NexSec = rumTime:lDateTimeToSec({CurDate, {23, 59, 59}}) + 1, %% 下个月1号凌晨
|
|
{NewNDate, _NewNTime} = rumTime:secToLDateTime(NexSec),
|
|
{NewNYear, NewNMonth, _} = NewNDate,
|
|
NewMonthDay = rumTime:monthDay(NewNYear, NewNMonth),
|
|
{{NewNYear, NewNMonth, NewMonthDay}, {SHour, SMinute, 0}}
|
|
end;
|
|
_ ->
|
|
%% rotation is this last month day
|
|
{{CurYear, CurMonth, CurMonthDay}, {SHour, SMinute, 0}}
|
|
end;
|
|
calcNextRotate({date, SHour, SMinute, SDate}, CurDate, CurTime) ->
|
|
{CurYear, CurMonth, CurDay} = CurDate,
|
|
if
|
|
CurDay < SDate ->
|
|
%% rotation is this month day
|
|
{{CurYear, CurMonth, SDate}, {SHour, SMinute, 0}};
|
|
CurDay > SDate ->
|
|
%% rotation is next month day
|
|
CurMonthDay = rumTime:monthDay(CurYear, CurMonth),
|
|
NexSec = rumTime:lDateTimeToSec({{CurYear, CurMonth, CurMonthDay}, {23, 59, 59}}) + 1,
|
|
{NewNDate, _NewNTime} = rumTime:secToLDateTime(NexSec),
|
|
{NewNYear, NewNMonth, _} = NewNDate,
|
|
{{NewNYear, NewNMonth, SDate}, {SHour, SMinute, 0}};
|
|
true ->
|
|
case CurTime < {SHour, SMinute, 0} of
|
|
true ->
|
|
%% rotation is this month day
|
|
{CurDate, {SHour, SMinute, 0}};
|
|
_ ->
|
|
%% rotation is next month day
|
|
CurMonthDay = rumTime:monthDay(CurYear, CurMonth),
|
|
NexSec = rumTime:lDateTimeToSec({{CurYear, CurMonth, CurMonthDay}, {23, 59, 59}}) + 1,
|
|
{NewNDate, _NewNTime} = rumTime:secToLDateTime(NexSec),
|
|
{NewNYear, NewNMonth, _} = NewNDate,
|
|
{{NewNYear, NewNMonth, SDate}, {SHour, SMinute, 0}}
|
|
end
|
|
end.
|
|
|
|
-spec trace_filter(Query :: 'none' | [tuple()]) -> {ok, any()}.
|
|
trace_filter(Query) ->
|
|
trace_filter(?RumDefTracer, Query).
|
|
|
|
%% TODO: Support multiple trace modules
|
|
%-spec trace_filter(Module :: atom(), Query :: 'none' | [tuple()]) -> {ok, any()}.
|
|
trace_filter(Module, Query) when Query == none; Query == [] ->
|
|
{ok, _} = glc:compile(Module, glc:null(false));
|
|
trace_filter(Module, Query) when is_list(Query) ->
|
|
{ok, _} = glc:compile(Module, glc_lib:reduce(trace_any(Query))).
|
|
|
|
validate_trace({Filter, Level, {Destination, ID}}) when is_tuple(Filter); is_list(Filter), is_atom(Level), is_atom(Destination) ->
|
|
case validate_trace({Filter, Level, Destination}) of
|
|
{ok, {F, L, D}} ->
|
|
{ok, {F, L, {D, ID}}};
|
|
Error ->
|
|
Error
|
|
end;
|
|
validate_trace({Filter, Level, Destination}) when is_tuple(Filter); is_list(Filter), is_atom(Level), is_atom(Destination) ->
|
|
ValidFilter = validate_trace_filter(Filter),
|
|
try configToMask(Level) of
|
|
_ when not ValidFilter ->
|
|
{error, invalid_trace};
|
|
L when is_list(Filter) ->
|
|
{ok, {trace_all(Filter), L, Destination}};
|
|
L ->
|
|
{ok, {Filter, L, Destination}}
|
|
catch
|
|
_:_ ->
|
|
{error, invalid_level}
|
|
end;
|
|
validate_trace(_) ->
|
|
{error, invalid_trace}.
|
|
|
|
validate_trace_filter(Filter) when is_tuple(Filter), is_atom(element(1, Filter)) =:= false ->
|
|
false;
|
|
validate_trace_filter(Filter) when is_list(Filter) ->
|
|
lists:all(fun validate_trace_filter/1, Filter);
|
|
validate_trace_filter({Key, '*'}) when is_atom(Key) -> true;
|
|
validate_trace_filter({any, L}) when is_list(L) -> lists:all(fun validate_trace_filter/1, L);
|
|
validate_trace_filter({all, L}) when is_list(L) -> lists:all(fun validate_trace_filter/1, L);
|
|
validate_trace_filter({null, Bool}) when is_boolean(Bool) -> true;
|
|
validate_trace_filter({Key, _Value}) when is_atom(Key) -> true;
|
|
validate_trace_filter({Key, '=', _Value}) when is_atom(Key) -> true;
|
|
validate_trace_filter({Key, '!=', _Value}) when is_atom(Key) -> true;
|
|
validate_trace_filter({Key, '<', _Value}) when is_atom(Key) -> true;
|
|
validate_trace_filter({Key, '=<', _Value}) when is_atom(Key) -> true;
|
|
validate_trace_filter({Key, '>', _Value}) when is_atom(Key) -> true;
|
|
validate_trace_filter({Key, '>=', _Value}) when is_atom(Key) -> true;
|
|
validate_trace_filter(_) -> false.
|
|
|
|
trace_all(Query) ->
|
|
glc:all(trace_acc(Query)).
|
|
|
|
trace_any(Query) ->
|
|
glc:any(Query).
|
|
|
|
trace_acc(Query) ->
|
|
trace_acc(Query, []).
|
|
|
|
trace_acc([], Acc) ->
|
|
lists:reverse(Acc);
|
|
trace_acc([{any, L} | T], Acc) ->
|
|
trace_acc(T, [glc:any(L) | Acc]);
|
|
trace_acc([{all, L} | T], Acc) ->
|
|
trace_acc(T, [glc:all(L) | Acc]);
|
|
trace_acc([{null, Bool} | T], Acc) ->
|
|
trace_acc(T, [glc:null(Bool) | Acc]);
|
|
trace_acc([{Key, '*'} | T], Acc) ->
|
|
trace_acc(T, [glc:wc(Key) | Acc]);
|
|
trace_acc([{Key, '!'} | T], Acc) ->
|
|
trace_acc(T, [glc:nf(Key) | Acc]);
|
|
trace_acc([{Key, Val} | T], Acc) ->
|
|
trace_acc(T, [glc:eq(Key, Val) | Acc]);
|
|
trace_acc([{Key, '=', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:eq(Key, Val) | Acc]);
|
|
trace_acc([{Key, '!=', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:neq(Key, Val) | Acc]);
|
|
trace_acc([{Key, '>', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:gt(Key, Val) | Acc]);
|
|
trace_acc([{Key, '>=', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:gte(Key, Val) | Acc]);
|
|
trace_acc([{Key, '=<', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:lte(Key, Val) | Acc]);
|
|
trace_acc([{Key, '<', Val} | T], Acc) ->
|
|
trace_acc(T, [glc:lt(Key, Val) | Acc]).
|
|
|
|
check_traces(_, _, [], Acc) ->
|
|
lists:flatten(Acc);
|
|
check_traces(Attrs, Level, [{_, FilterLevel, _} | Flows], Acc) when (Level band FilterLevel) == 0 ->
|
|
check_traces(Attrs, Level, Flows, Acc);
|
|
check_traces(Attrs, Level, [{Filter, _, _} | Flows], Acc) when length(Attrs) < length(Filter) ->
|
|
check_traces(Attrs, Level, Flows, Acc);
|
|
check_traces(Attrs, Level, [Flow | Flows], Acc) ->
|
|
check_traces(Attrs, Level, Flows, [check_trace(Attrs, Flow) | Acc]).
|
|
|
|
check_trace(Attrs, {Filter, _Level, Dest}) when is_list(Filter) ->
|
|
check_trace(Attrs, {trace_all(Filter), _Level, Dest});
|
|
|
|
check_trace(Attrs, {Filter, _Level, Dest}) when is_tuple(Filter) ->
|
|
Made = gre:make(Attrs, [list]),
|
|
glc:handle(?RumDefTracer, Made),
|
|
Match = glc_lib:matches(Filter, Made),
|
|
case Match of
|
|
true ->
|
|
Dest;
|
|
false ->
|
|
[]
|
|
end.
|
|
|
|
-spec isLoggAble(rumMsg:rumMsg(), rumMaskLevel(), term()) -> boolean().
|
|
isLoggAble(Msg, Mask, MyName) ->
|
|
(rumMsg:severity_as_int(Msg) band Mask) /= 0 orelse lists:member(MyName, rumMsg:destinations(Msg)).
|
|
|
|
parsePath(RelPath) ->
|
|
NewRelPath =
|
|
case rumUtil:get_env(logRoot, undefined) of
|
|
undefined ->
|
|
RelPath;
|
|
LogRoot ->
|
|
case filename:dirname(RelPath) of
|
|
"." ->
|
|
filename:join(LogRoot, RelPath);
|
|
false ->
|
|
RelPath
|
|
end
|
|
end,
|
|
filename:absname(NewRelPath).
|
|
|
|
%% Find a file among the already installed handlers.
|
|
%%
|
|
%% The file is already expanded (i.e. lager_util:expand_path already added the
|
|
%% "logRoot"), but the file paths inside Handlers are not.
|
|
find_file(_File1, _Handlers = []) ->
|
|
false;
|
|
find_file(File1, [{{lager_file_backend, File2}, _Handler, _Sink} = HandlerInfo | Handlers]) ->
|
|
File1Abs = File1,
|
|
File2Abs = lager_util:expand_path(File2),
|
|
case File1Abs =:= File2Abs of
|
|
true ->
|
|
% The file inside HandlerInfo is the same as the file we are looking
|
|
% for, so we are done.
|
|
HandlerInfo;
|
|
false ->
|
|
find_file(File1, Handlers)
|
|
end;
|
|
find_file(File1, [_HandlerInfo | Handlers]) ->
|
|
find_file(File1, Handlers).
|
|
|
|
%% conditionally check the HWM if the event would not have been filtered
|
|
checkHwm(Shaper = #rumShaper{filter = Filter}, Event) ->
|
|
case Filter(Event) of
|
|
true ->
|
|
{true, 0, Shaper};
|
|
_ ->
|
|
checkHwm(Shaper)
|
|
end.
|
|
|
|
%% 日志速率限制S i.e. 即传入消息的高水位标记
|
|
checkHwm(#rumShaper{id = Id, hwm = Hwm, mps = Mps, lastTime = LastTime, dropped = Drop, flushQueue = FlushQueue, flushThr = FlushThreshold, timer = Timer, filter = Filter} = Shaper) ->
|
|
if
|
|
Hwm == undefined ->
|
|
{true, 0, Shaper};
|
|
Mps < Hwm ->
|
|
NowTime = rumTime:now(),
|
|
case LastTime == NowTime of
|
|
true ->
|
|
{true, 0, Shaper#rumShaper{mps = Mps + 1}};
|
|
_ ->
|
|
%different second - reset mps
|
|
{true, 0, Shaper#rumShaper{dropped = 0, mps = 1, lastTime = NowTime}}
|
|
end;
|
|
true ->
|
|
%% are we still in the same second?
|
|
NowTimeMs = rumTime:nowMs(),
|
|
NowTime = NowTimeMs div 1000,
|
|
PastMs = NowTimeMs rem 1000,
|
|
case LastTime == NowTime of
|
|
true ->
|
|
%% still in same second, but have exceeded the high water mark
|
|
NewDrops = ?IIF(isNeedFlush(FlushQueue, FlushThreshold), dropMsg(NowTime, Filter, 0), 0),
|
|
NewTimer = ?IIF(erlang:read_timer(Timer) =/= false, Timer, erlang:send_after(1000 - PastMs, self(), {mShaperExpired, Id})),
|
|
{false, 0, Shaper#rumShaper{dropped = Drop + NewDrops + 1, timer = NewTimer}};
|
|
_ ->
|
|
_ = erlang:cancel_timer(Shaper#rumShaper.timer),
|
|
%% different second, reset all counters and allow it
|
|
{drop, Drop, Shaper#rumShaper{dropped = 0, mps = 1, lastTime = NowTime}}
|
|
end
|
|
end.
|
|
|
|
isNeedFlush(true, FlushThreshold) ->
|
|
case FlushThreshold of
|
|
0 ->
|
|
true;
|
|
_ ->
|
|
PInfo = process_info(self(), message_queue_len),
|
|
element(2, PInfo) > FlushThreshold
|
|
end;
|
|
isNeedFlush(_FlushQueue, _FlushThreshold) ->
|
|
false.
|
|
|
|
dropMsg(LastTime, Filter, Count) ->
|
|
CurTime = rumTime:now(),
|
|
case CurTime == LastTime of
|
|
true ->
|
|
receive
|
|
%% we only discard gen_event notifications, because
|
|
%% otherwise we might discard gen_event internal
|
|
%% messages, such as trapped EXITs
|
|
{'$gen_info', Event} ->
|
|
NewCount = ?IIF(Filter(Event), Count, Count + 1),
|
|
dropMsg(LastTime, Filter, NewCount)
|
|
after 0 ->
|
|
Count
|
|
end;
|
|
_ ->
|
|
Count
|
|
end.
|
|
|
|
%% @private Build an atom for the gen_event process based on a sink name.
|
|
%% For historical reasons, the default gen_event process for lager itself is named
|
|
%% `lager_event'. For all other sinks, it is SinkName++`_lager_event'
|
|
makeInnerSinkName(Sink) ->
|
|
binary_to_atom(<<(atom_to_binary(Sink, utf8))/binary, "Event">>).
|
|
|
|
maybeFlush(undefined, #rumShaper{} = S) ->
|
|
S;
|
|
maybeFlush(Flag, #rumShaper{} = S) ->
|
|
S#rumShaper{flushQueue = Flag}.
|
|
|
|
-spec isFileChanged(FileName :: file:name_all(), Inode :: pos_integer(), Ctime :: file:date_time()) -> {boolean(), file:file_info() | undefined}.
|
|
isFileChanged(FileName, Inode, Ctime) ->
|
|
case file:read_file_info(FileName, [raw]) of
|
|
{ok, FileInfo} ->
|
|
case os:type() of
|
|
{win32, _} ->
|
|
% Note: on win32, Inode is always zero So check the file's ctime to see if it needs to be re-opened
|
|
{Ctime =/= FileInfo#file_info.ctime, FileInfo};
|
|
_ ->
|
|
{Inode =/= FileInfo#file_info.inode, FileInfo}
|
|
end;
|
|
_ ->
|
|
{true, undefined}
|
|
end.
|
|
|
|
-spec get_env(Par :: atom(), Def :: term()) -> Val :: term().
|
|
get_env(Key, Def) ->
|
|
case application:get_env(?RumAppName, Key) of
|
|
{ok, Val} ->
|
|
Val;
|
|
_ ->
|
|
Def
|
|
end.
|
|
|
|
get_opt(Key, Opts, Def) ->
|
|
case lists:keyfind(Key, 1, Opts) of
|
|
false ->
|
|
Def;
|
|
V ->
|
|
element(2, V)
|
|
end.
|