diff options
Diffstat (limited to 'lib/kernel/src/logger.erl')
| -rw-r--r-- | lib/kernel/src/logger.erl | 166 |
1 files changed, 92 insertions, 74 deletions
diff --git a/lib/kernel/src/logger.erl b/lib/kernel/src/logger.erl index 0020fe220b..752dd8d493 100644 --- a/lib/kernel/src/logger.erl +++ b/lib/kernel/src/logger.erl @@ -77,9 +77,9 @@ -type report() :: map() | [{atom(),term()}]. -type report_cb() :: fun((report()) -> {io:format(),[term()]}) | fun((report(),report_cb_config()) -> unicode:chardata()). --type report_cb_config() :: #{encoding := unicode:encoding(), - depth := pos_integer() | unlimited, - chars_limit := pos_integer() | unlimited}. +-type report_cb_config() :: #{depth := pos_integer() | unlimited, + chars_limit := pos_integer() | unlimited, + single_line := boolean()}. -type msg_fun() :: fun((term()) -> {io:format(),[term()]} | report() | unicode:chardata()). @@ -116,6 +116,11 @@ -type config_handler() :: {handler, handler_id(), module(), handler_config()}. +-type config_logger() :: [{handler,default,undefined} | + config_handler() | + {filters,log | stop,[{filter_id(),filter()}]} | + {module_level,level(),[module()]}]. + -export_type([log_event/0, level/0, report/0, @@ -434,12 +439,7 @@ get_primary_config() -> HandlerId :: handler_id(), Config :: handler_config(). get_handler_config(HandlerId) -> - case logger_config:get(?LOGGER_TABLE,HandlerId) of - {ok,{_,Config}} -> - {ok,Config}; - Error -> - Error - end. + logger_config:get(?LOGGER_TABLE,HandlerId). -spec get_handler_config() -> [Config] when Config :: handler_config(). @@ -588,19 +588,21 @@ get_config() -> %% tree is started. internal_init_logger() -> try + Env = get_logger_env(kernel), + check_logger_config(kernel,Env), ok = logger:set_primary_config(level, get_logger_level()), - ok = logger:set_primary_config(filter_default, get_primary_filter_default()), + ok = logger:set_primary_config(filter_default, + get_primary_filter_default(Env)), [case logger:add_primary_filter(Id, Filter) of ok -> ok; {error, Reason} -> throw(Reason) - end || {Id, Filter} <- get_primary_filters()], + end || {Id, Filter} <- get_primary_filters(Env)], - _ = [[case logger:set_module_level(Module, Level) of - ok -> ok; - {error, Reason} -> throw(Reason) - end || Module <- Modules] - || {module_level, Level, Modules} <- get_logger_env()], + [case logger:set_module_level(Modules, Level) of + ok -> ok; + {error, Reason} -> throw(Reason) + end || {module_level, Level, Modules} <- Env], case logger:set_handler_config(simple,filters, get_default_handler_filters()) of @@ -608,24 +610,24 @@ internal_init_logger() -> {error,{not_found,simple}} -> ok end, - init_kernel_handlers() + init_kernel_handlers(Env) catch throw:Reason -> ?LOG_ERROR("Invalid logger config: ~p", [Reason]), {error, {bad_config, {kernel, Reason}}} end. --spec init_kernel_handlers() -> ok | {error,term()}. +-spec init_kernel_handlers(config_logger()) -> ok | {error,term()}. %% Setup the kernel environment variables to be correct %% The actual handlers are started by a call to add_handlers. -init_kernel_handlers() -> +init_kernel_handlers(Env) -> try - case get_logger_type() of + case get_logger_type(Env) of {ok,silent} -> ok = logger:remove_handler(simple); {ok,false} -> ok; {ok,Type} -> - init_default_config(Type) + init_default_config(Type,Env) end catch throw:Reason -> ?LOG_ERROR("Invalid default handler config: ~p", [Reason]), @@ -640,10 +642,13 @@ init_kernel_handlers() -> %% and then starting the correct handlers. This is done after the %% kernel supervisor tree has been started as it needs the logger_sup. add_handlers(App) when is_atom(App) -> - add_handlers(application:get_env(App, logger, [])); + add_handlers(App,get_logger_env(App)); add_handlers(HandlerConfig) -> + add_handlers(application:get_application(),HandlerConfig). + +add_handlers(App,HandlerConfig) -> try - check_logger_config(HandlerConfig), + check_logger_config(App,HandlerConfig), DefaultAdded = lists:foldl( fun({handler, default = Id, Module, Config}, _) @@ -657,17 +662,22 @@ add_handlers(HandlerConfig) -> ({handler, Id, Module, Config}, Default) -> setup_handler(Id, Module, Config), Default orelse Id == default; - (_, Default) -> Default + (_,Default) -> Default end, false, HandlerConfig), %% If a default handler was added we try to remove the simple_logger %% If the simple logger exists it will replay its log events %% to the handler(s) added in the fold above. - _ = [case logger:remove_handler(simple) of - ok -> ok; - {error,{not_found,simple}} -> ok - end || DefaultAdded], + [case logger:remove_handler(simple) of + ok -> ok; + {error,{not_found,simple}} -> ok + end || DefaultAdded], ok - catch throw:Reason -> + catch throw:Reason0 -> + Reason = + case App of + undefined -> Reason0; + _ -> {App,Reason0} + end, ?LOG_ERROR("Invalid logger handler config: ~p", [Reason]), {error, {bad_config, {handler, Reason}}} end. @@ -678,26 +688,35 @@ setup_handler(Id, Module, Config) -> {error, Reason} -> throw(Reason) end. -check_logger_config(_) -> - ok. - --spec get_logger_type() -> {ok, standard_io | false | silent | - {file, file:name_all()} | - {file, file:name_all(), [file:mode()]}}. -get_logger_type() -> +check_logger_config(_,[]) -> + ok; +check_logger_config(App,[{handler,_,_,_}|Env]) -> + check_logger_config(App,Env); +check_logger_config(kernel,[{handler,default,undefined}|Env]) -> + check_logger_config(kernel,Env); +check_logger_config(kernel,[{filters,_,_}|Env]) -> + check_logger_config(kernel,Env); +check_logger_config(kernel,[{module_level,_,_}|Env]) -> + check_logger_config(kernel,Env); +check_logger_config(_,Bad) -> + throw(Bad). + +-spec get_logger_type(config_logger()) -> + {ok, standard_io | false | silent | + {file, file:name_all()} | + {file, file:name_all(), [file:mode()]}}. +get_logger_type(Env) -> case application:get_env(kernel, error_logger) of {ok, tty} -> {ok, standard_io}; {ok, {file, File}} when is_list(File) -> {ok, {file, File}}; - {ok, {file, File, Modes}} when is_list(File), is_list(Modes) -> - {ok, {file, File, Modes}}; {ok, false} -> {ok, false}; {ok, silent} -> {ok, silent}; undefined -> - case lists:member({handler,default,undefined}, get_logger_env()) of + case lists:member({handler,default,undefined}, Env) of true -> {ok, false}; false -> @@ -715,56 +734,55 @@ get_logger_level() -> throw({logger_level, Level}) end. -get_primary_filter_default() -> - case lists:keyfind(filters,1,get_logger_env()) of +get_primary_filter_default(Env) -> + case lists:keyfind(filters,1,Env) of {filters,Default,_} -> Default; false -> log end. -get_primary_filters() -> - lists:foldl( - fun({filters, _, Filters}, _Acc) -> - Filters; - (_, Acc) -> - Acc - end, [], get_logger_env()). +get_primary_filters(Env) -> + case [F || F={filters,_,_} <- Env] of + [{filters,_,Filters}] -> + case lists:all(fun({_,_}) -> true; (_) -> false end,Filters) of + true -> Filters; + false -> throw({invalid_filters,Filters}) + end; + [] -> []; + _ -> throw({multiple_filters,Env}) + end. %% This function looks at the kernel logger environment %% and updates it so that the correct logger is configured -init_default_config(Type) when Type==standard_io; - Type==standard_error; - element(1,Type)==file -> - Env = get_logger_env(), +init_default_config(Type,Env) when Type==standard_io; + Type==standard_error; + element(1,Type)==file -> DefaultFormatter = #{formatter=>{?DEFAULT_FORMATTER,?DEFAULT_FORMAT_CONFIG}}, DefaultConfig = DefaultFormatter#{config=>#{type=>Type}}, NewLoggerEnv = case lists:keyfind(default, 2, Env) of - {handler, default, Module, Config} -> - lists:map( - fun({handler, default, logger_std_h, _}) -> - %% Only want to add the logger_std_h config - %% if not configured by user AND the default - %% handler is still the logger_std_h. - {handler, default, Module, maps:merge(DefaultConfig,Config)}; - ({handler, default, logger_disk_log_h, _}) -> - %% Add default formatter. The point of this - %% is to get the expected formatter config - %% for the default handler, since this - %% differs from the default values that - %% logger_formatter itself adds. - {handler, default, logger_disk_log_h, maps:merge(DefaultFormatter,Config)}; - (Other) -> - Other - end, Env); + {handler, default, logger_std_h, Config} -> + %% Only want to add the logger_std_h config + %% if not configured by user AND the default + %% handler is still the logger_std_h. + lists:keyreplace(default, 2, Env, + {handler, default, logger_std_h, + maps:merge(DefaultConfig,Config)}); + {handler, default, Module,Config} -> + %% Add default formatter. The point of this + %% is to get the expected formatter config + %% for the default handler, since this + %% differs from the default values that + %% logger_formatter itself adds. + lists:keyreplace(default, 2, Env, + {handler, default, Module, + maps:merge(DefaultFormatter,Config)}); _ -> %% Nothing has been configured, use default [{handler, default, logger_std_h, DefaultConfig} | Env] end, - application:set_env(kernel, logger, NewLoggerEnv, [{timeout,infinity}]); -init_default_config(Type) -> - throw({illegal_logger_type,Type}). + application:set_env(kernel, logger, NewLoggerEnv, [{timeout,infinity}]). get_default_handler_filters() -> case application:get_env(kernel, logger_sasl_compatible, false) of @@ -774,8 +792,8 @@ get_default_handler_filters() -> ?DEFAULT_HANDLER_FILTERS([otp,sasl]) end. -get_logger_env() -> - application:get_env(kernel, logger, []). +get_logger_env(App) -> + application:get_env(App, logger, []). %%%----------------------------------------------------------------- %%% Internal |