diff options
Diffstat (limited to 'lib/inets/src/inets_app/inets.erl')
-rw-r--r-- | lib/inets/src/inets_app/inets.erl | 267 |
1 files changed, 7 insertions, 260 deletions
diff --git a/lib/inets/src/inets_app/inets.erl b/lib/inets/src/inets_app/inets.erl index 054468e445..8e79f8d456 100644 --- a/lib/inets/src/inets_app/inets.erl +++ b/lib/inets/src/inets_app/inets.erl @@ -28,7 +28,7 @@ stop/0, stop/2, services/0, services_info/0, service_names/0]). --export([enable_trace/2, enable_trace/3, disable_trace/0, set_trace/1, +-export([enable_trace/2, enable_trace/3, disable_trace/0, set_trace/1, report_event/4]). -export([versions/0, print_version_info/0, print_version_info/1]). @@ -409,47 +409,8 @@ service_names() -> %% Severity withing Limit) will be written to stdout using io:format. %% %%----------------------------------------------------------------- -enable_trace(Level, Dest) -> - enable_trace(Level, Dest, all). - -enable_trace(Level, Dest, Service) -> - case valid_trace_service(Service) of - true -> - enable_trace2(Level, Dest, Service); - false -> - {error, {invalid_service, Service}} - end. - -enable_trace2(Level, File, Service) - when is_list(File) -> - case file:open(File, [write]) of - {ok, Fd} -> - HandleSpec = {fun handle_trace/2, {Service, Fd}}, - do_enable_trace(Level, process, HandleSpec); - Err -> - Err - end; -enable_trace2(Level, Port, _) when is_integer(Port) -> - do_enable_trace(Level, port, dbg:trace_port(ip, Port)); -enable_trace2(Level, io, Service) -> - HandleSpec = {fun handle_trace/2, {Service, standard_io}}, - do_enable_trace(Level, process, HandleSpec); -enable_trace2(Level, {Fun, _Data} = HandleSpec, _) when is_function(Fun) -> - do_enable_trace(Level, process, HandleSpec). - -do_enable_trace(Level, Type, HandleSpec) -> - case dbg:tracer(Type, HandleSpec) of - {ok, _} -> - set_trace(Level), - ok; - Error -> - Error - end. - -valid_trace_service(all) -> - true; -valid_trace_service(Service) -> - lists:member(Service, [httpc, httpd, ftpc, tftp]). +enable_trace(Level, Dest) -> inets_trace:enable(Level, Dest). +enable_trace(Level, Dest, Service) -> inets_trace:enable(Level, Dest, Service). %%----------------------------------------------------------------- @@ -458,12 +419,7 @@ valid_trace_service(Service) -> %% Description: %% This function is used to stop tracing. %%----------------------------------------------------------------- -disable_trace() -> - %% This is to make handle_trace/2 close the output file (if the - %% event gets there before dbg closes) - inets:report_event(100, "stop trace", stop_trace, [stop_trace]), - dbg:stop(). - +disable_trace() -> inets_trace:disable(). %%----------------------------------------------------------------- @@ -476,60 +432,7 @@ disable_trace() -> %% This function is used to change the trace level when tracing has %% already been started. %%----------------------------------------------------------------- -set_trace(Level) -> - set_trace(Level, all). - -set_trace(Level, Service) -> - Pat = make_pattern(?MODULE, Service, Level), - change_pattern(Pat). - -make_pattern(Mod, Service, Level) - when is_atom(Mod) andalso is_atom(Service) -> - case Level of - min -> - {Mod, Service, []}; - max -> - Head = ['$1', '_', '_', '_'], - Body = [], - Cond = [], - {Mod, Service, [{Head, Cond, Body}]}; - DetailLevel when is_integer(DetailLevel) -> - Head = ['$1', '_', '_', '_'], - Body = [], - Cond = [{ '=<', '$1', DetailLevel}], - {Mod, Service, [{Head, Cond, Body}]}; - _ -> - exit({bad_level, Level}) - end. - -change_pattern({Mod, Service, Pattern}) - when is_atom(Mod) andalso is_atom(Service) -> - MFA = {Mod, report_event, 4}, - case Pattern of - [] -> - try - error_to_exit(ctp, dbg:ctp(MFA)), - error_to_exit(p, dbg:p(all, clear)) - catch - exit:{Where, Reason} -> - {error, {Where, Reason}} - end; - List when is_list(List) -> - try - error_to_exit(ctp, dbg:ctp(MFA)), - error_to_exit(tp, dbg:tp(MFA, Pattern)), - error_to_exit(p, dbg:p(all, [call, timestamp])) - catch - exit:{Where, Reason} -> - {error, {Where, Reason}} - end - end, - ok. - -error_to_exit(_Where, {ok, _} = OK) -> - OK; -error_to_exit(Where, {error, Reason}) -> - exit({Where, Reason}). +set_trace(Level) -> inets_trace:set_level(Level). %%----------------------------------------------------------------- @@ -546,164 +449,8 @@ error_to_exit(Where, {error, Reason}) -> %% put trace on this function. %%----------------------------------------------------------------- -report_event(Severity, Label, Service, Content) - when (is_integer(Severity) andalso - (Severity >= 0) andalso (100 >= Severity)) andalso - is_list(Label) andalso - is_atom(Service) andalso - is_list(Content) -> - hopefully_traced. - - -%% ---------------------------------------------------------------------- -%% handle_trace(Event, Fd) -> Verbosity -%% -%% Parameters: -%% Event -> The trace event (only megaco 'trace_ts' events are printed) -%% Fd -> standard_io | file_descriptor() | trace_port() -%% -%% Description: -%% This function is used to "receive" and print the trace events. -%% Events are printed if: -%% - Verbosity is max -%% - Severity is =< Verbosity (e.g. Severity = 30, and Verbosity = 40) -%% Events are not printed if: -%% - Verbosity is min -%% - Severity is > Verbosity -%%----------------------------------------------------------------- - -handle_trace(_, closed_file = Fd) -> - Fd; -handle_trace({trace_ts, _Who, call, - {?MODULE, report_event, - [_Sev, "stop trace", stop_trace, [stop_trace]]}, - Timestamp}, - {_, standard_io} = Fd) -> - (catch io:format(standard_io, "stop trace at ~s~n", [format_timestamp(Timestamp)])), - Fd; -handle_trace({trace_ts, _Who, call, - {?MODULE, report_event, - [_Sev, "stop trace", stop_trace, [stop_trace]]}, - Timestamp}, - standard_io = Fd) -> - (catch io:format(Fd, "stop trace at ~s~n", [format_timestamp(Timestamp)])), - Fd; -handle_trace({trace_ts, _Who, call, - {?MODULE, report_event, - [_Sev, "stop trace", stop_trace, [stop_trace]]}, - Timestamp}, - {_Service, Fd}) -> - (catch io:format(Fd, "stop trace at ~s~n", [format_timestamp(Timestamp)])), - (catch file:close(Fd)), - closed_file; -handle_trace({trace_ts, _Who, call, - {?MODULE, report_event, - [_Sev, "stop trace", stop_trace, [stop_trace]]}, - Timestamp}, - Fd) -> - (catch io:format(Fd, "stop trace at ~s~n", [format_timestamp(Timestamp)])), - (catch file:close(Fd)), - closed_file; -handle_trace({trace_ts, Who, call, - {?MODULE, report_event, - [Sev, Label, Service, Content]}, Timestamp}, - Fd) -> - (catch print_inets_trace(Fd, Sev, Timestamp, Who, - Label, Service, Content)), - Fd; -handle_trace(Event, Fd) -> - (catch print_trace(Fd, Event)), - Fd. - - -print_inets_trace({Service, Fd}, - Sev, Timestamp, Who, Label, Service, Content) -> - do_print_inets_trace(Fd, Sev, Timestamp, Who, Label, Service, Content); -print_inets_trace({ServiceA, Fd}, - Sev, Timestamp, Who, Label, ServiceB, Content) - when (ServiceA =:= all) -> - do_print_inets_trace(Fd, Sev, Timestamp, Who, Label, ServiceB, Content); -print_inets_trace({ServiceA, _Fd}, - _Sev, _Timestamp, _Who, _Label, ServiceB, _Content) - when ServiceA =/= ServiceB -> - ok; -print_inets_trace(Fd, Sev, Timestamp, Who, Label, Service, Content) -> - do_print_inets_trace(Fd, Sev, Timestamp, Who, Label, Service, Content). - -do_print_inets_trace(Fd, Sev, Timestamp, Who, Label, Service, Content) -> - Ts = format_timestamp(Timestamp), - io:format(Fd, "[inets ~w trace ~w ~w ~s] ~s " - "~n Content: ~p" - "~n", - [Service, Sev, Who, Ts, Label, Content]). - -print_trace({_, Fd}, Event) -> - do_print_trace(Fd, Event); -print_trace(Fd, Event) -> - do_print_trace(Fd, Event). - -do_print_trace(Fd, {trace, Who, What, Where}) -> - io:format(Fd, "[trace]" - "~n Who: ~p" - "~n What: ~p" - "~n Where: ~p" - "~n", [Who, What, Where]); - -do_print_trace(Fd, {trace, Who, What, Where, Extra}) -> - io:format(Fd, "[trace]" - "~n Who: ~p" - "~n What: ~p" - "~n Where: ~p" - "~n Extra: ~p" - "~n", [Who, What, Where, Extra]); - -do_print_trace(Fd, {trace_ts, Who, What, Where, When}) -> - Ts = format_timestamp(When), - io:format(Fd, "[trace ~s]" - "~n Who: ~p" - "~n What: ~p" - "~n Where: ~p" - "~n", [Ts, Who, What, Where]); - -do_print_trace(Fd, {trace_ts, Who, What, Where, Extra, When}) -> - Ts = format_timestamp(When), - io:format(Fd, "[trace ~s]" - "~n Who: ~p" - "~n What: ~p" - "~n Where: ~p" - "~n Extra: ~p" - "~n", [Ts, Who, What, Where, Extra]); - -do_print_trace(Fd, {seq_trace, What, Where}) -> - io:format(Fd, "[seq trace]" - "~n What: ~p" - "~n Where: ~p" - "~n", [What, Where]); - -do_print_trace(Fd, {seq_trace, What, Where, When}) -> - Ts = format_timestamp(When), - io:format(Fd, "[seq trace ~s]" - "~n What: ~p" - "~n Where: ~p" - "~n", [Ts, What, Where]); - -do_print_trace(Fd, {drop, Num}) -> - io:format(Fd, "[drop trace] ~p~n", [Num]); - -do_print_trace(Fd, Trace) -> - io:format(Fd, "[trace] " - "~n ~p" - "~n", [Trace]). - - -format_timestamp({_N1, _N2, N3} = Now) -> - {Date, Time} = calendar:now_to_datetime(Now), - {YYYY,MM,DD} = Date, - {Hour,Min,Sec} = Time, - FormatDate = - io_lib:format("~.4w:~.2.0w:~.2.0w ~.2.0w:~.2.0w:~.2.0w 4~w", - [YYYY,MM,DD,Hour,Min,Sec,round(N3/1000)]), - lists:flatten(FormatDate). +report_event(Severity, Label, Service, Content) -> + inets_trace:report_event(Severity, Label, Service, Content). %%-------------------------------------------------------------------- |