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-rw-r--r--lib/snmp/src/misc/snmp_log.erl189
1 files changed, 148 insertions, 41 deletions
diff --git a/lib/snmp/src/misc/snmp_log.erl b/lib/snmp/src/misc/snmp_log.erl
index a365e8c8ed..862c1c7c0c 100644
--- a/lib/snmp/src/misc/snmp_log.erl
+++ b/lib/snmp/src/misc/snmp_log.erl
@@ -25,8 +25,8 @@
create/4, create/5, create/6, open/1, open/2,
change_size/2, close/1, sync/1, info/1,
log/4,
- log_to_txt/5, log_to_txt/6, log_to_txt/7,
- log_to_io/4, log_to_io/5, log_to_io/6
+ log_to_txt/6, log_to_txt/7, log_to_txt/8,
+ log_to_io/5, log_to_io/6, log_to_io/7
]).
-export([
upgrade/1, upgrade/2,
@@ -35,7 +35,17 @@
-export([
validate/1, validate/2
]).
+%% <BACKWARD-COMPAT>
+-export([
+ log_to_txt/5,
+ log_to_io/4
+ ]).
+%% </BACKWARD-COMPAT>
+-export_type([
+ log/0,
+ log_time/0
+ ]).
-define(SNMP_USE_V3, true).
-include("snmp_types.hrl").
@@ -49,6 +59,17 @@
-record(snmp_log, {id, seqno}).
+%%-----------------------------------------------------------------
+%% Types
+%%-----------------------------------------------------------------
+
+-opaque log() :: #snmp_log{}.
+-type log_time() :: null |
+ calendar:datetime() |
+ {local_time, calendar:datetime()} |
+ {universal_time, calendar:datetime()}.
+
+
%% --------------------------------------------------------------------
%% Exported functions
%% --------------------------------------------------------------------
@@ -323,7 +344,6 @@ validate_loop(Error, _Log, _Write, _PrevTS, _PrevSN) ->
%% log(Log, Packet, Addr, Port)
%%-----------------------------------------------------------------
-
log(#snmp_log{id = Log, seqno = SeqNo}, Packet, Addr, Port) ->
?vtrace("log -> entry with"
"~n Log: ~p"
@@ -379,57 +399,90 @@ do_change_size(Log, NewSize) ->
%% -- log_to_txt ---
+%% <BACKWARD-COMPAT>
log_to_txt(Log, FileName, Dir, Mibs, TextFile) ->
- log_to_txt(Log, FileName, Dir, Mibs, TextFile, null, null).
+ log_to_txt(Log, false, FileName, Dir, Mibs, TextFile).
+%% </BACKWARD-COMPAT>
+log_to_txt(Log, Block, FileName, Dir, Mibs, TextFile)
+ when ((Block =:= true) orelse (Block =:= false)) ->
+ log_to_txt(Log, Block, FileName, Dir, Mibs, TextFile, null, null);
+%% <BACKWARD-COMPAT>
log_to_txt(Log, FileName, Dir, Mibs, TextFile, Start) ->
- log_to_txt(Log, FileName, Dir, Mibs, TextFile, Start, null).
-
-log_to_txt(Log, FileName, Dir, Mibs, TextFile, Start, Stop)
- when is_list(Mibs) andalso is_list(TextFile) ->
+ log_to_txt(Log, false, FileName, Dir, Mibs, TextFile, Start, null).
+%% </BACKWARD-COMPAT>
+
+log_to_txt(Log, Block, FileName, Dir, Mibs, TextFile, Start)
+ when ((Block =:= true) orelse (Block =:= false)) ->
+ log_to_txt(Log, Block, FileName, Dir, Mibs, TextFile, Start, null);
+%% <BACKWARD-COMPAT>
+log_to_txt(Log, FileName, Dir, Mibs, TextFile, Start, Stop) ->
+ log_to_txt(Log, false, FileName, Dir, Mibs, TextFile, Start, Stop).
+%% </BACKWARD-COMPAT>
+
+log_to_txt(Log, Block, FileName, Dir, Mibs, TextFile, Start, Stop)
+ when (((Block =:= true) orelse (Block =:= false)) andalso
+ is_list(Mibs) andalso is_list(TextFile)) ->
?vtrace("log_to_txt -> entry with"
"~n Log: ~p"
+ "~n Block: ~p"
"~n FileName: ~p"
"~n Dir: ~p"
"~n Mibs: ~p"
"~n TextFile: ~p"
"~n Start: ~p"
"~n Stop: ~p",
- [Log, FileName, Dir, Mibs, TextFile, Start, Stop]),
+ [Log, Block, FileName, Dir, Mibs, TextFile, Start, Stop]),
File = filename:join(Dir, FileName),
Converter = fun(L) ->
?vtrace("log_to_txt:fun -> entry with"
"~n L: ~p", [L]),
do_log_to_file(L, TextFile, Mibs, Start, Stop)
end,
- log_convert(Log, File, Converter).
+ log_convert(Log, Block, File, Converter).
%% -- log_to_io ---
+%% <BACKWARD-COMPAT>
log_to_io(Log, FileName, Dir, Mibs) ->
- log_to_io(Log, FileName, Dir, Mibs, null, null).
+ log_to_io(Log, false, FileName, Dir, Mibs, null, null).
+%% </BACKWARD-COMPAT>
+log_to_io(Log, Block, FileName, Dir, Mibs)
+ when ((Block =:= true) orelse (Block =:= false)) ->
+ log_to_io(Log, Block, FileName, Dir, Mibs, null, null);
+%% <BACKWARD-COMPAT>
log_to_io(Log, FileName, Dir, Mibs, Start) ->
- log_to_io(Log, FileName, Dir, Mibs, Start, null).
-
-log_to_io(Log, FileName, Dir, Mibs, Start, Stop)
+ log_to_io(Log, false, FileName, Dir, Mibs, Start, null).
+%% </BACKWARD-COMPAT>
+
+log_to_io(Log, Block, FileName, Dir, Mibs, Start)
+ when ((Block =:= true) orelse (Block =:= false)) ->
+ log_to_io(Log, Block, FileName, Dir, Mibs, Start, null);
+%% <BACKWARD-COMPAT>
+log_to_io(Log, FileName, Dir, Mibs, Start, Stop) ->
+ log_to_io(Log, false, FileName, Dir, Mibs, Start, Stop).
+%% </BACKWARD-COMPAT>
+
+log_to_io(Log, Block, FileName, Dir, Mibs, Start, Stop)
when is_list(Mibs) ->
?vtrace("log_to_io -> entry with"
"~n Log: ~p"
+ "~n Block: ~p"
"~n FileName: ~p"
"~n Dir: ~p"
"~n Mibs: ~p"
"~n Start: ~p"
"~n Stop: ~p",
- [Log, FileName, Dir, Mibs, Start, Stop]),
+ [Log, Block, FileName, Dir, Mibs, Start, Stop]),
File = filename:join(Dir, FileName),
Converter = fun(L) ->
?vtrace("log_to_io:fun -> entry with"
"~n L: ~p", [L]),
do_log_to_io(L, Mibs, Start, Stop)
end,
- log_convert(Log, File, Converter).
+ log_convert(Log, Block, File, Converter).
%% --------------------------------------------------------------------
@@ -438,68 +491,122 @@ log_to_io(Log, FileName, Dir, Mibs, Start, Stop)
%% -- log_convert ---
-log_convert(#snmp_log{id = Log}, File, Converter) ->
- do_log_convert(Log, File, Converter);
-log_convert(Log, File, Converter) ->
- do_log_convert(Log, File, Converter).
-
-do_log_convert(Log, File, Converter) ->
- ?vtrace("do_log_converter -> entry with"
- "~n Log: ~p"
- "~n File: ~p", [Log, File]),
- Verbosity = get(verbosity),
+log_convert(#snmp_log{id = Log}, Block, File, Converter) ->
+ do_log_convert(Log, Block, File, Converter);
+log_convert(Log, Block, File, Converter) ->
+ do_log_convert(Log, Block, File, Converter).
+
+do_log_convert(Log, Block, File, Converter) ->
+ %% ?vtrace("do_log_converter -> entry with"
+ %% "~n Log: ~p"
+ %% "~n Block: ~p"
+ %% "~n File: ~p"
+ %% "~n disk_log:info(Log): ~p",
+ %% [Log, Block, File, disk_log:info(Log)]),
+ Verbosity = get(verbosity),
{Pid, Ref} =
erlang:spawn_monitor(
fun() ->
- put(sname, "LOG-CONVERTER"),
+ put(sname, lc),
put(verbosity, Verbosity),
- erlang:process_flag(trap_exit, true),
?vlog("begin converting", []),
- Result = do_log_convert2(Log, File, Converter),
+ Result = do_log_convert2(Log, Block, File, Converter),
?vlog("convert result: ~p", [Result]),
exit(Result)
end),
receive
{'DOWN', Ref, process, Pid, Result} ->
- ?vtrace("do_log_converter -> received result"
- "~n Result: ~p", [Result]),
+ %% ?vtrace("do_log_converter -> received result"
+ %% "~n Result: ~p", [Result]),
Result
end.
-do_log_convert2(Log, File, Converter) ->
+do_log_convert2(Log, Block, File, Converter) ->
+
+ %% ?vtrace("do_log_converter2 -> entry with"
+ %% "~n Log: ~p"
+ %% "~n Block: ~p"
+ %% "~n File: ~p"
+ %% "~n disk_log:info(Log): ~p",
+ %% [Log, Block, File, disk_log:info(Log)]),
+
%% First check if the caller process has already opened the
%% log, because if we close an already open log we will cause
%% a runtime error.
+
?vtrace("do_log_convert2 -> entry - check if owner", []),
case is_owner(Log) of
true ->
- ?vtrace("do_log_convert2 -> owner - now convert", []),
- Converter(Log);
+ ?vtrace("do_log_converter2 -> convert an already owned log", []),
+ maybe_block(Log, Block),
+ Res = Converter(Log),
+ maybe_unblock(Log, Block),
+ Res;
false ->
%% Not yet member of the ruling party, apply for membership...
- ?vtrace("do_log_convert2 -> not owner - open", []),
+ ?vtrace("do_log_converter2 -> convert log", []),
case log_open(Log, File) of
{ok, _} ->
?vdebug("do_log_convert2 -> opened - now convert", []),
+ maybe_block(Log, Block),
Res = Converter(Log),
- ?vtrace("do_log_convert2 -> converted - now close", []),
+ maybe_unblock(Log, Block),
disk_log:close(Log),
- ?vtrace("do_log_convert2 -> closed - done", []),
+ ?vdebug("do_log_convert2 -> converted - done: "
+ "~n Result: ~p", [Res]),
Res;
{error, {name_already_open, _}} ->
?vdebug("do_log_convert2 -> "
"already opened - now convert", []),
- Res = Converter(Log),
- ?vtrace("do_log_convert2 -> converted - done", []),
+ maybe_block(Log, Block),
+ Res = Converter(Log),
+ maybe_unblock(Log, Block),
+ ?vdebug("do_log_convert2 -> converted - done: "
+ "~n Result: ~p", [Res]),
Res;
{error, Reason} ->
- ?vinfo("do_log_convert2 -> failed open: "
- "~n Reason: ~p", [Reason]),
+ ?vinfo("do_log_converter2 -> "
+ "failed converting log - open failed: "
+ "~n Reason: ~p", [Reason]),
{error, {Log, Reason}}
end
end.
+maybe_block(_Log, false = _Block) ->
+ %% ?vtrace("maybe_block(false) -> entry", []),
+ ok;
+maybe_block(Log, true = _Block) ->
+ %% ?vtrace("maybe_block(true) -> entry when"
+ %% "~n Log Status: ~p", [log_status(Log)]),
+ Res = disk_log:block(Log, true),
+ %% ?vtrace("maybe_block(true) -> "
+ %% "~n Log Status: ~p"
+ %% "~n Res: ~p", [log_status(Log), Res]),
+ Res.
+
+maybe_unblock(_Log, false = _Block) ->
+ %% ?vtrace("maybe_unblock(false) -> entry", []),
+ ok;
+maybe_unblock(Log, true = _Block) ->
+ %% ?vtrace("maybe_unblock(true) -> entry when"
+ %% "~n Log Status: ~p", [log_status(Log)]),
+ Res = disk_log:unblock(Log),
+ %% ?vtrace("maybe_unblock(true) -> "
+ %% "~n Log Status: ~p"
+ %% "~n Res: ~p", [log_status(Log), Res]),
+ Res.
+
+%% log_status(Log) ->
+%% Info = disk_log:info(Log),
+%% case lists:keysearch(status, 1, Info) of
+%% {value, {status, Status}} ->
+%% Status;
+%% false ->
+%% undefined
+%% end.
+
+
%% -- do_log_to_text ---
do_log_to_file(Log, TextFile, Mibs, Start, Stop) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 04:58:33 +0000