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-rw-r--r--lib/snmp/src/misc/snmp_log.erl38
1 files changed, 28 insertions, 10 deletions
diff --git a/lib/snmp/src/misc/snmp_log.erl b/lib/snmp/src/misc/snmp_log.erl
index 2c781810ef..7f7030c9bf 100644
--- a/lib/snmp/src/misc/snmp_log.erl
+++ b/lib/snmp/src/misc/snmp_log.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -21,7 +21,7 @@
-export([
- create/4, create/5, create/6,
+ 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,
@@ -109,6 +109,24 @@ create(Name, File, SeqNoGen, Size, Repair, Notify) ->
{error, {bad_args, Name, File, SeqNoGen, Size, Repair, Notify}}.
+%% -- open ---
+
+%% Open an already existing ( = open ) log
+
+open(Name) ->
+ open(Name, #snmp_log{seqno = disabled}).
+open(Name, #snmp_log{seqno = SeqNoGen} = _OldLog) ->
+ %% We include mode in the opts just to be on the safe side
+ case disk_log:open([{name, Name}, {mode, read_write}]) of
+ {ok, Log} ->
+ %% SeqNo must be proprly initiated also
+ {ok, #snmp_log{id = Log, seqno = SeqNoGen}};
+ {repaired, Log, _RecBytes, _BadBytes} ->
+ {ok, #snmp_log{id = Log, seqno = SeqNoGen}};
+ ERROR ->
+ ERROR
+ end.
+
%% -- close ---
@@ -705,21 +723,21 @@ tsf_ge(_Local,Universal,{universal_time,DateTime}) ->
tsf_ge(Local,_Universal,DateTime) ->
tsf_ge(Local,DateTime).
-tsf_ge(TimeStamp,DateTime) ->
+tsf_ge(TimeStamp, DateTime) ->
T1 = calendar:datetime_to_gregorian_seconds(TimeStamp),
T2 = calendar:datetime_to_gregorian_seconds(DateTime),
T1 >= T2.
-tsf_le(_Local,_Universal,null) ->
+tsf_le(_Local, _Universal, null) ->
true;
-tsf_le(Local,_Universal,{local_time,DateTime}) ->
- tsf_le(Local,DateTime);
-tsf_le(_Local,Universal,{universal_time,DateTime}) ->
- tsf_le(Universal,DateTime);
-tsf_le(Local,_Universal,DateTime) ->
+tsf_le(Local, _Universal, {local_time, DateTime}) ->
+ tsf_le(Local, DateTime);
+tsf_le(_Local, Universal, {universal_time, DateTime}) ->
+ tsf_le(Universal, DateTime);
+tsf_le(Local, _Universal, DateTime) ->
tsf_le(Local,DateTime).
-tsf_le(TimeStamp,DateTime) ->
+tsf_le(TimeStamp, DateTime) ->
T1 = calendar:datetime_to_gregorian_seconds(TimeStamp),
T2 = calendar:datetime_to_gregorian_seconds(DateTime),
T1 =< T2.