Re: Monitor time statistics wrong (ITS#1984)

[masarati@aero.polimi.it]

asparks@quris.com writes: 

> Seem to have a problem w/ this patch, but am working around it.  My
> monitoring script tried to access: 
> 
> /opt/ldap/bin/ldapsearch -h ns01 -s base -b
> cn=Current,cn=Time,cn=Monitor 'objectClass=*' description 
> 
> This caused the server to dump core (signal 9) with traceback:
> #0  0xff0c9cf0 in __sigprocmask () from /usr/lib/libthread.so.1
> #1  0xff0bf324 in _resetsig () from /usr/lib/libthread.so.1
> #2  0xff0bea48 in _sigon () from /usr/lib/libthread.so.1
> #3  0xff0c194c in _thrp_kill () from /usr/lib/libthread.so.1
> #4  0xff1395d8 in abort () from /usr/lib/libc.so.1
> #5  0x23e158 in __eprintf ()

You're hitting an assert(); I'll check what's happening. 

> #6  0xb11d0 in monitor_subsys_time_update ()
> #7  0xde4fc in monitor_entry_update ()
> #8  0xaf5f8 in monitor_back_search ()
> #9  0x4430c in do_search ()
> #10 0x41410 in connection_done ()
> #11 0xf4c58 in ldap_pvt_thread_pool_destroy () 
> 
> -Alan 
> 
> Pierangelo Masarati said:
>> asparks@quris.com wrote:
>>> Full_Name: Alan Sparks
>>> Version: 2.1.3-RELEASE
>>> OS: Solaris 7
>>> URL: ftp://ftp.openldap.org/incoming/
>>> Submission from: (NULL) (65.101.243.201) 
>>>
>>>
>>> Start and current time statistics are incorrect.  A query for
>>> these entries on my system shows the following results (notice
>>> both times are 1/1/1970): 
>>>
>>> # Current, Time, Monitor
>>> dn: cn=Current,cn=Time,cn=Monitor
>>> objectClass: top
>>> objectClass: monitor
>>> objectClass: extensibleObject
>>> cn: Current
>>> description: 19700101000000Z 
>>>
>>> # Start, Time, Monitor
>>> dn: cn=Start,cn=Time,cn=Monitor
>>> objectClass: top
>>> objectClass: monitor
>>> objectClass: extensibleObject
>>> cn: Start
>>> description: 19700101000000Z 
>>>
>>
>> Sorry, my fault: a change to the normalization
>> (lowercase instead of uppercase) resulted
>> in breaking some monitor entry updates.  I've
>> temporarily fixed the problem; I decided to
>> move the timestamps in createTimestamp and
>> modifyTimestamp, that is: 
>>
>> cn=Start,cn=Time,cn=Monitor
>> holds the start time in createTimestamp 
>>
>> cn=Current,cn=Time,cn=Monitor
>> holds the start time in createTimestamp
>> and the current time in modifyTimestamp. 
>>
>> This allows generalizedTimeMatch operations
>> on the attributes; in a future development
>> a specific attribute will be added
>> for DSA timing. 
>>
>> --
>> Dr. Pierangelo Masarati               | voice: +39 02 2399 8309
>> mailto:pierangelo.masarati@polimi.it  | fax:   +39 02 2399 8334
>> http://www.aero.polimi.it/~masarati
>> Dip. Ing. Aerospaziale Politecnico di Milano,
>> via La Masa 34, 20156 Milano, Italy
>  
> 
> -- 
> Alan Sparks, Sr. UNIX Administrator     asparks@quris.com
> Quris, Inc.                             (720) 836-2058
 


Dr. Pierangelo Masarati               | voice: +39 02 2399 8309
Dip. Ing. Aerospaziale                | fax:   +39 02 2399 8334
Politecnico di Milano                 | mailto:pierangelo.masarati@polimi.it
via La Masa 34, 20156 Milano, Italy   | http://www.aero.polimi.it/~masarati