 01 Nov 2003, Stefan Ritt, , Do not frob
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> I found where we tickle the race condition in db_create_record().
>
> 1) in mhttpd.c, every time we show the status page, we call
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01 Nov 2003, Stefan Ritt, , more odb
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> I added error checking to the places where we read "/runinfo/run number". In
> general, I do this:
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14 Nov 2003, Stefan Ritt, , more odb
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Ok, I apologize. It's all ok. Thanks for clearifying. Concerning the assert's, it
would be nice to be able to disable them in release code. Under Windows, the
assert() is actually a macro which expands to zero if NDEBUG is defined. I
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16 Nov 2003, Stefan Ritt, , Phantom
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I have seen the same behaviour and it annoys me, too. What I did in the past
is a "cleanup" in ODBEdit which removes these open records. I have soem code
in cm_watchdog(), which should take care of that. If a client is dead, it
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 17 Nov 2003, Stefan Ritt, , Revised MVMESTD
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Let me propose a revised scheme for midas standard VME calls (mvmestd.h).
Pierre mentioned some limitations before, and I find now also some fields
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20 Nov 2003, Stefan Ritt, , Implementation of db_check_record()
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As Konstantin pointed out correctly, the db_create_record() call is pretty
heavy since it copies whole structures around the ODB. Therefore, it
should not used frequently. It might be that several problems are caused
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20 Nov 2003, Stefan Ritt, , Phantom
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I tried to reproduce the problem, but without success. So in case this happens
again, one should debug the code im cm_watchdog() next to the line
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20 Nov 2003, Stefan Ritt, , cannot shutdown defunct clients
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> 1) shutdown from mhttpd "programs" page -> "cannot shutdown client"
> 2) "sh mhttpd" from odbedit ->
> [midas.c:5298:cm_shutdown] cannot connect to client mhttpd on host
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20 Nov 2003, Stefan Ritt, , set-uid-root midas programs
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> dio- is required to be setuid-root to gain I/O permissions. I looked at it a
> few times, and it is probably safe, but I would like to get a second
> opinion. Stephan, can you should it to your local security geeks?
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20 Nov 2003, Stefan Ritt, , cannot shutdown defunct clients
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> INT == "int", wraparound in 1 month
> DWORD == "unsigned int", wraparound in 2 months
>
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21 Nov 2003, Stefan Ritt, , Revised MVMESTD
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Thanks for your contribution. Let me try to map your functionality to mvmestd calls:
> A) The VMIC vme_slave_xxx() options are not considered.
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24 Nov 2003, Stefan Ritt, , cannot shutdown defunct clients
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> But there is one problem with "cleanup". It has a hardwired timeout of
> 2 seconds. This is a problem for tasks like lazylogger which set a timeout
> of 60 seconds when moving the tape. So BEWARE, if you issue the "cleanup"
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30 Nov 2003, Stefan Ritt, , bad call to cm_cleanup() in fal.c
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> fal.c does not compile: it calls cm_cleanup() with one argument when there
> should be two arguments. K.O.
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30 Nov 2003, Stefan Ritt, , Implementation of db_check_record()
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| Fixed and committed. Can you check if it's working? |
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01 Dec 2003, Stefan Ritt, , delete key followed by create record leads to empty structure in experim.h
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> I have noticed a problem with deleting a key to an array in odb, then
> recreating the record as in the code below. The record is recreated
> successfully, but when viewing it with mhttpd, a spurious blank line
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12 Dec 2003, Stefan Ritt, , db_close_record non-local/non-return
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Hi Paul,
sorry my late reply, I had to find some time for debugging your problem.
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12 Dec 2003, Stefan Ritt, , Several small fixes and changes
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I committed several small fixes and changes:
- install.txt which mentions explicitly ROOT
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15 Dec 2003, Stefan Ritt, , Poll about default indent style
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Dear all,
there are continuing requests about the C indent style we use in midas. As
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18 Dec 2003, Stefan Ritt, , Alarm on no ping?
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> I want midas alarms to go off when I cannot ping arbitrary remote hosts. Is
> there is easy/preferred way to do this? K.O.
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18 Dec 2003, Stefan Ritt, , Poll about default indent style
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Hi Paul,
I agree with you that a nesting level of more than 4-5 is a bad thing, but I
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