 07 May 2009, Konstantin Olchanski, Bug Fix, mhttpd "Names" length
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mhttpd did not like it when the equipment "Names" arrays had different length compared to the
corresponding "Variables" arrays. These limitations are now removed.
svn rev 4469
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17 Apr 2009, Jimmy Ngai, Forum, MIDAS mhttpd custom page questions 
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Dear All,
I have created a custom page (please see the attachment) and imported into
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 20 Apr 2009, Jimmy Ngai, Forum, MIDAS mhttpd custom page questions
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Dear All,
I have one more question. I use <odb src="odb field" edit=1> to display an
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06 May 2009, Stefan Ritt, Forum, MIDAS mhttpd custom page questions
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> I have one more question. I use <odb src="odb field" edit=1> to display an
> editable ODB value, but how can I show this value in hexadecimal?
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06 May 2009, Stefan Ritt, Forum, MIDAS mhttpd custom page questions
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> 1) I display the status of the run with <odb src="/Runinfo/State">, but it
> returns numbers which is not user friendly. How can I make something
> like "Running" with green background and "Stopped" with red background in the
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04 Mar 2009, Dawei Liu, Forum, Analyzer gets killed cm_watchdog
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Hello Midas experts:
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24 Mar 2009, Stefan Ritt, Forum, Analyzer gets killed cm_watchdog
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Hi,
your log script sound to me like the analyzer either got into an infinite loop or
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17 Jan 2009, Konstantin Olchanski, Info, mhttpd, mlogger updates
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mhttpd and mlogger have been updated with potentially troublesome changes.
Before using these latest versions, please make a backup of your ODB. This is
svn revisions 4434 (mhttpd.c) and 4435 (mlogger.c).
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21 Jan 2009, Andreas Suter, Bug Report, mhttpd, mlogger updates
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There is an obvious "unwanted feature" in this version of the mhttpd. It writes the
"plot time" into the gif (mhttpd, if-statement starting in line 8853).
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18 Feb 2009, Konstantin Olchanski, Info, odbc sql history mlogger update
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> mhttpd and mlogger have been updated with potentially troublesome changes.
> These new features are now available:
> - a "feature complete" implementation of "history in an SQL database".
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26 Jan 2009, Derek Escontrias, Forum, Question - ODB access from a custom page
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Hi, I am looking for a way to mutate ODB values from a custom page. I have been
using the edit attribute for the 'odb' tag, but for some things it would be nice
if a form can handle the change. I have seen references to ODBSet on the forums,
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27 Jan 2009, Suzannah Daviel, Forum, Question - ODB access from a custom page
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At present the only documentation on the Javascript library is in this elog
e.g. Message 496 31 Jul 08
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20 Jan 2009, Stefan Ritt, Info, Subrun scheme implemented
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A new "subrun" scheme has been implemented in mlogger to split a big data file into several individual data files. This feature might be helpful if a data
file from a single run gets too large (>4 GB for example) and if shorter runs are not wanted for efficiency reasons. The scheme works as follows:
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23 Jan 2009, Renee Poutissou, Info, Subrun scheme implemented
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Hi Stefan,
My colleague Tobi Raufer (tobi.raufer@stfc.ac.uk) has tested this new implementation and
sent me the following questions:
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25 Jan 2009, Stefan Ritt, Info, Subrun scheme implemented
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[quote="Renee Poutissou"]I have tested the new subrun functionality a bit more and I have two observations. First, it seems to work on a basic level, i.e.
subruns are created, which are equal in size. However, I can't relate their size to the byte limit set in the ODB.[/quote]
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09 Jan 2009, Derek Escontrias, Forum, mlogger problem
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Hi,
I am running Scientific Linux with kernel 2.6.9-34.EL and I have
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13 Jan 2009, Stefan Ritt, Forum, mlogger problem
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> Hi,
>
> I am running Scientific Linux with kernel 2.6.9-34.EL and I have
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13 Jan 2009, Derek Escontrias, Forum, mlogger problem
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> > Hi,
> >
> > I am running Scientific Linux with kernel 2.6.9-34.EL and I have
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13 Jan 2009, Stefan Ritt, Forum, mlogger problem
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> Sorry for being vague. I cleaned up the ODB, but it doesn't seem to be the
> problem. Here is a sample run of mlogger and gdb:
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14 Jan 2009, Konstantin Olchanski, Forum, mlogger problem
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> The problem was already fixed some time ago, so please update your version from the SVN
> revision (see https://midas.psi.ch/download.html for details).
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01 Jan 2009, Konstantin Olchanski, Info, odb "hot link" magic explored
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Here are my notes on the MIDAS ODB "hot link" function. Perhaps others can find them useful.
Using db_open_record(key,function), the user can tell MIDAS to call the specified user function when
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14 Jan 2009, Stefan Ritt, Info, odb "hot link" magic explored
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[quote="KO"]note 1: I do not completely understand the ss_suspend_xxx() stuff. The best I can tell is it creates a number of udp sockets bound to the local
host and at least one udp rpc receive socket ultimately connected to the cm_dispatch_rpc() function.[/quote]
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12 Dec 2008, Jimmy Ngai, Info, Custom page which executes custom function
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Dear All,
How can I add a button at the top of the "Status" webpage which will show a
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14 Dec 2008, Stefan Ritt, Info, Custom page which executes custom function
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> How can I add a button at the top of the "Status" webpage which will show a
> page similar to the "CNAF" one after I click on it? and how can I make a
> custom page similar to "CNAF" which allow me to call some custom funtions? I
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01 Jan 2009, Konstantin Olchanski, Info, Custom page which executes custom function
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> How can I add a button at the top of the "Status" webpage which will show a
> page similar to the "CNAF" one after I click on it? and how can I make a
> custom page similar to "CNAF" which allow me to call some custom funtions? I
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13 Jan 2009, Stefan Ritt, Info, Custom page which executes custom function
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The UDP connection you mention is only used locally for inter-process communication. When I implemented that, I
made extensive tests and found that there is never a packet being dropped. This happens for UDP only if the packet
goes over a physical network. Maybe this is different in modern Linux versions, so one should double check this
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17 Dec 2008, Renee Poutissou, Bug Report, Overflow on "cm_msg" command generates segfault
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The following error has been reported to me by T2K colleagues:
When using "odbedit -c "msg my_message", the following behavior
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22 Dec 2008, Stefan Ritt, Bug Report, Overflow on "cm_msg" command generates segfault
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> The following error has been reported to me by T2K colleagues:
>
> When using "odbedit -c "msg my_message", the following behavior
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21 Dec 2008, Konstantin Olchanski, Bug Fix, mhttpd minor bug fixes and improvements
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Committed minor bug fixes and improvements to mhttpd:
1) when generating history plots, use type "double" instead of "float" because "float" does not have enough
significant digits to plot values of large integer numbers. For example, serial numbers of T2K FGD FEB
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27 Nov 2008, Konstantin Olchanski, Bug Fix, Fix ss_file_size() on 32-bit Linux
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It turns out that on 32-bit Linux, ss_file_size() returns the wrong answer for
files bigger than 2 GB (4GB?). The Linux stat() system call returns an error
(which is ignored) and bogus file size data (returned to the caller).
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01 Dec 2008, Stefan Ritt, Bug Fix, Fix ss_file_size() on 32-bit Linux
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> I also changed ss_file_size(), ss_disk_size() and ss_disk_free() to return -1 if
> the system call returns an error. I also added a test program
> utils/test_ss_file_size.c.
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02 Dec 2008, Stefan Ritt, Bug Fix, Fix ss_file_size() on 32-bit Linux
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> I now fixed this problem by using the stat64() system call for "#ifdef OS_LINUX".
That does not work if _LARGEFILE64_SOURCE is not defined. In that case, the compiler
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02 Dec 2008, Konstantin Olchanski, Bug Fix, Fix ss_file_size() on 32-bit Linux
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> > I now fixed this problem by using the stat64() system call for "#ifdef OS_LINUX".
> That does not work if _LARGEFILE64_SOURCE is not defined.
> #ifdef _LARGEFILE64_SOURE
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02 Dec 2008, Stefan Ritt, Bug Fix, Fix ss_file_size() on 32-bit Linux
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[quote="K.O."]This does not work (observe the typoe in the #ifdef).[/quote]
Sorry for that, I fixed and committed it.
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01 Dec 2008, Randolf Pohl, Bug Report, gcc warning in melog.c for midas 4401
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Hi all,
I have just compiled midas 4401 using SuSE 11.0.
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23 Mar 2008, Konstantin Olchanski, Info, Per-variable history implementation in the mlogger
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The changes to mlogger implementing per-variable history have been committed to
svn. Revision 4145.
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23 Mar 2008, Konstantin Olchanski, Info, Per-variable history implementation in the mlogger
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> The changes to mlogger implementing per-variable history have been committed to
> svn. Revision 4145.
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27 Nov 2008, Konstantin Olchanski, Info, Fixed mlogger crash, was Per-variable history implementation in the mlogger
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> revision 4142+4143 are minor fixes, refactoring (switch the code to use helper
> functions) and implementation of history for structured banks
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25 Mar 2008, Stefan Ritt, Info, Per-variable history implementation in the mlogger
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Before approving the code, two conditions have to be fulfilled:
1) The code has to work on PSI experiments
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27 Nov 2008, Konstantin Olchanski, Info, lazylogger updated
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lazylogger was updated to improve handling of the list of runs still on disk
(odb /Lazy/xxx/List).
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14 Oct 2004, Konstantin Olchanski, Bug Report, lazylogger complains about zero-size files
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With latest midas, I see this:
Thu Oct 14 19:31:17 2004 [Lazy_Tape] [lazylogger.c:1717:Lazy] lazy_file_exists
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27 Nov 2008, Konstantin Olchanski, Bug Report, lazylogger complains about zero-size files
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I now have a better understanding of this: lazylogger uses ss_file_size() to find
out if a file exists or not. This function used to return 0 (probably) for
non-existant files (there was no check for error status from stat() system call,
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26 Nov 2008, Jimmy Ngai, Info, Send email alert in alarm system
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Dear All,
We have a temperature/humidity sensor in MIDAS now and will add a liquid level
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26 Nov 2008, Stefan Ritt, Info, Send email alert in alarm system
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> We have a temperature/humidity sensor in MIDAS now and will add a liquid level
> sensor to MIDAS soon. We want the operators to get alerted ASAP when the
> laboratory environment or the liquid level reached some critical levels. Can
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20 Nov 2008, Jimmy Ngai, Info, Recommended platform for running MIDAS
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Dear All,
Is there any recommended platforms for running MIDAS? Have anyone encountered
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20 Nov 2008, Stefan Ritt, Info, Recommended platform for running MIDAS
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> Dear All,
>
> Is there any recommended platforms for running MIDAS? Have anyone encountered
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20 Oct 2008, Suzannah Daviel, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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I am using an external Custom web page via a link in the ODB in /Custom, and
Javascript to add customscript button(s) and run start/stop buttons.
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29 Oct 2008, Stefan Ritt, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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To fix this problem, do the following:
- Update to the current SVN revision 4368 of mhttpd.c
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04 Nov 2008, Suannah Daviel, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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Thanks Stefan.
Your fix works nicely with the start/stop buttons not returning to the same or to a
different web page.
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09 Nov 2008, Stefan Ritt, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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> Thanks Stefan.
> Your fix works nicely with the start/stop buttons not returning to the same or to a
> different web page.
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04 Nov 2008, Suzannah Daviel, Suggestion, <odb ... edit=1> buttons and javascript
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When writing custom webpages, it would be nice to be able to write code such as
<odb src="/Equipment/TITAN_ACQ/ppg cycle/trans3/time offset (ms)" edit=1>
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09 Nov 2008, Stefan Ritt, Suggestion, <odb ... edit=1> buttons and javascript
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> When writing custom webpages, it would be nice to be able to write code such as
>
> <odb src="/Equipment/TITAN_ACQ/ppg cycle/trans3/time offset (ms)" edit=1>
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