 19 Mar 2018, Stefan Ritt, Suggestion, check current ODB size
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> > > A feature I always missed (or just missed to find in the docu) is the following:
> > > 1) It would be nice to have a command in odbedit which allows to check how full
> > > the ODB currently is.
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23 Mar 2018, Stefan Ritt, Bug Report, link to an array element displays whole array in mhttpd 
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It might have worked some ~5 years ago, but it never really showed the target value of a link, just the
link itself. I reworked the code now to show both the link and the target of the link, so you can change
both in the mhttpd ODB page. Should be consistent now with odbedit. Have a look if it works for you.
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18 Apr 2018, Stefan Ritt, Forum, new midas custom features and javascript
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The function mhttpd_init() scans the custom page and installs handlers etc. for each modbxxx
element. If you create an modbvalue dynamically in your code, this is probably done after you
called mhttpd_init(), so the function has no chance to modify the dynamically created element.
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04 May 2018, Stefan Ritt, Forum, ODB full
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Two options:
1) Do NOT send your events into the ODB. This is controlled via the flag RO_ODB in your frontend setting. For simple experiments with small events, it |
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22 Jun 2018, Stefan Ritt, Forum, custom script on custom page
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> Uncaught ReferenceError: XMLHttpRequestGeneric is not defined
> at cs_button (Trend:165)
> at HTMLInputElement.onclick (Trend:90)
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25 Aug 2018, Stefan Ritt, Forum, Int64 datatype
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> I would like to store the address of 1-Wire temperature sensors in a device
> driver. However, the supportet data types (as definded around
> include/midas.h:311) do not foresee a type large enough.
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29 Aug 2018, Stefan Ritt, Bug Report, Deleting Links in ODB via mhttpd
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> > Asume you have a variable foo and a link bar -> foo. When you go to the ODB in
> > mhttpd, click "Delete" and select bar, it actually deletes foo. bar stays,
> > stating "<cannot resolve link>". Trying the same in odbedit with rm gives the
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11 Sep 2018, Stefan Ritt, Forum, Launching an executable script from the sequencer
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> > Dear experts,
> > is there any way to launch an executable script on the host computer from the MIDAS
> > sequencer? If not, is there any interest to develop such a feature?
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25 Sep 2018, Stefan Ritt, Suggestion, Self-resetting alarm class
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> If you run an external script anyway, you can also call "odbedit -c alarm" to
> reset all alarms. Or you could try to set the "Triggered" entry of that certain
> alarm to 0 (again, with odbedit), that could also work.
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25 Sep 2018, Stefan Ritt, Suggestion, Self-resetting alarm class
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> I was planning to use the alarm system to display an information banner when a
> certain valve is open, but I would like it to go away again when the valve is
> closed.
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25 Sep 2018, Stefan Ritt, Forum, Implementing MIDAS on a Satellite
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> Hello Everybody,
>
> I am a member of a satellite team with a scientific payload and I am considering
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31 Oct 2018, Stefan Ritt, Bug Report, Side panel auto-expands when history page updates
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>
>
> One can collapse the side panel when looking at history pages with the button in
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02 Nov 2018, Stefan Ritt, Bug Report, Side panel auto-expands when history page updates
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> I apologise for miss using the word refresh. The re-appearing sidebar was also seen with the automatic
> reload, I have implemented your fix here and it now works great!
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02 Nov 2018, Stefan Ritt, Bug Report, Side panel auto-expands when history page updates
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> Joseph's original message says that the problem is with the standard MIDAS history page, which currently use a complete reload
> when refreshing. Of course we are planning to update this history pages to only grab what it needs (as well as changing the
> plotting to use newer HTML plotting). But until that upgrade happens your fix is helpful for the history page.
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30 Nov 2018, Stefan Ritt, Info, status of self-signed https certificates
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> In the mean time, we continue to recommend that mhttpd should be used behind a password protected https proxy (i.e. apache
> httpd, etc).
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11 Dec 2018, Stefan Ritt, Info, Partial refactoring of ODB code
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All makes sense to me. I agree to proceed with the refactoring.
One additional comment: In the 90's when I developed this code, locking was expensive. On a decent computer you could do a couple of thousand lock operations |
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21 Dec 2018, Stefan Ritt, Bug Report, mhttpd - custom page - RHEL/Fedora
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I implemented that fix. Thank you to Andreas. Creating "Custom" directory from the web now does
not have that problem any more.
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27 Dec 2018, Stefan Ritt, Info, Partial refactoring of ODB code
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> I am not sure this is quite true. The CPU can execute 3000 million operations per second (3GHz CPU, assuming 1 op/Hz),
> so 1 lock operation is worth 3000 normal operations. Of course cache misses and branch mispredictions mess up
> this simple arithmetic...
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27 Dec 2018, Stefan Ritt, Bug Report, mhttpd - custom page - RHEL/Fedora
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> BTW, "the fix" in mhttpd unconditionally creates /Custom/Path and sets it to the value of $MIDASSYS. This path
> seems to be prepended to all file paths, so this fix also breaks the normal use of /Custom/xxx that contain the full
> path name of the file to serve...
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22 Jan 2019, Stefan Ritt, Bug Report, Custom script with new MIDAS
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I just check that feature and found it's still working as expected.
On trap I fell in was that a custom page needs the <input type=submit ...> to be imbedded into a pair of
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