 24 Jan 2019, Konstantin Olchanski, Bug Report, Custom script with new MIDAS
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> <input type=submit name=customscript value="test">
Stefan is right, input-type-submit has to be inside a form. This type of rpc call is "old school". Today, we should
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 11 Feb 2019, Konstantin Olchanski, Info, json-rpc request for ODB /Script and /CustomScript.
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I added json-rpc requests for ODB /Script and /CustomScript (the first one shows up on the status page in the left hand side menu, the
second one is "hidden", intended for use by custom pages).
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20 Feb 2019, Konstantin Olchanski, Info, odb needs protection against ctrl-c
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Even with the cm_watchdog signal removed, some trouble from UNIX signals remains.
This time, when one presses Ctrl-C at the wrong time, the Ctrl-C signal handler will run at the wrong time
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20 Feb 2019, Konstantin Olchanski, Info, odb needs protection against ctrl-c
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Commit f81ff3c protects db_lock/unlock, but not any of the other functions. What if we do ctrl-c in the middle
of some odb write operation in the middle of memory allocation, etc.
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20 Feb 2019, Konstantin Olchanski, Info, odb needs protection against ctrl-c
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> Not sure if you realized, but there is a two-stage Ctrl-C handling inside midas.
Hmm... I am looking at the ctrl-c handler inside odbedit.
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27 Feb 2019, Konstantin Olchanski, Info, mhttpd magic urls
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Here is the list of mhttpd magic URLs.
http "get" path:
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28 Feb 2019, Konstantin Olchanski, Info, resource file search path, mhttpd magic urls
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> url contains midas.js -> send_resource("midas.js")
mhttpd looks for resource files in these directories in this order:
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01 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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Before the days of javascript and ajax and web 2.0, MIDAS introduced "custom pages" for
building graphical display that could show "live" data from MIDAS and that could
have buttons and controls to operate slow controls equipment, etc.
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04 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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Hi, guys, as I was exploring the code and the commit history on Thursday (git rules!) and
as I worked on getting the old custom files to work with Suzannah on Friday, I think
I know how I want this code to work. I think there is no need to break with the old
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04 Mar 2019, Konstantin Olchanski, Forum, Best MIDAS branch/version for "production"
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Hi, Giorgio - you are asking excellent questions. I will try to answer them, but as ever, there are no
easy answers.
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05 Mar 2019, Konstantin Olchanski, Forum, Best MIDAS branch/version for "production"
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>
> PS other than the code peculiar to our experiment, I have made a little modification to the MIDAS install
> Makefile (I noticed that there is an "install" target but not an "uninstall" target so I wrote it).
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05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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> > - mhttpd cannot serve /etc/passwd by default as "/" is forbidden in file names added to /Custom/Path.
> You do this with a simple
> if (custom_path == "/")
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05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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> First, I did not propose to give up the /Custom tree in the ODB, sorry for the misunderstanding.
> We still need it in order to display the menu with the custom pages at the left side navigation bar.
> In principle all can stay like it is, except we remove /Custom/Path and rewrite the file server to restrict it only
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05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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> Just set
> /Custom/Path = /./
> which is allowed right now and then access etc/passwd, which translates to /./etc/passwd and then you get the password file.
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05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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> > We have several large installations at TRIUMF that use the old-style custom pages - MUSR, BNMR/BNQR, TITAN (and more?) -
> > none of these experiments are going away any time soon and none of these custom pages are rewriting themselves.
>
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05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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>
> That sounds fine, as long as it is clearly documented.
>
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05 Mar 2019, Konstantin Olchanski, Info, mhttpd magic urls
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> Here is the list of mhttpd magic URLs.
See additional magic URLs at the very bottom:
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06 Mar 2019, Konstantin Olchanski, Forum, Best MIDAS branch/version for "production"
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> > > Hmm... for most experiments, we do not "install" midas. I should probably remove the "install" target from the Makefile.
>
> install MIDAS in the /opt/midas folder to remain consistent with the other programs that we are using for
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06 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
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> > The biggest problem so far we have seen is with some pages having incorrect form submission
> > settings - some forms use the wrong form "action" attribute, which worked before, we do not know
> > why, and definitely does not work now. This is not something that we can fix on the midas side.
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06 Mar 2019, Konstantin Olchanski, Info, mhttpd magic urls
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> > Here is the list of mhttpd magic URLs.
> See additional magic URLs at the very bottom:
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