 10 Jun 2013, Konstantin Olchanski, Forum, ladd00.triumf.ca https ssl certificate update, elogd update, relocation.
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The HTTPS SSL certificate on ladd00.triumf.ca has been updated. Same as the old
certificate, the new one is self-signed and your web browser may complain about
that and ask you to "save a security exception".
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22 Jul 2013, Konstantin Olchanski, Info, MidasWiki at TRIUMF
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We are happy to announce the creation of the MidasWiki at TRIUMF (https://midas.triumf.ca) as the
new location of MIDAS documentation, user instructions, examples, etc.
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22 Jul 2013, Konstantin Olchanski, Info, MIDAS source code converted from SVN to GIT
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The MIDAS source code repository was converted from SVN to GIT, hosted as bitbucket:
https://bitbucket.org/tmidas.
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 24 Jul 2013, Konstantin Olchanski, Info, MidasWiki at TRIUMF
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> We are happy to announce the creation of the MidasWiki at TRIUMF
> https://midas.triumf.ca
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26 Jul 2013, Konstantin Olchanski, Bug Report, abort on buffer overflow in odb.c::merge_records()
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The odb.c function merge_records() has a fixed size array of 10000 bytes to handle the data and it
aborts with an assert() if passed data bigger than that. It is called from db_create_record() which
already allocates a data buffer of correct size for it's operations.
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26 Jul 2013, Konstantin Olchanski, Bug Report, odbedit fixed size buffer overrun
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odbedit uses a fixed size buffer for ODB data. If an array in ODB is bugger than this size,
db_get_data() correctly returns DB_TRUNCATED and there is no memory overwrite, but the following
code for printing the data does not know about this truncation and proceeds printing memory
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02 Aug 2013, Konstantin Olchanski, Bug Fix, multithreaded run transitions work!
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As of commit
https://bitbucket.org/tmidas/midas/commits/dfa5fb1a93cae11a2960d441044c7fd277e1f0ec
(we are now liberated from the tyranny of SVN IDs),
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21 Aug 2013, Konstantin Olchanski, Info, Documentation for ODBGet() & co, Javascript and AJAX functions.
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The bulk of the MIDAS AJAX and Javascript functions is now documented on the MIDAS Wiki:
https://midas.triumf.ca/MidasWiki/index.php/Mhttpd.js
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22 Aug 2013, Konstantin Olchanski, Info, Documentation for ODBGet() & co, Javascript and AJAX functions.
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> The bulk of the MIDAS AJAX and Javascript functions is now documented on the MIDAS Wiki:
>
> https://midas.triumf.ca/MidasWiki/index.php/Mhttpd.js
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26 Aug 2013, Konstantin Olchanski, Bug Fix, Enable cross-site requests in mhttpd
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Javascript "AJAX" functions (and their MIDAS wrappers - ODBGet/ODBSet) are subject to something called
"same origin policy" intended to prevent something called "cross-site scripting attacks", i.e. see
http://en.wikipedia.org/wiki/Same-origin_policy
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13 Sep 2013, Konstantin Olchanski, Forum, MIDAS CITATION
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>
> I have been using your software in my lab (APC, Paris)
> to run our data acqusition system. It is very robust and flexible.s
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13 Sep 2013, Konstantin Olchanski, Bug Report, mhttpd truncates string variables to 32 characters
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I can confirm part of the problem - the new inline-edit function - after you finish editing - shows you what you
have typed, not what's actually in ODB - at the very end it should do an ODBGet() to load the actual ODB
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14 Sep 2013, Konstantin Olchanski, Info, mktime() and daylight savings time
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I would like to share with you a silly problem with mktime() and daylight savings time (Summer
time/Winter time) that I have run into while working on the mhttpd history query page.
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18 Sep 2013, Konstantin Olchanski, Bug Report, mhttpd truncates string variables to 32 characters
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I confirm the second part of the problem.
Inline edit uses ODBSet(), which uses the "jset" AJAX call to mhttpd which does not extend string variables.
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24 Sep 2013, Konstantin Olchanski, Info, mktime() and daylight savings time
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> I vaguely remember that I had a similar problem with ELOG. The solution was to call tzset() at the beginning of the program. The man page says that
> this function is called automatically by programs using time zones, but apparently it is not. Can you try that? There is also the TZ environment
> variable and /etc/localtime. I never understood the details, but playing with these things can influence mktime() and localtime().
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25 Sep 2013, Konstantin Olchanski, Info, Documentation for ODBGet() & co, Javascript and AJAX functions.
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> > The bulk of the MIDAS AJAX and Javascript functions is now documented on the MIDAS Wiki:
> >
> > https://midas.triumf.ca/MidasWiki/index.php/Mhttpd.js
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27 Sep 2013, Konstantin Olchanski, Info, ODB JSON support
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> odbedit can now save ODB in JSON-formatted files.
>
> JSON encoding implementation follows specifications at:
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01 Oct 2013, Konstantin Olchanski, Info, MacOS select() problem
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The following code found in mhttpd does not work on MacOS (BSD UNIX).
On Linux, the do-loop will finish after 2 seconds as expected. On MacOS (and other BSD systems), it will
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09 Oct 2013, Konstantin Olchanski, Info, ODB JSON support
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> > odbedit can now save ODB in JSON-formatted files.
> A bug was reported in my JSON ODB encoder: NaN values are not encoded correctly.
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22 Oct 2013, Konstantin Olchanski, Info, midas programs "auto start", etc
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MIDAS "programs" settings include: /programs/xxx/"auto start", "auto restart" and "auto stop". What do
they do?
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