 02 Apr 2013, Konstantin Olchanski, Info, Review of github and bitbucket
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Hi, thanks for your positive feedback. I have been using git for small private projects for a few years now
and I like it. It is similar to the old SCCS days - good version control without having to setup servers,
accounts, doodads, etc.
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 05 Apr 2013, Konstantin Olchanski, Info, ODB JSON support
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odbedit can now save ODB in JSON-formatted files. (JSON is a popular data encoding standard associated
with Javascript). The intent is to eventually use the ODB JSON encoder in mhttpd to simplify passing of
ODB data to custom web pages. In mhttpd I also intend to support the JSON-P variation of JSON (via the
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11 Apr 2013, Konstantin Olchanski, Forum, Persistent ipcrm error
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> [system.c:308:ss_shm_open,ERROR] Shared memory segment with key 0x4d008002 already exists,
please remove it manually: ipcrm -M 0x4d008002
> [midas.c:1950:cm_connect_experiment1,ERROR] cannot open database
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30 Apr 2013, Konstantin Olchanski, Info, ROOT switched to GIT
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Latest news - the ROOT project switched from SVN to GIT.
Announcement:
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06 May 2013, Konstantin Olchanski, Info, Recent-ish SVN changes at PSI
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A little while ago, PSI made some changes to the SVN hosting. The main SVN URL seems to remain the
same, but SVN viewer moved to a new URL (it seems a bit faster compared to the old viewer):
https://savannah.psi.ch/viewvc/meg_midas/trunk/
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06 May 2013, Konstantin Olchanski, Info, TRIUMF MIDAS page moved to DAQWiki
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The MIDAS web page at TRIUMF (http://midas.triumf.ca) moved from the daq-plone site to the DAQWiki
(MediaWiki) site. Links were updated, checked and corrected:
https://www.triumf.info/wiki/DAQwiki/index.php/MIDAS
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07 May 2013, Konstantin Olchanski, Info, Updated: javascript custom page examples
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I updated the MIDAS javascript examples in examples/javascript1. All existing mhttpd.js functions are
now exampled. (yes).
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10 May 2013, Konstantin Olchanski, Bug Fix, Fixed: crash if alarm "write elog message" is enabled
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If the MIDAS Alarm property "write elog message" is enabled, an uninitialized variable "tag" is passed to
el_submit() and depending on your luck, cause a crash. "tag" is supposed to be and is now a NUL-
terminated string. The only other use of el_submit() is in mhttpd.cxx and mserver.c, where it is called
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10 May 2013, Konstantin Olchanski, Info, mhttpd JSON support
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> odbedit can now save ODB in JSON-formatted files.
> Added functions:
> INT EXPRT db_save_json(HNDLE hDB, HNDLE hKey, const char *file_name);
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10 May 2013, Konstantin Olchanski, Info, Updated: javascript custom page examples
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> ODBCopy(path, format); -- no doc
Updated example of ODBCopy:
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17 May 2013, Konstantin Olchanski, Info, mhttpd JSON-P support
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>
> Added JSON encoding format to Javascript ODBCopy(path,format) ("jcopy"). Use format="json", Javascript example updated with an example example.
>
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31 May 2013, Konstantin Olchanski, Info, mhttpd JSON-P support
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> To see how it all works, please look at examples/javascript1/example.html.
>
> - JSON encoding has an extra layer of objects (variables.Variables.foo instead of variables.foo)
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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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