 21 Nov 2007, Konstantin Olchanski, Forum, ODBv3, second try - Midas on a x86_64 - incompatible with x86_32
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These changes to make 32-bit and 64-bit ODB binary compatible with each other are now commited to midas svn, revision 4080.
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13 Feb 2008, Konstantin Olchanski, Info, Implementation of relative paths in mhttpd
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> A major change was made to mhttpd, changing all internal URLs to relative paths.
> This allows proxy access to mhttpd via an apache server for example, which might
> be needed to securely access an experiment from outside the lab through a
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13 Feb 2008, Konstantin Olchanski, Info, Roll-back for history sytem added
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> The midas history system always had the problem that the database can get
> corrupted if the disk gets full where the history records (*.hst & *.idx) are
> stored.
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 13 Feb 2008, Konstantin Olchanski, Info, mhttpd history display updates
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I now merged almost all the mhttpd changes from CERN AD-5/ALPHA. Only the code
for mhttpd HTTP:// access control list remains unmerged.
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18 Feb 2008, Konstantin Olchanski, Bug Report, mhttpd safari 3.0.4 redirect problem
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I now encountered a new problem with mhttpd - I connect using the Safari 3.0.4 browser, go to the
"Programs" page, press the button "Start feplc" (or any other "start" button) and instead of starting this
program, I get an error in the browser, funny entries in ODB in "/Programs", corrupted ODB and a spew
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18 Feb 2008, Konstantin Olchanski, Bug Report, potential memory corruption in odb,c:extract_key()
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It looks like ODB function extract_key() will overwrite the array pointed to by "key_name" if given an odb
path with very long names (as seems to happen when redirection explodes in the Safari web browser, via
db_get_value(TRUE) via mhttpd "start program" button). All callers of this function seem to provide 256
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21 Feb 2008, Konstantin Olchanski, Info, mhttpd history display updates
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> You misspelled one ODB entry:
> Line 9014:
> sprintf(str, "/History/Display/%s/Label", path);
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21 Feb 2008, Konstantin Olchanski, Bug Report, potential memory corruption in odb,c:extract_key()
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> It looks like ODB function extract_key() will overwrite the array pointed to by "key_name" if given an odb
> path with very long names (as seems to happen when redirection explodes in the Safari web browser, via
> db_get_value(TRUE) via mhttpd "start program" button). All callers of this function seem to provide 256
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27 Feb 2008, Konstantin Olchanski, Bug Report, NEED_SHLIB=1 is broken
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--- Makefile (revision 4129)
+++ Makefile (working copy)
- $(LIB_DIR)/mxml.o $(LIB_DIR)/cnaf_callback.o \
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27 Feb 2008, Konstantin Olchanski, Info, CAMAC register_cnaf_callback() - removed from libmidas
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> > Affected files:
> > Makefile (add cnaf_callback.o)
> That's a good idea.
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27 Feb 2008, Konstantin Olchanski, Bug Report, mhttpd: cannot attach history to elog
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From "history" pages, the "create elog" button stopped working - it takes us to the elog entry form, but
then, the "submit" button does not create any elog entries, instead dumps us into an invalid history
display. This is using the internal elog.
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28 Feb 2008, Konstantin Olchanski, Bug Report, mhttpd: cannot attach history to elog
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> From "history" pages, the "create elog" button stopped working - it takes us to the elog entry form, but
> then, the "submit" button does not create any elog entries, instead dumps us into an invalid history
> display. This is using the internal elog.
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07 Mar 2008, Konstantin Olchanski, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
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The mhttpd host-based access control list as used by ALPHA at CERN is now committed to
SVN (revision 4135).
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10 Mar 2008, Konstantin Olchanski, Suggestion, New Makefile for building MIDAS
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> I rewrote the Makefile for MIDAS in order to make it tidy.
Not that the current Makefile is too pretty (I have seen worse), but it works and it is fairly compact for a project of
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10 Mar 2008, Konstantin Olchanski, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
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> While your "positive list" will certainly work, it is much more inflexible than a more
> general hosts.allow/hosts.deny with wildcards. Assume some experiment decides it wants to
> be controlled from all inside CERN. With hosts.allow/deny you could do
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12 Mar 2008, Konstantin Olchanski, Suggestion, New Makefile for building MIDAS
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> > Most experience with autoconf/automake is all negative. The promise was "never debug your Makefile ever
> > again!", delivered was "debug the configure script instead!".
>
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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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23 Mar 2008, Konstantin Olchanski, Info, History SQL database poll: MySQL, PgSQL, ODBC?
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I would like to hear from potential users on which SQL database would be
preferable for storage of MIDAS history data.
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02 Apr 2008, Konstantin Olchanski, Info, add "const" attributes to db_xxx() functions
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Now that we use more and more C++, lack of "const" attribute on most midas functions is causing some
problems. I am now ready to commit changes to midas.h and odb.c that add the const attributes to ODB
access functions db_xxx(), i.e.
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