 17 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
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If it's a function intended for general use, it should be in midas.js.
The documentation for such a function should be made very clear that:
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17 Jun 2019, Konstantin Olchanski, Bug Fix, restored modbset() in midas.js
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> The modbset() function is used in many custom pages at PSI ...
I restored this function in midas.js with a documentation blurb warning about it's asynchronous nature and about the possibility of out-of-order writes.
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17 Jun 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
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> > Status update on the cmake conversion:
After the latest updates from Stefan & co, it looks like the cmake builds are working correctly,
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18 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
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> A ladder of promise event handlers is certainly one possibility to enforce the order of ODB writes, but I wonder if we could so something simpler:
>
> - modbset creates an object remembering the status of the RPC request. Initially, this object receives the status "open request"
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18 Jun 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
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> target_compile_options(rmlogger PRIVATE -DHAVE_ROOT)
Got it. Now I can build the duplets of mana.o and rmana.o (and .a) - mana always without ROOT, rmana with ROOT if available. This is the same as
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18 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
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> Just to make this point clear: The "write-to-odb-read-via-hotlink" was never meant to guarantee the receiving side to see each change. If changes happen
too often, updates might get lost. If one relies on the
> sequence of updates, one should use direct RPC calls to the frontend or use a midas buffer and encode updates in events.
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 19 Jun 2019, Konstantin Olchanski, Release, midas-2019-06 with cmake and c++
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We are happy to the midas release "midas-2019-06" with the build system implemented in cmake and the midas, mxml and mscb
projects switched to C++.
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25 Jun 2019, Konstantin Olchanski, Bug Report, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
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Yikes, the error is in the CRC library. The assembly-optimized crc32c function fails to build, and the
error does not look familiar to me. I do not see this error here. What is your host system ("uname -
a") and what is your gcc ("gcc -v")?
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25 Jun 2019, Konstantin Olchanski, Forum, Strange JS array creation
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> --> In the midas back-end I never created an array. I created an INT in the ODB with db_create_key(hDB, 0,
> "Equipment/Switching/Variables/DATA_WRITE", TID_INT). By using modset in javascript and parsing the string
> "/Equipment/Switching/Variables/DATA_WRITE[" + String(i) + "]" I call it like an array and it shows up like an
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26 Jun 2019, Konstantin Olchanski, Forum, Problem transferring fetest data from the remote frontend to the backend
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> Hi again, we now have Midas installed on the Rpi (remote frontend machine) and
> have managed to run Fetest on it. Now we are at a stage where we want to send
> the Fetest data over to the Data Acquisition machine ...
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27 Jun 2019, Konstantin Olchanski, Bug Report, Getting an error when trying to compile a frontend file
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If the latest midas does not work, try the previous release versions. "git tags" and "git branch -
a" will show you what exists. Look for branch and tag names in the form "midas-YYYY-MM".
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27 Jun 2019, Konstantin Olchanski, Bug Report, make linux32 bombs on el7 in crc32c.c, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
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Reproduced on el7 (CentOS7). Same thing works on el6 (SL6).
The error is in the SSE4.2-assembly-accelerated library for computing crc32c checksums. I do
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28 Jun 2019, Konstantin Olchanski, Bug Report, make linux32 bombs on el7 in crc32c.c, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
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> Reproduced on el7 (CentOS7). Same thing works on el6 (SL6).
Fixed in commit dd937e6. Only enable SSE4.2 crc32c for 64-bit compilation. Still not sure why it worked for 32-bit
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28 Jun 2019, Konstantin Olchanski, Bug Report, Status page reloads every second
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> We observed a strange behavior, from our point of view:
> ... the Midas status page started to reload/refresh every second
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02 Jul 2019, Konstantin Olchanski, Suggestion, my_global.h not present in my linux distribution (needed)
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Confirmed. my_global.h is removed in MySQL 8.0 (gives a compile error) and deprecated in
MariaDB 10.2 (gives a #warning).
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05 Jul 2019, Konstantin Olchanski, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
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> /home/hh19285/packages/rootana/include/TRootanaEventLoop.hxx:24:25: fatal error:
> THttpServer.h: No such file or directory
> #include "THttpServer.h"
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05 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
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> I am missing a few features.
MSL did not start out as a fully featured programming language.
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08 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
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> After a long overnight run to check that the frontend runs smoothly for a longer
> time, I stopped the run and the frontend was killed by midas.
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08 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
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> Konstantin, would you mind resurrecting and sharing the python code?
Not until September or later.
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08 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
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Hi, Stefan, on second thought, I agree, I do not know of any scripting language implementation (packaged as a library or not) that
can store it's state in a file ("checkpoint the execution") and that can execute it's program "one line at a time", like the midas
sequencer does now. In the most severe case, one invocation of msequencer executes one line of the msl script.
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