 16 Oct 2015, Konstantin Olchanski, Info, midas JSON-RPC interface
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To improve on the existing HTTP "GET" based AJAX interface to MIDAS, I have been looking at other possible RPCs.
The JSON-RPC standard looks to be the most interesting and my experimental implementation now reached the point where other midas users are welcome to |
 29 Oct 2015, Konstantin Olchanski, Info, midas JSON-RPC interface
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>
> My implementation follows these internet standards:
>
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29 Oct 2015, Konstantin Olchanski, Info, javascript docs, midas JSON-RPC interface
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> JSON-RPC interface
For interfacing to MIDAS just from browser javascript, the user does not need to know anything about JSON-RPC, all the user-level mjsonrpc_xxx() functions |
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02 Nov 2015, Konstantin Olchanski, Info, midas JSON-RPC interface
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> >
> > JSON-RPC My implementation follows these internet standards:
> >
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11 Nov 2015, Konstantin Olchanski, Info, merged: midas JSON-RPC interface
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The JSON RPC branch has been merged into main MIDAS. Other than adding new functions, there are no changes to existing MIDAS functionality.
This is the current JSON RPC schema: (from the MIDAS Help page)
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20 Nov 2015, Konstantin Olchanski, Info, documented, merged: midas JSON-RPC interface
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> The JSON RPC branch has been merged into main MIDAS.
The interface is now mostly documented, go here: https://midas.triumf.ca/MidasWiki/index.php/Mjsonrpc
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16 Jul 2015, Thomas Lindner, Bug Report, jset/ODBSet using true/false for booleans
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MIDAS does not seem to be consistent (or at least convenient) with how it
handles booleans in AJAX functions.
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29 Jul 2015, Stefan Ritt, Bug Report, jset/ODBSet using true/false for booleans
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See bitbucket for the solution.
https://bitbucket.org/tmidas/midas/issues/29/jset-odbset-using-true-false-for-booleans#comment-20550474 |
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25 Sep 2015, Konstantin Olchanski, Bug Report, jset/ODBSet using true/false for booleans
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> MIDAS does not seem to be consistent (or at least convenient) with how it
> handles booleans in AJAX functions.
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11 Nov 2015, Konstantin Olchanski, Bug Report, jset/ODBSet using true/false for booleans
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> > MIDAS does not seem to be consistent (or at least convenient) with how it
> > handles booleans in AJAX functions.
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05 Nov 2015, Amy Roberts, Bug Report, deferred transition causes sequencer to fail
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When using the sequencer to start and stop runs which use a deferred transition,
the sequencer fails with a "Cannot stop run: ..." error.
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28 Sep 2015, Anthony Villano, Suggestion, Feature Request: MIDAS sequencer abort.
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I am working for the SuperCDMS collaboration on some DAQ issues for our upcoming
SNOLAB installation. So far, the MIDAS sequencer seems to be a good paradigm
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22 Oct 2015, Konstantin Olchanski, Suggestion, Feature Request: MIDAS sequencer abort.
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> it would be useful to have a kind of scripted "abort" for when something goes wrong ...
How about having the sequencer switching from the aborted sequence file to the special "abort" sequence file? That
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22 Oct 2015, Stefan Ritt, Suggestion, Feature Request: MIDAS sequencer abort.
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> > it would be useful to have a kind of scripted "abort" for when something goes wrong ...
>
> How about having the sequencer switching from the aborted sequence file to the special "abort" sequence file? That
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24 Oct 2015, Stefan Ritt, Suggestion, Feature Request: MIDAS sequencer abort.
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> It would be useful to have it be specified for each script. Reason is that it's simpler, some scripts might only
> change a few sensitive settings, then on abort it only has to set back to "normal" what it touched to begin with.
> Also, the "normal" values are usually stored in local variables, so it's important to have those similarly accessible
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15 Oct 2015, Amy Roberts, Forum, lazylogger: a little less lazy?
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We're using the lazylogger to trigger a script that copies files, and the lag
between a completed file appearing and the lazylogger trigger occasionally feels
uncomfortably long. It's not too bad - at most, around five or so minutes. But
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23 Sep 2015, Peter Kravtsov, Forum, db_paste_node error in offline analyzer
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I have a problem with using analyzer offline.
I'm trying to do it this way:
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25 Sep 2015, Konstantin Olchanski, Forum, db_paste_node error in offline analyzer
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> I have a problem with using analyzer offline.
...
> [Analyzer,INFO] Set run number 20 in ODB
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03 Mar 2015, Zaher Salman, Forum, Starting program from custom page
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I am trying to start a program (fronend) from a custom page. What is the best
way to do that? Would ODBRpc() do this? if so can anyone give me an example of
how to do this. Thanks. |
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03 Mar 2015, Stefan Ritt, Forum, Starting program from custom page
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> I am trying to start a program (fronend) from a custom page. What is the best
> way to do that? Would ODBRpc() do this? if so can anyone give me an example of
> how to do this. Thanks.
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03 Mar 2015, Zaher Salman, Forum, Starting program from custom page
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> > I am trying to start a program (fronend) from a custom page. What is the best
> > way to do that? Would ODBRpc() do this? if so can anyone give me an example of
> > how to do this. Thanks.
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03 Mar 2015, Stefan Ritt, Forum, Starting program from custom page
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> Hi Stefan, thanks for the quick reply. I guess my question was not clear enough.
>
> My aim is to create a button which mimics the "Start/Stop" button functionality in the
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03 Mar 2015, Zaher Salman, Forum, Starting program from custom page
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Thank you very much, this is exactly what I need and it works.
Zaher
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22 Sep 2015, Zaher Salman, Forum, Starting program from custom page
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Just in case anyone needs this in the future I am adding a comment about this issue. After a few months of working
with this solution we noticed that when using
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23 Sep 2015, Konstantin Olchanski, Forum, Starting program from custom page
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Good news, on the new experimental branch feature/jsonrpc, I have implemented all 3 program management functions - start program,
stop program and "is running?" as JSON-RPC methods. On that branch, the midas "programs" page is done completely using
javascript.
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16 Sep 2015, Konstantin Olchanski, Info, midas wiki upgraded
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The midas wiki at https://midas.triumf.ca has been upgraded to mediawiki version 1.25.2 (current
production version). If you see any problems, please report them on this forum. K.O. |
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16 Sep 2015, Konstantin Olchanski, Forum, midas forum elog updated
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| the midas forum elog is updated to latest version from Stefan - ELOG V3.1.1-b4d2a37 built from git sources. K.O. |
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09 Sep 2015, Thomas Lindner, Info, mhttpd/SSL error message on MacOS
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On my macbook (OS X 10.10.3) I get this error message when starting mhttpd with mongoose-SSL:
[mhttpd,ERROR] [mhttpd.cxx:17092:mongoose,ERROR] mongoose web server error: set_ssl_option:
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11 Sep 2015, Konstantin Olchanski, Info, mhttpd/SSL error message on MacOS
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> On my macbook (OS X 10.10.3) I get this error message when starting mhttpd with mongoose-SSL:
>
> [mhttpd,ERROR] [mhttpd.cxx:17092:mongoose,ERROR] mongoose web server error: set_ssl_option:
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22 May 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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I updated the mhttpd HTTPS/SSL server (mongoose) and https://www.ssllabs.com/ssltest/index.html is
now more or less happy with it. google chrome connects using "modern cryptography".
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07 Jul 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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> mhttpd uses the latest release of mongoose 4.2 which is no longer supported by
> author. Latest version of mongoose is 5.x which has a severely improved API, but removed automatic
> multithreading.
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15 Jul 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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> > mhttpd uses the latest release of mongoose 4.2
mhttpd is now explicitly linked with OpenSSL to provide secure https connections via the mongoose web server.
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12 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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> > > mhttpd uses the latest release of mongoose 4.2
HTTPS support is completely broken in mongoose.c between July 28th (1bc9d8eae48f51ceb73ffd918046cfe74d286909)
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27 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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Stefan identified a serious multi-thread locking bug in mhttpd that affects the operation of the sequencer (a race condition between db_set_record() and
db_get_record() inside the hotlink code). This is now fixed. If you use the sequencer, please update mhttpd.cxx to the latest (or to this) version.
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31 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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Configuration of web server completely changed (merge of branch feature/mongoose-config2). Hopefully for the last time.
mhttpd is now controlled by these ODB variables:
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21 Aug 2015, Thomas Lindner, Info, mhttpd HTTPS/SSL server updated
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>
> I recommend that you use "mhttpd --mg" as the alternative for running "mhttpd -p" behind an apache
> proxy. Using "mhttpd -p" (no HTTPS/SSL) on an internet-connected machine is insecure and should not be
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27 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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>
> I find that I don't understand this recommendation to use secure mongoose
> instead of putting mhttpd behind an apache proxy.
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09 Sep 2015, Thomas Lindner, Info, mhttpd HTTPS/SSL server updated
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> >
> > I find that I don't understand this recommendation to use secure mongoose
> > instead of putting mhttpd behind an apache proxy.
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11 Sep 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
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>
> Thanks for the detailed explanation. I agree with your recommendations. I was mostly interested in having both options treated equally in the documentation.
>
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09 Sep 2015, Thomas Lindner, Info, Documentation regarding specifying custom pages
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Hi,
We have recently been changing the code in mhttpd that maps custom web pages and resources to
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02 Sep 2015, Konstantin Olchanski, Info, mlogger history changes
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The git branch feature/logger_db_watch is getting ready for merging into main midas.
The main change in the logger is the switch from db_open_record() to db_watch() as the
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20 Aug 2015, Thomas Lindner, Bug Report, MIDAS message page auto-size (horizontally) is annoying
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New version of MIDAS has a feature where it seems to automatically resize the
message page horizontally in order to fix each MIDAS message into one line.
Some of my MIDAS messages (in particular error messages, where I need details)
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21 Aug 2015, Stefan Ritt, Bug Report, MIDAS message page auto-size (horizontally) is annoying
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> New version of MIDAS has a feature where it seems to automatically resize the
> message page horizontally in order to fix each MIDAS message into one line.
> Some of my MIDAS messages (in particular error messages, where I need details)
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19 Aug 2015, Pierre Gorel, Bug Report, Sequencer limits
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While I know some of those limits/problems have been already been reported from
DEAP (and maybe corrected in the last version), I am recording them here:
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19 Aug 2015, Pierre-Andre Amaudruz, Bug Report, Sequencer limits
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These issues have been addressed by Stefan during his visit at Triumf last month.
The latest git has those fixes.
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19 Aug 2015, Konstantin Olchanski, Bug Report, Sequencer limits
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>
> See LOOP doc
> LOOP cnt, 10
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20 Aug 2015, Stefan Ritt, Bug Report, Sequencer limits
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> > - ODBGet (and ODBSet?) does seem to be able to take a variable as a path... I
> > was trying to use an array whose index would be incremented.
>
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24 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
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There is a number of problems with network security in midas. (as separate from
web/http/https security).
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28 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
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New git branch "feature/rpcsecurity" implements these security features:
- all UDP ports are bound to the localhost interface - connections from outside are not possible
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12 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
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> New git branch "feature/rpcsecurity" implements these security features:
Branch was merged into main midas with a few minor changes:
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14 Aug 2015, Stefan Ritt, Info, Merged - improved midas network security
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I tested the new scheme and am quite happy with. Just a minor thing. When I change the ACL, I get messages from all attached programs, like:
[local:Online:S]RPC hosts>set "Allowed hosts[1]" "host.psi.ch"
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14 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
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> [local:Online:S]RPC hosts>set "Allowed hosts[1]" "host.psi.ch"
> [ODBEdit,INFO] Reloading RPC hosts access control list via hotlink callback
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10 Aug 2015, Wes Gohn, Forum, bk_create change
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After pulling the newest version of midas, our compilation would fail on
bk_create, with the error:
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10 Aug 2015, Konstantin Olchanski, Forum, bk_create change
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> bk_create()
> frontend.cpp:954: error: invalid conversion from ‘DWORD**’ to ‘void**’
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15 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
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ROOT support in MIDAS is being reworked:
a) ROOT support moved from midas.h to rmidas.h
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22 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
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> ROOT support in MIDAS is being reworked:
>
> c) Makefile inconsistency between use of ROOTSYS and use of root-config has been identified,
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22 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
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> > ROOT support in MIDAS is being reworked:
> >
> > c) Makefile inconsistency between use of ROOTSYS and use of root-config has been identified,
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29 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
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The preliminary version of the .bashrc blurb looks like this
(a couple of flaws:
1) identification of CentOS7 is incomplete - please send me a patch
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15 Jul 2015, Konstantin Olchanski, Info, mlogger improvements
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A set of improvements to mlogger is in:
a) event buffer (SYSTEM) size up to 2GB
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23 Jul 2015, Konstantin Olchanski, Info, rootana lz4 support, mlogger improvements
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> A set of improvements to mlogger is in:
> b) test version of LZ4 high speed compression, support for bzip2 and pbzip2
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23 Jul 2015, Konstantin Olchanski, Info, mlogger improvements
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> A set of improvements to mlogger is in:
> The current test version implements the following selections of "compression":
>
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29 Jul 2015, Konstantin Olchanski, Info, mlogger improvements - CRC32C, SHA-2
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> A set of improvements to mlogger is in:
Preliminary support for CRC32-zlib, CRC32C, SHA-256 and SHA-512 is in. Checksums are computed correctly, but plumbing configuration is
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29 Jul 2015, Javier Praena, Forum, error 
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Hello, I am new in the forum. We are running an experiment for a week with no
problems. Now we add a detector a we found an error. Even we come back to our
previous configuration the error continues appearing. Please, may someone help
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29 Jul 2015, Wes Gohn, Forum, error
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SIGSEGV is a segmentation fault. Most often it means some ODB parameter is out of bounds or there is
an invalid memcpy somewhere in your code.
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29 Jul 2015, Konstantin Olchanski, Forum, error
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> Hello, I am new in the forum. We are running an experiment for a week with no
> problems. Now we add a detector a we found an error. Even we come back to our
> previous configuration the error continues appearing. Please, may someone help
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