 13 Jun 2016, Konstantin Olchanski, Info, running mhttpd on port 443
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mhttpd running as non-root cannot bind to standard https port 443. By default, mhttpd uses port
8443 and it works just fine, but some applications such as the SSLlabs https tester insist on using
port 443.
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11 May 2016, Thomas Lindner, Info, MacOS 10.11 (El Capitan) openssl compilation errors
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I recently upgraded my macbook to MacOS 10.11. The compilation of MIDAS failed after the upgrade,
complaining about
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 12 May 2016, Stefan Ritt, Info, MacOS 10.11 (El Capitan) openssl compilation errors
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> I recently upgraded my macbook to MacOS 10.11. The compilation of MIDAS failed after the upgrade,
> complaining about
>
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17 May 2016, Konstantin Olchanski, Info, openssl situation, MacOS 10.11 (El Capitan) openssl compilation errors
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> I recently upgraded my macbook to MacOS 10.11.
> [ and midas would not compile ]
> It seems that MacOS has now fully removed openssl ...
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22 Apr 2016, Wes Gohn, Bug Report, Calling external script from sequencer
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Can the MIDAS Sequencer call an external script? It seems that it should be able to. I have a simple
test script to do so. It claims to execute, but the bash script never appears to be executed. Any
suggestions?
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22 Apr 2016, Wes Gohn, Bug Report, Calling external script from sequencer
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Nevermind. I just had to give it a path to my script. Now it's fine.
> Can the MIDAS Sequencer call an external script? It seems that it should be able to. I have a simple
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22 Mar 2016, Konstantin Olchanski, Info, emacs web-mode.el
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For those who use emacs to edit web pages - the built-in CSS and Javascript modes seem to work
just fine for editing files.css and files.js, but the built-in html modes fall flat on modern web pages
which contain a mix of html, javascript inside <script> tags and javascript inside button "onclick"
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18 Mar 2016, William Page, Bug Report, incomplete copy using odbedit copy
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Hi,
Attempting to copy a subtree to a new location in the ODB using odbedit with "copy <src> <dest>" is
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22 Mar 2016, Stefan Ritt, Bug Report, incomplete copy using odbedit copy
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> Hi,
>
> Attempting to copy a subtree to a new location in the ODB using odbedit with "copy <src> <dest>" is
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09 Mar 2016, Konstantin Olchanski, Info, /Experiment/Edit on start/Edit Run number
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The MIDAS documentation here:
https://midas.triumf.ca/MidasWiki/index.php/Edit-on-start_Parameters
is missing informaiton about this ODB entry:
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22 Feb 2016, ZiyiGuo, Forum, Problem with BLTRead
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Dear all,
I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
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23 Feb 2016, Pierre-Andre Amaudruz, Forum, Problem with BLTRead
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> Dear all,
>
> I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
|
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02 Mar 2016, ZiyiGuo, Forum, Problem with BLTRead
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> > Dear all,
> >
> > I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
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10 Dec 2015, Amy Roberts, Suggestion, script command limited to 256 characters; remove limit?
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Both the /Script and /CustomScript trees in the ODB allow users to trigger a
script via Midas - which silently truncates command strings longer than
256 characters.
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28 Jan 2016, Konstantin Olchanski, Suggestion, script command limited to 256 characters; remove limit?
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Thank you for reporting this problem:
a) ODB key *names* are restricted to 31 characters (32 bytes, last byte is a NUL), not 256 characters.
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28 Jan 2016, Amy Roberts, Suggestion, script command limited to 256 characters; remove limit?
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Using low-level memory allocation routines in higher-level programs like mhttpd makes me nervous.
We could use vector arrays to allow variable-sized allocation, and use the data() member function to access the char* needed for functions like strlcat,
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26 Feb 2016, Konstantin Olchanski, Suggestion, script command limited to 256 characters; remove limit?
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> Using low-level memory allocation routines in higher-level programs like mhttpd makes me nervous.
It should not, people have used malloc() for decades now without much injury to themselves. (Thomas corrects me: some people had big injury to their pride, |
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05 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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There were some complaints that the MIDAS sequencer was slow. Specifically, the
complaint was that even lines in the sequence that didn't do any (like COMMENT
commands) tooks > 100ms to execute. These slow sequencer steps could be a
|
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05 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> There were some complaints that the MIDAS sequencer was slow. Specifically, the
> complaint was that even lines in the sequence that didn't do any (like COMMENT
> commands) tooks > 100ms to execute. These slow sequencer steps could be a
|
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06 Feb 2016, Stefan Ritt, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> There were some complaints that the MIDAS sequencer was slow. Specifically, the
> complaint was that even lines in the sequence that didn't do any (like COMMENT
> commands) tooks > 100ms to execute. These slow sequencer steps could be a
|
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15 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> > I checked how much extra CPU was used if the sleep was reduced from 100ms to
> > 20ms. I found that when a sequence was not running the CPU increased from 0% to
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15 Feb 2016, Stefan Ritt, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
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> Hmm, yeah, I'm not sure about how to handle reducing the wait time to zero after ODB set commands.
>
> But it does seem like it would be straight-forward to increase the sleep time for waits; I'll look into
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30 Nov 2015, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
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The final bits of the JSON-RPC API to MIDAS are committed. The API uses the Javascript Promise mechanism (supported on all
supported platforms - MacOS, Windows, Linux Ubuntu, el5, el6, el7).
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02 Dec 2015, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
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> The final bits of the JSON-RPC API to MIDAS are committed.
Here is example conversion of the function "generate midas message" from old-style AJAX to JSON-RPC:
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28 Jan 2016, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
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> > The final bits of the JSON-RPC API to MIDAS are committed.
JSON-RPC methods are now provided for all old ODBxxx() javascript functions, except ODBGetMsg().
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05 Jan 2016, Tom Stuttard, Suggestion, 64 bit bank type
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I've seen that a similar question has been asked in 2011 but I'll ask again in
case there are any updates. Is there any way to write 64-bit data words to MIDAS
banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
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05 Jan 2016, Konstantin Olchanski, Suggestion, 64 bit bank type
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> I've seen that a similar question has been asked in 2011 but I'll ask again in
> case there are any updates. Is there any way to write 64-bit data words to MIDAS
> banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
|
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19 Jan 2016, Tom Stuttard, Suggestion, 64 bit bank type
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> > I've seen that a similar question has been asked in 2011 but I'll ask again in
> > case there are any updates. Is there any way to write 64-bit data words to MIDAS
> > banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
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10 Dec 2015, Stefan Ritt, Info, Small change in loading .odb files
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A small change in loading .odb files has been implemented. When you load an array from a .odb file, the indices in each line were not evaluated, only the
complete array was loaded. In our experiment we need however to load only a few values, like some HV values for some channels but leaving the other values
as they are. I changed slightly the code of db_paste() to correctly evaluate the index in each line of the .odb file. This way one can write for example |
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27 Nov 2015, Konstantin Olchanski, Info, updated: note on midas history
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(update: resolve all FIXMEs, document the breakup of "structured banks")
This note documents the workings of the midas history.
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24 Aug 2015, Konstantin Olchanski, Info, note on midas history
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>
> * |
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01 Sep 2015, Konstantin Olchanski, Info, note on midas history
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| Sorting |
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29 Oct 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
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If using a synchronous AJAX call, such as "foo=ODBGet("/runinfo/state");", google chrome will prints this to the javascript console:
"Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check http://xhr.spec.whatwg.org/."
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29 Oct 2015, Amy Roberts, Info, synchronous ajax deprecated
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We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using javascript
Promises.
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30 Oct 2015, Stefan Ritt, Info, synchronous ajax deprecated
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> We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using
javascript Promises.
>
|
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18 Nov 2015, Amy Roberts, Info, synchronous ajax deprecated
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> Why don't you post the functions here so that we can have a look?
Here is (1) my promisified HTTP request function and (2) a function that uses the returned promises to build an asynchronous, sequential chain of requests |
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18 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
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> > Why don't you post the functions here so that we can have a look?
> Here is (1) my promisified HTTP request function and (2) a function that uses the returned promises to build an asynchronous, sequential chain of requests
to Midas.
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19 Nov 2015, Amy Roberts, Info, synchronous ajax deprecated
|
> Right now the JSON-RPC client library does not check the return status of MIDAS calls themselves, i.e. ODBGet("/nonexistant") will go to Promise.resolve()
with
> the MIDAS db_find_key() status DB_NO_KEY instead of Promise.reject(). So some error handling in Promise.resolve() is still required.
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02 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
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> We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using
javascript Promises.
>
|
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17 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
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> > We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using
javascript Promises.
|
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18 Nov 2015, Amy Roberts, Info, synchronous ajax deprecated
|
> I checked again on browser compatibility:
>
> el6: firefox 38 - ok, google-chrome 27 - no
|
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26 Nov 2015, Konstantin Olchanski, Info, browser compatibility test: synchronous ajax deprecated
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> > I checked again on browser compatibility:
> >
> > el6: firefox 38 - ok, google-chrome 27 - no
|
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27 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
|
> > I checked again on browser compatibility:
> >
> > el6: firefox 38 - ok, google-chrome 27 - no
|
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24 Nov 2015, Robert Pattie, Forum, rpc_client_dispatch error
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I'm trying to set up an experiment with 2 frontends for the first time. When I
start the remote frontend I get the following errors:
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25 Nov 2015, Konstantin Olchanski, Forum, rpc_client_dispatch error
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Not clear on what you are doing, so here is the brief description:
- you have two machines - say "midas" and "frontend"
|
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20 Nov 2015, Konstantin Olchanski, Info, midas wiki doxygen documentation links
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I updated the links on the midas wiki to the doxygen-generated documentation for MIDAS that you
get after running "git clone midas; cd midas; make dox; firefox html/index.html".
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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 |
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29 Oct 2015, Konstantin Olchanski, Info, midas JSON-RPC interface
|
>
> My implementation follows these internet standards:
>
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29 Oct 2015, Konstantin Olchanski, Info, javascript docs, midas JSON-RPC interface
|
> 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
|
> >
> > 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
|
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
|
> 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
|
> > 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
|
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.
|
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.
|
> 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.
|
> > 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
|