 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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 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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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, Amy Roberts, Info, 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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19 Nov 2015, Amy Roberts, Info, synchronous ajax deprecated
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> 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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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, 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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08 Sep 2016, Amy Roberts, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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I've recently run into issues when using JSON.parse on ODB keys containing
8-bit data.
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09 Sep 2016, Amy Roberts, Suggestion, AJAX jmsg "get messages since t" ability - add to docs?
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I recently needed to watch the Midas messages for a particular error - and
thus needed a command to "get all the messages since a time t".
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16 Feb 2018, Amy Roberts, Suggestion, respect capitalization option in db_get_values mjsonrpc method?
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I'd like to use the mjsonrpc db_get_values method, but (as indicated in the
documentation) it returns all ODB keys as lowercase.
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17 Feb 2018, Amy Roberts, Suggestion, respect capitalization option in db_get_values mjsonrpc method?
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It appears I needed to read the documentation more closely - the method db_save
does respect key-name capitalization and solves my problem.
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28 Jan 2020, Amy Roberts, Suggestion, MIDAS tested with MariaDB?
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We're using the History Logger MIDAS feature and writing to mySQL tables, but
in some cases have run into issues installing mySQL on centos7 systems.
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29 Sep 2020, Amy Roberts, Forum, using python client to start and stop run
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I'm using a python client to start and stop runs, and the following code *appears*
to set the MIDAS state to "Run"
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24 Nov 2020, Amy Roberts, Suggestion, ODBSET wildcards with array keys in Sequencer files
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I'm interested in using the matching feature for ODBSET explained on
https://midas.triumf.ca/MidasWiki/index.php/Sequencer for settings that are in an
array, like:
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25 Nov 2020, Amy Roberts, Suggestion, ODBSET wildcards with array keys in Sequencer files
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The following all fail with "Cannot find ODB key "<key>""
ODBSET "/Detectors/Det*/Settings/Charge/Bias (V)[*]" 0
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25 Nov 2020, Amy Roberts, Suggestion, ODBSET wildcards with array keys in Sequencer files
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I think the issue may be the version of MIDAS I'm using. Mine is current as of February 4, 2020.
But since then there have been changes to the sequencer code, specifically parts that handle indexing.
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17 Dec 2020, Amy Roberts, Suggestion, Improving variable functionality in Sequencer?
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We're using the sequencer to manage runs, and this typically looks something like:
1. save ODB keys to variables via ODBGET
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05 Jan 2021, Amy Roberts, Suggestion, Improving variable functionality in Sequencer?
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Hello, just wanted to re-ping on this question now that folks are starting to get back from
the holidays. |
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14 Oct 2021, Amy Roberts, Suggestion, Adding (or improving discoverability) of TID for odbset
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Creating an ODB key requires users to know the Type ID that are defined in
https://bitbucket.org/tmidas/midas/src/develop/include/midas.h starting at line 320.
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06 Jan 2020, Alireza Talebitaher, Forum, SSL_ERROR_NO_CYPHER_OVERLAP 
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Hello,
I am quite new in both Linux and MIDAS.
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