16 Sep 2015, Konstantin Olchanski, Info, midas wiki upgraded
|
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. |
16 Sep 2015, Konstantin Olchanski, Forum, midas forum elog updated
|
the midas forum elog is updated to latest version from Stefan - ELOG V3.1.1-b4d2a37 built from git sources. K.O. |
09 Sep 2015, Thomas Lindner, Info, mhttpd/SSL error message on MacOS
|
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:
|
11 Sep 2015, Konstantin Olchanski, Info, mhttpd/SSL error message on MacOS
|
> 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:
|
22 May 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
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".
|
07 Jul 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
> 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.
|
15 Jul 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
> > 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.
|
12 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
> > > mhttpd uses the latest release of mongoose 4.2
HTTPS support is completely broken in mongoose.c between July 28th (1bc9d8eae48f51ceb73ffd918046cfe74d286909)
|
27 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
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.
|
31 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
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:
|
21 Aug 2015, Thomas Lindner, Info, mhttpd HTTPS/SSL server updated
|
>
> 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
|
27 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
>
> I find that I don't understand this recommendation to use secure mongoose
> instead of putting mhttpd behind an apache proxy.
|
09 Sep 2015, Thomas Lindner, Info, mhttpd HTTPS/SSL server updated
|
> >
> > I find that I don't understand this recommendation to use secure mongoose
> > instead of putting mhttpd behind an apache proxy.
|
11 Sep 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
>
> Thanks for the detailed explanation. I agree with your recommendations. I was mostly interested in having both options treated equally in the documentation.
>
|
09 Sep 2015, Thomas Lindner, Info, Documentation regarding specifying custom pages
|
Hi,
We have recently been changing the code in mhttpd that maps custom web pages and resources to
|
02 Sep 2015, Konstantin Olchanski, Info, mlogger history changes
|
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
|
20 Aug 2015, Thomas Lindner, Bug Report, MIDAS message page auto-size (horizontally) is annoying
|
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)
|
21 Aug 2015, Stefan Ritt, Bug Report, MIDAS message page auto-size (horizontally) is annoying
|
> 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)
|
19 Aug 2015, Pierre Gorel, Bug Report, Sequencer limits
|
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:
|
19 Aug 2015, Pierre-Andre Amaudruz, Bug Report, Sequencer limits
|
These issues have been addressed by Stefan during his visit at Triumf last month.
The latest git has those fixes.
|
19 Aug 2015, Konstantin Olchanski, Bug Report, Sequencer limits
|
>
> See LOOP doc
> LOOP cnt, 10
|
20 Aug 2015, Stefan Ritt, Bug Report, Sequencer limits
|
> > - 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.
>
|
24 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
|
There is a number of problems with network security in midas. (as separate from
web/http/https security).
|
28 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
|
New git branch "feature/rpcsecurity" implements these security features:
- all UDP ports are bound to the localhost interface - connections from outside are not possible
|
12 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
|
> New git branch "feature/rpcsecurity" implements these security features:
Branch was merged into main midas with a few minor changes:
|
14 Aug 2015, Stefan Ritt, Info, Merged - improved midas network security
|
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"
|
14 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
|
> [local:Online:S]RPC hosts>set "Allowed hosts[1]" "host.psi.ch"
> [ODBEdit,INFO] Reloading RPC hosts access control list via hotlink callback
|
10 Aug 2015, Wes Gohn, Forum, bk_create change
|
After pulling the newest version of midas, our compilation would fail on
bk_create, with the error:
|
10 Aug 2015, Konstantin Olchanski, Forum, bk_create change
|
> bk_create()
> frontend.cpp:954: error: invalid conversion from ‘DWORD**’ to ‘void**’
|
15 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
ROOT support in MIDAS is being reworked:
a) ROOT support moved from midas.h to rmidas.h
|
22 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
> ROOT support in MIDAS is being reworked:
>
> c) Makefile inconsistency between use of ROOTSYS and use of root-config has been identified,
|
22 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
> > ROOT support in MIDAS is being reworked:
> >
> > c) Makefile inconsistency between use of ROOTSYS and use of root-config has been identified,
|
29 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
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
|
15 Jul 2015, Konstantin Olchanski, Info, mlogger improvements
|
A set of improvements to mlogger is in:
a) event buffer (SYSTEM) size up to 2GB
|
23 Jul 2015, Konstantin Olchanski, Info, rootana lz4 support, mlogger improvements
|
> A set of improvements to mlogger is in:
> b) test version of LZ4 high speed compression, support for bzip2 and pbzip2
|
23 Jul 2015, Konstantin Olchanski, Info, mlogger improvements
|
> A set of improvements to mlogger is in:
> The current test version implements the following selections of "compression":
>
|
29 Jul 2015, Konstantin Olchanski, Info, mlogger improvements - CRC32C, SHA-2
|
> 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
|
29 Jul 2015, Javier Praena, Forum, error
|
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
|
29 Jul 2015, Wes Gohn, Forum, error
|
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.
|
29 Jul 2015, Konstantin Olchanski, Forum, error
|
> 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
|
24 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
|
There is a number of problems with network security in midas. (as separate from web/http/https security).
1) too many network sockets are unnecessarily bound to the external network interface instead of localhost (UDP ports are already bound to localhost on |
24 Jul 2015, Konstantin Olchanski, Info, MAX_EVENT_SIZE removed
|
The define for MAX_EVENT_SIZE was removed from midas.h.
Replacing it is DEFAULT_MAX_EVENT_SIZE set to 4 MiBytes and DEFAULT_BUFFER_SIZE
|
15 Jul 2015, Konstantin Olchanski, Bug Fix, compiler warnings cleaned up
|
Latest C/C++ compilers (MacOS 10.10, GCC on RHEL7 and Ubuntu) generate a large number of new
warnings about unused variables, unused functions, dead code, failure to check return values of system
calls, etc.
|
08 Jul 2015, Pierre-Andre Amaudruz, Forum, Midas seminar
|
Dear Midas users,
For the upcoming "Midas Seminar" on the July 15th, you can find the necessary
|
09 Jun 2015, Michael McEvoy, Forum, Midas-MSCB SCS2000 integration
|
I am using the MSCB SCS2000 to monitor slow control variables (temperatures, voltages, etc). I am trying to
get it set up at fermilab as a test stand in the MC1 building and was wondering if anyone has integrated
Midas with a MSCB SCS2000 before. We have two systems at fermilab, one system that is currently running
|
10 Jun 2015, Stefan Ritt, Forum, Midas-MSCB SCS2000 integration
|
> If anyone has any ideas or has had previous work with the SCS2000 and knows how to read back the
> internal values please let me know.
|
03 Jun 2015, Pierre-Andre Amaudruz, Forum, Midas seminar
|
Dear Midas users,
As promise, the first Midas seminar is happening.
|
13 May 2015, Andreas Suter, Forum, Check if Client is running from Javascript
|
Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
13 May 2015, Stefan Ritt, Forum, Check if Client is running from Javascript
|
[quote="Andreas Suter"]Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
13 May 2015, Thomas Lindner, Forum, Check if Client is running from Javascript
|
[quote="Andreas Suter"]Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
14 May 2015, Andreas Suter, Forum, Check if Client is running from Javascript
|
Thanks a lot! This helps for now.
[quote="Thomas Lindner"][quote="Andreas Suter"]Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
13 May 2015, Konstantin Olchanski, Forum, Check if Client is running from Javascript
|
> Is there currently an easy way to check from javascript if a midas client is running? I mean an equivalent
to cm_exist.
|