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Feature #4717 - Script execution on server event
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Feature #4717 - Script execution on server event
by Alexander Todorov
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Hi all,
I've found this issue which is not yet supported by FreeNX. My setup is dependent on UserScriptAfterSessionClose and I'd like to contribute a patch to make script execution possible (at least in some events). Is there any documentation about the inner workings of freenx? Can you tell me which bash script is executed first, which second, etc. so I can figure out where to stuff my code? Any pointers are welcome. Thanks, Alexander. ________________________________________________________________ Were you helped on this list with your FreeNX problem? Then please write up the solution in the FreeNX Wiki/FAQ: http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ Don't forget to check the NX Knowledge Base: http://www.nomachine.com/kb/ ________________________________________________________________ FreeNX-kNX mailing list --- FreeNX-kNX@... https://mail.kde.org/mailman/listinfo/freenx-knx ________________________________________________________________ |
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Re: Feature #4717 - Script execution on server event
by Alexander Todorov
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I'm replying to myself :)
> > Is there any documentation about the inner workings of freenx? Can you tell me > which bash script is executed first, which second, etc. so I can figure out > where to stuff my code? Any pointers are welcome. > I've changed the node.conf and nxnode::node_terminate_session() to execute a script after the session is terminated. This works pretty well for me and is only executed on terminate, not on suspend or when the nxclient is killed (or power failure) for instance. See svn diff output below. Comments are welcome. Index: node.conf.sample =================================================================== --- node.conf.sample (revision 631) +++ node.conf.sample (working copy) @@ -648,3 +648,6 @@ # # If nxviewer cannot be found this is set automatically to "1". #ENABLE_EXTERNAL_NXVIEWER="0" + +# Execute a script after session is terminated +#USER_SCRIPT_AFTER_SESSION_CLOSE="" Index: nxnode =================================================================== --- nxnode (revision 631) +++ nxnode (working copy) @@ -156,6 +156,9 @@ [ "$SESSION_LOG_CLEAN" = "0" -a "$2" = "failed" ] && mv "$USER_FAKE_HOME/.nx/C-$1/" "$USER_FAKE_HOME/.nx/F-C-$1" [ "$SESSION_LOG_CLEAN" = "0" -a "$2" != "failed" ] && mv "$USER_FAKE_HOME/.nx/C-$1/" "$USER_FAKE_HOME/.nx/T-C-$1" + + # execute script after session is terminated + [ ! -z "$USER_SCRIPT_AFTER_SESSION_CLOSE" ] && "$USER_SCRIPT_AFTER_SESSION_CLOSE" } # For USER_SCRIPT_AFTER_SESSION_START I'm not quite sure though. nxnode::startsession() looks like the proper place for me but the script was executed after session start and after resume. The NoMachine NX server has different variables for those two actions. I'd have to figure out on which line to put my changes, currently they are just before the last wait in the startsession() function and don't work quite well. -- Alexander. ________________________________________________________________ Were you helped on this list with your FreeNX problem? Then please write up the solution in the FreeNX Wiki/FAQ: http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ Don't forget to check the NX Knowledge Base: http://www.nomachine.com/kb/ ________________________________________________________________ FreeNX-kNX mailing list --- FreeNX-kNX@... https://mail.kde.org/mailman/listinfo/freenx-knx ________________________________________________________________ |
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Re: Feature #4717 - Script execution on server event
by vsp_123
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This is very helpful.
Thanks, Prakash On Oct 27, 2009, at 5:36 AM, Alexander Todorov wrote: > Hi all, > I've found this issue which is not yet supported by FreeNX. My setup > is > dependent on UserScriptAfterSessionClose and I'd like to contribute > a patch to > make script execution possible (at least in some events). > > Is there any documentation about the inner workings of freenx? Can > you tell me > which bash script is executed first, which second, etc. so I can > figure out > where to stuff my code? Any pointers are welcome. > > Thanks, > Alexander. Were you helped on this list with your FreeNX problem? Then please write up the solution in the FreeNX Wiki/FAQ: http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ Don't forget to check the NX Knowledge Base: http://www.nomachine.com/kb/ ________________________________________________________________ FreeNX-kNX mailing list --- FreeNX-kNX@... https://mail.kde.org/mailman/listinfo/freenx-knx ________________________________________________________________ |
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Re: Feature #4717 - Script execution on server event
by ChrisB-6
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Alexander Todorov <alexx.todorov@...> wrote on 27/10/2009 10:51:54: > I'm replying to myself :) > > > > > Is there any documentation about the inner workings of freenx? Can > you tell me > > which bash script is executed first, which second, etc. so I can figure out > > where to stuff my code? Any pointers are welcome. > > > > I've changed the node.conf and nxnode::node_terminate_session() to execute a > script after the session is terminated. This works pretty well for me and is > only executed on terminate, not on suspend or when the nxclient is killed (or > power failure) for instance. See svn diff output below. Comments are welcome. > > > Index: node.conf.sample > =================================================================== > --- node.conf.sample (revision 631) > +++ node.conf.sample (working copy) > @@ -648,3 +648,6 @@ > # > # If nxviewer cannot be found this is set automatically to "1". > #ENABLE_EXTERNAL_NXVIEWER="0" > + > +# Execute a script after session is terminated > +#USER_SCRIPT_AFTER_SESSION_CLOSE="" > Index: nxnode > =================================================================== > --- nxnode (revision 631) > +++ nxnode (working copy) > @@ -156,6 +156,9 @@ > > [ "$SESSION_LOG_CLEAN" = "0" -a "$2" = "failed" ] && mv > "$USER_FAKE_HOME/.nx/C-$1/" "$USER_FAKE_HOME/.nx/F-C-$1" > [ "$SESSION_LOG_CLEAN" = "0" -a "$2" != "failed" ] && mv > "$USER_FAKE_HOME/.nx/C-$1/" "$USER_FAKE_HOME/.nx/T-C-$1" > + > + # execute script after session is terminated > + [ ! -z "$USER_SCRIPT_AFTER_SESSION_CLOSE" ] && > "$USER_SCRIPT_AFTER_SESSION_CLOSE" > } > > # > > > > For USER_SCRIPT_AFTER_SESSION_START I'm not quite sure though. > nxnode::startsession() looks like the proper place for me but the script was > executed after session start and after resume. The NoMachine NX server has > different variables for those two actions. I'd have to figure out onwhich line > to put my changes, currently they are just before the last wait in the > startsession() function and don't work quite well. Do you want this before or after starting the X window system ?? Look for "node_start_applications". startsession() does the resume too, ( as startsession "restore" ), but then it knows it's doing a resume . . . > > -- > Alexander. > > ________________________________________________________________ > Were you helped on this list with your FreeNX problem? > Then please write up the solution in the FreeNX Wiki/FAQ: > > http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ > > Don't forget to check the NX Knowledge Base: > http://www.nomachine.com/kb/ > > ________________________________________________________________ > FreeNX-kNX mailing list --- FreeNX-kNX@... > https://mail.kde.org/mailman/listinfo/freenx-knx > ________________________________________________________________ ________________________________________________________________ Were you helped on this list with your FreeNX problem? Then please write up the solution in the FreeNX Wiki/FAQ: http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ Don't forget to check the NX Knowledge Base: http://www.nomachine.com/kb/ ________________________________________________________________ FreeNX-kNX mailing list --- FreeNX-kNX@... https://mail.kde.org/mailman/listinfo/freenx-knx ________________________________________________________________ |
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Re: Feature #4717 - Script execution on server event
by Alexander Todorov
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chris@... wrote:
> > Do you want this before or after starting the X window system ?? > I have no idea. I personally need only USER_SCRIPT_AFTER_SESSION_CLOSE but the feature request lists after session start as well. NoMachine NX server has several more events, I'm not sure if we want those implemented. I've tried a quick hack but it didn't work quite well. What do folks think. Is it worth to implement all user script events which are in the NoMachine node.cfg or just leave the after session start/close ones? Thanks, Alexander. ________________________________________________________________ Were you helped on this list with your FreeNX problem? Then please write up the solution in the FreeNX Wiki/FAQ: http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ Don't forget to check the NX Knowledge Base: http://www.nomachine.com/kb/ ________________________________________________________________ FreeNX-kNX mailing list --- FreeNX-kNX@... https://mail.kde.org/mailman/listinfo/freenx-knx ________________________________________________________________ |
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