[Opensim-users] Question about IAR files

[GMail-johnpat10]

Thanks Roger!

I'll will give these a look and a try!

John Patten
SUSD

On Feb 23, 2010, at 7:07 PM, Roger BUCK wrote:

> Apologies for 'terse' - No time for detailed answer now, but here's  
> one
> way to get started:
>
> GMail-johnpat10 wrote:
>> 1. When I was running Save and Load IAR I'm working directly on the
>> server and the command line on the server. It also saved the IAR  
>> files
>> directly to the bin folder (Diva install) and requires that they be  
>> in
>> the bin folder when I load them back into a different sim.
>
> The path to load/save .iar can be specified - this allows for lots of
> options beyond the obvious - it is possible to both store local  
> content
> and mount remote shares into designated local filesystem, for example:
>
>   opt/opensim/bin/Library/folders
>
> See: http://opensimulator.org/wiki/Inventory_Archives
>
> This 'sort of' works for simple instances - I had trouble with path
> recursion but not had time to investigate in detail (see previous
> threads in this list)
>
>> This is not
>> a problem when the server and the client are on the same hardware (my
>> desktop), but when OpenSim is deployed on it's own hardware, am i  
>> going
>> to have to log in remotely to the server to run iar? Is it possible  
>> to
>> ssh to OpenSim server and run the management console to save and load
>> IAR files? How would you do that if the server is already running,
>
> Yes to all of the above - using the 'screen' utility provides one
> solution - start your instance of opensim in a 'screen' session, login
> via ssh and access/attach logout/detach from that session as often as
> you like.
>
> Some info about 'screen':
>
>  http://magazine.redhat.com/2007/09/27/a-guide-to-gnu-screen/
>
> This example RH style sysv init script might give you some ideas:
>
> #!/bin/bash
> #
> # Provides an OTT sys.v init script
> #     with multiple 'screen' sessions opensim
> #
> # opensim
> #
> # chkconfig: - 51 50
> # description: OpenSim diva distro
> # processname: opensim
>
> # Source function library.
> . /etc/rc.d/init.d/functions
>
> # Get config.
> . /etc/sysconfig/network
>
> # Check that networking is up.
> if [ ${NETWORKING} = "no" ]
> then
>     exit 0
> fi
>
> # See how we were called.
> case "$2" in
>     realxtend)
>         echo "Distro ${2}..."
>         BIN_DIR="/opt/opensim/realxtend/bin"
>     ;;
>     *)
> 	# diva...
>         ROOT_DIR="/opt/opensim"
>         BIN_DIR="/opt/opensim/diva/bin"
> esac
>
> #echo "Debug ${2}: Set path to default disto located in: ${BIN_DIR}"
>
> # Check app exists, or exit...
> [ -f ${BIN_DIR}/OpenSim.exe ] || exit 0
>
> function startdiva {
>     cd ${BIN_DIR}
>     echo " Starting OpenSim..."
>     ulimit -s 262144
>     screen -S opensim -d -m mono OpenSim.exe
> -physics=OpenDynamicsEngine -gridmode=false
> }
>
> function getstatus {
>    session=( $(screen -ls | sed -r -ne 's/ *//g' -ne
> 's/\((At|De)tached\)// p') )
>    echo "Debug session: ${session}"
>    screen -list
>     echo "To view a screen: 'screen -r screenname'"
> }
>
> function killscreens {
>     killall -15 screen > /dev/null 2>&1
>     screen -wipe > /dev/null 2>&1
>     echo "Opensim screen instances killed..."
> }
>
> if [ "$#" -eq "0" ]; then
>     session=( $(screen -ls | sed -r -ne 's/ *//g' -ne
> 's/\((At|De)tached\)// p') )
>     echo "valid parameters are: ${0} [ start | stop | status |  
> fixip ]"
> else
>     case "$1" in
>         "start")
>             startdiva
>             ;;
>         "stop")
>             killscreens
>             ;;
>         "status")
>             getstatus
>             ;;
>         "restart")
>             killall -HUP mono
>             $0 stop
>             sleep 2s
>             $0 start
>             ;;
>         *)
>             echo "Usage: $0 {start|stop|status|restart}"
>             exit 1
>    esac
> fi
>
> # To display active background sessions...
> screen -list
>
> echo "To view a screen: 'screen -r screenname "
>
> # === done ===
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