2 # this is a collection of scripts that assist in managing an opensim server.
3 # it uses the "screen" utility to manage opensimulator instances.
5 # set up some parameters that we believe (or have been told) are beneficial.
6 export MONO_THREADS_PER_CPU=408
8 # we run the processes with a little cpu de-prioritization. we do not want
9 # them taking over completely if there's a runaway mono tornado.
10 export NICENESS_LEVEL=6
12 # a tip that supposedly helps on linux so that there won't be bizarre
13 # problems compiling scripts.
16 # this is used as a process startup snooze, to avoid running a dependent
17 # process before the dependency has really started.
20 # lock the limit in for threads, so we don't have any getting out of control.
21 # also make sure we've provided enough space for each thread.
24 # use more recent versions of mono for opensim if they're available.
25 if [ -d /opt/mono-2.10/bin ]; then
26 export PATH=/opt/mono-2.10/bin:$PATH
27 elif [ -d /opt/mono-2.8/bin ]; then
28 # use version 2.8 mono for opensim if it's available.
29 export PATH=/opt/mono-2.8/bin:$PATH
32 function launch_screen()
34 screen_name="$1"; shift
36 echo "$(mdate): starting $screen_name now..."
37 screen -L -S "$screen_name" -d -m nice -n $NICENESS_LEVEL mono "$app_name"
40 echo "$(mdate): $screen_name started."
44 # finds the opensim process specified or returns a blank string in the
45 # OS_PROC_ID variable.
47 function find_opensim_process()
50 process_name="$1"; shift
51 if [ -z "$process_name" ]; then
52 return 1 # failure in call.
54 OS_PROC_ID=$(ps wuax | grep "[0-9] mono $process_name" | grep -vi screen | sed -e "s/$USER *\([0-9][0-9]*\).*/\1/" | head -n 1)
57 # takes a screen name for the detached screen session and a process name that
58 # we should be able to find running. we make sure that both are shut down.
59 function close_application()
61 screen_name="$1"; shift
62 process_name="$1"; shift
63 echo "$(mdate): stopping $screen_name now..."
64 screen -r -s "$screen_name" -X quit
66 # we don't want to shut any other servers down until this process is really gone.
67 find_opensim_process $process_name
68 if [ ! -z "$OS_PROC_ID" ]; then
69 echo "$(mdate): waiting for $screen_name to really shut down..."
71 # check again after the snooze.
72 find_opensim_process $process_name
73 while [ ! -z "$OS_PROC_ID" ]; do
74 find_opensim_process $process_name
75 #break out on timed basis.
77 echo "$(mdate): $screen_name really is shut down now."
79 #do this as last ditch, above in timeout
80 find_opensim_process $process_name
81 if [ ! -z "$OS_PROC_ID" ]; then
82 echo "process for $screen_name still exists, killing $process_name (id $OS_PROC_ID) now."
89 echo "$(mdate): $screen_name stopped."