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 $NICENESS_LEVEL mono --debug "$app_name"
39 echo "$(mdate): $screen_name started."
43 # finds the opensim process specified or returns a blank string in the
44 # OS_PROC_ID variable.
46 function find_opensim_process()
49 process_name="$1"; shift
50 if [ -z "$process_name" ]; then
51 return 1 # failure in call.
53 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)
56 # takes a screen name for the detached screen session and a process name that
57 # we should be able to find running. we make sure that both are shut down.
58 function close_application()
60 screen_name="$1"; shift
61 process_name="$1"; shift
62 echo "$(mdate): stopping $screen_name now..."
63 screen -r -s "$screen_name" -X quit
65 # we don't want to shut any other servers down until this process is really gone.
66 find_opensim_process $process_name
67 if [ ! -z "$OS_PROC_ID" ]; then
68 echo "$(mdate): waiting for $screen_name to really shut down..."
70 # check again after the snooze.
71 find_opensim_process $process_name
72 while [ ! -z "$OS_PROC_ID" ]; do
73 find_opensim_process $process_name
74 #break out on timed basis.
76 echo "$(mdate): $screen_name really is shut down now."
78 #do this as last ditch, above in timeout
79 find_opensim_process $process_name
80 if [ ! -z "$OS_PROC_ID" ]; then
81 echo "process for $screen_name still exists, killing $process_name (id $OS_PROC_ID) now."
88 echo "$(mdate): $screen_name stopped."