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|
#!/bin/sh
#
# $FreeBSD$
#
# Start or stop SETI@home, or set up working directory and register.
#
rc_file=${0##*/}
rc_arg=$1
# override these variables in ${PREFIX}/etc/rc.setiathome.conf
seti_wrkdir=/var/db/${rc_file%.sh} # primary working directory
seti_std_args=-email # command arguments for standard mode
seti_reg_args=-login # command arguments for register mode
seti_proxy_args= # proxy arguments
seti_user=nobody # user id to run as
seti_nice=15 # nice level to run at
seti_maxprocs=$(sysctl -n hw.ncpu) # max. number of processes to start
if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/${rc_file}\$"); then
echo "${rc_file}: Cannot determine PREFIX." >&2
echo "Please use the complete pathname." >&2
exit 64
fi
rcconf_dir=${PREFIX}/etc
rcconf_file=rc.${rc_file%.sh}.conf
rcconf_path=${rcconf_dir}/${rcconf_file}
if [ -f ${rcconf_path} ]; then
. ${rcconf_path}
fi
program_dir=${PREFIX}/sbin
program_file=${rc_file%.sh}
program_path=${program_dir}/${program_file}
syslog_facility=daemon.err
i=${seti_maxprocs}
seti_wrksuff="."
while [ ${i} -gt 1 ]; do
seti_wrksuff="${seti_wrksuff} ${i}"
i=$((${i} - 1))
done
case "$rc_arg" in
start)
if [ ! -x ${program_path} ]; then
logger -sp ${syslog_facility} -t ${program_file} \
"unable to start: ${program_path} is missing."
exit 72
fi
for i in ${seti_wrksuff}; do
if [ ! -d ${seti_wrkdir}/${i} ]; then
logger -sp ${syslog_facility} -t ${program_file} \
"unable to start: ${seti_wrkdir}/${i} is missing."
exit 72
fi
if [ ! -f ${seti_wrkdir}/${i}/user_info.sah ]; then
logger -sp ${syslog_facility} -t ${program_file} \
"unable to start: please log in to SETI@home first" \
"(${seti_wrkdir}/${i}/user_info.sah is missing)."
logger -sp ${syslog_facility} -t ${program_file} \
"run \"$0 register\" to accomplish this."
exit 72
fi
done
for i in ${seti_wrksuff}; do
su -fm ${seti_user} -c "\
(cd ${seti_wrkdir}/${i} && exec ${program_path} \
${seti_std_args} ${seti_proxy_args} \
${seti_nice:+-nice} ${seti_nice} >/dev/null &)"
done
echo -n " SETI@home"
;;
stop)
for i in ${seti_wrksuff}; do
pid_path=${seti_wrkdir}/${i}/pid.sah
if [ -f ${pid_path} ]; then
kill $(cat ${pid_path}) 2> /dev/null
fi
done
if [ ! -f ${seti_wrkdir}/pid.sah ]; then
killall ${program_file} 2> /dev/null
fi
;;
restart)
$0 stop
$0 start
;;
status)
ps auxww | egrep ${program_file} | egrep -v "($0|egrep)"
;;
register)
if [ ! -x ${program_path} ]; then
echo "${program_file}:" \
"unable to register: ${program_path} is missing." >&2
exit 72
fi
# Create or update primary working directory (in case the uid changed)
mkdir -p ${seti_wrkdir}
chown ${seti_user} ${seti_wrkdir}
chmod u=Xrw,g=Xr,o=Xr ${seti_wrkdir}
seti_dontlogin=no
if [ -f ${seti_wrkdir}/user_info.sah ]; then
echo " It seems you have already registered with" \
"SETI@home. Would you"
echo -n " like to repeat the procedure? [Y/n] "
read a
if [ "X${a}" = "Xn" -o "X${a}" = "XN" ]; then
seti_dontlogin=yes
fi
fi
# No need to register if we've already done so
if [ "X${seti_dontlogin}" != "Xyes" ]; then
su -fm ${seti_user} -c "\
cd ${seti_wrkdir} && \
exec ${program_path} \
${seti_reg_args} ${seti_proxy_args}"
fi
if [ ${seti_maxprocs} -gt 1 ]; then
echo " Updating additional working directories."
i=${seti_maxprocs}
while [ ${i} -gt 1 ]; do
mkdir -p ${seti_wrkdir}/${i}
chown ${seti_user} ${seti_wrkdir}/${i}
chmod 755 ${seti_wrkdir}/${i}
# Assume the user want's all processes to run
# with the same registration
rm -f ${seti_wrkdir}/${i}/user_info.sah
ln -sf ../user_info.sah ${seti_wrkdir}/${i}
i=$((${i} - 1))
done
fi
;;
*)
echo "usage: ${rc_file} {start|stop|restart|status|register}" >&2
exit 64
;;
esac
|
