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|
#! /bin/bash
### BEGIN INIT INFO
# Provides: tox-bootstrapd
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Starts the Tox DHT bootstrapping server daemon
# Description: Starts the Tox DHT bootstrapping server daemon
### END INIT INFO
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Tox DHT bootstrap daemon"
NAME=tox-bootstrapd
DAEMON=/usr/local/bin/$NAME
CFGFILE=/etc/$NAME.conf
DAEMON_ARGS="--config $CFGFILE"
PIDDIR=/var/run/$NAME
PIDFILE=$PIDDIR/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
USER=tox-bootstrapd
GROUP=tox-bootstrapd
# Set ulimit -n based on number of fds available.
# This check is borrowed from Debian's tor package, with a few modifications.
if [ -r /proc/sys/fs/file-max ]; then
system_max=$(cat /proc/sys/fs/file-max)
if [ "$system_max" -gt "80000" ] ; then
MAX_FILEDESCRIPTORS=32768
elif [ "$system_max" -gt "40000" ] ; then
MAX_FILEDESCRIPTORS=16384
elif [ "$system_max" -gt "20000" ] ; then
MAX_FILEDESCRIPTORS=8192
elif [ "$system_max" -gt "10000" ] ; then
MAX_FILEDESCRIPTORS=4096
else
MAX_FILEDESCRIPTORS=1024
cat << EOF
Warning: Your system has very few file descriptors available in total.
Maybe you should try raising that by adding 'fs.file-max=100000' to your
/etc/sysctl.conf file. Feel free to pick any number that you deem appropriate.
Then run 'sysctl -p'. See /proc/sys/fs/file-max for the current value, and
file-nr in the same directory for how many of those are used at the moment.
EOF
fi
else
MAX_FILEDESCRIPTORS=32768
fi
# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
#
# Function that starts the daemon/service
#
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
if [ ! -d $PIDDIR ]
then
mkdir $PIDDIR
fi
chown $USER:$GROUP $PIDDIR
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test --chuid $USER > /dev/null || return 1
# TCP Server needs to be able to have lots of TCP sockets open.
ulimit -n $MAX_FILEDESCRIPTORS
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --chuid $USER -- $DAEMON_ARGS || return 2
}
#
# Function that stops the daemon/service
#
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
start-stop-daemon --stop --quiet --retry 5 --pidfile $PIDFILE --name $NAME --chuid $USER
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
status)
status_of_proc -p $PIDFILE "$DAEMON" "$NAME" && exit 0 || exit $?
;;
restart)
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2
exit 3
;;
esac
exit 0
|
