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|
#! /bin/sh
### BEGIN INIT INFO
# Provides: c-icap
# Required-Start: $network $remote_fs $syslog
# Required-Stop: $network $remote_fs $syslog
# Should-Start: $named
# Should-Stop: $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: c-icap Server
# Description: ICAP server
### END INIT INFO
# Do NOT "set -e"
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="c-icap Server"
NAME=c-icap
DAEMON=/usr/bin/$NAME
DAEMON_ARGS=""
config_PidFile=/var/run/$NAME/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
CONFFILE=/etc/c-icap/c-icap.conf
# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Support for older option name
if [ ! -z "$DAEMON_OPTS" ]; then
DAEMON_ARGS="$DAEMON_OPTS"
fi
# 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
#
# c-icap specific functions
#
slurp_config()
{
local CONFFILE="$1"
local var_regexp_group='\(User\|Group\|CommandsSocket\)'
local full_regexp="^[[:space:]]*${var_regexp_group}[[:space:]]\+\([^']*\)$"
local variable
local value
# Some default values
config_CommandsSocket=/var/run/c-icap/c-icap.ctl
config_User=c-icap
config_Group=c-icap
if [ -f "$CONFFILE" ]; then
local line
local old_IFS="$IFS"
# A new line (as $'\n' is a bashism)
IFS='
'
for line in `grep "${full_regexp}" "$CONFFILE"`; do
variable=$(echo "$line" | sed "s/${full_regexp}/\\1/")
value=$(echo "$line" | sed "s/${full_regexp}/\\2/")
if [ -n "$value" ]; then
export "config_$variable"="$value"
fi
done
IFS="${old_IFS}"
fi
}
check_run_dir() {
local ctl_dir
ctl_dir=$(dirname "$config_PidFile")
# Create the run empty directory if necessary
if [ ! -d "$ctl_dir" ]; then
mkdir /var/run/c-icap
chown "$config_User":"$config_Group" /var/run/c-icap
chmod 0755 /var/run/c-icap
fi
}
#
# Function that starts the daemon/service
#
do_start()
{
# If the daemon is not enabled, give the user a warning and stop.
if [ "$START" != "yes" ]; then
echo "To enable $NAME, edit /etc/default/$NAME and set START=yes"
exit 0
fi
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
start-stop-daemon --start --quiet --pidfile $config_PidFile --exec $DAEMON --test > /dev/null \
|| return 1
start-stop-daemon --start --quiet --pidfile $config_PidFile --exec $DAEMON -- \
$DAEMON_ARGS \
|| return 2
}
#
# Function that stops the daemon/service
#
do_stop()
{
local RETVAL
# 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=TERM/10/KILL/5 --pidfile $config_PidFile --name $NAME
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Wait for children to finish too if this is a daemon that forks
# and if the daemon is only ever run from this initscript.
# If the above conditions are not satisfied then add some other code
# that waits for the process to drop all resources that could be
# needed by services started subsequently. A last resort is to
# sleep for some time.
start-stop-daemon --stop --quiet --oknodo --retry=0/10/KILL/5 --exec $DAEMON
[ "$?" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $config_PidFile
return "$RETVAL"
}
#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
echo -n "reconfigure" > "$config_CommandsSocket"
return 0
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
# Read config
slurp_config "$CONFFILE"
# Check to create /var/run directory even if START=no, if someone wants to run c-icap
# in debug mode / foreground to test some functions without start it from init.d
check_run_dir
do_start
case "$?" 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"
# Read config
slurp_config "$CONFFILE"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
status)
status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
;;
reload|force-reload)
log_daemon_msg "Reloading $DESC" "$NAME"
# Read config
slurp_config "$CONFFILE"
do_reload
log_end_msg $?
;;
restart)
log_daemon_msg "Restarting $DESC" "$NAME"
# Read config
slurp_config "$CONFFILE"
# Check to create /var/run
check_run_dir
do_stop
case "$?" 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|reload|force-reload|restart}" >&2
exit 3
;;
esac
:
|
