diff options
Diffstat (limited to 'distro/deb/init-d-script')
| -rwxr-xr-x | distro/deb/init-d-script | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/distro/deb/init-d-script b/distro/deb/init-d-script new file mode 100755 index 0000000..334dc32 --- /dev/null +++ b/distro/deb/init-d-script @@ -0,0 +1,239 @@ +#!/bin/sh +# See init-d-script(5) for instructions on how to use this library. +#============================================================================= +# 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 + +# PATH should only include /usr/* if it runs after the mountnfs.sh +# script. Scripts running before mountnfs.sh should remove the /usr/* +# entries. +PATH=/sbin:/usr/sbin:/bin:/usr/bin +export PATH + +is_call_implemented() { + command -V $1 > /dev/null 2>&1 +} + +do_usage() { + if is_call_implemented do_reload ; then + echo "Usage: $SCRIPTNAME {start|stop|status|reload|restart|try-restart|force-reload}" >&2 + else + echo "Usage: $SCRIPTNAME {start|stop|status|restart|try-restart|force-reload}" >&2 + fi +} + +call() { + cmd="$1" + shift + if is_call_implemented ${cmd}_override ; then + ${cmd}_override "$@" + else + ${cmd} "$@" + fi +} + +# +# Function that starts the daemon/service +# + +# Return +# 0 if daemon has been started +# 1 if daemon was already running +# 2 if daemon could not be started +do_start_cmd() { + start-stop-daemon --start --quiet ${PIDFILE:+--pidfile ${PIDFILE}} \ + $START_ARGS \ + --startas $DAEMON --name $NAME --exec $DAEMON --test > /dev/null \ + || return 1 + start-stop-daemon --start --quiet ${PIDFILE:+--pidfile ${PIDFILE}} \ + $START_ARGS \ + --startas $DAEMON --name $NAME --exec $DAEMON -- $DAEMON_ARGS \ + || return 2 + # Add code here, if necessary, that waits for the process to be ready + # to handle requests from services started subsequently which depend + # on this one. As a last resort, sleep for some time. +} + +do_start() +{ + if is_call_implemented do_start_prepare ; then + call do_start_prepare + fi + [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" + call do_start_cmd + case "$?" in + 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; + 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; + esac + if is_call_implemented do_start_cleanup ; then + call do_start_cleanup + fi +} + +# +# Function that stops the daemon/service +# + +# 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 +do_stop_cmd() { + start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \ + $STOP_ARGS \ + ${PIDFILE:+--pidfile ${PIDFILE}} --name $NAME --exec $DAEMON + RETVAL="$?" + [ "$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=0/30/KILL/5 \ + $STOP_ARGS \ + --exec $DAEMON + [ "$?" = 2 ] && return 2 + # Many daemons don't delete their pidfiles when they exit. + rm -f $PIDFILE + return $RETVAL +} + +do_stop() +{ + if is_call_implemented do_stop_prepare ; then + call do_stop_prepare + fi + [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" + call do_stop_cmd + case "$?" in + 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; + 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; + esac + if is_call_implemented do_stop_cleanup ; then + call do_stop_cleanup + fi +} + +do_restart() { + [ "$VERBOSE" != no ] && log_daemon_msg "Restarting $DESC" "$NAME" + call do_stop_cmd + call do_start_cmd + case "$?" in + 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; + 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; + esac +} + +do_force_reload() { + if is_call_implemented do_reload ; then + call do_reload + else + call do_restart + fi +} + +# Enable this using +# alias do_reload=do_reload_sigusr1 +do_reload_sigusr1() { + log_daemon_msg "Reloading $DESC configuration files" "$NAME" + start-stop-daemon --oknodo --stop --signal 1 --quiet \ + --pidfile "$PIDFILE" --exec "$DAEMON" + log_end_msg $? +} + +do_status() { + status_of_proc "$DAEMON" "$NAME" && return 0 || return $? +} + +if [ "$DEBUG" = "true" ] ; then + set -x +fi + +SCRIPTNAME=$1 +scriptbasename="$(basename $1)" +if [ "$scriptbasename" != "init-d-script" ] ; then + script="$1" + shift + . $script +else + exit 0 +fi + +NAME=${NAME:=$(basename $DAEMON)} +DESC=${DESC:=$NAME} + +# Do not use pid file if $PIDFILE is 'none'. Otherwise, generate from +# $NAME or use the value provided by the init.d script. +if [ none = "$PIDFILE" ] ; then + PIDFILE= +elif [ -z "$PIDFILE" ] ; then + PIDFILE=/var/run/$NAME.pid +fi + +# Exit if the package is not installed +if [ none != "$DAEMON" ] && [ ! -x "$DAEMON" ] ; then + exit 0 +fi + +# Read configuration variable file if it is present +[ -r /etc/default/$NAME ] && . /etc/default/$NAME + +# Load the VERBOSE setting and other rcS variables +. /lib/init/vars.sh +if [ -t 0 ] ; then # Be verbose when called from a terminal + VERBOSE=yes +fi + +case "$1" in + start) + call do_start + ;; + stop) + call do_stop + ;; + status) + call do_status + ;; + reload) + if is_call_implemented do_reload ; then + do_reload + else + call do_usage + exit 3 + fi + ;; + force-reload) + call do_force_reload + ;; + restart) + call do_restart + ;; + try-restart) + log_daemon_msg "Trying to restart $DESC" "$NAME" + if call do_status > /dev/null 2>&1 ; then + call do_restart + log_end_msg $? + else + log_progress_msg "is not running." + log_end_msg 1 + fi + ;; + '') + call do_usage + exit 3 + ;; + *) + if is_call_implemented do_unknown ; then + call do_unknown "$1" + exit 3 + else + call do_usage + exit 3 + fi + ;; +esac +exit 0 |