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February 17, 2014 02:59
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#!/bin/sh | |
# | |
# Example init.d script with LSB support. | |
# | |
# Please read this init.d carefully and modify the sections to | |
# adjust it to the program you want to run. | |
# | |
# Copyright (c) 2007 Javier Fernandez-Sanguino <jfs@debian.org> | |
# | |
# This is free software; you may redistribute it and/or modify | |
# it under the terms of the GNU General Public License as | |
# published by the Free Software Foundation; either version 2, | |
# or (at your option) any later version. | |
# | |
# This is distributed in the hope that it will be useful, but | |
# WITHOUT ANY WARRANTY; without even the implied warranty of | |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
# GNU General Public License for more details. | |
# | |
# You should have received a copy of the GNU General Public License with | |
# the Debian operating system, in /usr/share/common-licenses/GPL; if | |
# not, write to the Free Software Foundation, Inc., 59 Temple Place, | |
# Suite 330, Boston, MA 02111-1307 USA | |
# | |
### BEGIN INIT INFO | |
# Provides: ape | |
# Required-Start: $network $local_fs | |
# Required-Stop: | |
# Should-Start: $named | |
# Should-Stop: | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: <Enter a short description of the sortware> | |
# Description: <Enter a long description of the software> | |
# <...> | |
# <...> | |
### END INIT INFO | |
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin | |
DAEMON=/usr/bin/aped | |
NAME=aped | |
DESC="Ajax push engine" | |
PIDFILE=/var/run/$NAME.pid | |
test -x $DAEMON || exit 0 | |
. /lib/lsb/init-functions | |
# Default options, these can be overriden by the information | |
# at /etc/default/$NAME | |
DAEMON_OPTS="--cfg /etc/ape/ape.conf" | |
DIETIME=10 # Time to wait for the server to die, in seconds | |
# If this value is set too low you might not | |
# let some servers to die gracefully and | |
# 'restart' will not work | |
#STARTTIME=2 # Time to wait for the server to start, in seconds | |
# If this value is set each time the server is | |
# started (on start or restart) the script will | |
# stall to try to determine if it is running | |
# If it is not set and the server takes time | |
# to setup a pid file the log message might | |
# be a false positive (says it did not start | |
# when it actually did) | |
LOGFILE=$LOGDIR/$NAME.log # Server logfile | |
#DAEMONUSER=ape # Users to run the daemons as. If this value | |
# is set start-stop-daemon will chuid the server | |
# Use this if you want the user to explicitly set 'RUN' in | |
# /etc/default/ | |
#if [ "x$RUN" != "xyes" ] ; then | |
# log_failure_msg "$NAME disabled, please adjust the configuration to your needs " | |
# log_failure_msg "and then set RUN to 'yes' in /etc/default/$NAME to enable it." | |
# exit 0 | |
#fi | |
# Check that the user exists (if we set a user) | |
# Does the user exist? | |
if [ -n "$DAEMONUSER" ] ; then | |
if getent passwd | grep -q "^$DAEMONUSER:"; then | |
# Obtain the uid and gid | |
DAEMONUID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $3}'` | |
DAEMONGID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $4}'` | |
else | |
log_failure_msg "The user $DAEMONUSER, required to run $NAME does not exist." | |
exit 0 | |
fi | |
fi | |
set -e | |
running_pid() { | |
# Check if a given process pid's cmdline matches a given name | |
pid=$1 | |
name=$2 | |
[ -z "$pid" ] && return 1 | |
[ ! -d /proc/$pid ] && return 1 | |
cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1` | |
# Is this the expected server | |
[ "$cmd" != "$name" ] && return 1 | |
return 0 | |
} | |
running() { | |
# Check if the process is running looking at /proc | |
# (works for all users) | |
# No pidfile, probably no daemon present | |
[ ! -f "$PIDFILE" ] && return 1 | |
pid=`cat $PIDFILE` | |
running_pid $pid $DAEMON || return 1 | |
return 0 | |
} | |
start_server() { | |
# Start the process using the wrapper | |
if [ -z "$DAEMONUSER" ] ; then | |
start_daemon -p $PIDFILE $DAEMON $DAEMON_OPTS | |
errcode=$? | |
else | |
# if we are using a daemonuser then change the user id | |
start-stop-daemon --start --quiet --pidfile $PIDFILE \ | |
--chuid $DAEMONUSER \ | |
--exec $DAEMON -- $DAEMON_OPTS | |
errcode=$? | |
fi | |
return $errcode | |
} | |
stop_server() { | |
# Stop the process using the wrapper | |
if [ -z "$DAEMONUSER" ] ; then | |
killproc -p $PIDFILE $DAEMON | |
errcode=$? | |
else | |
# if we are using a daemonuser then look for process that match | |
start-stop-daemon --stop --quiet --pidfile $PIDFILE \ | |
--user $DAEMONUSER \ | |
--exec $DAEMON | |
errcode=$? | |
fi | |
return $errcode | |
} | |
reload_server() { | |
[ ! -f "$PIDFILE" ] && return 1 | |
pid=pidofproc $PIDFILE # This is the daemon's pid | |
# Send a SIGHUP | |
kill -1 $pid | |
return $? | |
} | |
force_stop() { | |
# Force the process to die killing it manually | |
[ ! -e "$PIDFILE" ] && return | |
if running ; then | |
kill -15 $pid | |
# Is it really dead? | |
sleep "$DIETIME"s | |
if running ; then | |
kill -9 $pid | |
sleep "$DIETIME"s | |
if running ; then | |
echo "Cannot kill $NAME (pid=$pid)!" | |
exit 0 | |
fi | |
fi | |
fi | |
rm -f $PIDFILE | |
} | |
case "$1" in | |
start) | |
log_daemon_msg "Starting $DESC " "$NAME" | |
# Check if it's running first | |
if running ; then | |
log_progress_msg "apparently already running" | |
log_end_msg 0 | |
exit 0 | |
fi | |
if start_server ; then | |
log_end_msg 0 | |
else | |
log_end_msg 1 | |
fi | |
;; | |
stop) | |
log_daemon_msg "Stopping $DESC" "$NAME" | |
if running ; then | |
# Only stop the server if we see it running | |
errcode=0 | |
stop_server || errcode=$? | |
log_end_msg $errcode | |
else | |
# If it's not running don't do anything | |
log_progress_msg "apparently not running" | |
log_end_msg 0 | |
exit 0 | |
fi | |
;; | |
force-stop) | |
# First try to stop gracefully the program | |
$0 stop | |
if running; then | |
# If it's still running try to kill it more forcefully | |
log_daemon_msg "Stopping (force) $DESC" "$NAME" | |
errcode=0 | |
force_stop || errcode=$? | |
log_end_msg $errcode | |
fi | |
;; | |
restart|force-reload) | |
log_daemon_msg "Restarting $DESC" "$NAME" | |
errcode=0 | |
stop_server || errcode=$? | |
# Wait some sensible amount, some server need this | |
[ -n "$DIETIME" ] && sleep $DIETIME | |
start_server || errcode=$? | |
[ -n "$STARTTIME" ] && sleep $STARTTIME | |
running || errcode=$? | |
log_end_msg $errcode | |
;; | |
status) | |
log_daemon_msg "Checking status of $DESC" "$NAME" | |
if running ; then | |
log_progress_msg "running" | |
log_end_msg 0 | |
else | |
log_progress_msg "apparently not running" | |
log_end_msg 1 | |
exit 0 | |
fi | |
;; | |
# Use this if the daemon cannot reload | |
reload) | |
log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon" | |
log_warning_msg "cannot re-read the config file (use restart)." | |
;; | |
# And this if it cann | |
#reload) | |
# | |
# If the daemon can reload its config files on the fly | |
# for example by sending it SIGHUP, do it here. | |
# | |
# If the daemon responds to changes in its config file | |
# directly anyway, make this a do-nothing entry. | |
# | |
# log_daemon_msg "Reloading $DESC configuration files" "$NAME" | |
# if running ; then | |
# reload_server | |
# if ! running ; then | |
# Process died after we tried to reload | |
# log_progress_msg "died on reload" | |
# log_end_msg 1 | |
# exit 0 | |
# fi | |
# else | |
# log_progress_msg "server is not running" | |
# log_end_msg 1 | |
# exit 0 | |
# fi | |
#;; | |
*) | |
N=/etc/init.d/$NAME | |
echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2 | |
exit 1 | |
;; | |
esac | |
exit 0 |
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