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- #! /bin/sh
- #
- # snf-server Starts and stops the SNFServer daemon (Ubuntu).
- #
- # Author: Alban Deniz
- #
- # Copyright (C) 2008 ARM Research Labs, LLC.
- # See www.armresearch.com for the copyright terms.
- #
- ### BEGIN INIT INFO
- # Provides: SNFServer
- # Required-Start: $syslog $remote_fs $network $named
- # Should-Start: $time ypbind smtp
- # Required-Stop: $syslog $remote_fs
- # Should-Stop: $time ypbind smtp
- # Default-Start: 3 4 5
- # Default-Stop: 0 1 2 6
- # Short-Description: SNFServer providing email filtering.
- # Description: Start SNFServer to filter email for spam,
- # blacklist IP addresses, etc.
- ### END INIT INFO
-
- # Directory to run in.
- runDir=PREFIX/share/PACKAGE_NAME
-
- # Define mode files.
- debugModeFile=$runDir/debug_mode
- productionModeFile=$runDir/production_mode
-
- # Set debug mode flag.
- if [ -f $debugModeFile ]
- then
- debugMode=true
- fi
-
- # Debug output file.
- debugOutputFile=/var/log/PACKAGE_NAME/debug.log
-
- # Location of installation.
- installedDir="PREFIX"
-
- # Location of programs.
- dir="$installedDir/sbin"
-
- # Name of config file.
- configFile="CONFFILE"
-
- # Name of daemon.
- debugProg="SNFDebugServer"
- productionProg="SNFServer"
-
- # Name of client.
- clientProg="SNFClient"
-
- # Name of user to run as.
- userName="snfuser"
-
- # Name of group.
- groupName=$userName
-
- # Name of lockfile.
- lockFile="/var/lock/subsys/$productionProg"
-
- # Name of client.
- clientProg="SNFClient"
-
- # Do NOT "set -e"
-
- # PATH should only include /usr/* if it runs after the mountnfs.sh script
- PATH=/usr/sbin:/usr/bin:/sbin:/bin
- DESC="SNFServer providing email filtering"
- NAME="snf-server"
-
- DEBUG_DAEMON="/usr/bin/strace"
- DEBUG_DAEMON_ARGS="-r -tt -v $dir/$debugProg $configFile"
-
- PRODUCTION_DAEMON=$dir/$productionProg
- PRODUCTION_DAEMON_ARGS="$configFile"
-
- SCRIPTNAME=/etc/init.d/$NAME
-
- # Exit if the package is not installed
- [ -x "$PRODUCTION_DAEMON" ] || exit 0
-
- # Read configuration variable file if it is present
- [ -r /etc/default/$NAME ] && . /etc/default/$NAME
-
- # Load the VERBOSE setting and other rcS variables
- [ -f /etc/default/rcS ] && . /etc/default/rcS
-
- # Define LSB log_* functions.
- # Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
- . /lib/lsb/init-functions
-
- #
- # Function to create the mode file.
- #
- createModeFile()
- {
- fileName=$1
-
- # Remove any existing mode files.
- rm -f $productionModeFile $debugModeFile $fileName
- (
- echo "PACKAGE_NAME mode file"
- echo
- echo "This file specifies whether PACKAGE_NAME is configured to run in"
- echo "production mode or debug mode. If the name of this file is"
- echo "'production_mode', then PACKAGE_NAME is configured to run in"
- echo "production mode. If the name is 'debug_mode', then PACKAGE_NAME is"
- echo "configured to run in debug mode."
- echo
- echo "To run in debug mode:"
- echo
- echo " 1) Run 'PACKAGE_NAME debug_mode'"
- echo
- echo " 2) Run 'PACKAGE_NAME restart' (if PACKAGE_NAME is already running),"
- echo " or 'PACKAGE_NAME start' (to start PACKAGE_NAME)"
- echo
- echo "To run in production mode:"
- echo
- echo " 1) Run 'PACKAGE_NAME production_mode'"
- echo
- echo " 2) Run 'PACKAGE_NAME restart' (if PACKAGE_NAME is already running),"
- echo " or 'PACKAGE_NAME start' (to start PACKAGE_NAME)"
- echo
- echo "By default, PACKAGE_NAME is configured to run in production mode."
- ) > $fileName
-
- }
-
- #
- # 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
- start-stop-daemon --chuid $userName --start --quiet \
- --exec $PRODUCTION_DAEMON --test > /dev/null 2>&1 \
- || return 1
-
- if [ $debugMode ]
- then
-
- # Enable core dumps.
- ulimit -c unlimited
-
- # Add date to the debug file.
- echo "Starting $DEBUG_DAEMON $DEBUG_DAEMON_ARGS on " $(date) >> \
- $debugOutputFile
- chown $userName:$groupName $debugOutputFile
-
- # Start with output redirected.
- start-stop-daemon --chuid $userName --start --quiet \
- --chdir $runDir \
- --exec $DEBUG_DAEMON -- $DEBUG_DAEMON_ARGS >> \
- $debugOutputFile 2>&1 \
- || return 2 &
- else
-
- start-stop-daemon --chuid $userName --start --quiet \
- --chdir $runDir \
- --background --exec $PRODUCTION_DAEMON -- \
- $PRODUCTION_DAEMON_ARGS > /dev/null 2>&1 || return 2
- fi
-
- # Check that process started.
- $dir/$clientProg -status.second > /dev/null 2>&1
- RETVAL=$?
- if [ $RETVAL -ne 0 ]; then
- RETVAL=2
- fi
- return $RETVAL
- }
-
- #
- # 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
- # Check whether SNFServer is running.
- start-stop-daemon --chuid $userName --start --quiet \
- --exec $PRODUCTION_DAEMON --test > /dev/null
- RETVAL=$?
-
- if [ $RETVAL -ne 1 ]; then
- return 1
- fi
-
- # Issue shutdown command
- $dir/$clientProg -shutdown > /dev/null 2>&1
- sleep 10
-
- # Check again whether SNFServer is running.
- start-stop-daemon --chuid $userName --start --quiet \
- --exec $PRODUCTION_DAEMON --test > /dev/null
- RETVAL=$?
-
- if [ $RETVAL -eq 1 ] ; then
- # Send TERM signal to stop SNFServer.
- start-stop-daemon --stop --quiet --retry=TERM/5 --exec $PRODUCTION_DAEMON
- RETVAL="$?"
- [ "$RETVAL" = 2 ] && return 2
- return "$RETVAL"
- fi
-
- # SNFServer isn't running.
- return 0
-
- }
-
- 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)
- start-stop-daemon --chuid $userName --start --quiet \
- --exec $PRODUCTION_DAEMON --test > /dev/null
- RETVAL=$?
- if [ $RETVAL -eq 0 ]; then
- # Stopped
- echo "$productionProg is stopped"
- else
- # Running
- echo "$productionProg (pid $(pidof $PRODUCTION_DAEMON)) is running"
- fi
- ;;
- restart|force-reload)
- #
- # If the "reload" option is implemented then remove the
- # 'force-reload' alias
- #
- 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
- ;;
- debug_mode)
- #
- # Remove any mode flags, and create the debug_mode file.
- #
- log_daemon_msg "Switching to debug mode $DESC" "$NAME"
- createModeFile $debugModeFile
- ;;
- production_mode)
- #
- # Remove any mode flags, and create the production_mode file.
- #
- log_daemon_msg "Switching to production mode $DESC" "$NAME"
- createModeFile $productionModeFile
- ;;
- *)
- echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload|production_mode|debug_mode}" >&2
- exit 3
- ;;
- esac
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