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#!/bin/sh |
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#----------------------------------------------------------------------------- |
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#- Runlevel control shell script |
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C='rabit@netfrag.org, 04.11.2004' |
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I='$Id$' |
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#----------------------------------------------------------------------------- |
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#- Setup: |
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|
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# Service/daemon short name: |
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SVCNAME=anfud |
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|
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# Service/daemon long name: |
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SVCLONGNAME="Adjusting Net Filter Updater Daemon" |
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|
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# The daemon executable: |
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BINFILE=/usr/sbin/anfud |
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|
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# The PID file created on daemon start: |
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PIDFILE=/var/run/anfud.pid |
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|
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# User and group to run the daemon as: |
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USER=root |
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GROUP=adm |
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|
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#----------------------------------------------------------------------------- |
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#- Constants: |
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|
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N=$(basename $0) |
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|
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F="$N - Runlevel control for '$SVCNAME'." |
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|
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I=${I:4} |
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I=${I:-No CVS ID yet} |
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|
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E='echo -e' |
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|
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RD="\033[1;31m" |
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GN="\033[1;32m" |
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YW="\033[1;33m" |
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GY="\033[0;37m" |
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B1="\033[1m" |
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B0="\033[0m" |
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|
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# Return codes: |
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# 0 - no error |
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# 1 - start-stop-daemon: nothing done |
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# 2 - start-stop-daemon: with --retry, processes wouldn't die |
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# 3 - start-stop-daemon: trouble |
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# 4 - daemon is not running |
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# 5 - daemon is running |
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# 6 - no PID file |
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# 7 - PID file exists |
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# 8 - Could not remove PID file |
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|
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BreakOnError=1 |
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|
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#----------------------------------------------------------------------------- |
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#- Functions: |
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|
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do_start() { |
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|
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if [ "$BreakOnError" == 1 ]; then |
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|
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# Break if daemon is already running: |
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do_status |
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[ $? == 0 ] && return 5 |
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|
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# Break if PID file exists: |
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[ -f $PIDFILE ] && return 7 |
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fi |
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|
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# Start daemon: |
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start-stop-daemon --start --quiet --background --make-pidfile \ |
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--chuid $USER:$GROUP --pidfile $PIDFILE --exec $BINFILE >/dev/null |
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|
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return $? |
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} |
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|
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do_stop() { |
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|
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local exit_rm exit_ssd |
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|
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if [ "$BreakOnError" == 1 ]; then |
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|
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# Break if PID file does not exist: |
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[ ! -f $PIDFILE ] && return 6 |
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|
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# Break if daemon is not running: |
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do_status |
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[ $? != 0 ] && return 4 |
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|
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fi |
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|
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# Stop daemon: |
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start-stop-daemon --stop --quiet --pidfile $PIDFILE >/dev/null |
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exit_ssd=$? |
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|
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if [ $exit_ssd != 0 ] && [ $exit_ssd != 1 ]; then |
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return $exit_ssd |
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fi |
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|
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# Unlink stopped daemons PID file: |
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rm $PIDFILE |
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exit_rm=$? |
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|
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[ $exit_rm != 0 ] && return 8 |
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|
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# All went good: |
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return 0 |
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} |
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|
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do_status() { |
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# Test to kill a running daemon: |
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start-stop-daemon --stop --test --quiet \ |
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--pidfile $PIDFILE >/dev/null |
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|
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return $? |
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|
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# $? is zero, when start-stop-daemon could kill a running |
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# daemon, what means that it would be running. |
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} |
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|
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exitinfo() { |
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|
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local ExitCode Info |
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|
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ExitCode=${1:-0} |
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[ $ExitCode == 0 ] && return |
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|
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Info[0]="No error." |
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Info[1]="Warning: 'start-stop-daemon: nothing done'." |
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Info[2]="ERROR: 'start-stop-daemon: with --retry, processes wouldn't die'." |
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Info[3]="ERROR: 'start-stop-daemon: trouble'." |
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Info[4]="ERROR: The daemon is not running." |
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Info[5]="ERROR: The daemon is already running." |
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Info[6]="ERROR: No PID file found. The daemon may not run." |
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Info[7]="ERROR: A PID file exists. This may result from an unclear termination." |
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Info[8]="ERROR: Could not unlink PID file." |
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|
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$E " "${Info[$ExitCode]} |
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|
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return |
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} |
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|
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restart() { |
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local exit_start exit_stop |
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|
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ebegin "Restarting '$B1$SVCNAME$B0'..." |
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|
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do_stop |
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exit_stop=$? |
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|
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if [ "$exit_stop" != 0 ]; then |
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eend 1 |
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return $exit_stop |
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fi |
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|
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do_start |
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exit_start=$? |
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|
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if [ "$exit_start" != 0 ]; then |
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eend 1 |
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return $exit_start |
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fi |
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|
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eend 0 |
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|
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return 0 |
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} |
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|
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start() { |
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local exit_start |
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|
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ebegin "Starting '$B1$SVCNAME$B0'..." |
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|
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do_start |
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exit_start=$? |
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|
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eend $exit_start |
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|
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return $exit_start |
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} |
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|
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status() { |
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local |
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|
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ebegin "Status of '$B1$SVCNAME$B0':" |
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|
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do_status |
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exit_status=$? |
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|
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estatus $exit_status |
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|
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return $exit_status |
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} |
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|
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stop() { |
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local exit_stop |
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|
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ebegin "Stopping '$B1$SVCNAME$B0'..." |
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|
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do_stop |
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exit_stop=$? |
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|
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eend $exit_stop |
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|
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return $exit_stop |
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} |
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|
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#--------------------------------------------------------------------- |
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|
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ebegin() { |
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$E -n " $B1"'*'"$B0 $1 " |
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|
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return |
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} |
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|
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eend() { |
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if [ "${1:-0}" == 0 ]; then |
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$E "[ ${GN}done${GY} ]" |
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else |
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$E "[ ${RD}failed${GY} ]" |
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fi |
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|
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return |
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} |
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|
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estatus() { |
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if [ "$1" == 0 ]; then |
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$E "${GN}started${GY}" |
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else |
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$E "${RD}stopped${GY}" |
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fi |
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|
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return |
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} |
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|
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print_help() { |
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print_title |
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|
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print_usage |
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|
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$E $B1'Parameters:'$B0 |
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$E " ${B1}start$B0" |
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$E " Start the daemon." |
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$E " ${B1}stop$B0" |
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$E " Stop the daemon." |
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$E " ${B1}restart$B0" |
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$E " Restart the daemon (stop and start)." |
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$E " ${B1}status$B0" |
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$E " Print out the daemons status." |
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$E " ${B1}-h$B0|${B1}--help$B0" |
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$E " Print out this help." |
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$E " ${B1}-v$B0|${B1}--version$B0" |
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$E " Print out title and version only." |
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|
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return |
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} |
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|
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print_title() { |
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$E "$YW$F$GY\n$C\n($I)" |
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|
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return |
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} |
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|
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print_usage() { |
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$E $B1'Usage:'$B0 |
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$E " $B1$N [status|start|stop|restart|-h|--help|-v|--version]$B0" |
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|
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return |
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} |
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|
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#--------------------------------------------------------------------- |
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|
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case "$1" in |
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|
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(restart) |
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restart |
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exit_code=$? |
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exitinfo $exit_code |
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exit $exit_code |
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;; |
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|
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(start) |
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start |
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exit_code=$? |
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exitinfo $exit_code |
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exit $exit_code |
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;; |
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|
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(status) |
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status |
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exit_code=$? |
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exitinfo $exit_code |
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exit $exit_code |
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;; |
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|
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(stop) |
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stop |
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exit_code=$? |
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exitinfo $exit_code |
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exit $exit_code |
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;; |
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|
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(-h|--help) |
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print_help |
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exit |
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;; |
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|
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(-v|--version) |
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print_title |
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exit |
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;; |
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|
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(*) |
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# Any other parameter is unknown: |
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[ -n "$1" ] && $E "Unknown parameter '$1'." |
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;; |
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|
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esac |
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|
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print_usage |
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|
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$E "Try $B1$N --help$B0 for more." |
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|
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#--------------------------------------------------------------------- |
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