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Annotation of embedaddon/lighttpd/doc/initscripts/rc.lighttpd, revision 1.1.1.1

1.1       misho       1: #! /bin/sh
                      2: # Copyright (c) 1995-2002 SuSE Linux AG, Nuernberg, Germany.
                      3: # All rights reserved.
                      4: #
                      5: # Author: Kurt Garloff <feedback@suse.de>
                      6: #
                      7: # /etc/init.d/FOO
                      8: #
                      9: #   and symbolic its link
                     10: #
                     11: # /(usr/)sbin/rcFOO
                     12: #
                     13: # LSB compliant service control script; see http://www.linuxbase.org/spec/
                     14: #
                     15: # System startup script for some example service or daemon FOO (template)
                     16: #
                     17: ### BEGIN INIT INFO
                     18: # Provides: FOO
                     19: # Required-Start: $remote_fs $syslog
                     20: # Required-Stop:  $remote_fs $syslog
                     21: # Default-Start:  3 5
                     22: # Default-Stop:   0 1 2 6
                     23: # Description:    Start FOO to allow XY and provide YZ
                     24: #      continued on second line by '#<TAB>'
                     25: ### END INIT INFO
                     26: #
                     27: # Note on Required-Start: It does specify the init script ordering,
                     28: # not real dependencies. Depencies have to be handled by admin
                     29: # resp. the configuration tools (s)he uses.
                     30: 
                     31: # Source SuSE config (if still necessary, most info has been moved)
                     32: test -r /etc/rc.config && . /etc/rc.config
                     33: 
                     34: # Check for missing binaries (stale symlinks should not happen)
                     35: LIGHTTPD_BIN=/usr/sbin/lighttpd
                     36: test -x $LIGHTTPD_BIN || exit 5
                     37: 
                     38: # Check for existence of needed config file and read it
                     39: LIGHTTPD_CONFIG=/etc/sysconfig/lighttpd
                     40: test -r $LIGHTTPD_CONFIG || exit 6
                     41: . $LIGHTTPD_CONFIG
                     42: 
                     43: # Shell functions sourced from /etc/rc.status:
                     44: #      rc_check         check and set local and overall rc status
                     45: #      rc_status        check and set local and overall rc status
                     46: #      rc_status -v     ditto but be verbose in local rc status
                     47: #      rc_status -v -r  ditto and clear the local rc status
                     48: #      rc_failed        set local and overall rc status to failed
                     49: #      rc_failed <num>  set local and overall rc status to <num><num>
                     50: #      rc_reset         clear local rc status (overall remains)
                     51: #      rc_exit          exit appropriate to overall rc status
                     52: #      rc_active       checks whether a service is activated by symlinks
                     53: . /etc/rc.status
                     54: 
                     55: # First reset status of this service
                     56: rc_reset
                     57: 
                     58: # Return values acc. to LSB for all commands but status:
                     59: # 0 - success
                     60: # 1 - generic or unspecified error
                     61: # 2 - invalid or excess argument(s)
                     62: # 3 - unimplemented feature (e.g. "reload")
                     63: # 4 - insufficient privilege
                     64: # 5 - program is not installed
                     65: # 6 - program is not configured
                     66: # 7 - program is not running
                     67: #
                     68: # Note that starting an already running service, stopping
                     69: # or restarting a not-running service as well as the restart
                     70: # with force-reload (in case signalling is not supported) are
                     71: # considered a success.
                     72: 
                     73: case "$1" in
                     74:     start)
                     75:        echo -n "Starting lighttpd"
                     76:        ## Start daemon with startproc(8). If this fails
                     77:        ## the echo return value is set appropriate.
                     78: 
                     79:        # NOTE: startproc returns 0, even if service is
                     80:        # already running to match LSB spec.
                     81:        startproc $LIGHTTPD_BIN -f $LIGHTTPD_CONF_PATH
                     82: 
                     83:        # Remember status and be verbose
                     84:        rc_status -v
                     85:        ;;
                     86:     stop)
                     87:        echo -n "Shutting down lighttpd"
                     88:        ## Stop daemon with killproc(8) and if this fails
                     89:        ## set echo the echo return value.
                     90: 
                     91:        killproc -TERM $LIGHTTPD_BIN
                     92: 
                     93:        # Remember status and be verbose
                     94:        rc_status -v
                     95:        ;;
                     96:     try-restart)
                     97:        ## Stop the service and if this succeeds (i.e. the
                     98:        ## service was running before), start it again.
                     99:        ## Note: try-restart is not (yet) part of LSB (as of 0.7.5)
                    100:        $0 status >/dev/null &&  $0 restart
                    101: 
                    102:        # Remember status and be quiet
                    103:        rc_status
                    104:        ;;
                    105:     restart)
                    106:        ## Stop the service and regardless of whether it was
                    107:        ## running or not, start it again.
                    108:        $0 stop
                    109:        $0 start
                    110: 
                    111:        # Remember status and be quiet
                    112:        rc_status
                    113:        ;;
                    114:     force-reload|reload)
                    115:        ## Like force-reload, but if daemon does not support
                    116:        ## signalling, do nothing (!)
                    117: 
                    118:        # If it supports signalling:
                    119:        echo -n "Reload service LIGHTTPD"
                    120:        killproc -INT $LIGHTTPD_BIN
                    121:        $0 start
                    122:        touch /var/run/lighttpd.pid
                    123:        rc_status -v
                    124: 
                    125:        ## Otherwise if it does not support reload:
                    126:        #rc_failed 3
                    127:        #rc_status -v
                    128:        ;;
                    129:     status)
                    130:        echo -n "Checking for service LIGHTTPD: "
                    131:        ## Check status with checkproc(8), if process is running
                    132:        ## checkproc will return with exit status 0.
                    133: 
                    134:        # Return value is slightly different for the status command:
                    135:        # 0 - service running
                    136:        # 1 - service dead, but /var/run/  pid  file exists
                    137:        # 2 - service dead, but /var/lock/ lock file exists
                    138:        # 3 - service not running
                    139: 
                    140:        # NOTE: checkproc returns LSB compliant status values.
                    141:        checkproc $LIGHTTPD_BIN
                    142:        rc_status -v
                    143:        ;;
                    144:     probe)
                    145:        ## Optional: Probe for the necessity of a reload,
                    146:        ## print out the argument which is required for a reload.
                    147: 
                    148:        test /etc/lighttpd/lighttpd.conf -nt /var/run/lighttpd.pid && echo reload
                    149:        ;;
                    150:     *)
                    151:        echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
                    152:        exit 1
                    153:        ;;
                    154: esac
                    155: rc_exit