package/base-files/files/etc/rc.common

   1 #!/bin/sh
   2 # Copyright (C) 2006-2012 OpenWrt.org
   3
   4 . $IPKG_INSTROOT/lib/functions.sh
   5 . $IPKG_INSTROOT/lib/functions/service.sh
   6
   7 initscript=$1
   8 action=${2:-help}
   9 shift 2
  10
  11 start() {
  12         return 0
  13 }
  14
  15 stop() {
  16         return 0
  17 }
  18
  19 reload() {
  20         restart
  21 }
  22
  23 restart() {
  24         trap '' TERM
  25         stop "$@"
  26         trap - TERM
  27         start "$@"
  28 }
  29
  30 boot() {
  31         start "$@"
  32 }
  33
  34 shutdown() {
  35         stop
  36 }
  37
  38 disable() {
  39         name="$(basename "${initscript}")"
  40         rm -f "$IPKG_INSTROOT"/etc/rc.d/S??$name
  41         rm -f "$IPKG_INSTROOT"/etc/rc.d/K??$name
  42 }
  43
  44 enable() {
  45         err=1
  46         name="$(basename "${initscript}")"
  47         [ "$START" ] && \
  48                 ln -sf "../init.d/$name" "$IPKG_INSTROOT/etc/rc.d/S${START}${name##S[0-9][0-9]}" && \
  49                 err=0
  50         [ "$STOP" ] && \
  51                 ln -sf "../init.d/$name" "$IPKG_INSTROOT/etc/rc.d/K${STOP}${name##K[0-9][0-9]}" && \
  52                 err=0
  53         return $err
  54 }
  55
  56 enabled() {
  57         name="$(basename "${initscript}")"
  58         [ -x "$IPKG_INSTROOT/etc/rc.d/S${START}${name##S[0-9][0-9]}" ]
  59 }
  60
  61 depends() {
  62         return 0
  63 }
  64
  65 EXTRA_HELP=""
  66 EXTRA_COMMANDS="boot shutdown depends"
  67 extra_command() {
  68         local cmd="$1"
  69         local help="$2"
  70
  71         local extra="$(printf "%-16s%s" "${cmd}" "${help}")"
  72         EXTRA_HELP="${EXTRA_HELP}\t${extra}\n"
  73         EXTRA_COMMANDS="${EXTRA_COMMANDS} ${cmd}"
  74 }
  75
  76 help() {
  77         cat <<EOF
  78 Syntax: $initscript [command]
  79
  80 Available commands:
  81 EOF
  82         echo -e "$EXTRA_HELP"
  83 }
  84
  85 # for procd
  86 start_service() {
  87         return 0
  88 }
  89
  90 stop_service() {
  91         return 0
  92 }
  93
  94 service_triggers() {
  95         return 0
  96 }
  97
  98 service_data() {
  99         return 0
 100 }
 101
 102 service_running() {
 103         local service="${1:-$(basename $initscript)}"
 104         local instance="${2:-*}"
 105         procd_running "$service" "$instance" "$@"
 106 }
 107
 108 ${INIT_TRACE:+set -x}
 109
 110 extra_command "start" "Start the service"
 111 extra_command "stop" "Stop the service"
 112 extra_command "restart" "Restart the service"
 113 extra_command "reload" "Reload configuration files (or restart if service does not implement reload)"
 114 extra_command "enable" "Enable service autostart"
 115 extra_command "disable" "Disable service autostart"
 116 extra_command "enabled" "Check if service is started on boot"
 117
 118 . "$initscript"
 119
 120 [ -n "$USE_PROCD" ] && {
 121         extra_command "running" "Check if service is running"
 122         extra_command "status" "Service status"
 123         extra_command "trace" "Start with syscall trace"
 124
 125         . $IPKG_INSTROOT/lib/functions/procd.sh
 126         basescript=$(readlink "$initscript")
 127         rc_procd() {
 128                 local method="set"
 129                 [ -n "$2" ] && method="add"
 130                 procd_open_service "$(basename ${basescript:-$initscript})" "$initscript"
 131                 "$@"
 132                 procd_close_service "$method"
 133         }
 134
 135         start() {
 136                 rc_procd start_service "$@"
 137                 if eval "type service_started" 2>/dev/null >/dev/null; then
 138                         service_started
 139                 fi
 140         }
 141
 142         trace() {
 143                 TRACE_SYSCALLS=1
 144                 start "$@"
 145         }
 146
 147         stop() {
 148                 procd_lock
 149                 stop_service "$@"
 150                 procd_kill "$(basename ${basescript:-$initscript})" "$1"
 151                 if eval "type service_stopped" 2>/dev/null >/dev/null; then
 152                         service_stopped
 153                 fi
 154         }
 155
 156         reload() {
 157                 if eval "type reload_service" 2>/dev/null >/dev/null; then
 158                         procd_lock
 159                         reload_service "$@"
 160                 else
 161                         start
 162                 fi
 163         }
 164
 165         running() {
 166                 service_running "$@"
 167         }
 168
 169         status() {
 170                 if eval "type status_service" 2>/dev/null >/dev/null; then
 171                         status_service "$@"
 172                 else
 173                         _procd_status "$(basename ${basescript:-$initscript})" "$1"
 174                 fi
 175         }
 176 }
 177
 178 ALL_COMMANDS="${EXTRA_COMMANDS}"
 179 list_contains ALL_COMMANDS "$action" || action=help
 180 $action "$@"