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 "${initscript}")"
  58         name="${name##[SK][0-9][0-9]}"
  59         {
  60                 [ -z "${START:-}" ] || [ -L "$IPKG_INSTROOT/etc/rc.d/S${START}$name" ]
  61         } && {
  62                 [ -z "${STOP:-}" ] || [ -L "$IPKG_INSTROOT/etc/rc.d/K${STOP}$name" ]
  63         }
  64 }
  65
  66 depends() {
  67         return 0
  68 }
  69
  70 ALL_HELP=""
  71 ALL_COMMANDS="boot shutdown depends"
  72 extra_command() {
  73         local cmd="$1"
  74         local help="$2"
  75
  76         local extra="$(printf "%-16s%s" "${cmd}" "${help}")"
  77         ALL_HELP="${ALL_HELP}\t${extra}\n"
  78         ALL_COMMANDS="${ALL_COMMANDS} ${cmd}"
  79 }
  80
  81 help() {
  82         cat <<EOF
  83 Syntax: $initscript [command]
  84
  85 Available commands:
  86 EOF
  87         echo -e "$ALL_HELP"
  88 }
  89
  90 # for procd
  91 start_service() {
  92         return 0
  93 }
  94
  95 stop_service() {
  96         return 0
  97 }
  98
  99 service_triggers() {
 100         return 0
 101 }
 102
 103 service_data() {
 104         return 0
 105 }
 106
 107 service_running() {
 108         local service="${1:-$(basename $initscript)}"
 109         local instance="${2:-*}"
 110         procd_running "$service" "$instance" "$@"
 111 }
 112
 113 ${INIT_TRACE:+set -x}
 114
 115 extra_command "start" "Start the service"
 116 extra_command "stop" "Stop the service"
 117 extra_command "restart" "Restart the service"
 118 extra_command "reload" "Reload configuration files (or restart if service does not implement reload)"
 119 extra_command "enable" "Enable service autostart"
 120 extra_command "disable" "Disable service autostart"
 121 extra_command "enabled" "Check if service is started on boot"
 122
 123 . "$initscript"
 124
 125 [ -n "$USE_PROCD" ] && {
 126         extra_command "running" "Check if service is running"
 127         extra_command "status" "Service status"
 128         extra_command "trace" "Start with syscall trace"
 129
 130         . $IPKG_INSTROOT/lib/functions/procd.sh
 131         basescript=$(readlink "$initscript")
 132         rc_procd() {
 133                 local method="set"
 134                 [ -n "$2" ] && method="add"
 135                 procd_open_service "$(basename ${basescript:-$initscript})" "$initscript"
 136                 "$@"
 137                 procd_close_service "$method"
 138         }
 139
 140         start() {
 141                 rc_procd start_service "$@"
 142                 if eval "type service_started" 2>/dev/null >/dev/null; then
 143                         service_started
 144                 fi
 145         }
 146
 147         trace() {
 148                 TRACE_SYSCALLS=1
 149                 start "$@"
 150         }
 151
 152         stop() {
 153                 procd_lock
 154                 stop_service "$@"
 155                 procd_kill "$(basename ${basescript:-$initscript})" "$1"
 156                 if eval "type service_stopped" 2>/dev/null >/dev/null; then
 157                         service_stopped
 158                 fi
 159         }
 160
 161         reload() {
 162                 if eval "type reload_service" 2>/dev/null >/dev/null; then
 163                         procd_lock
 164                         reload_service "$@"
 165                 else
 166                         start
 167                 fi
 168         }
 169
 170         running() {
 171                 service_running "$@"
 172         }
 173
 174         status() {
 175                 if eval "type status_service" 2>/dev/null >/dev/null; then
 176                         status_service "$@"
 177                 else
 178                         _procd_status "$(basename ${basescript:-$initscript})" "$1"
 179                 fi
 180         }
 181 }
 182
 183 ALL_COMMANDS="${ALL_COMMANDS} ${EXTRA_COMMANDS}"
 184 ALL_HELP="${ALL_HELP}${EXTRA_HELP}"
 185 list_contains ALL_COMMANDS "$action" || action=help
 186 $action "$@"