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@ -275,6 +275,88 @@ uci_apply_defaults() {
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uci commit
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}
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#
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# service: simple wrapper around start-stop-daemon
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#
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# Usage: service ACTION EXEC ARGS...
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#
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# Action:
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# -S,--start start EXEC, passing it ARGS as its arguments
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# -K,--stop stop EXEC (send it a $SERVICE_SIG_STOP signal)
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# -R,--reload reload EXEC (send it a $SERVICE_SIG_RELOAD signal)
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#
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# Environment variables used:
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# SERVICE_DAEMONIZE run EXEC in background
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# SERVICE_WRITE_PID create a pid file and use it
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# SERVICE_USE_PID assume EXEC creates its own pid file and use it
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# SERVICE_PID_FILE pid file to use (default to /var/run/EXEC.pid)
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# SERVICE_SIG_RELOAD signal used for reloading
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# SERVICE_SIG_STOP signal used for stopping
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# SERVICE_UID user EXEC should be run as
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# SERVICE_GID group EXEC should be run as
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#
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# SERVICE_DEBUG don't do anything, but show what would be done
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# SERVICE_QUIET don't print anything
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#
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SERVICE_QUIET=1
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SERVICE_SIG_RELOAD="HUP"
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SERVICE_SIG_STOP="TERM"
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service() {
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local ssd
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local ssd_pid_file
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local ssd_sig
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local ssd_start
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ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
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case "$1" in
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-S|--start|start)
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ssd="$ssd -S"
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ssd_start=1
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;;
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-K|--stop|stop)
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ssd="$ssd -K"
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ssd_sig="$SERVICE_SIG_STOP"
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;;
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-R|--reload|reload)
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ssd="$ssd -K"
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ssd_sig="$SERVICE_SIG_RELOAD"
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;;
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*)
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echo "ssd: unknow action '$1'" 1>&2
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return 1
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esac
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shift
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if [ -z "$1" ]; then
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echo "ssd: missing arguments" 1>&2
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return 1
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fi
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ssd="$ssd -x $1"
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if [ -n "$SERVICE_PID_FILE$SERVICE_USE_PID$SERVICE_WRITE_PID" ]; then
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ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/${1##*/}.pid}"
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fi
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ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
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if [ -n "$ssd_start" ]; then
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ssd="$ssd${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
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else
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ssd="$ssd${ssd_sig:+ -s $ssd_sig}"
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fi
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shift
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$ssd${1:+ -- "$@"}
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}
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service_start() {
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service -S "$@"
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}
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service_stop() {
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service -K "$@"
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}
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service_reload() {
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service -R "$@"
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}
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service_kill() {
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local name="${1}"
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local pid="${2:-$(pidof "$name")}"
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