From c51520101bffb72d572c8aa199453b973a021552 Mon Sep 17 00:00:00 2001 From: nico Date: Mon, 7 Nov 2011 22:58:27 +0000 Subject: package/base-files: /etc/rc.common: add service wrapper around start-stop-daemon git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28834 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/base-files/files/etc/rc.common | 84 +++++++++++++++++++++++++++++++++- 1 file changed, 83 insertions(+), 1 deletion(-) (limited to 'package/base-files') diff --git a/package/base-files/files/etc/rc.common b/package/base-files/files/etc/rc.common index 5bf357b9a..ec1bb16f4 100755 --- a/package/base-files/files/etc/rc.common +++ b/package/base-files/files/etc/rc.common @@ -1,5 +1,5 @@ #!/bin/sh -# Copyright (C) 2006-2009 OpenWrt.org +# Copyright (C) 2006-2011 OpenWrt.org . $IPKG_INSTROOT/etc/functions.sh @@ -7,6 +7,88 @@ initscript=$1 action=${2:-help} shift 2 +# +# service: simple wrapper around start-stop-daemon +# +# Usage: service ACTION EXEC ARGS... +# +# Action: +# -S,--start start EXEC, passing it ARGS as its arguments +# -K,--stop stop EXEC (send it a $SERVICE_SIG_STOP signal) +# -R,--reload reload EXEC (send it a $SERVICE_SIG_RELOAD signal) +# +# Environment variables used: +# SERVICE_DAEMONIZE run EXEC in background +# SERVICE_WRITE_PID create a pid file and use it +# SERVICE_USE_PID assume EXEC creates its own pid file and use it +# SERVICE_PID_FILE pid file to use (default to /var/run/EXEC.pid) +# SERVICE_SIG_RELOAD signal used for reloading +# SERVICE_SIG_STOP signal used for stopping +# SERVICE_UID user EXEC should be run as +# SERVICE_GID group EXEC should be run as +# +# SERVICE_DEBUG don't do anything, but show what would be done +# SERVICE_QUIET don't print anything +# + +SERVICE_QUIET=1 +SERVICE_SIG_RELOAD="HUP" +SERVICE_SIG_STOP="TERM" + +service() { + local ssd + local ssd_pid_file + local ssd_sig + local ssd_start + ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}" + case "$1" in + -S|--start|start) + ssd="$ssd -S" + ssd_start=1 + ;; + -K|--stop|stop) + ssd="$ssd -K" + ssd_sig="$SERVICE_SIG_STOP" + ;; + -R|--reload|reload) + ssd="$ssd -K" + ssd_sig="$SERVICE_SIG_RELOAD" + ;; + *) + echo "ssd: unknow action '$1'" 1>&2 + return 1 + esac + shift + if [ -z "$1" ]; then + echo "ssd: missing arguments" 1>&2 + return 1 + fi + ssd="$ssd -x $1" + if [ -n "$SERVICE_PID_FILE$SERVICE_USE_PID$SERVICE_WRITE_PID" ]; then + ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/${1##*/}.pid}" + fi + ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}" + if [ -n "$ssd_start" ]; then + ssd="$ssd${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}" + else + ssd="$ssd${ssd_sig:+ -s $ssd_sig}" + fi + shift + $ssd${1:+ -- "$@"} +} + +service_start() { + service -S "$@" +} + +service_stop() { + service -K "$@" +} + +service_reload() { + service -R "$@" +} + start() { return 0 } -- cgit v1.2.3