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authorNicolas Thill <nico@openwrt.org>2011-11-07 22:58:27 +0000
committerNicolas Thill <nico@openwrt.org>2011-11-07 22:58:27 +0000
commit10a03275bfcaeca706c2bd20064431f6f3bb6bf5 (patch)
treee9f6f322ee5e4418cfe157ee30bf40af23494c3e /package/base-files/files
parent87704b8078d0ef69e0a8cb1267e5e28faa187e51 (diff)
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package/base-files: /etc/rc.common: add service wrapper around start-stop-daemon
SVN-Revision: 28834
Diffstat (limited to 'package/base-files/files')
-rwxr-xr-xpackage/base-files/files/etc/rc.common84
1 files changed, 83 insertions, 1 deletions
diff --git a/package/base-files/files/etc/rc.common b/package/base-files/files/etc/rc.common
index 5bf357b9a8..ec1bb16f44 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
}