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base-files: split service related functions off to /lib/functions/service.sh
SVN-Revision: 31042
This commit is contained in:
Felix Fietkau
parent
a660a57d71
commit
6f46704743
@ -3,6 +3,8 @@
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# DEBUG="echo"
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# DEBUG="echo"
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. /lib/functions/service.sh
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do_sysctl() {
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do_sysctl() {
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[ -n "$2" ] && \
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[ -n "$2" ] && \
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sysctl -n -e -w "$1=$2" >/dev/null || \
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sysctl -n -e -w "$1=$2" >/dev/null || \
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@ -1,7 +1,8 @@
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#!/bin/sh
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#!/bin/sh
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# Copyright (C) 2006-2011 OpenWrt.org
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# Copyright (C) 2006-2011 OpenWrt.org
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. $IPKG_INSTROOT/etc/functions.sh
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. $IPKG_INSTROOT/lib/functions.sh
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. $IPKG_INSTROOT/lib/functions/service.sh
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initscript=$1
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initscript=$1
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action=${2:-help}
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action=${2:-help}
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@ -275,134 +275,6 @@ uci_apply_defaults() {
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uci commit
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uci commit
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}
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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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# -C check if EXEC is alive
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# -S start EXEC, passing it ARGS as its arguments
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# -K kill EXEC, sending it a TERM signal if not specified otherwise
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#
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# Environment variables exposed:
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# SERVICE_DAEMONIZE run EXEC in background
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# SERVICE_WRITE_PID create a pid-file and use it for matching
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# SERVICE_MATCH_EXEC use EXEC command-line for matching (default)
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# SERVICE_MATCH_NAME use EXEC process name for matching
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# SERVICE_USE_PID assume EXEC create its own pid-file and use it for matching
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# SERVICE_NAME process name to use (default to EXEC file part)
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# SERVICE_PID_FILE pid file to use (default to /var/run/$SERVICE_NAME.pid)
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# SERVICE_SIG signal to send when using -K
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# SERVICE_SIG_RELOAD default signal used when reloading
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# SERVICE_SIG_STOP default signal used when stopping
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# SERVICE_STOP_TIME time to wait for a process to stop gracefully before killing it
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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_STOP_TIME=5
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SERVICE_MATCH_EXEC=1
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service() {
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local ssd
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local exec
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local name
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local start
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ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
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case "$1" in
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-C)
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ssd="$ssd -K -t"
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;;
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-S)
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ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
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start=1
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;;
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-K)
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ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}"
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;;
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*)
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echo "service: unknown ACTION '$1'" 1>&2
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return 1
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esac
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shift
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exec="$1"
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[ -n "$exec" ] || {
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echo "service: missing argument" 1>&2
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return 1
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}
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[ -x "$exec" ] || {
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echo "service: file '$exec' is not executable" 1>&2
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return 1
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}
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name="${SERVICE_NAME:-${exec##*/}}"
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[ -z "$SERVICE_USE_PID$SERVICE_WRITE_PID$SERVICE_PID_FILE" ] \
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|| ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/$name.pid}"
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[ -z "$SERVICE_MATCH_NAME" ] || ssd="$ssd -n $name"
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ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
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[ -z "$SERVICE_MATCH_EXEC$start" ] || ssd="$ssd -x $exec"
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shift
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$ssd${1:+ -- "$@"}
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}
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service_check() {
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service -C "$@"
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}
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service_signal() {
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SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@"
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}
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service_start() {
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service -S "$@"
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}
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service_stop() {
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local try
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SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_STOP}" service -K "$@" || return 1
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while [ $((try++)) -lt $SERVICE_STOP_TIME ]; do
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service -C "$@" || return 0
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sleep 1
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done
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SERVICE_SIG="KILL" service -K "$@"
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sleep 1
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! service -C "$@"
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}
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service_reload() {
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SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_RELOAD}" service -K "$@"
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}
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service_kill() {
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cat 1>&2 << __END_OF_WARNING__
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#
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# WARNING: the 'service_kill' function is now deprecated and might be
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# removed soon. Consider using the other new service_* wrappers instead.
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#
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__END_OF_WARNING__
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local name="${1}"
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local pid="${2:-$(pidof "$name")}"
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local grace="${3:-5}"
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[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
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for pid in $pid; do
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[ -d "/proc/$pid" ] || continue
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local try=0
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kill -TERM $pid 2>/dev/null && \
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while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
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kill -KILL $pid 2>/dev/null && \
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while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
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done
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}
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group_add() {
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group_add() {
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local name="$1"
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local name="$1"
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local gid="$2"
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local gid="$2"
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129
package/base-files/files/lib/functions/service.sh
Normal file
129
package/base-files/files/lib/functions/service.sh
Normal file
@ -0,0 +1,129 @@
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#
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# service: simple wrapper around start-stop-daemon
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#
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# Usage: service ACTION EXEC ARGS...
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#
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# Action:
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# -C check if EXEC is alive
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# -S start EXEC, passing it ARGS as its arguments
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# -K kill EXEC, sending it a TERM signal if not specified otherwise
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#
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# Environment variables exposed:
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# SERVICE_DAEMONIZE run EXEC in background
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# SERVICE_WRITE_PID create a pid-file and use it for matching
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# SERVICE_MATCH_EXEC use EXEC command-line for matching (default)
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# SERVICE_MATCH_NAME use EXEC process name for matching
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# SERVICE_USE_PID assume EXEC create its own pid-file and use it for matching
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# SERVICE_NAME process name to use (default to EXEC file part)
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# SERVICE_PID_FILE pid file to use (default to /var/run/$SERVICE_NAME.pid)
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# SERVICE_SIG signal to send when using -K
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# SERVICE_SIG_RELOAD default signal used when reloading
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# SERVICE_SIG_STOP default signal used when stopping
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# SERVICE_STOP_TIME time to wait for a process to stop gracefully before killing it
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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_STOP_TIME=5
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SERVICE_MATCH_EXEC=1
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service() {
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local ssd
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local exec
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local name
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local start
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ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
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case "$1" in
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-C)
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ssd="$ssd -K -t"
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;;
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-S)
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ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
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start=1
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;;
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-K)
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ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}"
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;;
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*)
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echo "service: unknown ACTION '$1'" 1>&2
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return 1
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esac
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shift
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exec="$1"
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[ -n "$exec" ] || {
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echo "service: missing argument" 1>&2
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return 1
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}
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[ -x "$exec" ] || {
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echo "service: file '$exec' is not executable" 1>&2
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return 1
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}
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name="${SERVICE_NAME:-${exec##*/}}"
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[ -z "$SERVICE_USE_PID$SERVICE_WRITE_PID$SERVICE_PID_FILE" ] \
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|| ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/$name.pid}"
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[ -z "$SERVICE_MATCH_NAME" ] || ssd="$ssd -n $name"
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ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
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[ -z "$SERVICE_MATCH_EXEC$start" ] || ssd="$ssd -x $exec"
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shift
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$ssd${1:+ -- "$@"}
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}
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service_check() {
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service -C "$@"
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}
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service_signal() {
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SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@"
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}
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service_start() {
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service -S "$@"
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}
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service_stop() {
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local try
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SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_STOP}" service -K "$@" || return 1
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while [ $((try++)) -lt $SERVICE_STOP_TIME ]; do
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service -C "$@" || return 0
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sleep 1
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done
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SERVICE_SIG="KILL" service -K "$@"
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sleep 1
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! service -C "$@"
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}
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service_reload() {
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SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_RELOAD}" service -K "$@"
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}
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service_kill() {
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cat 1>&2 << __END_OF_WARNING__
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#
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# WARNING: the 'service_kill' function is now deprecated and might be
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# removed soon. Consider using the other new service_* wrappers instead.
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#
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__END_OF_WARNING__
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local name="${1}"
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local pid="${2:-$(pidof "$name")}"
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local grace="${3:-5}"
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[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
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for pid in $pid; do
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[ -d "/proc/$pid" ] || continue
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local try=0
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kill -TERM $pid 2>/dev/null && \
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while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
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kill -KILL $pid 2>/dev/null && \
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while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
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done
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}
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