olsrd: switch to procd

Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit dc0adf7dce)

olsrd/Makefile

@@ -179,7 +179,7 @@ endef
 
 define Package/olsrd/install
 	$(INSTALL_DIR) $(1)/lib/functions
-	$(INSTALL_DATA) ./files/olsrd.init $(1)/lib/functions/olsrd.sh
+	$(INSTALL_DATA) ./files/olsrd.sh $(1)/lib/functions/olsrd.sh
 	$(INSTALL_DIR) $(1)/etc/config
 	$(INSTALL_DATA) ./files/olsrd.config $(1)/etc/config/olsrd
 	$(INSTALL_DATA) ./files/olsrd6.config $(1)/etc/config/olsrd6
@@ -188,8 +188,6 @@ define Package/olsrd/install
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/olsrd4.init $(1)/etc/init.d/olsrd
 	$(INSTALL_BIN) ./files/olsrd6.init $(1)/etc/init.d/olsrd6
-	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
-	$(INSTALL_BIN) ./files/olsrd.hotplug.sh $(1)/etc/hotplug.d/iface/50-olsrd
 endef
 
 define Package/olsrd-mod-arprefresh/install

olsrd/files/olsrd.hotplug.sh

@@ -1,71 +0,0 @@
-#!/bin/sh
-
-olsrd_list_configured_interfaces()
-{
-	local i=0
-	local interface
-
-	while interface="$( uci -q get $OLSRD.@Interface[$i].interface )"; do {
-		case "$( uci -q get $OLSRD.@Interface[$i].ignore )" in
-			1|on|true|enabled|yes)
-				# is disabled
-			;;
-			*)
-				echo "$interface"	# e.g. 'lan'
-			;;
-		esac
-
-		i=$(( i + 1 ))
-	} done
-}
-
-olsrd_interface_already_in_config()
-{
-	# e.g.: 'Interface "eth0.1" "eth0.2" "wlan0"'
-	if grep -s ^'Interface ' "/var/etc/$OLSRD.conf" | grep -q "\"$DEVICE\""; then
-		logger -t olsrd_hotplug -p daemon.debug "[OK] already_active: '$INTERFACE' => '$DEVICE'"
-		return 0
-	else
-		logger -t olsrd_hotplug -p daemon.info "[OK] ifup: '$INTERFACE' => '$DEVICE'"
-		return 1
-	fi
-}
-
-olsrd_interface_needs_adding()
-{
-	local interface
-
-	# likely and cheap operation:
-	olsrd_interface_already_in_config && return 1
-
-	for interface in $(olsrd_list_configured_interfaces); do {
-		[ "$interface" = "$INTERFACE" ] && {
-			olsrd_interface_already_in_config || return 0
-		}
-	} done
-
-	logger -t olsrd_hotplug -p daemon.debug "[OK] interface '$INTERFACE' => '$DEVICE' not used for $OLSRD"
-	return 1
-}
-
-case "$ACTION" in
-	ifup)
-		# only work after the first normal startup
-		# also: no need to test, if enabled
-	        OLSRD=olsrd
-		[ -e "/var/etc/$OLSRD.conf" ] && {
-			# INTERFACE = e.g. 'wlanadhocRADIO1' or 'cfg144d8f'
-			# DEVICE    = e.g. 'wlan1-1'
-			olsrd_interface_needs_adding && {
-				. /etc/rc.common /etc/init.d/$OLSRD restart
-			}
-		}
-
-	        OLSRD=olsrd6
-		[ -e "/var/etc/$OLSRD.conf" ] && {
-			olsrd_interface_needs_adding && {
-				. /etc/rc.common /etc/init.d/$OLSRD restart
-			}
-		}
-	;;
-esac

olsrd/files/olsrd.sh

@@ -1,11 +1,6 @@
 #!/bin/sh /etc/rc.common
 # Copyright (C) 2008-2017 OpenWrt.org
 
-START=65
-
-SERVICE_DAEMONIZE=1
-SERVICE_WRITE_PID=1
-
 OLSRD_OLSRD_SCHEMA='ignore:internal config_file:internal DebugLevel=0 AllowNoInt=yes'
 OLSRD_IPCCONNECT_SCHEMA='ignore:internal Host:list Net:list2'
 OLSRD_LOADPLUGIN_SCHEMA='ignore:internal library:internal Host4:list Net4:list2 Host:list Net:list2 Host6:list Net6:list2 Ping:list redistribute:list NonOlsrIf:list name:list lat lon latlon_infile HNA:list2 hosts:list2 ipv6only:bool'
@@ -34,6 +29,54 @@ validate_varname() {
 	return 0
 }
 
+olsrd_list_configured_interfaces()
+{
+	local i=0
+	local interface
+
+	while interface="$( uci -q get $OLSRD.@Interface[$i].interface )"; do {
+		case "$( uci -q get $OLSRD.@Interface[$i].ignore )" in
+			1|on|true|enabled|yes)
+				# is disabled
+			;;
+			*)
+				echo "$interface"	# e.g. 'lan'
+			;;
+		esac
+
+		i=$(( i + 1 ))
+	} done
+}
+
+olsrd_interface_already_in_config()
+{
+	# e.g.: 'Interface "eth0.1" "eth0.2" "wlan0"'
+	if grep -s ^'Interface ' "/var/etc/$OLSRD.conf" | grep -q "\"$DEVICE\""; then
+		logger -t olsrd_hotplug -p daemon.debug "[OK] already_active: '$INTERFACE' => '$DEVICE'"
+		return 0
+	else
+		logger -t olsrd_hotplug -p daemon.info "[OK] ifup: '$INTERFACE' => '$DEVICE'"
+		return 1
+	fi
+}
+
+olsrd_interface_needs_adding()
+{
+	local interface
+
+	# likely and cheap operation:
+	olsrd_interface_already_in_config && return 1
+
+	for interface in $(olsrd_list_configured_interfaces); do {
+		[ "$interface" = "$INTERFACE" ] && {
+			olsrd_interface_already_in_config || return 0
+		}
+	} done
+
+	logger -t olsrd_hotplug -p daemon.debug "[OK] interface '$INTERFACE' => '$DEVICE' not used for $OLSRD"
+	return 1
+}
+
 validate_olsrd_option() {
 	local str="$1"
 	[ -z "$str" -o "$str" != "${str%%[! 	0-9A-Za-z.%/|:_-]*}" ] && return 1
@@ -769,7 +812,8 @@ olsrd_setup_smartgw_rules() {
 	fi
 }
 
-start() {
+olsrd_generate_config() {
+	UCI_CONF_NAME="$1"
 	SYSTEM_HOSTNAME=
 	SYSTEM_LAT=
 	SYSTEM_LON=
@@ -801,23 +845,4 @@ start() {
 	fi
 
 	[ -z "$OLSRD_CONFIG_FILE" ] && return 1
-
-	SERVICE_PID_FILE="$PID"
-	if service_check /usr/sbin/olsrd; then
-		error "there is already an instance of $UCI_CONF_NAME running (pid: '$(cat $PID)'), not starting."
-		return 1
-	else
-		service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
-		sleep 1
-		service_check /usr/sbin/olsrd || {
-			log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
-		}
-	fi
-
-	olsrd_setup_smartgw_rules
-}
-
-stop() {
-	SERVICE_PID_FILE="$PID"
-	service_stop /usr/sbin/olsrd
 }

olsrd/files/olsrd4.init

@@ -4,11 +4,37 @@
 . $IPKG_INSTROOT/lib/functions/olsrd.sh
 
 START=65
-
+USE_PROCD=1
-SERVICE_DAEMONIZE=1
+BIN=/usr/sbin/olsrd
-SERVICE_WRITE_PID=1
+OLSRD=olsrd
-
+CONF=/var/etc/$OLSRD.conf
-CONF=/var/etc/olsrd.conf
 PID=/var/run/olsrd.pid
 
-UCI_CONF_NAME=olsrd
+start_service() {
+	olsrd_generate_config $OLSRD
+	
+	procd_open_instance
+	procd_set_param command "$BIN"
+	procd_append_param command -f ${CONF}
+	procd_append_param command -nofork
+	procd_append_param command -pidfile ${PID}
+
+	# restart if olsrd dies
+	procd_set_param respawn
+
+	# automatically restart olsrd if generated cfg has changed
+	procd_set_param file $CONF
+
+	procd_set_param pidfile $PID
+
+	procd_close_instance
+
+	olsrd_setup_smartgw_rules
+}
+
+service_triggers() {
+	# restart on ifup interface events
+	for n in $(olsrd_list_configured_interfaces $OLSRD); do
+		procd_add_reload_interface_trigger $n /etc/init.d/$OLSRD reload
+	done
+}

olsrd/files/olsrd6.init

@@ -4,11 +4,38 @@
 . $IPKG_INSTROOT/lib/functions/olsrd.sh
 
 START=65
-
+USE_PROCD=1
-SERVICE_DAEMONIZE=1
+BIN=/usr/sbin/olsrd
-SERVICE_WRITE_PID=1
+OLSRD=olsrd6
-
+CONF=/var/etc/$OLSRD.conf
-CONF=/var/etc/olsrd6.conf
 PID=/var/run/olsrd6.pid
 
-UCI_CONF_NAME=olsrd6
+
+start_service() {
+	olsrd_generate_config $OLSRD
+
+	procd_open_instance
+	procd_set_param command "$BIN"
+	procd_append_param command -f ${CONF}
+	procd_append_param command -nofork
+	procd_append_param command -pidfile ${PID}
+
+	# restart if olsrd dies
+	procd_set_param respawn
+
+	# automatically restart olsrd if generated cfg has changed
+	procd_set_param file $CONF
+
+	procd_set_param pidfile $PID
+
+	procd_close_instance
+
+	olsrd_setup_smartgw_rules
+}
+
+service_triggers() {
+	# restart on ifup interface events
+	for n in $(olsrd_list_configured_interfaces $OLSRD); do
+		procd_add_reload_interface_trigger $n /etc/init.d/$OLSRD reload
+	done
+}