add init service sript

Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=121nat
 PKG_VERSION:=0.6.5
-PKG_RELEASE:=1
+PKG_RELEASE:=3
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/stubbfel/121nat.git
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
@@ -54,13 +54,32 @@ define Build/Compile
 endef
 
 define Package/121nat/install
-	#$(INSTALL_DIR) $(1)/usr/lib/
-	#$(INSTALL_BIN) $(PKG_BUILD_DIR)/build/121Nat/lib/src/libtins/lib/libtins.a $(1)/usr/lib/
-	#$(INSTALL_BIN) $(PKG_BUILD_DIR)/build/121Nat/lib/src/jsoncpp/src/lib_json/libjsoncpp.a  $(1)/usr/lib/
 	$(INSTALL_DIR) $(1)/usr/bin
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/build/121Nat/src/121Nat $(1)/usr/bin
 	$(INSTALL_DIR) $(1)/etc/121nat
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/config.json $(1)/etc/121nat
+	$(INSTALL_DIR) $(1)/etc/init.d/
+	$(INSTALL_BIN) ./files/121nat/121natd $(1)/etc/init.d/
+endef
+
+define Package/121nat/postinst
+#!/bin/sh
+# check if we are on real system
+if [ -z "$${IPKG_INSTROOT}" ]; then
+        echo "Enabling rc.d symlink for 121natd"
+        /etc/init.d/121natd enable
+fi
+exit 0
+endef
+
+define Package/121nat/prerm
+#!/bin/sh
+# check if we are on real system
+if [ -z "$${IPKG_INSTROOT}" ]; then
+        echo "Removing rc.d symlink for 121natd"
+        /etc/init.d/121natd disable
+fi
+exit 0
 endef
 
 $(eval $(call BuildPackage,121nat))

files/121nat/121natd

@@ -0,0 +1,20 @@
+#!/bin/sh /etc/rc.common
+# "new(er)" style init script
+# Look at /lib/functions/service.sh on a running system for explanations of what other SERVICE_
+# options you can use, and when you might want them.
+
+START=99
+
+USE_PROCD=1
+PROG=/usr/bin/121Nat
+CONFFILE=/etc/121nat/config.json
+
+start_service() {
+	procd_open_instance
+	procd_set_param command $PROG $CONFFILE
+	procd_set_param file $CONFFILE
+	procd_set_param respawn
+	procd_set_param stdout 1 # forward stdout of the command to logd
+  	procd_set_param stderr 1 # same for stderr
+	procd_close_instance
+}