aria2: update init file

This update is from #2961, thank @hostkit.

Signed-off-by: Hsing-Wang Liao <kuoruan@gmail.com>

net/aria2/Makefile

@@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=aria2
 PKG_VERSION:=1.24.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=https://github.com/aria2/aria2/releases/download/release-$(PKG_VERSION)/

net/aria2/files/aria2.init

@@ -1,5 +1,6 @@
 #!/bin/sh /etc/rc.common
 # Copyright (C) 2014-2016 nanpuyue <nanpuyue@gmail.com>
+# Copyright (C) 2016 kuoruan <kuoruan@gmail.com>
 
 START=99
 SERVICE_WRITE_PID=1
@@ -61,7 +62,7 @@ start_instance() {
 	config_list_foreach "$s" extra_settings append_extrasettings
 	
 	SERVICE_UID="$user" \
-	service_start /usr/bin/aria2c --conf-path="$config_file"
+	service_start /usr/bin/aria2c --conf-path="$config_file" # start service
 }
 
 append_extrasettings() {
@@ -69,10 +70,24 @@ append_extrasettings() {
 }
 
 start() {
+	logger -t ARIA2C 'Starting aria2c service'
 	config_load 'aria2'
 	config_foreach start_instance 'aria2'
+	return 0
 }
 
 stop() {
-	service_stop /usr/bin/aria2c
+	if [ -n "`pidof aria2c`" ]; then
+		logger -t ARIA2C 'Shutting down aria2c service'
+		service_stop /usr/bin/aria2c
+	fi
+	return 0
 }
+
+restart() {
+	logger -t ARIA2C 'Restarting aria2s service'
+	stop
+	sleep 2 # give time to shutdown
+	start
+}
+