From 4e9ccb42d739388fe8991c4290db6b2ef8905d3b Mon Sep 17 00:00:00 2001
From: Aart van Halteren <aart.van.halteren@philips.com>
Date: Thu, 18 Jul 2013 20:59:46 +0200
Subject: [PATCH] run as daemon

---
 Gemfile        |  1 +
 Gemfile.lock   |  2 ++
 daemonize.rb   |  8 ++++++++
 etc/smartmeter | 11 +++++++++++
 4 files changed, 22 insertions(+)
 create mode 100644 daemonize.rb
 create mode 100644 etc/smartmeter

diff --git a/Gemfile b/Gemfile
index 4dc5442..918f9ce 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,3 +5,4 @@ gem "mysql2"
 gem "serialport"
 gem "state_pattern"
 gem 'rufus-scheduler'
+gem 'daemons'
diff --git a/Gemfile.lock b/Gemfile.lock
index 70d38fd..a446b03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,6 +14,7 @@ GEM
       multi_json (~> 1.0)
     arel (3.0.2)
     builder (3.0.4)
+    daemons (1.1.9)
     i18n (0.6.1)
     multi_json (1.7.7)
     mysql2 (0.3.11)
@@ -28,6 +29,7 @@ PLATFORMS
 
 DEPENDENCIES
   activerecord (= 3.2.13)
+  daemons
   mysql2
   rufus-scheduler
   serialport
diff --git a/daemonize.rb b/daemonize.rb
new file mode 100644
index 0000000..cbb1646
--- /dev/null
+++ b/daemonize.rb
@@ -0,0 +1,8 @@
+require 'rubygems'
+require 'daemons'
+ 
+pwd = Dir.pwd
+Daemons.run_proc('smartmeter', {:dir_mode => :normal, :dir => pwd+"/pids"}) do
+  Dir.chdir(pwd)
+  exec "ruby smartmeter.rb"
+end
diff --git a/etc/smartmeter b/etc/smartmeter
new file mode 100644
index 0000000..ad83f8a
--- /dev/null
+++ b/etc/smartmeter
@@ -0,0 +1,11 @@
+#!/bin/bash
+#
+# Startup script (put in /etc/init.d/smartmeter)
+#
+# description: Starts Smartmeter as an unprivileged user.
+#
+
+sudo -u www-data ruby /mnt/usb/ruby/smartmeter/daemonize.rb $1
+RETVAL=$?
+
+exit $RETVAL