From b80bd744ad873f6fc43018bc4bfb90677de167bd Mon Sep 17 00:00:00 2001
From: Stefan Wintermeyer <stefan.wintermeyer@amooma.de>
Date: Mon, 17 Dec 2012 12:01:45 +0100
Subject: Start of GS5.

---
 config/initializers/connectivity_check.rb | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 config/initializers/connectivity_check.rb

(limited to 'config/initializers/connectivity_check.rb')

diff --git a/config/initializers/connectivity_check.rb b/config/initializers/connectivity_check.rb
new file mode 100644
index 0000000..583f372
--- /dev/null
+++ b/config/initializers/connectivity_check.rb
@@ -0,0 +1,23 @@
+require 'socket'
+require 'timeout'
+
+module Connectivity
+	
+	def self.port_open?( ip_addr, port )
+		begin
+			Timeout::timeout(5) {
+				s = TCPSocket.new( ip_addr, port )
+				s.close
+				return true
+			}
+		rescue Errno::ECONNREFUSED
+		rescue Errno::EHOSTUNREACH
+		rescue Errno::EADDRNOTAVAIL
+		rescue SocketError
+		rescue Timeout::Error
+		end
+		
+		return false
+	end
+
+end
-- 
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