1 files changed, 23 insertions, 0 deletions
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