lib/osc-ruby/broadcast_client.rb in osc-ruby-1.1.2 vs lib/osc-ruby/broadcast_client.rb in osc-ruby-1.1.3

@@ -1,15 +1,21 @@
+require 'ipaddr'
+
 module OSC
   class BroadcastClient
 
     BROADCAST_ADDRESS = '<broadcast>'
 
     attr_reader :port
 
-    def initialize(port)
+    def initialize(port, local_ip = nil)
       @port = port
       @so = UDPSocket.new
       @so.setsockopt Socket::SOL_SOCKET, Socket::SO_BROADCAST, true
+      if local_ip
+        @so.setsockopt Socket::IPPROTO_IP, Socket::IP_MULTICAST_IF, IPAddr.new(local_ip).hton
+        @so.bind(local_ip, 0)
+      end
     end
 
     def send(mesg)
       @so.send(mesg.encode, 0, BROADCAST_ADDRESS, @port)
     end