udp.rb in ruby-growl-4.1

- old
+ new

@@ -117,13 +117,11 @@
   #
   # +password+ is the password needed to send notifications to +host+.
 
   def initialize(host, app_name, all_notifies, default_notifies = nil,
                  password = nil)
-    @socket = UDPSocket.open
-    # FIXME This goes somewhere else
-    @socket.connect host, PORT
+    @socket = socket host
     @app_name = app_name
     @all_notifies = all_notifies
     @default_notifies = default_notifies.nil? ? all_notifies : default_notifies
     @password = password
 
@@ -258,9 +256,29 @@
   #--
   # Is this truly necessary?
 
   def set_sndbuf(length)
     @socket.setsockopt Socket::SOL_SOCKET, Socket::SO_SNDBUF, length
+  end
+
+  def socket host
+    addrinfo = Addrinfo.udp host, PORT
+
+    socket = Socket.new addrinfo.pfamily, addrinfo.socktype, addrinfo.protocol
+
+    if addrinfo.ip_address == '255.255.255.255' then
+      socket.setsockopt :SOL_SOCKET, :SO_BROADCAST, true
+    elsif Socket.respond_to?(:getifaddrs) and
+            Socket.getifaddrs.any? do |ifaddr|
+              ifaddr.broadaddr and
+                ifaddr.broadaddr.ip_address == addrinfo.ip_address
+            end then
+      socket.setsockopt :SOL_SOCKET, :SO_BROADCAST, true
+    end
+
+    socket.connect addrinfo
+
+    socket
   end
 
 end
 