alias sock for get_sockname (and use it in http_parser bind same exam…

…ple)

examples/http_proxy.rb

@@ -18,7 +18,7 @@
     puts "New session: #{session} (#{h.inspect})"
 
     host, port = h['Host'].split(':')
-    conn.server session, :host => host, :port => (port || 80) #, :bind_host => conn.peer[0] - # for bind ip
+    conn.server session, :host => host, :port => (port || 80) #, :bind_host => conn.sock[0] - # for bind ip
 
     conn.relay_to_servers @buffer
 

lib/em-proxy/connection.rb

@@ -61,6 +61,14 @@ def peer
         @peer ||= peername ? Socket.unpack_sockaddr_in(peername).reverse : nil
       end
 
+      #
+      # [ip, port] of the local server connect
+      #
+      def sock
+        sockname = get_sockname
+        @sock ||= sockname ? Socket.unpack_sockaddr_in(sockname).reverse : nil
+      end
+
       #
       # relay data from backend server to client
       #