Added better exception handling. Included a quick example with mongodb.

netflow.js

@@ -1,10 +1,18 @@
 require("NetFlowPacket");
+
+var netflow=function(callback){
 var dgram=require("dgram");
 var server = dgram.createSocket("udp4");
 
 server.on("message", function (mesg, rinfo) {
     x=new NetFlowPacket(mesg);
-    console.log(x);
+    try{
+      callback(null, x);
+       }
+    catch(err){
+      callback(error,null);
+    }
+   // console.log(x);
 });
 
 server.on("listening", function () {
@@ -13,4 +21,5 @@ server.on("listening", function () {
       address.address + ":" + address.port);
 });
 
-server.bind(2055);
+this.listen=function(port){server.bind(port)};
+}