Re-structuring on new model

backend/binsrc/classes/netfilter.cpp

@@ -5,9 +5,10 @@
 #include <linux/netfilter.h>
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/types.h>
-#include <stdexcept>
 #include <thread>
 #include <iostream>
+#include <functional>
+#include <netinet/in.h>
 
 using namespace std;