Code refactoring + port-hijacking backend (need port-hijacking backend testing)+

tests/px_test.py

@@ -82,6 +82,7 @@ def checkRegex(regex, should_work=True, upper=False):
                 if not server.sendCheckData(secrets.token_bytes(200) + s +  secrets.token_bytes(200)):
                     puts(f"The malicious request was successfully blocked ✔", color=colors.green)
                     n_blocked += 1
+                    time.sleep(0.5)
                     if firegex.px_get_regex(r["id"])["n_packets"] == n_blocked:
                         puts(f"The packed was reported as blocked ✔", color=colors.green)
                     else:
@@ -245,4 +246,4 @@ new_internal_port = firegex.px_get_service(service_id)["internal_port"]
 if (internal_port != new_internal_port): puts(f"Sucessfully got regenerated port {new_internal_port} ✔", color=colors.green)
 else: puts(f"Test Failed: Coundn't get internal port, or it was the same as previous ✗", color=colors.red); exit_test(1)
 
-exit_test(0)
+exit_test(0)