syn ack latnacy.py

try:
                    ai_list = socket.getaddrinfo(host, port, socket.AF_UNSPEC, socket.SOCK_STREAM)
                    self.payload['latency'][host] = 0  #set default
                    counter = 0;
                
                except socket.gaierror:
                    self.stderr(host+" - getaddrinfo() error: {0}".format(sys.exc_info()[1]))
                    continue
                
                for (family, socktype, proto, canon, sockaddr) in ai_list:
                    curr_socket = socket.socket(family, socktype)
                    
                    try:
                        start_time = time.time()
                        curr_socket.connect(sockaddr)
                        self.payload['latency'][host] += (float(time.time()-start_time))
                        counter += 1
                        curr_socket.close()
                    
                    except socket.timeout:
                        try:
                            self.payload['latency'][host] += (float(time.time()-start_time))
                            counter += 1
                            curr_socket.close()
                        except:
                            pass
                        
                    except:
                        curr_socket.close()
                        pass