ping.py 文件源码

def run(self):
        #do pings
        for x in range(0, self.repeat):
            self.one_ping(self.ip, self.port, self.identifier, self.sequence, self.ttl, self.timeout)
            self.sequence += 1
            if x != self.repeat -1:
                time.sleep(self.sleep)
        #count packet loss
        self.result['packet_loss'] /= self.repeat
        #try to get hostname
        try:
            self.result['hostname'] = socket.gethostbyaddr(self.ip)[0]
        except socket.herror:
            self.result['hostname'] = None
        #calculate averate time
        if len(self.result['times']) != 0:
            self.result['avg_time'] = sum(self.result['times']) / len(self.result['times'])
            #and calculate mdev
            mean = sum([float(x) for x in self.result['times']]) / len(self.result['times'])
            self.result['mdev'] = sum([abs(x - mean) for x in self.result['times']]) / len(self.result['times'])

        return self.result