‘‘‘date:2014/12/3author:yssfunction:send packets from host to server with multithreading‘‘‘import threadingfrom time import sleep,ctimefrom scapy.all import *num=1000#the number of the threadclass MyThread(threading.Thread):    def __init__(self,func,args,name=‘‘):        threading.Thread.__init__(self)        self.name=name        self.func=func        self.args=args    def run(self):        apply(self.func,self.args)def send_packet():    send(IP(dst=‘192.168.85.132‘,ttl=(1,100))/ICMP())#each thread send 100 packetsdef main():    print ‘starting at:‘,ctime()    threads=[]        #deposit thresds    #nloops=range(len(loops))    for i in range(num):    #create an instance of an object        t=MyThread(send_packet,(),send_packet.__name__)        threads.append(t)    for i in range(num):    #start threads        threads[i].start()    for i in range(num):    #wait for all        threads[i].join()#threads to finish    print ‘all done at:‘,ctime()if __name__ == ‘__main__‘:    main()