import mypcap
import threading
class reciver(threading.Thread):
    def __init__(self,intrf,fname=None):
        self.intf=intrf
        self.fp=None
        if fname:
            self.fp=open(fname,"wb")
        threading.Thread.__init__(self)
    def run(self):
        self.intf.popen()
        while True:
            res,pkt=self.intf.read()
            if res>0:
                if self.fp:
                    self.fp.write(str(pkt))
                    self.fp.write("\r\n")
                print pkt
            elif res<0:
                print res
                break
        self.fp.close()
        return

    
int1=mypcap.interfaces()
cnt =0
for itm in int1:
    cnt+=1
    print cnt,":",itm
    t1=itm
##sel_int=int(raw_input("select inteface id:"))
t1=int1[2]
print t1,t1.desc
r1=reciver(int1[2],"log1.txt")
r1.start()

##t1.popen()
##print t1.write("master packet send by m.j")

##t1.pclose()
r1.join()