def recv(self, x=MTU):
ll = self.ins.datalink()
if ll in conf.l2types:
cls = conf.l2types[ll]
else:
cls = conf.default_l2
warning("Unable to guess datalink type (interface=%s linktype=%i). Using %s" % (self.iface, ll, cls.name))
pkt = None
while pkt is None:
pkt = self.ins.next()
if pkt is not None:
ts,pkt = pkt
if scapy3k.arch.WINDOWS and pkt is None:
raise PcapTimeoutElapsed
try:
pkt = cls(pkt)
except KeyboardInterrupt:
raise
except:
if conf.debug_dissector:
raise
pkt = conf.raw_layer(pkt)
pkt.time = ts
return pkt
def send(self, x):
iff,a,gw = x.route()
if iff is None:
iff = conf.iface
ifs,cls = self.iflist.get(iff,(None,None))
if ifs is None:
iftype = self.intf.get(iff)["type"]
if iftype == INTF_TYPE_ETH:
try:
cls = conf.l2types[1]
except KeyError:
warning("Unable to find Ethernet class. Using nothing")
ifs = dnet_eth(iff)
else:
ifs = dnet_ip()
self.iflist[iff] = ifs,cls
if cls is None:
#sx = str(x)
sx = bytes(x)
else:
sx = bytes(cls()/x)
x.sent_time = time.time()
ifs.send(sx)