def geterr(self):
return cpcap.geterr(self._p)
def getaddr(interface):
ip, mac = cpcap.getaddr(interface)
ip = struct.pack("i", ip)
return ip_from_bin(ip), mac_from_bin(mac)
def filter(self, code, optimize=True, netmask=0):
if hasattr(self, "_fp"):
cpcap.freecode(self._fp)
if code:
self._fp = cpcap.filter(self._p, code, optimize, netmask)
def read(self):
packet, stamp = cpcap.read(self._p)
t = datetime.fromtimestamp(stamp["sec"] + stamp["usec"] / 1000000.0)
return (Packet(packet), t)
def send(self, packet):
cpcap.send(self._p, str(packet))
def __del__(self):
if hasattr(self, "_fp"):
cpcap.freecode(self._fp)
cpcap.close(self._p)
del self._p
def __init__(self, device, snaplen=65535, promisc=False, to_ms=0):
self._p = cpcap.open(device, snaplen, promisc, to_ms)
self.device = device