__init__.py 文件源码

def __init__(self, source, destination, payload='', proto=socket.IPPROTO_TCP):
        self.version = 4
        self.ihl = 5 # Internet Header Length
        self.tos = 0 # Type of Service
        self.tl = 20+len(payload)
        self.id = 0#random.randint(0, 65535)
        self.flags = 0 # Don't fragment
        self.offset = 0
        self.ttl = 255
        self.protocol = proto
        self.checksum = 2 # will be filled by kernel
        self.source = socket.inet_aton(source)
        self.destination = socket.inet_aton(destination)