layer3.py 文件源码

def __init__(self, traffic_class: int = 0, flow_label: int = 0, next_header: int = 0, hop_limit: int = 0,
                 source: IPv6Address = None, destination: IPv6Address = None, payload: ProtocolElement = None):
        super().__init__()
        self.traffic_class = traffic_class
        self.flow_label = flow_label
        self.next_header = next_header
        self.hop_limit = hop_limit
        self.source = source
        self.destination = destination
        self.payload = payload