ports.py 文件源码

def _get_local_ip(self):
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
        # not using <broadcast> because gevents getaddrinfo doesn't like that
        # using port 1 as per hobbldygoop's comment about port 0 not working on osx:
        # https://github.com/sirMackk/ZeroNet/commit/fdcd15cf8df0008a2070647d4d28ffedb503fba2#commitcomment-9863928
        s.connect(('239.255.255.250', 1))
        return s.getsockname()[0]