ngamsServer.py 文件源码

def is_it_us(self, host, port):
        """
        True if the host/port combination corresponds to an address exposed by
        this server
        """
        if port != self.portNo:
            return False

        our_ip = self.ipAddress
        if our_ip != '0.0.0.0' and our_ip == host:
            return True

        # We are exposed to all interfaces and `host` might be one of them
        # gethostbyname_ex[2] is a list of addresses
        for h in socket.gethostbyname_ex(host)[2]:
            if h in self.all_ip_addresses:
                return True
        return False