public:
GREProtocol(const in6_addr &myaddr, const in6_addr &dst);
virtual void send_packet(uint16_t proto, const std::string &data, int incoming_seq);
virtual int fd() const;
public:
GREProtocol(const in6_addr &myaddr, const in6_addr &dst);
virtual void send_packet(uint16_t proto, const std::string &data, int incoming_seq);
virtual int fd() const;