*     *  @param vif_name the name of the vif to apply to.     */    XrlCmdError mld6igmp_0_1_reset_vif_query_last_member_interval(	// Input values,	const string&	vif_name);    /**     *  Get the Query Response Interval per interface.     *     *  @param vif_name the name of the vif to apply to.     *     *  @param interval_sec the number of seconds in the interval.     *     *  @param interval_usec the number of microseconds (in addition to     *  interval_sec) in the interval.     */    XrlCmdError mld6igmp_0_1_get_vif_query_response_interval(	// Input values,	const string&	vif_name,	// Output values,	uint32_t&	interval_sec,	uint32_t&	interval_usec);    /**     *  Set the Query Response Interval per interface.     *     *  @param vif_name the name of the vif to apply to.     *     *  @param interval_sec the number of seconds in the interval.     *     *  @param interval_usec the number of microseconds (in addition to     *  interval_sec) in the interval.     */    XrlCmdError mld6igmp_0_1_set_vif_query_response_interval(	// Input values,	const string&	vif_name,	const uint32_t&	interval_sec,	const uint32_t&	interval_usec);    /**     *  Reset the Query Response Interval per interface to its default value.     *     *  @param vif_name the name of the vif to apply to.     */    XrlCmdError mld6igmp_0_1_reset_vif_query_response_interval(	// Input values,	const string&	vif_name);    /**     *  Get the Robustness Variable count per interface.     *     *  @param vif_name the name of the vif to apply to.     *     *  @param robust_count the count value.     */    XrlCmdError mld6igmp_0_1_get_vif_robust_count(	// Input values,	const string&	vif_name,	// Output values,	uint32_t&	robust_count);    /**     *  Set the Robustness Variable count per interface.     *     *  @param vif_name the name of the vif to apply to.     *     *  @param robust_count the count value.     */    XrlCmdError mld6igmp_0_1_set_vif_robust_count(	// Input values,	const string&	vif_name,	const uint32_t&	robust_count);    /**     *  Reset the Robustness Variable count per interface to its default value.     *     *  @param vif_name the name of the vif to apply to.     */    XrlCmdError mld6igmp_0_1_reset_vif_robust_count(	// Input values,	const string&	vif_name);    /**     *  Enable/disable the MLD6IGMP trace log for all operations.     *     *  @param enable if true, then enable the trace log, otherwise disable it.     */    XrlCmdError mld6igmp_0_1_log_trace_all(	// Input values,	const bool&	enable);    /**     *  Add/delete a client protocol in the MLD/IGMP protocol.     *       *  @param xrl_sender_name the XRL name of the originator of this XRL.     *       *  @param protocol_name the name of the protocol to add/delete.     *       *  @param protocol_id the ID of the protocol to add/delete (both sides     *  must agree on the particular values).     *       *  @param vif_name the name of the vif the protocol add/delete to apply     *  to.     *       *  @param vif_index the index of the vif the protocol add/delete to apply     *  to. The added protocol will receive Join/Leave membership information     *  about same-LAN members for the particular vif.     */    XrlCmdError mld6igmp_0_1_add_protocol4(	// Input values, 	const string&	xrl_sender_name, 	const string&	protocol_name, 	const uint32_t&	protocol_id, 	const string&	vif_name, 	const uint32_t&	vif_index);    XrlCmdError mld6igmp_0_1_add_protocol6(	// Input values, 	const string&	xrl_sender_name, 	const string&	protocol_name, 	const uint32_t&	protocol_id, 	const string&	vif_name, 	const uint32_t&	vif_index);    XrlCmdError mld6igmp_0_1_delete_protocol4(	// Input values, 	const string&	xrl_sender_name, 	const string&	protocol_name, 	const uint32_t&	protocol_id, 	const string&	vif_name, 	const uint32_t&	vif_index);    XrlCmdError mld6igmp_0_1_delete_protocol6(	// Input values, 	const string&	xrl_sender_name, 	const string&	protocol_name, 	const uint32_t&	protocol_id, 	const string&	vif_name, 	const uint32_t&	vif_index);    private:    class XrlTaskBase;    const ServiceBase* ifmgr_mirror_service_base() const {	return dynamic_cast<const ServiceBase*>(&_ifmgr);    }    const IfMgrIfTree& ifmgr_iftree() const { return _ifmgr.iftree(); }    /**     * Called when Finder connection is established.     *     * Note that this method overwrites an XrlRouter virtual method.     */    virtual void finder_connect_event();    /**     * Called when Finder disconnect occurs.     *     * Note that this method overwrites an XrlRouter virtual method.     */    virtual void finder_disconnect_event();    //    // Methods to handle the XRL tasks    //    void add_task(XrlTaskBase* xrl_task);    void send_xrl_task();    void pop_xrl_task();    void retry_xrl_task();    void fea_register_startup();    void mfea_register_startup();    void fea_register_shutdown();    void mfea_register_shutdown();    void finder_send_register_unregister_interest_cb(const XrlError& xrl_error);    //    // Protocol node methods    //    int register_receiver(const string& if_name, const string& vif_name,			  uint8_t ip_protocol,			  bool enable_multicast_loopback);    int unregister_receiver(const string& if_name, const string& vif_name,			    uint8_t ip_protocol);    void fea_client_send_register_unregister_receiver_cb(const XrlError& xrl_error);    int join_multicast_group(const string& if_name, const string& vif_name,			     uint8_t ip_protocol, const IPvX& group_address);    int leave_multicast_group(const string& if_name, const string& vif_name,			      uint8_t ip_protocol, const IPvX& group_address);    void fea_client_send_join_leave_multicast_group_cb(const XrlError& xrl_error);    int	proto_send(const string& if_name,		   const string& vif_name,		   const IPvX& src_address,		   const IPvX& dst_address,		   uint8_t ip_protocol,		   int32_t ip_ttl,		   int32_t ip_tos,		   bool ip_router_alert,		   bool ip_internet_control,		   const uint8_t* sndbuf,		   size_t sndlen,		   string& error_msg);    void fea_client_send_protocol_message_cb(const XrlError& xrl_error);        int send_add_membership(const string& dst_module_instance_name,			    xorp_module_id dst_module_id,			    uint32_t vif_index,			    const IPvX& source,			    const IPvX& group);    int send_delete_membership(const string& dst_module_instance_name,			       xorp_module_id dst_module_id,			       uint32_t vif_index,			       const IPvX& source,			       const IPvX& group);    void send_add_delete_membership();    void mld6igmp_client_send_add_delete_membership_cb(const XrlError& xrl_error);        //    // Protocol node CLI methods    //    int add_cli_command_to_cli_manager(const char *command_name,				       const char *command_help,				       bool is_command_cd,				       const char *command_cd_prompt,				       bool is_command_processor);    void cli_manager_client_send_add_cli_command_cb(const XrlError& xrl_error);    int delete_cli_command_from_cli_manager(const char *command_name);    void cli_manager_client_send_delete_cli_command_cb(const XrlError& xrl_error);    int family() const { return (Mld6igmpNode::family()); }    /**     * A base class for handling tasks for sending XRL requests.     */    class XrlTaskBase {    public:	XrlTaskBase(XrlMld6igmpNode& xrl_mld6igmp_node)	    : _xrl_mld6igmp_node(xrl_mld6igmp_node) {}	virtual ~XrlTaskBase() {}	virtual void dispatch() = 0;	virtual const char* operation_name() const = 0;    protected:	XrlMld6igmpNode&	_xrl_mld6igmp_node;    private:    };    /**     * Class for handling the task to register/unregister interest     * in the FEA or MFEA with the Finder.     */    class RegisterUnregisterInterest : public XrlTaskBase {    public:	RegisterUnregisterInterest(XrlMld6igmpNode&	xrl_mld6igmp_node,				   const string&	target_name,				   bool			is_register)	    : XrlTaskBase(xrl_mld6igmp_node),	      _target_name(target_name),	      _is_register(is_register) {}	void		dispatch() {	    _xrl_mld6igmp_node.send_register_unregister_interest();	}	const char*	operation_name() const {	    return ((_is_register)? "register" : "unregister");	}	const string&	target_name() const { return _target_name; }	bool		is_register() const { return _is_register; }    private:	string		_target_name;	bool		_is_register;    };    /**     * Class for handling the task to register/unregister with the FEA     * as a receiver on an interface.     */    class RegisterUnregisterReceiver : public XrlTaskBase {    public:	RegisterUnregisterReceiver(XrlMld6igmpNode&	xrl_mld6igmp_node,				   const string&	if_name,				   const string&	vif_name,				   uint8_t		ip_protocol,				   bool			enable_multicast_loopback,				   bool			is_register)	    : XrlTaskBase(xrl_mld6igmp_node),	      _if_name(if_name),	      _vif_name(vif_name),	      _ip_protocol(ip_protocol),	      _enable_multicast_loopback(enable_multicast_loopback),	      _is_register(is_register) {}	void		dispatch() {	    _xrl_mld6igmp_node.send_register_unregister_receiver();	}	const char*	operation_name() const {	    return ((_is_register)? "register" : "unregister");	}	const string&	if_name() const { return _if_name; }	const string&	vif_name() const { return _vif_name; }	uint8_t		ip_protocol() const { return _ip_protocol; }	bool		enable_multicast_loopback() const {	    return _enable_multicast_loopback;	}	bool		is_register() const { return _is_register; }    private:	string		_if_name;	string		_vif_name;	uint8_t		_ip_protocol;	bool		_enable_multicast_loopback;	bool		_is_register;    };    /**     * Class for handling the task of join/leave multicast group requests     */    class JoinLeaveMulticastGroup : public XrlTaskBase {    public:	JoinLeaveMulticastGroup(XrlMld6igmpNode&	xrl_mld6igmp_node,				const string&		if_name,				const string&		vif_name,				uint8_t			ip_protocol,				const IPvX&		group_address,				bool			is_join)	    : XrlTaskBase(xrl_mld6igmp_node),	      _if_name(if_name),	      _vif_name(vif_name),	      _ip_protocol(ip_protocol),	      _group_address(group_address),	      _is_join(is_join) {}	void		dispatch() {	    _xrl_mld6igmp_node.send_join_leave_multicast_group();	}	const char*	operation_name() const {	    return ((_is_join)? "join" : "leave");	}	const string&	if_name() const { return _if_name; }	const string&	vif_name() const { return _vif_name; }	uint8_t		ip_protocol() const { return _ip_protocol; }	const IPvX&	group_address() const { return _group_address; }	bool		is_join() const { return _is_join; }    private:	string		_if_name;	string		_vif_name;	uint8_t		_ip_protocol;	IPvX		_group_address;	bool		_is_join;    };    /**     * Class for handling the task of sending protocol messages     */    class SendProtocolMessage : public XrlTaskBase {    public:	SendProtocolMessage(XrlMld6igmpNode&	xrl_mld6igmp_node,			    const string&	if_name,			    const string&	vif_name,			    const IPvX&		src_address,			    const IPvX&		dst_address,			    uint8_t		ip_protocol,			    int32_t		ip_ttl,			    int32_t		ip_tos,			    bool		ip_router_alert,			    bool		ip_internet_control,			    const uint8_t*	sndbuf,			    size_t		sndlen)	    : XrlTaskBase(xrl_mld6igmp_node),	      _if_name(if_name),	      _vif_name(vif_name),	      _src_address(src_address),	      _dst_address(dst_address),	      _ip_protocol(ip_protocol),	      _ip_ttl(ip_ttl),	      _ip_tos(ip_tos),	      _ip_router_alert(ip_router_alert),	      _ip_internet_control(ip_internet_control) {	    _payload.resize(sndlen);	    for (size_t i = 0; i < sndlen; i++)		_payload[i] = sndbuf[i];	}	void		dispatch() {	    _xrl_mld6igmp_node.send_protocol_message();	}	const char*	operation_name() const {	    return ("send");	}	const string&	if_name() const { return _if_name; }	const string&	vif_name() const { return _vif_name; }	const IPvX&	src_address() const { return _src_address; }	const IPvX&	dst_address() const { return _dst_address; }	uint8_t		ip_protocol() const { return _ip_protocol; }	int32_t		ip_ttl() const { return _ip_ttl; }	int32_t		ip_tos() const { return _ip_tos; }	bool		ip_router_alert() const { return _ip_router_alert; }	bool		ip_internet_control() const { return _ip_internet_control; }	const vector<uint8_t>& payload() const { return _payload; }    private:	string		_if_name;	string		_vif_name;	IPvX		_src_address;	IPvX		_dst_address;	uint8_t		_ip_protocol;	int32_t		_ip_ttl;	int32_t		_ip_tos;	bool		_ip_router_alert;	bool		_ip_internet_control;	vector<uint8_t>	_payload;    };    /**     * Class for handling the queue of sending Add/Delete membership requests     */    class SendAddDeleteMembership {    public:	SendAddDeleteMembership(const string& dst_module_instance_name,				xorp_module_id dst_module_id,				uint32_t vif_index,				const IPvX& source,				const IPvX& group,				bool is_add)	    : _dst_module_instance_name(dst_module_instance_name),	      _dst_module_id(dst_module_id),	      _vif_index(vif_index),	      _source(source),	      _group(group),	      _is_add(is_add) {}	const char*	operation_name() const {	    return ((_is_add)? "add membership" : "delete membership");	}	const string& dst_module_instance_name() const { return _dst_module_instance_name; }	xorp_module_id dst_module_id() const { return _dst_module_id; }	uint32_t vif_index() const { return _vif_index; }	const IPvX& source() const { return _source; }	const IPvX& group() const { return _group; }	bool is_add() const { return _is_add; }    private:	string		_dst_module_instance_name;	xorp_module_id	_dst_module_id;	uint32_t	_vif_index;	IPvX		_source;	IPvX		_group;	bool		_is_add;    };    EventLoop&			_eventloop;    const string		_finder_target;    const string		_fea_target;    const string		_mfea_target;    IfMgrXrlMirror		_ifmgr;    XrlRawPacket4V0p1Client	_xrl_fea_client4;    XrlRawPacket6V0p1Client	_xrl_fea_client6;    XrlMld6igmpClientV0p1Client	_xrl_mld6igmp_client_client;    XrlCliManagerV0p1Client	_xrl_cli_manager_client;    XrlFinderEventNotifierV0p1Client	_xrl_finder_client;    static const TimeVal	RETRY_TIMEVAL;    bool			_is_finder_alive;    bool			_is_fea_alive;    bool			_is_fea_registered;    bool			_is_mfea_alive;    bool			_is_mfea_registered;    list<XrlTaskBase* >		_xrl_tasks_queue;    XorpTimer			_xrl_tasks_queue_timer;    list<SendAddDeleteMembership> _send_add_delete_membership_queue;    XorpTimer			_send_add_delete_membership_queue_timer;};#endif // __MLD6IGMP_XRL_MLD6IGMP_NODE_HH__