An invalid message, error return value. More...

Inheritance diagram for NullNavMsg:

Public Member Functions
std::string	key () const
	Return unique key used by observable to notify/listen.

Public Member Functions inherited from NavMsg
virtual std::string	to_string () const
	Return printable string for logging etc without trailing nl.

virtual std::string	to_vdr () const
	Return message in unquoted format used by VDR plugin, see https://opencpn-manuals.github.io/main/vdr/log_format.html.

std::string	GetKey () const
	Alias for key().

Public Member Functions inherited from KeyProvider
virtual	~KeyProvider ()=default
	Destroy the Key Provider object.

Additional Inherited Members
Public Types inherited from NavMsg
enum class	State { kOk , kCannotParse , kBadChecksum , kFiltered }

Static Public Member Functions inherited from NavMsg
static NavAddr::Bus	GetBusByKey (const std::string &key)
	Return bus corresponding to given key.

Public Attributes inherited from NavMsg
const NavAddr::Bus	bus

const State	state

std::shared_ptr< const NavAddr >	source
	Source address is set by drivers when receiving, unused and should be empty when sending.

const NavmsgTimePoint	created_at

Protected Member Functions inherited from NavMsg
	NavMsg (const NavAddr::Bus &_bus, std::shared_ptr< const NavAddr > src, State _state)

	NavMsg (const NavAddr::Bus &_bus, std::shared_ptr< const NavAddr > src)

Detailed Description

An invalid message, error return value.

Definition at line 417 of file comm_navmsg.h.

Constructor & Destructor Documentation

NullNavMsg::NullNavMsg ( )

inline

Definition at line 419 of file comm_navmsg.h.

std::string NullNavMsg::key ( ) const

inlinevirtual

Return unique key used by observable to notify/listen.

Implements NavMsg.

Definition at line 424 of file comm_navmsg.h.

The documentation for this class was generated from the following file: