Detailed Description

IPv4 subnet masks share functionality with a basic address, but are constructed differently to match common conventions.

Definition at line 66 of file ip_core.h.

#include <ip_core.h>

Inheritance diagram for satcat5::ip::Mask:

Collaboration diagram for satcat5::ip::Mask:

Public Member Functions
constexpr	Mask ()
	Constructor for the wildcard mask (match all addresses).

constexpr	Mask (unsigned npre)
	Constructor for the a CIDR prefix (e.g., /24).

constexpr	Mask (u8 a, u8 b, u8 c, u8 d)
	Constructor in subnet-mask form (a.b.c.d).

constexpr	Mask (const satcat5::ip::Addr &addr)
	Copy-constructor.

Mask &	operator= (const Mask &t)=default

unsigned	prefix () const
	Convert this subnet-mask to a CIDR prefix length. More...

void	log_to (satcat5::log::LogBuffer &wr) const
	Format this IP address in standard form, e.g., "192.168.1.2".

bool	is_broadcast () const
	Limited broadcast (255.255.255.255)

bool	is_multicast () const
	IP multicast (224...*)

bool	is_reserved () const
	Reserved blocks (0...* or 127...*)

bool	is_unicast () const
	Any normal single-destination address.

bool	is_valid () const
	Any nonzero address.


constexpr bool	operator== (const satcat5::ip::Addr &other) const
	Commonly used operators.

constexpr bool	operator!= (const satcat5::ip::Addr &other) const
	Commonly used operators.

void	write_to (satcat5::io::Writeable *wr) const
	Commonly used operators.

bool	read_from (satcat5::io::Readable *rd)
	Commonly used operators.

constexpr satcat5::ip::Addr	operator+ (unsigned offset) const
	Commonly used operators.

Public Attributes
u32	value
	Raw access to the underlying representation.

Member Function Documentation

unsigned satcat5::ip::Mask::prefix ( ) const

Convert this subnet-mask to a CIDR prefix length.

(Undefined if this mask is not a valid CIDR subnet.)

Definition at line 67 of file ip_core.cc.

The documentation for this struct was generated from the following files: