GrayLib::cNetHost4 Class Reference

#include <cNetHost.h>

Public Member Functions
	cNetHost4 () noexcept
	cNetHost4 (UINT uIP4) noexcept
	cNetHost4 (const in_addr &ip) noexcept
	cNetHost4 (const char *pszIP)
bool	isHostValid () const noexcept
bool	isHostLoopback () const noexcept
bool	isHostBroadcast () const noexcept
bool	isHostPrivate () const
bool	isHostLocalTo (const cNetHost4 &ip, UINT32 dwMask=0xFFFFFF00) const noexcept
bool	operator== (cNetHost4 ip) const noexcept
void	SetEmptyHostAddr () noexcept
	operator in_addr () const noexcept
BYTE	GetByte (int i=0) const
in_addr	get_HostIp4 () const noexcept
UINT32	get_HostIp4_H () const noexcept
void	put_HostIp4 (in_addr addr4) noexcept
void	put_HostIp4_H (UINT32 uIP4) noexcept
void	put_HostLoopback () noexcept
HASHCODE32_t	get_HashCode () const noexcept
cStringA	get_HostStr () const
HRESULT	put_HostStr (const char *pszIP)
	UNITTEST_FRIEND (cNetHost)

Static Public Member Functions
static StrLen_t GRAYCALL	GetIP4Format (const char *pszIP, bool bTerm=true)

Static Public Attributes
static const UINT32	k_LOOPBACK_N = 0x7F000001
	INADDR_LOOPBACK in network order bytes. INADDR_LOOPBACK. More...
static const UINT32	k_BROADCAST = 0xFFFFFFFF
	INADDR_BROADCAST. More...
static const in_addr	k_AddrNull
	invalid address. INADDR_ANY (NOT INADDR_NONE) More...
static const in_addr	k_AddrBroadcast
	Broadcast. INADDR_BROADCAST. More...

Protected Attributes
in_addr	m_ipa4
	(network order bytes) (4 bytes) More...

Detailed Description

AF_INET The machine/host IPv4 32 bit address. (network order bytes) Not the port and does NOT handle IPv6 of course. ASSERT sizeof(cNetHost4) = 4 = sizeof(in_addr) = sizeof(IN_ADDR)

INADDR_ANY (u_long)0x00000000 INADDR_LOOPBACK 0x7f000001 = host order bytes INADDR_BROADCAST (u_long)0xffffffff INADDR_NONE 0xffffffff

Constructor & Destructor Documentation

cNetHost4() [1/4]

GrayLib::cNetHost4::cNetHost4 ( )

inlinenoexcept

cNetHost4() [2/4]

GrayLib::cNetHost4::cNetHost4 ( UINT  uIP4 )

inlineexplicitnoexcept

init via Host order 32 bit IP address.

cNetHost4() [3/4]

GrayLib::cNetHost4::cNetHost4 ( const in_addr &  ip )

inlinenoexcept

cNetHost4() [4/4]

GrayLib::cNetHost4::cNetHost4 ( const char *  pszIP )

inline

Set IP as "1.2.3.4" format. Any port info (or host name) is ignored/lost.

Member Function Documentation

get_HashCode()

HASHCODE32_t GrayLib::cNetHost4::get_HashCode ( ) const

inlinenoexcept

get a hash code for the IP address alone. not including port number. for sorting by the IP. ASSUME sort host order.

get_HostIp4()

in_addr GrayLib::cNetHost4::get_HostIp4 ( ) const

inlinenoexcept

just get the address as a 32 bit struct. Net Order

get_HostIp4_H()

UINT32 GrayLib::cNetHost4::get_HostIp4_H ( ) const

inlinenoexcept

just get the address as a 32 bit number. Host Order. Now i can compare against INADDR_LOOPBACK.

get_HostStr()

cStringA GrayLib::cNetHost4::get_HostStr

(

)

const

Return the numeric "1.1.1.1" string like deprecated "::inet_ntoa()"

Note

This can also be done with getnameinfo(NI_NUMERICHOST)

GetByte()

BYTE GrayLib::cNetHost4::GetByte ( int  i = 0 ) const

inline

get s_net,s_host,s_lh,s_impno,

GetIP4Format()

StrLen_t GRAYCALL GrayLib::cNetHost4::GetIP4Format ( const char *  pszIP, bool  bTerm = true  )

static

is pszIP in format of "1.1.1.1"?

• bTerm = true = must be '\0' terminated

  Returns

  length

isHostBroadcast()

bool GrayLib::cNetHost4::isHostBroadcast ( ) const

inlinenoexcept

broadcast on my LAN?

isHostLocalTo()

bool GrayLib::cNetHost4::isHostLocalTo ( const cNetHost4 &  ip, UINT32  dwMask = 0xFFFFFF00  ) const

inlinenoexcept

is this IP on the same local sub net ? dwMask = host order. Private address ranges are local by definition? cause we can either reach them or we can't? dwMask = 0xFFFFFF00 = 255.255.255.0 - host order.

isHostLoopback()

bool GrayLib::cNetHost4::isHostLoopback ( ) const

inlinenoexcept

my local loop back address?

isHostPrivate()

bool GrayLib::cNetHost4::isHostPrivate ( ) const

inline

private LAN address ranges. Not for the general Internet.

isHostValid()

bool GrayLib::cNetHost4::isHostValid ( ) const

inlinenoexcept

is NOT 0, but 0xffffffff=INADDR_NONE = broadcast is OK.

operator in_addr()

GrayLib::cNetHost4::operator in_addr ( ) const

inlinenoexcept

Get network order structure.

operator==()

bool GrayLib::cNetHost4::operator== ( cNetHost4  ip ) const

inlinenoexcept

put_HostIp4()

void GrayLib::cNetHost4::put_HostIp4 ( in_addr  addr4 )

inlinenoexcept

in_addr = network order.

put_HostIp4_H()

void GrayLib::cNetHost4::put_HostIp4_H ( UINT32  uIP4 )

inlinenoexcept

uIP4 = host order. m_ipa4 = network order.

put_HostLoopback()

void GrayLib::cNetHost4::put_HostLoopback ( )

inlinenoexcept

in_addr = network order.

put_HostStr()

HRESULT GrayLib::cNetHost4::put_HostStr

(

const char *

pszIP

)

Note

decode an ip4 address in "1.2.3.4" format. ASSUME no port. like deprecated "::inet_addr" https://msdn.microsoft.com/en-us/library/windows/desktop/ms738563%28v=vs.85%29.aspx

SetEmptyHostAddr()

void GrayLib::cNetHost4::SetEmptyHostAddr ( )

inlinenoexcept

DO NOT reflect up to set the m_sAddrName

UNITTEST_FRIEND()

GrayLib::cNetHost4::UNITTEST_FRIEND

(

cNetHost

)

Member Data Documentation

k_AddrBroadcast

const in_addr GrayLib::cNetHost4::k_AddrBroadcast

static

Broadcast. INADDR_BROADCAST.

k_AddrNull

const in_addr GrayLib::cNetHost4::k_AddrNull

static

invalid address. INADDR_ANY (NOT INADDR_NONE)

k_BROADCAST

const UINT32 GrayLib::cNetHost4::k_BROADCAST = 0xFFFFFFFF

static

INADDR_BROADCAST.

k_LOOPBACK_N

const UINT32 GrayLib::cNetHost4::k_LOOPBACK_N = 0x7F000001

static

INADDR_LOOPBACK in network order bytes. INADDR_LOOPBACK.

m_ipa4

in_addr GrayLib::cNetHost4::m_ipa4

protected

(network order bytes) (4 bytes)

---

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

• c:/Dennis/Source/Gray/GrayLib/include/Net/cNetHost.h
• c:/Dennis/Source/Gray/GrayLib/src/Net/cNetHost.cpp