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MIB_IPNET_ROW2

構造体
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サイズx64: 104 バイト / x86: 88 バイト

サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。

フィールド

フィールド型サイズx64x86説明
AddressSOCKADDR_INET32/28+0+0近隣IPアドレスを保持するSOCKADDR_INET共用体である。
InterfaceIndexDWORD4+32+28近隣エントリが属するインタフェースのインデックスである。
InterfaceLuidNET_LUID_LH8+40+32近隣エントリが属するインタフェースのLUID(NET_LUID_LH)である。
PhysicalAddressBYTE32+48+40近隣の物理(MAC)アドレスを保持するバイト配列である。
PhysicalAddressLengthDWORD4+80+72PhysicalAddressの有効長(バイト数)である。
StateNL_NEIGHBOR_STATE4+84+76近隣エントリの状態(NL_NEIGHBOR_STATE、到達可能等)を示す。
Anonymous_Anonymous_e__Union8/4+88+80Flags(IsRouter/IsUnreachable)を保持する匿名共用体である。
ReachabilityTime_ReachabilityTime_e__Union4+96+84近隣の到達可能性に関する時刻情報を保持する匿名共用体である。

共用体: _Anonymous_e__Union x64 8B / x86 4B

フィールド型サイズx64x86説明
Anonymous_Anonymous_e__Struct8/4+0+0Flags(IsRouter/IsUnreachable)を保持する匿名共用体である。
FlagsBYTE1+0+0

共用体: _ReachabilityTime_e__Union x64 4B / x86 4B

フィールド型サイズx64x86
LastReachableDWORD4+0+0
LastUnreachableDWORD4+0+0

各言語での定義

#include <windows.h>

// IN_ADDR  (x64 8 / x86 4 バイト)
typedef struct IN_ADDR {
    _S_un_e__Union S_un;
} IN_ADDR;

// SOCKADDR_IN  (x64 24 / x86 16 バイト)
typedef struct SOCKADDR_IN {
    ADDRESS_FAMILY sin_family;
    WORD sin_port;
    IN_ADDR sin_addr;
    CHAR sin_zero[8];
} SOCKADDR_IN;

// IN6_ADDR  (x64 16 / x86 16 バイト)
typedef struct IN6_ADDR {
    _u_e__Union u;
} IN6_ADDR;

// SOCKADDR_IN6  (x64 32 / x86 28 バイト)
typedef struct SOCKADDR_IN6 {
    ADDRESS_FAMILY sin6_family;
    WORD sin6_port;
    DWORD sin6_flowinfo;
    IN6_ADDR sin6_addr;
    _Anonymous_e__Union Anonymous;
} SOCKADDR_IN6;

// SOCKADDR_INET  (x64 32 / x86 28 バイト)
typedef struct SOCKADDR_INET {
    SOCKADDR_IN Ipv4;
    SOCKADDR_IN6 Ipv6;
    ADDRESS_FAMILY si_family;
} SOCKADDR_INET;

// NET_LUID_LH  (x64 8 / x86 8 バイト)
typedef struct NET_LUID_LH {
    ULONGLONG Value;
    _Info_e__Struct Info;
} NET_LUID_LH;

// MIB_IPNET_ROW2  (x64 104 / x86 88 バイト)
typedef struct MIB_IPNET_ROW2 {
    SOCKADDR_INET Address;
    DWORD InterfaceIndex;
    NET_LUID_LH InterfaceLuid;
    BYTE PhysicalAddress[32];
    DWORD PhysicalAddressLength;
    NL_NEIGHBOR_STATE State;
    _Anonymous_e__Union Anonymous;
    _ReachabilityTime_e__Union ReachabilityTime;
} MIB_IPNET_ROW2;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IN_ADDR
{
    public _S_un_e__Union S_un;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SOCKADDR_IN
{
    public ushort sin_family;
    public ushort sin_port;
    public IN_ADDR sin_addr;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public sbyte[] sin_zero;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IN6_ADDR
{
    public _u_e__Union u;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SOCKADDR_IN6
{
    public ushort sin6_family;
    public ushort sin6_port;
    public uint sin6_flowinfo;
    public IN6_ADDR sin6_addr;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SOCKADDR_INET
{
    public SOCKADDR_IN Ipv4;
    public SOCKADDR_IN6 Ipv6;
    public ushort si_family;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct NET_LUID_LH
{
    public ulong Value;
    public _Info_e__Struct Info;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MIB_IPNET_ROW2
{
    public SOCKADDR_INET Address;
    public uint InterfaceIndex;
    public NET_LUID_LH InterfaceLuid;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)] public byte[] PhysicalAddress;
    public uint PhysicalAddressLength;
    public int State;
    public _Anonymous_e__Union Anonymous;
    public _ReachabilityTime_e__Union ReachabilityTime;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IN_ADDR
    Public S_un As _S_un_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SOCKADDR_IN
    Public sin_family As UShort
    Public sin_port As UShort
    Public sin_addr As IN_ADDR
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=8)> Public sin_zero() As SByte
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IN6_ADDR
    Public u As _u_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SOCKADDR_IN6
    Public sin6_family As UShort
    Public sin6_port As UShort
    Public sin6_flowinfo As UInteger
    Public sin6_addr As IN6_ADDR
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SOCKADDR_INET
    Public Ipv4 As SOCKADDR_IN
    Public Ipv6 As SOCKADDR_IN6
    Public si_family As UShort
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure NET_LUID_LH
    Public Value As ULong
    Public Info As _Info_e__Struct
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MIB_IPNET_ROW2
    Public Address As SOCKADDR_INET
    Public InterfaceIndex As UInteger
    Public InterfaceLuid As NET_LUID_LH
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=32)> Public PhysicalAddress() As Byte
    Public PhysicalAddressLength As UInteger
    Public State As Integer
    Public Anonymous As _Anonymous_e__Union
    Public ReachabilityTime As _ReachabilityTime_e__Union
End Structure
import ctypes
from ctypes import wintypes

class IN_ADDR(ctypes.Structure):
    _fields_ = [
        ("S_un", _S_un_e__Union),
    ]

class SOCKADDR_IN(ctypes.Structure):
    _fields_ = [
        ("sin_family", ctypes.c_ushort),
        ("sin_port", ctypes.c_ushort),
        ("sin_addr", IN_ADDR),
        ("sin_zero", ctypes.c_byte * 8),
    ]

class IN6_ADDR(ctypes.Structure):
    _fields_ = [
        ("u", _u_e__Union),
    ]

class SOCKADDR_IN6(ctypes.Structure):
    _fields_ = [
        ("sin6_family", ctypes.c_ushort),
        ("sin6_port", ctypes.c_ushort),
        ("sin6_flowinfo", wintypes.DWORD),
        ("sin6_addr", IN6_ADDR),
        ("Anonymous", _Anonymous_e__Union),
    ]

class SOCKADDR_INET(ctypes.Structure):
    _fields_ = [
        ("Ipv4", SOCKADDR_IN),
        ("Ipv6", SOCKADDR_IN6),
        ("si_family", ctypes.c_ushort),
    ]

class NET_LUID_LH(ctypes.Structure):
    _fields_ = [
        ("Value", ctypes.c_ulonglong),
        ("Info", _Info_e__Struct),
    ]

class MIB_IPNET_ROW2(ctypes.Structure):
    _fields_ = [
        ("Address", SOCKADDR_INET),
        ("InterfaceIndex", wintypes.DWORD),
        ("InterfaceLuid", NET_LUID_LH),
        ("PhysicalAddress", ctypes.c_ubyte * 32),
        ("PhysicalAddressLength", wintypes.DWORD),
        ("State", ctypes.c_int),
        ("Anonymous", _Anonymous_e__Union),
        ("ReachabilityTime", _ReachabilityTime_e__Union),
    ]
#[repr(C)]
pub struct IN_ADDR {
    pub S_un: _S_un_e__Union,
}

#[repr(C)]
pub struct SOCKADDR_IN {
    pub sin_family: u16,
    pub sin_port: u16,
    pub sin_addr: IN_ADDR,
    pub sin_zero: [i8; 8],
}

#[repr(C)]
pub struct IN6_ADDR {
    pub u: _u_e__Union,
}

#[repr(C)]
pub struct SOCKADDR_IN6 {
    pub sin6_family: u16,
    pub sin6_port: u16,
    pub sin6_flowinfo: u32,
    pub sin6_addr: IN6_ADDR,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct SOCKADDR_INET {
    pub Ipv4: SOCKADDR_IN,
    pub Ipv6: SOCKADDR_IN6,
    pub si_family: u16,
}

#[repr(C)]
pub struct NET_LUID_LH {
    pub Value: u64,
    pub Info: _Info_e__Struct,
}

#[repr(C)]
pub struct MIB_IPNET_ROW2 {
    pub Address: SOCKADDR_INET,
    pub InterfaceIndex: u32,
    pub InterfaceLuid: NET_LUID_LH,
    pub PhysicalAddress: [u8; 32],
    pub PhysicalAddressLength: u32,
    pub State: i32,
    pub Anonymous: _Anonymous_e__Union,
    pub ReachabilityTime: _ReachabilityTime_e__Union,
}
import "golang.org/x/sys/windows"

type IN_ADDR struct {
	S_un _S_un_e__Union
}

type SOCKADDR_IN struct {
	sin_family uint16
	sin_port uint16
	sin_addr IN_ADDR
	sin_zero [8]int8
}

type IN6_ADDR struct {
	u _u_e__Union
}

type SOCKADDR_IN6 struct {
	sin6_family uint16
	sin6_port uint16
	sin6_flowinfo uint32
	sin6_addr IN6_ADDR
	Anonymous _Anonymous_e__Union
}

type SOCKADDR_INET struct {
	Ipv4 SOCKADDR_IN
	Ipv6 SOCKADDR_IN6
	si_family uint16
}

type NET_LUID_LH struct {
	Value uint64
	Info _Info_e__Struct
}

type MIB_IPNET_ROW2 struct {
	Address SOCKADDR_INET
	InterfaceIndex uint32
	InterfaceLuid NET_LUID_LH
	PhysicalAddress [32]byte
	PhysicalAddressLength uint32
	State int32
	Anonymous _Anonymous_e__Union
	ReachabilityTime _ReachabilityTime_e__Union
}
type
  IN_ADDR = record
    S_un: _S_un_e__Union;
  end;

  SOCKADDR_IN = record
    sin_family: Word;
    sin_port: Word;
    sin_addr: IN_ADDR;
    sin_zero: array[0..7] of Shortint;
  end;

  IN6_ADDR = record
    u: _u_e__Union;
  end;

  SOCKADDR_IN6 = record
    sin6_family: Word;
    sin6_port: Word;
    sin6_flowinfo: DWORD;
    sin6_addr: IN6_ADDR;
    Anonymous: _Anonymous_e__Union;
  end;

  SOCKADDR_INET = record
    Ipv4: SOCKADDR_IN;
    Ipv6: SOCKADDR_IN6;
    si_family: Word;
  end;

  NET_LUID_LH = record
    Value: UInt64;
    Info: _Info_e__Struct;
  end;

  MIB_IPNET_ROW2 = record
    Address: SOCKADDR_INET;
    InterfaceIndex: DWORD;
    InterfaceLuid: NET_LUID_LH;
    PhysicalAddress: array[0..31] of Byte;
    PhysicalAddressLength: DWORD;
    State: Integer;
    Anonymous: _Anonymous_e__Union;
    ReachabilityTime: _ReachabilityTime_e__Union;
  end;
const IN_ADDR = extern struct {
    S_un: _S_un_e__Union,
};

const SOCKADDR_IN = extern struct {
    sin_family: u16,
    sin_port: u16,
    sin_addr: IN_ADDR,
    sin_zero: [8]i8,
};

const IN6_ADDR = extern struct {
    u: _u_e__Union,
};

const SOCKADDR_IN6 = extern struct {
    sin6_family: u16,
    sin6_port: u16,
    sin6_flowinfo: u32,
    sin6_addr: IN6_ADDR,
    Anonymous: _Anonymous_e__Union,
};

const SOCKADDR_INET = extern struct {
    Ipv4: SOCKADDR_IN,
    Ipv6: SOCKADDR_IN6,
    si_family: u16,
};

const NET_LUID_LH = extern struct {
    Value: u64,
    Info: _Info_e__Struct,
};

const MIB_IPNET_ROW2 = extern struct {
    Address: SOCKADDR_INET,
    InterfaceIndex: u32,
    InterfaceLuid: NET_LUID_LH,
    PhysicalAddress: [32]u8,
    PhysicalAddressLength: u32,
    State: i32,
    Anonymous: _Anonymous_e__Union,
    ReachabilityTime: _ReachabilityTime_e__Union,
};
type
  IN_ADDR {.bycopy.} = object
    S_un: _S_un_e__Union

  SOCKADDR_IN {.bycopy.} = object
    sin_family: uint16
    sin_port: uint16
    sin_addr: IN_ADDR
    sin_zero: array[8, int8]

  IN6_ADDR {.bycopy.} = object
    u: _u_e__Union

  SOCKADDR_IN6 {.bycopy.} = object
    sin6_family: uint16
    sin6_port: uint16
    sin6_flowinfo: uint32
    sin6_addr: IN6_ADDR
    Anonymous: _Anonymous_e__Union

  SOCKADDR_INET {.bycopy.} = object
    Ipv4: SOCKADDR_IN
    Ipv6: SOCKADDR_IN6
    si_family: uint16

  NET_LUID_LH {.bycopy.} = object
    Value: uint64
    Info: _Info_e__Struct

  MIB_IPNET_ROW2 {.bycopy.} = object
    Address: SOCKADDR_INET
    InterfaceIndex: uint32
    InterfaceLuid: NET_LUID_LH
    PhysicalAddress: array[32, uint8]
    PhysicalAddressLength: uint32
    State: int32
    Anonymous: _Anonymous_e__Union
    ReachabilityTime: _ReachabilityTime_e__Union
struct IN_ADDR
{
    _S_un_e__Union S_un;
}

struct SOCKADDR_IN
{
    ushort sin_family;
    ushort sin_port;
    IN_ADDR sin_addr;
    byte[8] sin_zero;
}

struct IN6_ADDR
{
    _u_e__Union u;
}

struct SOCKADDR_IN6
{
    ushort sin6_family;
    ushort sin6_port;
    uint sin6_flowinfo;
    IN6_ADDR sin6_addr;
    _Anonymous_e__Union Anonymous;
}

struct SOCKADDR_INET
{
    SOCKADDR_IN Ipv4;
    SOCKADDR_IN6 Ipv6;
    ushort si_family;
}

struct NET_LUID_LH
{
    ulong Value;
    _Info_e__Struct Info;
}

struct MIB_IPNET_ROW2
{
    SOCKADDR_INET Address;
    uint InterfaceIndex;
    NET_LUID_LH InterfaceLuid;
    ubyte[32] PhysicalAddress;
    uint PhysicalAddressLength;
    int State;
    _Anonymous_e__Union Anonymous;
    _ReachabilityTime_e__Union ReachabilityTime;
}

HSP用 定義

HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。

; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x86 レイアウト)
; MIB_IPNET_ROW2 サイズ: 88 バイト(x86)
dim st, 22    ; 4byte整数×22(構造体サイズ 88 / 4 切り上げ)
; Address : SOCKADDR_INET (+0, 28byte)  varptr(st)+0 を基点に操作(28byte:入れ子/配列)
; InterfaceIndex : DWORD (+28, 4byte)  st.7 = 値  /  値 = st.7   (lpoke/lpeek も可)
; InterfaceLuid : NET_LUID_LH (+32, 8byte)  varptr(st)+32 を基点に操作(8byte:入れ子/配列)
; PhysicalAddress : BYTE (+40, 32byte)  varptr(st)+40 を基点に操作(32byte:入れ子/配列)
; PhysicalAddressLength : DWORD (+72, 4byte)  st.18 = 値  /  値 = st.18   (lpoke/lpeek も可)
; State : NL_NEIGHBOR_STATE (+76, 4byte)  st.19 = 値  /  値 = st.19   (lpoke/lpeek も可)
; Anonymous : _Anonymous_e__Union (+80, 4byte)  varptr(st)+80 を基点に操作(4byte:入れ子/配列)
; ReachabilityTime : _ReachabilityTime_e__Union (+84, 4byte)  varptr(st)+84 を基点に操作(4byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; MIB_IPNET_ROW2 サイズ: 104 バイト(x64)
dim st, 26    ; 4byte整数×26(構造体サイズ 104 / 4 切り上げ)
; Address : SOCKADDR_INET (+0, 32byte)  varptr(st)+0 を基点に操作(32byte:入れ子/配列)
; InterfaceIndex : DWORD (+32, 4byte)  st.8 = 値  /  値 = st.8   (lpoke/lpeek も可)
; InterfaceLuid : NET_LUID_LH (+40, 8byte)  varptr(st)+40 を基点に操作(8byte:入れ子/配列)
; PhysicalAddress : BYTE (+48, 32byte)  varptr(st)+48 を基点に操作(32byte:入れ子/配列)
; PhysicalAddressLength : DWORD (+80, 4byte)  st.20 = 値  /  値 = st.20   (lpoke/lpeek も可)
; State : NL_NEIGHBOR_STATE (+84, 4byte)  st.21 = 値  /  値 = st.21   (lpoke/lpeek も可)
; Anonymous : _Anonymous_e__Union (+88, 8byte)  varptr(st)+88 を基点に操作(8byte:入れ子/配列)
; ReachabilityTime : _ReachabilityTime_e__Union (+96, 4byte)  varptr(st)+96 を基点に操作(4byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
#defstruct global MIB_IPNET_ROW2
    #field byte Address 32
    #field int InterfaceIndex
    #field byte InterfaceLuid 8
    #field byte PhysicalAddress 32
    #field int PhysicalAddressLength
    #field int State
    #field byte Anonymous 8
    #field byte ReachabilityTime 4
#endstruct

stdim st, MIB_IPNET_ROW2        ; NSTRUCT 変数を確保
st->InterfaceIndex = 100
mes "InterfaceIndex=" + st->InterfaceIndex
; ※union フィールドは byte 列で確保(NSTRUCT は union 非対応)。必要に応じ手動でアクセス。