Win32 API 日本語リファレンス
ホーム › NetworkManagement.Dhcp › DHCP_CLIENT_INFO_V6

DHCP_CLIENT_INFO_V6

構造体
📘 Microsoft Learn (日本語) · English
サイズx64: 104 バイト / x86: 80 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
ClientIpAddressDHCP_IPV6_ADDRESS16+0+0クライアントに割り当てたIPv6アドレスを保持する。
ClientDUIDDHCP_BINARY_DATA16/8+16+16クライアントのDUID(一意識別子)を保持するバイナリデータ。
AddressTypeDWORD4+32+24割り当てアドレスの種別(IA_NA/IA_TA等)を示す。
IAIDDWORD4+36+28アドレスに対応するIA識別子(Identity Association ID)を示す。
ClientNameLPWSTR8/4+40+32クライアントのホスト名を示すワイド文字列。NULL可。
ClientCommentLPWSTR8/4+48+36クライアントの説明コメントを示すワイド文字列。NULL可。
ClientValidLeaseExpiresDATE_TIME8+56+40アドレスの絶対有効期限が切れる日時を示す。
ClientPrefLeaseExpiresDATE_TIME8+64+48アドレスの優先有効期限が切れる日時を示す。
OwnerHostDHCP_HOST_INFO_V632/24+72+56このリースを管理するDHCPv6サーバーの情報を保持する。

各言語での定義

#include <windows.h>

// DHCP_IPV6_ADDRESS  (x64 16 / x86 16 バイト)
typedef struct DHCP_IPV6_ADDRESS {
    ULONGLONG HighOrderBits;
    ULONGLONG LowOrderBits;
} DHCP_IPV6_ADDRESS;

// DHCP_BINARY_DATA  (x64 16 / x86 8 バイト)
typedef struct DHCP_BINARY_DATA {
    DWORD DataLength;
    BYTE* Data;
} DHCP_BINARY_DATA;

// DATE_TIME  (x64 8 / x86 8 バイト)
typedef struct DATE_TIME {
    DWORD dwLowDateTime;
    DWORD dwHighDateTime;
} DATE_TIME;

// DHCP_HOST_INFO_V6  (x64 32 / x86 24 バイト)
typedef struct DHCP_HOST_INFO_V6 {
    DHCP_IPV6_ADDRESS IpAddress;
    LPWSTR NetBiosName;
    LPWSTR HostName;
} DHCP_HOST_INFO_V6;

// DHCP_CLIENT_INFO_V6  (x64 104 / x86 80 バイト)
typedef struct DHCP_CLIENT_INFO_V6 {
    DHCP_IPV6_ADDRESS ClientIpAddress;
    DHCP_BINARY_DATA ClientDUID;
    DWORD AddressType;
    DWORD IAID;
    LPWSTR ClientName;
    LPWSTR ClientComment;
    DATE_TIME ClientValidLeaseExpires;
    DATE_TIME ClientPrefLeaseExpires;
    DHCP_HOST_INFO_V6 OwnerHost;
} DHCP_CLIENT_INFO_V6;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DHCP_IPV6_ADDRESS
{
    public ulong HighOrderBits;
    public ulong LowOrderBits;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DHCP_BINARY_DATA
{
    public uint DataLength;
    public IntPtr Data;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DATE_TIME
{
    public uint dwLowDateTime;
    public uint dwHighDateTime;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DHCP_HOST_INFO_V6
{
    public DHCP_IPV6_ADDRESS IpAddress;
    public IntPtr NetBiosName;
    public IntPtr HostName;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DHCP_CLIENT_INFO_V6
{
    public DHCP_IPV6_ADDRESS ClientIpAddress;
    public DHCP_BINARY_DATA ClientDUID;
    public uint AddressType;
    public uint IAID;
    public IntPtr ClientName;
    public IntPtr ClientComment;
    public DATE_TIME ClientValidLeaseExpires;
    public DATE_TIME ClientPrefLeaseExpires;
    public DHCP_HOST_INFO_V6 OwnerHost;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DHCP_IPV6_ADDRESS
    Public HighOrderBits As ULong
    Public LowOrderBits As ULong
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DHCP_BINARY_DATA
    Public DataLength As UInteger
    Public Data As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DATE_TIME
    Public dwLowDateTime As UInteger
    Public dwHighDateTime As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DHCP_HOST_INFO_V6
    Public IpAddress As DHCP_IPV6_ADDRESS
    Public NetBiosName As IntPtr
    Public HostName As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DHCP_CLIENT_INFO_V6
    Public ClientIpAddress As DHCP_IPV6_ADDRESS
    Public ClientDUID As DHCP_BINARY_DATA
    Public AddressType As UInteger
    Public IAID As UInteger
    Public ClientName As IntPtr
    Public ClientComment As IntPtr
    Public ClientValidLeaseExpires As DATE_TIME
    Public ClientPrefLeaseExpires As DATE_TIME
    Public OwnerHost As DHCP_HOST_INFO_V6
End Structure
import ctypes
from ctypes import wintypes

class DHCP_IPV6_ADDRESS(ctypes.Structure):
    _fields_ = [
        ("HighOrderBits", ctypes.c_ulonglong),
        ("LowOrderBits", ctypes.c_ulonglong),
    ]

class DHCP_BINARY_DATA(ctypes.Structure):
    _fields_ = [
        ("DataLength", wintypes.DWORD),
        ("Data", ctypes.c_void_p),
    ]

class DATE_TIME(ctypes.Structure):
    _fields_ = [
        ("dwLowDateTime", wintypes.DWORD),
        ("dwHighDateTime", wintypes.DWORD),
    ]

class DHCP_HOST_INFO_V6(ctypes.Structure):
    _fields_ = [
        ("IpAddress", DHCP_IPV6_ADDRESS),
        ("NetBiosName", ctypes.c_void_p),
        ("HostName", ctypes.c_void_p),
    ]

class DHCP_CLIENT_INFO_V6(ctypes.Structure):
    _fields_ = [
        ("ClientIpAddress", DHCP_IPV6_ADDRESS),
        ("ClientDUID", DHCP_BINARY_DATA),
        ("AddressType", wintypes.DWORD),
        ("IAID", wintypes.DWORD),
        ("ClientName", ctypes.c_void_p),
        ("ClientComment", ctypes.c_void_p),
        ("ClientValidLeaseExpires", DATE_TIME),
        ("ClientPrefLeaseExpires", DATE_TIME),
        ("OwnerHost", DHCP_HOST_INFO_V6),
    ]
#[repr(C)]
pub struct DHCP_IPV6_ADDRESS {
    pub HighOrderBits: u64,
    pub LowOrderBits: u64,
}

#[repr(C)]
pub struct DHCP_BINARY_DATA {
    pub DataLength: u32,
    pub Data: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct DATE_TIME {
    pub dwLowDateTime: u32,
    pub dwHighDateTime: u32,
}

#[repr(C)]
pub struct DHCP_HOST_INFO_V6 {
    pub IpAddress: DHCP_IPV6_ADDRESS,
    pub NetBiosName: *mut core::ffi::c_void,
    pub HostName: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct DHCP_CLIENT_INFO_V6 {
    pub ClientIpAddress: DHCP_IPV6_ADDRESS,
    pub ClientDUID: DHCP_BINARY_DATA,
    pub AddressType: u32,
    pub IAID: u32,
    pub ClientName: *mut core::ffi::c_void,
    pub ClientComment: *mut core::ffi::c_void,
    pub ClientValidLeaseExpires: DATE_TIME,
    pub ClientPrefLeaseExpires: DATE_TIME,
    pub OwnerHost: DHCP_HOST_INFO_V6,
}
import "golang.org/x/sys/windows"

type DHCP_IPV6_ADDRESS struct {
	HighOrderBits uint64
	LowOrderBits uint64
}

type DHCP_BINARY_DATA struct {
	DataLength uint32
	Data uintptr
}

type DATE_TIME struct {
	dwLowDateTime uint32
	dwHighDateTime uint32
}

type DHCP_HOST_INFO_V6 struct {
	IpAddress DHCP_IPV6_ADDRESS
	NetBiosName uintptr
	HostName uintptr
}

type DHCP_CLIENT_INFO_V6 struct {
	ClientIpAddress DHCP_IPV6_ADDRESS
	ClientDUID DHCP_BINARY_DATA
	AddressType uint32
	IAID uint32
	ClientName uintptr
	ClientComment uintptr
	ClientValidLeaseExpires DATE_TIME
	ClientPrefLeaseExpires DATE_TIME
	OwnerHost DHCP_HOST_INFO_V6
}
type
  DHCP_IPV6_ADDRESS = record
    HighOrderBits: UInt64;
    LowOrderBits: UInt64;
  end;

  DHCP_BINARY_DATA = record
    DataLength: DWORD;
    Data: Pointer;
  end;

  DATE_TIME = record
    dwLowDateTime: DWORD;
    dwHighDateTime: DWORD;
  end;

  DHCP_HOST_INFO_V6 = record
    IpAddress: DHCP_IPV6_ADDRESS;
    NetBiosName: Pointer;
    HostName: Pointer;
  end;

  DHCP_CLIENT_INFO_V6 = record
    ClientIpAddress: DHCP_IPV6_ADDRESS;
    ClientDUID: DHCP_BINARY_DATA;
    AddressType: DWORD;
    IAID: DWORD;
    ClientName: Pointer;
    ClientComment: Pointer;
    ClientValidLeaseExpires: DATE_TIME;
    ClientPrefLeaseExpires: DATE_TIME;
    OwnerHost: DHCP_HOST_INFO_V6;
  end;
const DHCP_IPV6_ADDRESS = extern struct {
    HighOrderBits: u64,
    LowOrderBits: u64,
};

const DHCP_BINARY_DATA = extern struct {
    DataLength: u32,
    Data: ?*anyopaque,
};

const DATE_TIME = extern struct {
    dwLowDateTime: u32,
    dwHighDateTime: u32,
};

const DHCP_HOST_INFO_V6 = extern struct {
    IpAddress: DHCP_IPV6_ADDRESS,
    NetBiosName: ?*anyopaque,
    HostName: ?*anyopaque,
};

const DHCP_CLIENT_INFO_V6 = extern struct {
    ClientIpAddress: DHCP_IPV6_ADDRESS,
    ClientDUID: DHCP_BINARY_DATA,
    AddressType: u32,
    IAID: u32,
    ClientName: ?*anyopaque,
    ClientComment: ?*anyopaque,
    ClientValidLeaseExpires: DATE_TIME,
    ClientPrefLeaseExpires: DATE_TIME,
    OwnerHost: DHCP_HOST_INFO_V6,
};
type
  DHCP_IPV6_ADDRESS {.bycopy.} = object
    HighOrderBits: uint64
    LowOrderBits: uint64

  DHCP_BINARY_DATA {.bycopy.} = object
    DataLength: uint32
    Data: pointer

  DATE_TIME {.bycopy.} = object
    dwLowDateTime: uint32
    dwHighDateTime: uint32

  DHCP_HOST_INFO_V6 {.bycopy.} = object
    IpAddress: DHCP_IPV6_ADDRESS
    NetBiosName: pointer
    HostName: pointer

  DHCP_CLIENT_INFO_V6 {.bycopy.} = object
    ClientIpAddress: DHCP_IPV6_ADDRESS
    ClientDUID: DHCP_BINARY_DATA
    AddressType: uint32
    IAID: uint32
    ClientName: pointer
    ClientComment: pointer
    ClientValidLeaseExpires: DATE_TIME
    ClientPrefLeaseExpires: DATE_TIME
    OwnerHost: DHCP_HOST_INFO_V6
struct DHCP_IPV6_ADDRESS
{
    ulong HighOrderBits;
    ulong LowOrderBits;
}

struct DHCP_BINARY_DATA
{
    uint DataLength;
    void* Data;
}

struct DATE_TIME
{
    uint dwLowDateTime;
    uint dwHighDateTime;
}

struct DHCP_HOST_INFO_V6
{
    DHCP_IPV6_ADDRESS IpAddress;
    void* NetBiosName;
    void* HostName;
}

struct DHCP_CLIENT_INFO_V6
{
    DHCP_IPV6_ADDRESS ClientIpAddress;
    DHCP_BINARY_DATA ClientDUID;
    uint AddressType;
    uint IAID;
    void* ClientName;
    void* ClientComment;
    DATE_TIME ClientValidLeaseExpires;
    DATE_TIME ClientPrefLeaseExpires;
    DHCP_HOST_INFO_V6 OwnerHost;
}

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)
; DHCP_CLIENT_INFO_V6 サイズ: 80 バイト(x86)
dim st, 20    ; 4byte整数×20(構造体サイズ 80 / 4 切り上げ)
; ClientIpAddress : DHCP_IPV6_ADDRESS (+0, 16byte)  varptr(st)+0 を基点に操作(16byte:入れ子/配列)
; ClientDUID : DHCP_BINARY_DATA (+16, 8byte)  varptr(st)+16 を基点に操作(8byte:入れ子/配列)
; AddressType : DWORD (+24, 4byte)  st.6 = 値  /  値 = st.6   (lpoke/lpeek も可)
; IAID : DWORD (+28, 4byte)  st.7 = 値  /  値 = st.7   (lpoke/lpeek も可)
; ClientName : LPWSTR (+32, 4byte)  st.8 = 値  /  値 = st.8   (lpoke/lpeek も可)
; ClientComment : LPWSTR (+36, 4byte)  st.9 = 値  /  値 = st.9   (lpoke/lpeek も可)
; ClientValidLeaseExpires : DATE_TIME (+40, 8byte)  varptr(st)+40 を基点に操作(8byte:入れ子/配列)
; ClientPrefLeaseExpires : DATE_TIME (+48, 8byte)  varptr(st)+48 を基点に操作(8byte:入れ子/配列)
; OwnerHost : DHCP_HOST_INFO_V6 (+56, 24byte)  varptr(st)+56 を基点に操作(24byte: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)
; DHCP_CLIENT_INFO_V6 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)
; ClientIpAddress : DHCP_IPV6_ADDRESS (+0, 16byte)  varptr(st)+0 を基点に操作(16byte:入れ子/配列)
; ClientDUID : DHCP_BINARY_DATA (+16, 16byte)  varptr(st)+16 を基点に操作(16byte:入れ子/配列)
; AddressType : DWORD (+32, 4byte)  st.8 = 値  /  値 = st.8   (lpoke/lpeek も可)
; IAID : DWORD (+36, 4byte)  st.9 = 値  /  値 = st.9   (lpoke/lpeek も可)
; ClientName : LPWSTR (+40, 8byte)  qpoke st,40,値 / qpeek(st,40)  ※IronHSPのみ。3.7/3.8は lpoke st,40,下位 : lpoke st,44,上位
; ClientComment : LPWSTR (+48, 8byte)  qpoke st,48,値 / qpeek(st,48)  ※IronHSPのみ。3.7/3.8は lpoke st,48,下位 : lpoke st,52,上位
; ClientValidLeaseExpires : DATE_TIME (+56, 8byte)  varptr(st)+56 を基点に操作(8byte:入れ子/配列)
; ClientPrefLeaseExpires : DATE_TIME (+64, 8byte)  varptr(st)+64 を基点に操作(8byte:入れ子/配列)
; OwnerHost : DHCP_HOST_INFO_V6 (+72, 32byte)  varptr(st)+72 を基点に操作(32byte: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。
; ※GUID・入れ子構造体はデフォルト型でないため、依存する #defstruct を先に定義(下記に同梱)。
#defstruct global DHCP_IPV6_ADDRESS
    #field int64 HighOrderBits
    #field int64 LowOrderBits
#endstruct

#defstruct global DHCP_BINARY_DATA
    #field int DataLength
    #field intptr Data
#endstruct

#defstruct global DATE_TIME
    #field int dwLowDateTime
    #field int dwHighDateTime
#endstruct

#defstruct global DHCP_HOST_INFO_V6
    #field DHCP_IPV6_ADDRESS IpAddress
    #field intptr NetBiosName
    #field intptr HostName
#endstruct

#defstruct global DHCP_CLIENT_INFO_V6
    #field DHCP_IPV6_ADDRESS ClientIpAddress
    #field DHCP_BINARY_DATA ClientDUID
    #field int AddressType
    #field int IAID
    #field intptr ClientName
    #field intptr ClientComment
    #field DATE_TIME ClientValidLeaseExpires
    #field DATE_TIME ClientPrefLeaseExpires
    #field DHCP_HOST_INFO_V6 OwnerHost
#endstruct

stdim st, DHCP_CLIENT_INFO_V6        ; NSTRUCT 変数を確保
st->AddressType = 100
mes "AddressType=" + st->AddressType