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DHCP_CALLOUT_TABLE

構造体
サイズx64: 80 バイト / x86: 40 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

フィールドサイズx64x86説明
DhcpControlHookLPDHCP_CONTROL8/4+0+0サービス制御イベント発生時に呼ばれるコールアウト関数へのポインタ。
DhcpNewPktHookLPDHCP_NEWPKT8/4+8+4新規パケット受信時に呼ばれるコールアウト関数へのポインタ。
DhcpPktDropHookLPDHCP_DROP_SEND8/4+16+8パケット破棄時に呼ばれるコールアウト関数へのポインタ。
DhcpPktSendHookLPDHCP_DROP_SEND8/4+24+12パケット送信時に呼ばれるコールアウト関数へのポインタ。
DhcpAddressDelHookLPDHCP_PROB8/4+32+16アドレス削除(probe)時に呼ばれるコールアウト関数へのポインタ。
DhcpAddressOfferHookLPDHCP_GIVE_ADDRESS8/4+40+20アドレス提供時に呼ばれるコールアウト関数へのポインタ。
DhcpHandleOptionsHookLPDHCP_HANDLE_OPTIONS8/4+48+24オプション処理時に呼ばれるコールアウト関数へのポインタ。
DhcpDeleteClientHookLPDHCP_DELETE_CLIENT8/4+56+28クライアント削除時に呼ばれるコールアウト関数へのポインタ。
DhcpExtensionHookvoid*8/4+64+32拡張用に予約されたフックポインタ。通常NULL。
DhcpReservedHookvoid*8/4+72+36将来の予約用フックポインタ。通常NULL。

各言語での定義

#include <windows.h>

// DHCP_CALLOUT_TABLE  (x64 80 / x86 40 バイト)
typedef struct DHCP_CALLOUT_TABLE {
    LPDHCP_CONTROL DhcpControlHook;
    LPDHCP_NEWPKT DhcpNewPktHook;
    LPDHCP_DROP_SEND DhcpPktDropHook;
    LPDHCP_DROP_SEND DhcpPktSendHook;
    LPDHCP_PROB DhcpAddressDelHook;
    LPDHCP_GIVE_ADDRESS DhcpAddressOfferHook;
    LPDHCP_HANDLE_OPTIONS DhcpHandleOptionsHook;
    LPDHCP_DELETE_CLIENT DhcpDeleteClientHook;
    void* DhcpExtensionHook;
    void* DhcpReservedHook;
} DHCP_CALLOUT_TABLE;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DHCP_CALLOUT_TABLE
{
    public IntPtr DhcpControlHook;
    public IntPtr DhcpNewPktHook;
    public IntPtr DhcpPktDropHook;
    public IntPtr DhcpPktSendHook;
    public IntPtr DhcpAddressDelHook;
    public IntPtr DhcpAddressOfferHook;
    public IntPtr DhcpHandleOptionsHook;
    public IntPtr DhcpDeleteClientHook;
    public IntPtr DhcpExtensionHook;
    public IntPtr DhcpReservedHook;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DHCP_CALLOUT_TABLE
    Public DhcpControlHook As IntPtr
    Public DhcpNewPktHook As IntPtr
    Public DhcpPktDropHook As IntPtr
    Public DhcpPktSendHook As IntPtr
    Public DhcpAddressDelHook As IntPtr
    Public DhcpAddressOfferHook As IntPtr
    Public DhcpHandleOptionsHook As IntPtr
    Public DhcpDeleteClientHook As IntPtr
    Public DhcpExtensionHook As IntPtr
    Public DhcpReservedHook As IntPtr
End Structure
import ctypes
from ctypes import wintypes

class DHCP_CALLOUT_TABLE(ctypes.Structure):
    _fields_ = [
        ("DhcpControlHook", ctypes.c_void_p),
        ("DhcpNewPktHook", ctypes.c_void_p),
        ("DhcpPktDropHook", ctypes.c_void_p),
        ("DhcpPktSendHook", ctypes.c_void_p),
        ("DhcpAddressDelHook", ctypes.c_void_p),
        ("DhcpAddressOfferHook", ctypes.c_void_p),
        ("DhcpHandleOptionsHook", ctypes.c_void_p),
        ("DhcpDeleteClientHook", ctypes.c_void_p),
        ("DhcpExtensionHook", ctypes.c_void_p),
        ("DhcpReservedHook", ctypes.c_void_p),
    ]
#[repr(C)]
pub struct DHCP_CALLOUT_TABLE {
    pub DhcpControlHook: *mut core::ffi::c_void,
    pub DhcpNewPktHook: *mut core::ffi::c_void,
    pub DhcpPktDropHook: *mut core::ffi::c_void,
    pub DhcpPktSendHook: *mut core::ffi::c_void,
    pub DhcpAddressDelHook: *mut core::ffi::c_void,
    pub DhcpAddressOfferHook: *mut core::ffi::c_void,
    pub DhcpHandleOptionsHook: *mut core::ffi::c_void,
    pub DhcpDeleteClientHook: *mut core::ffi::c_void,
    pub DhcpExtensionHook: *mut core::ffi::c_void,
    pub DhcpReservedHook: *mut core::ffi::c_void,
}
import "golang.org/x/sys/windows"

type DHCP_CALLOUT_TABLE struct {
	DhcpControlHook uintptr
	DhcpNewPktHook uintptr
	DhcpPktDropHook uintptr
	DhcpPktSendHook uintptr
	DhcpAddressDelHook uintptr
	DhcpAddressOfferHook uintptr
	DhcpHandleOptionsHook uintptr
	DhcpDeleteClientHook uintptr
	DhcpExtensionHook uintptr
	DhcpReservedHook uintptr
}
type
  DHCP_CALLOUT_TABLE = record
    DhcpControlHook: Pointer;
    DhcpNewPktHook: Pointer;
    DhcpPktDropHook: Pointer;
    DhcpPktSendHook: Pointer;
    DhcpAddressDelHook: Pointer;
    DhcpAddressOfferHook: Pointer;
    DhcpHandleOptionsHook: Pointer;
    DhcpDeleteClientHook: Pointer;
    DhcpExtensionHook: Pointer;
    DhcpReservedHook: Pointer;
  end;
const DHCP_CALLOUT_TABLE = extern struct {
    DhcpControlHook: ?*anyopaque,
    DhcpNewPktHook: ?*anyopaque,
    DhcpPktDropHook: ?*anyopaque,
    DhcpPktSendHook: ?*anyopaque,
    DhcpAddressDelHook: ?*anyopaque,
    DhcpAddressOfferHook: ?*anyopaque,
    DhcpHandleOptionsHook: ?*anyopaque,
    DhcpDeleteClientHook: ?*anyopaque,
    DhcpExtensionHook: ?*anyopaque,
    DhcpReservedHook: ?*anyopaque,
};
type
  DHCP_CALLOUT_TABLE {.bycopy.} = object
    DhcpControlHook: pointer
    DhcpNewPktHook: pointer
    DhcpPktDropHook: pointer
    DhcpPktSendHook: pointer
    DhcpAddressDelHook: pointer
    DhcpAddressOfferHook: pointer
    DhcpHandleOptionsHook: pointer
    DhcpDeleteClientHook: pointer
    DhcpExtensionHook: pointer
    DhcpReservedHook: pointer
struct DHCP_CALLOUT_TABLE
{
    void* DhcpControlHook;
    void* DhcpNewPktHook;
    void* DhcpPktDropHook;
    void* DhcpPktSendHook;
    void* DhcpAddressDelHook;
    void* DhcpAddressOfferHook;
    void* DhcpHandleOptionsHook;
    void* DhcpDeleteClientHook;
    void* DhcpExtensionHook;
    void* DhcpReservedHook;
}

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_CALLOUT_TABLE サイズ: 40 バイト(x86)
dim st, 10    ; 4byte整数×10(構造体サイズ 40 / 4 切り上げ)
; DhcpControlHook : LPDHCP_CONTROL (+0, 4byte)  st.0 = 値  /  値 = st.0   (lpoke/lpeek も可)
; DhcpNewPktHook : LPDHCP_NEWPKT (+4, 4byte)  st.1 = 値  /  値 = st.1   (lpoke/lpeek も可)
; DhcpPktDropHook : LPDHCP_DROP_SEND (+8, 4byte)  st.2 = 値  /  値 = st.2   (lpoke/lpeek も可)
; DhcpPktSendHook : LPDHCP_DROP_SEND (+12, 4byte)  st.3 = 値  /  値 = st.3   (lpoke/lpeek も可)
; DhcpAddressDelHook : LPDHCP_PROB (+16, 4byte)  st.4 = 値  /  値 = st.4   (lpoke/lpeek も可)
; DhcpAddressOfferHook : LPDHCP_GIVE_ADDRESS (+20, 4byte)  st.5 = 値  /  値 = st.5   (lpoke/lpeek も可)
; DhcpHandleOptionsHook : LPDHCP_HANDLE_OPTIONS (+24, 4byte)  st.6 = 値  /  値 = st.6   (lpoke/lpeek も可)
; DhcpDeleteClientHook : LPDHCP_DELETE_CLIENT (+28, 4byte)  st.7 = 値  /  値 = st.7   (lpoke/lpeek も可)
; DhcpExtensionHook : void* (+32, 4byte)  st.8 = 値  /  値 = st.8   (lpoke/lpeek も可)
; DhcpReservedHook : void* (+36, 4byte)  st.9 = 値  /  値 = st.9   (lpoke/lpeek も可)
; ※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_CALLOUT_TABLE サイズ: 80 バイト(x64)
dim st, 20    ; 4byte整数×20(構造体サイズ 80 / 4 切り上げ)
; DhcpControlHook : LPDHCP_CONTROL (+0, 8byte)  qpoke st,0,値 / qpeek(st,0)  ※IronHSPのみ。3.7/3.8は lpoke st,0,下位 : lpoke st,4,上位
; DhcpNewPktHook : LPDHCP_NEWPKT (+8, 8byte)  qpoke st,8,値 / qpeek(st,8)  ※IronHSPのみ。3.7/3.8は lpoke st,8,下位 : lpoke st,12,上位
; DhcpPktDropHook : LPDHCP_DROP_SEND (+16, 8byte)  qpoke st,16,値 / qpeek(st,16)  ※IronHSPのみ。3.7/3.8は lpoke st,16,下位 : lpoke st,20,上位
; DhcpPktSendHook : LPDHCP_DROP_SEND (+24, 8byte)  qpoke st,24,値 / qpeek(st,24)  ※IronHSPのみ。3.7/3.8は lpoke st,24,下位 : lpoke st,28,上位
; DhcpAddressDelHook : LPDHCP_PROB (+32, 8byte)  qpoke st,32,値 / qpeek(st,32)  ※IronHSPのみ。3.7/3.8は lpoke st,32,下位 : lpoke st,36,上位
; DhcpAddressOfferHook : LPDHCP_GIVE_ADDRESS (+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
; DhcpHandleOptionsHook : LPDHCP_HANDLE_OPTIONS (+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
; DhcpDeleteClientHook : LPDHCP_DELETE_CLIENT (+56, 8byte)  qpoke st,56,値 / qpeek(st,56)  ※IronHSPのみ。3.7/3.8は lpoke st,56,下位 : lpoke st,60,上位
; DhcpExtensionHook : void* (+64, 8byte)  qpoke st,64,値 / qpeek(st,64)  ※IronHSPのみ。3.7/3.8は lpoke st,64,下位 : lpoke st,68,上位
; DhcpReservedHook : void* (+72, 8byte)  qpoke st,72,値 / qpeek(st,72)  ※IronHSPのみ。3.7/3.8は lpoke st,72,下位 : lpoke st,76,上位
; ※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 DHCP_CALLOUT_TABLE
    #field intptr DhcpControlHook
    #field intptr DhcpNewPktHook
    #field intptr DhcpPktDropHook
    #field intptr DhcpPktSendHook
    #field intptr DhcpAddressDelHook
    #field intptr DhcpAddressOfferHook
    #field intptr DhcpHandleOptionsHook
    #field intptr DhcpDeleteClientHook
    #field intptr DhcpExtensionHook
    #field intptr DhcpReservedHook
#endstruct

stdim st, DHCP_CALLOUT_TABLE        ; NSTRUCT 変数を確保