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DNS_SVCB_PARAM_ALPN
構造体サイズ=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 | x64 | x86 | 説明 |
|---|---|---|---|---|---|
| cIds | WORD | 2 | +0 | +0 | rgIds配列に格納されたALPN識別子の個数を示す。 |
| rgIds | DNS_SVCB_PARAM_ALPN_ID | 16/8 | +8 | +4 | サポートするALPNプロトコル識別子の配列。各要素はDNS_SVCB_PARAM_ALPN_ID。 |
各言語での定義
#include <windows.h>
// DNS_SVCB_PARAM_ALPN_ID (x64 16 / x86 8 バイト)
typedef struct DNS_SVCB_PARAM_ALPN_ID {
BYTE cBytes;
BYTE* pbId;
} DNS_SVCB_PARAM_ALPN_ID;
// DNS_SVCB_PARAM_ALPN (x64 24 / x86 12 バイト)
typedef struct DNS_SVCB_PARAM_ALPN {
WORD cIds;
DNS_SVCB_PARAM_ALPN_ID rgIds[1];
} DNS_SVCB_PARAM_ALPN;using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DNS_SVCB_PARAM_ALPN_ID
{
public byte cBytes;
public IntPtr pbId;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DNS_SVCB_PARAM_ALPN
{
public ushort cIds;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public DNS_SVCB_PARAM_ALPN_ID[] rgIds;
}Imports System.Runtime.InteropServices
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DNS_SVCB_PARAM_ALPN_ID
Public cBytes As Byte
Public pbId As IntPtr
End Structure
<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DNS_SVCB_PARAM_ALPN
Public cIds As UShort
<MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public rgIds() As DNS_SVCB_PARAM_ALPN_ID
End Structureimport ctypes
from ctypes import wintypes
class DNS_SVCB_PARAM_ALPN_ID(ctypes.Structure):
_fields_ = [
("cBytes", ctypes.c_ubyte),
("pbId", ctypes.c_void_p),
]
class DNS_SVCB_PARAM_ALPN(ctypes.Structure):
_fields_ = [
("cIds", ctypes.c_ushort),
("rgIds", DNS_SVCB_PARAM_ALPN_ID * 1),
]#[repr(C)]
pub struct DNS_SVCB_PARAM_ALPN_ID {
pub cBytes: u8,
pub pbId: *mut core::ffi::c_void,
}
#[repr(C)]
pub struct DNS_SVCB_PARAM_ALPN {
pub cIds: u16,
pub rgIds: [DNS_SVCB_PARAM_ALPN_ID; 1],
}import "golang.org/x/sys/windows"
type DNS_SVCB_PARAM_ALPN_ID struct {
cBytes byte
pbId uintptr
}
type DNS_SVCB_PARAM_ALPN struct {
cIds uint16
rgIds [1]DNS_SVCB_PARAM_ALPN_ID
}type
DNS_SVCB_PARAM_ALPN_ID = record
cBytes: Byte;
pbId: Pointer;
end;
DNS_SVCB_PARAM_ALPN = record
cIds: Word;
rgIds: array[0..0] of DNS_SVCB_PARAM_ALPN_ID;
end;const DNS_SVCB_PARAM_ALPN_ID = extern struct {
cBytes: u8,
pbId: ?*anyopaque,
};
const DNS_SVCB_PARAM_ALPN = extern struct {
cIds: u16,
rgIds: [1]DNS_SVCB_PARAM_ALPN_ID,
};type
DNS_SVCB_PARAM_ALPN_ID {.bycopy.} = object
cBytes: uint8
pbId: pointer
DNS_SVCB_PARAM_ALPN {.bycopy.} = object
cIds: uint16
rgIds: array[1, DNS_SVCB_PARAM_ALPN_ID]struct DNS_SVCB_PARAM_ALPN_ID
{
ubyte cBytes;
void* pbId;
}
struct DNS_SVCB_PARAM_ALPN
{
ushort cIds;
DNS_SVCB_PARAM_ALPN_ID[1] rgIds;
}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)
; DNS_SVCB_PARAM_ALPN サイズ: 12 バイト(x86)
dim st, 3 ; 4byte整数×3(構造体サイズ 12 / 4 切り上げ)
; cIds : WORD (+0, 2byte) wpoke st,0,値 / 値 = wpeek(st,0)
; rgIds : DNS_SVCB_PARAM_ALPN_ID (+4, 8byte) varptr(st)+4 を基点に操作(8byte: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)
; DNS_SVCB_PARAM_ALPN サイズ: 24 バイト(x64)
dim st, 6 ; 4byte整数×6(構造体サイズ 24 / 4 切り上げ)
; cIds : WORD (+0, 2byte) wpoke st,0,値 / 値 = wpeek(st,0)
; rgIds : DNS_SVCB_PARAM_ALPN_ID (+8, 16byte) varptr(st)+8 を基点に操作(16byte: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 DNS_SVCB_PARAM_ALPN_ID
#field byte cBytes
#field intptr pbId
#endstruct
#defstruct global DNS_SVCB_PARAM_ALPN
#field short cIds
#field DNS_SVCB_PARAM_ALPN_ID rgIds 1
#endstruct
stdim st, DNS_SVCB_PARAM_ALPN ; NSTRUCT 変数を確保
st->cIds = 100
mes "cIds=" + st->cIds