ホーム › NetworkManagement.IpHelper › GetUniDirectionalAdapterInfo

GetUniDirectionalAdapterInfo

関数

単方向アダプターのアドレス情報を取得する。

DLLIPHLPAPI.dll呼出規約winapi

シグネチャ

// IPHLPAPI.dll
#include <windows.h>

DWORD GetUniDirectionalAdapterInfo(
    IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* pIPIfInfo,   // optional
    DWORD* dwOutBufLen
);

パラメーター

名前	型	方向
pIPIfInfo	IP_UNIDIRECTIONAL_ADAPTER_ADDRESS*	outoptional
dwOutBufLen	DWORD*	inout

戻り値の型: DWORD

各言語での呼び出し定義

// IPHLPAPI.dll
#include <windows.h>

DWORD GetUniDirectionalAdapterInfo(
    IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* pIPIfInfo,   // optional
    DWORD* dwOutBufLen
);

[DllImport("IPHLPAPI.dll", ExactSpelling = true)]
static extern uint GetUniDirectionalAdapterInfo(
    IntPtr pIPIfInfo,   // IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
    ref uint dwOutBufLen   // DWORD* in/out
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function GetUniDirectionalAdapterInfo(
    pIPIfInfo As IntPtr,   ' IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
    ByRef dwOutBufLen As UInteger   ' DWORD* in/out
) As UInteger
End Function

' pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
' dwOutBufLen : DWORD* in/out
Declare PtrSafe Function GetUniDirectionalAdapterInfo Lib "iphlpapi" ( _
    ByVal pIPIfInfo As LongPtr, _
    ByRef dwOutBufLen As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetUniDirectionalAdapterInfo = ctypes.windll.iphlpapi.GetUniDirectionalAdapterInfo
GetUniDirectionalAdapterInfo.restype = wintypes.DWORD
GetUniDirectionalAdapterInfo.argtypes = [
    ctypes.c_void_p,  # pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
    ctypes.POINTER(wintypes.DWORD),  # dwOutBufLen : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
GetUniDirectionalAdapterInfo = Fiddle::Function.new(
  lib['GetUniDirectionalAdapterInfo'],
  [
    Fiddle::TYPE_VOIDP,  # pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
    Fiddle::TYPE_VOIDP,  # dwOutBufLen : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn GetUniDirectionalAdapterInfo(
        pIPIfInfo: *mut IP_UNIDIRECTIONAL_ADAPTER_ADDRESS,  // IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
        dwOutBufLen: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint GetUniDirectionalAdapterInfo(IntPtr pIPIfInfo, ref uint dwOutBufLen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_GetUniDirectionalAdapterInfo' -Namespace Win32 -PassThru
# $api::GetUniDirectionalAdapterInfo(pIPIfInfo, dwOutBufLen)

#uselib "IPHLPAPI.dll"
#func global GetUniDirectionalAdapterInfo "GetUniDirectionalAdapterInfo" sptr, sptr
; GetUniDirectionalAdapterInfo varptr(pIPIfInfo), varptr(dwOutBufLen)   ; 戻り値は stat
; pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out -> "sptr"
; dwOutBufLen : DWORD* in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "IPHLPAPI.dll"
#cfunc global GetUniDirectionalAdapterInfo "GetUniDirectionalAdapterInfo" var, var
; res = GetUniDirectionalAdapterInfo(pIPIfInfo, dwOutBufLen)
; pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out -> "var"
; dwOutBufLen : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "IPHLPAPI.dll"
#cfunc global GetUniDirectionalAdapterInfo "GetUniDirectionalAdapterInfo" sptr, sptr
; res = GetUniDirectionalAdapterInfo(varptr(pIPIfInfo), varptr(dwOutBufLen))
; pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out -> "sptr"
; dwOutBufLen : DWORD* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD GetUniDirectionalAdapterInfo(IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* pIPIfInfo, DWORD* dwOutBufLen)
#uselib "IPHLPAPI.dll"
#cfunc global GetUniDirectionalAdapterInfo "GetUniDirectionalAdapterInfo" var, var
; res = GetUniDirectionalAdapterInfo(pIPIfInfo, dwOutBufLen)
; pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out -> "var"
; dwOutBufLen : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; DWORD GetUniDirectionalAdapterInfo(IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* pIPIfInfo, DWORD* dwOutBufLen)
#uselib "IPHLPAPI.dll"
#cfunc global GetUniDirectionalAdapterInfo "GetUniDirectionalAdapterInfo" intptr, intptr
; res = GetUniDirectionalAdapterInfo(varptr(pIPIfInfo), varptr(dwOutBufLen))
; pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out -> "intptr"
; dwOutBufLen : DWORD* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procGetUniDirectionalAdapterInfo = iphlpapi.NewProc("GetUniDirectionalAdapterInfo")
)

// pIPIfInfo (IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out), dwOutBufLen (DWORD* in/out)
r1, _, err := procGetUniDirectionalAdapterInfo.Call(
	uintptr(pIPIfInfo),
	uintptr(dwOutBufLen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetUniDirectionalAdapterInfo(
  pIPIfInfo: Pointer;   // IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
  dwOutBufLen: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetUniDirectionalAdapterInfo';

result := DllCall("IPHLPAPI\GetUniDirectionalAdapterInfo"
    , "Ptr", pIPIfInfo   ; IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out
    , "Ptr", dwOutBufLen   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●GetUniDirectionalAdapterInfo(pIPIfInfo, dwOutBufLen) = DLL("IPHLPAPI.dll", "dword GetUniDirectionalAdapterInfo(void*, void*)")
# 呼び出し: GetUniDirectionalAdapterInfo(pIPIfInfo, dwOutBufLen)
# pIPIfInfo : IP_UNIDIRECTIONAL_ADAPTER_ADDRESS* optional, out -> "void*"
# dwOutBufLen : DWORD* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。