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I_RpcServerInqRemoteConnAddress

関数
接続のリモート側アドレスを問い合わせる内部関数。
DLLRPCRT4.dll呼出規約winapi

シグネチャ

// RPCRT4.dll
#include <windows.h>

RPC_STATUS I_RpcServerInqRemoteConnAddress(
    void* Binding,
    void* Buffer,
    DWORD* BufferSize,
    DWORD* AddressFormat
);

パラメーター

名前型方向説明
Bindingvoid*inout問い合わせ対象のサーバー側バインディングハンドル。クライアント接続を表す。
Buffervoid*inoutリモート側(クライアント)の接続アドレスを受け取る出力バッファへのポインタ。
BufferSizeDWORD*inout入力時はバッファサイズ、出力時は実際に格納されたバイト数を返すDWORDへのポインタ。
AddressFormatDWORD*inout返されるアドレス形式(IPv4/IPv6など)を示す値を受け取るDWORDへのポインタ。

戻り値の型: RPC_STATUS

各言語での呼び出し定義

// RPCRT4.dll
#include <windows.h>

RPC_STATUS I_RpcServerInqRemoteConnAddress(
    void* Binding,
    void* Buffer,
    DWORD* BufferSize,
    DWORD* AddressFormat
);
[DllImport("RPCRT4.dll", ExactSpelling = true)]
static extern int I_RpcServerInqRemoteConnAddress(
    IntPtr Binding,   // void* in/out
    IntPtr Buffer,   // void* in/out
    ref uint BufferSize,   // DWORD* in/out
    ref uint AddressFormat   // DWORD* in/out
);
<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function I_RpcServerInqRemoteConnAddress(
    Binding As IntPtr,   ' void* in/out
    Buffer As IntPtr,   ' void* in/out
    ByRef BufferSize As UInteger,   ' DWORD* in/out
    ByRef AddressFormat As UInteger   ' DWORD* in/out
) As Integer
End Function
' Binding : void* in/out
' Buffer : void* in/out
' BufferSize : DWORD* in/out
' AddressFormat : DWORD* in/out
Declare PtrSafe Function I_RpcServerInqRemoteConnAddress Lib "rpcrt4" ( _
    ByVal Binding As LongPtr, _
    ByVal Buffer As LongPtr, _
    ByRef BufferSize As Long, _
    ByRef AddressFormat 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

I_RpcServerInqRemoteConnAddress = ctypes.windll.rpcrt4.I_RpcServerInqRemoteConnAddress
I_RpcServerInqRemoteConnAddress.restype = ctypes.c_int
I_RpcServerInqRemoteConnAddress.argtypes = [
    ctypes.POINTER(None),  # Binding : void* in/out
    ctypes.POINTER(None),  # Buffer : void* in/out
    ctypes.POINTER(wintypes.DWORD),  # BufferSize : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # AddressFormat : DWORD* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
I_RpcServerInqRemoteConnAddress = Fiddle::Function.new(
  lib['I_RpcServerInqRemoteConnAddress'],
  [
    Fiddle::TYPE_VOIDP,  # Binding : void* in/out
    Fiddle::TYPE_VOIDP,  # Buffer : void* in/out
    Fiddle::TYPE_VOIDP,  # BufferSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # AddressFormat : DWORD* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "rpcrt4")]
extern "system" {
    fn I_RpcServerInqRemoteConnAddress(
        Binding: *mut (),  // void* in/out
        Buffer: *mut (),  // void* in/out
        BufferSize: *mut u32,  // DWORD* in/out
        AddressFormat: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int I_RpcServerInqRemoteConnAddress(IntPtr Binding, IntPtr Buffer, ref uint BufferSize, ref uint AddressFormat);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_I_RpcServerInqRemoteConnAddress' -Namespace Win32 -PassThru
# $api::I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat)
#uselib "RPCRT4.dll"
#func global I_RpcServerInqRemoteConnAddress "I_RpcServerInqRemoteConnAddress" sptr, sptr, sptr, sptr
; I_RpcServerInqRemoteConnAddress Binding, Buffer, varptr(BufferSize), varptr(AddressFormat)   ; 戻り値は stat
; Binding : void* in/out -> "sptr"
; Buffer : void* in/out -> "sptr"
; BufferSize : DWORD* in/out -> "sptr"
; AddressFormat : 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 "RPCRT4.dll"
#cfunc global I_RpcServerInqRemoteConnAddress "I_RpcServerInqRemoteConnAddress" sptr, sptr, var, var
; res = I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat)
; Binding : void* in/out -> "sptr"
; Buffer : void* in/out -> "sptr"
; BufferSize : DWORD* in/out -> "var"
; AddressFormat : 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。
出力引数: 
; RPC_STATUS I_RpcServerInqRemoteConnAddress(void* Binding, void* Buffer, DWORD* BufferSize, DWORD* AddressFormat)
#uselib "RPCRT4.dll"
#cfunc global I_RpcServerInqRemoteConnAddress "I_RpcServerInqRemoteConnAddress" intptr, intptr, var, var
; res = I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat)
; Binding : void* in/out -> "intptr"
; Buffer : void* in/out -> "intptr"
; BufferSize : DWORD* in/out -> "var"
; AddressFormat : 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procI_RpcServerInqRemoteConnAddress = rpcrt4.NewProc("I_RpcServerInqRemoteConnAddress")
)

// Binding (void* in/out), Buffer (void* in/out), BufferSize (DWORD* in/out), AddressFormat (DWORD* in/out)
r1, _, err := procI_RpcServerInqRemoteConnAddress.Call(
	uintptr(Binding),
	uintptr(Buffer),
	uintptr(BufferSize),
	uintptr(AddressFormat),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS
function I_RpcServerInqRemoteConnAddress(
  Binding: Pointer;   // void* in/out
  Buffer: Pointer;   // void* in/out
  BufferSize: Pointer;   // DWORD* in/out
  AddressFormat: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'I_RpcServerInqRemoteConnAddress';
result := DllCall("RPCRT4\I_RpcServerInqRemoteConnAddress"
    , "Ptr", Binding   ; void* in/out
    , "Ptr", Buffer   ; void* in/out
    , "Ptr", BufferSize   ; DWORD* in/out
    , "Ptr", AddressFormat   ; DWORD* in/out
    , "Int")   ; return: RPC_STATUS
●I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat) = DLL("RPCRT4.dll", "int I_RpcServerInqRemoteConnAddress(void*, void*, void*, void*)")
# 呼び出し: I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat)
# Binding : void* in/out -> "void*"
# Buffer : void* in/out -> "void*"
# BufferSize : DWORD* in/out -> "void*"
# AddressFormat : 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)。
const std = @import("std");

extern "rpcrt4" fn I_RpcServerInqRemoteConnAddress(
    Binding: ?*anyopaque, // void* in/out
    Buffer: ?*anyopaque, // void* in/out
    BufferSize: [*c]u32, // DWORD* in/out
    AddressFormat: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;
proc I_RpcServerInqRemoteConnAddress(
    Binding: pointer,  # void* in/out
    Buffer: pointer,  # void* in/out
    BufferSize: ptr uint32,  # DWORD* in/out
    AddressFormat: ptr uint32  # DWORD* in/out
): int32 {.importc: "I_RpcServerInqRemoteConnAddress", stdcall, dynlib: "RPCRT4.dll".}
pragma(lib, "rpcrt4");
extern(Windows)
int I_RpcServerInqRemoteConnAddress(
    void* Binding,   // void* in/out
    void* Buffer,   // void* in/out
    uint* BufferSize,   // DWORD* in/out
    uint* AddressFormat   // DWORD* in/out
);
ccall((:I_RpcServerInqRemoteConnAddress, "RPCRT4.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{UInt32}, Ptr{UInt32}),
      Binding, Buffer, BufferSize, AddressFormat)
# Binding : void* in/out -> Ptr{Cvoid}
# Buffer : void* in/out -> Ptr{Cvoid}
# BufferSize : DWORD* in/out -> Ptr{UInt32}
# AddressFormat : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t I_RpcServerInqRemoteConnAddress(
    void* Binding,
    void* Buffer,
    uint32_t* BufferSize,
    uint32_t* AddressFormat);
]]
local rpcrt4 = ffi.load("rpcrt4")
-- rpcrt4.I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat)
-- Binding : void* in/out
-- Buffer : void* in/out
-- BufferSize : DWORD* in/out
-- AddressFormat : DWORD* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('RPCRT4.dll');
const I_RpcServerInqRemoteConnAddress = lib.func('__stdcall', 'I_RpcServerInqRemoteConnAddress', 'int32_t', ['void *', 'void *', 'uint32_t *', 'uint32_t *']);
// I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat)
// Binding : void* in/out -> 'void *'
// Buffer : void* in/out -> 'void *'
// BufferSize : DWORD* in/out -> 'uint32_t *'
// AddressFormat : DWORD* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("RPCRT4.dll", {
  I_RpcServerInqRemoteConnAddress: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat)
// Binding : void* in/out -> "pointer"
// Buffer : void* in/out -> "pointer"
// BufferSize : DWORD* in/out -> "pointer"
// AddressFormat : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t I_RpcServerInqRemoteConnAddress(
    void* Binding,
    void* Buffer,
    uint32_t* BufferSize,
    uint32_t* AddressFormat);
C, "RPCRT4.dll");
// $ffi->I_RpcServerInqRemoteConnAddress(Binding, Buffer, BufferSize, AddressFormat);
// Binding : void* in/out
// Buffer : void* in/out
// BufferSize : DWORD* in/out
// AddressFormat : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Rpcrt4 extends StdCallLibrary {
    Rpcrt4 INSTANCE = Native.load("rpcrt4", Rpcrt4.class);
    int I_RpcServerInqRemoteConnAddress(
        Pointer Binding,   // void* in/out
        Pointer Buffer,   // void* in/out
        IntByReference BufferSize,   // DWORD* in/out
        IntByReference AddressFormat   // DWORD* in/out
    );
}
@[Link("rpcrt4")]
lib LibRPCRT4
  fun I_RpcServerInqRemoteConnAddress = I_RpcServerInqRemoteConnAddress(
    Binding : Void*,   # void* in/out
    Buffer : Void*,   # void* in/out
    BufferSize : UInt32*,   # DWORD* in/out
    AddressFormat : UInt32*   # DWORD* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef I_RpcServerInqRemoteConnAddressNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>);
typedef I_RpcServerInqRemoteConnAddressDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>);
final I_RpcServerInqRemoteConnAddress = DynamicLibrary.open('RPCRT4.dll')
    .lookupFunction<I_RpcServerInqRemoteConnAddressNative, I_RpcServerInqRemoteConnAddressDart>('I_RpcServerInqRemoteConnAddress');
// Binding : void* in/out -> Pointer<Void>
// Buffer : void* in/out -> Pointer<Void>
// BufferSize : DWORD* in/out -> Pointer<Uint32>
// AddressFormat : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function I_RpcServerInqRemoteConnAddress(
  Binding: Pointer;   // void* in/out
  Buffer: Pointer;   // void* in/out
  BufferSize: Pointer;   // DWORD* in/out
  AddressFormat: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'I_RpcServerInqRemoteConnAddress';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "I_RpcServerInqRemoteConnAddress"
  c_I_RpcServerInqRemoteConnAddress :: Ptr () -> Ptr () -> Ptr Word32 -> Ptr Word32 -> IO Int32
-- Binding : void* in/out -> Ptr ()
-- Buffer : void* in/out -> Ptr ()
-- BufferSize : DWORD* in/out -> Ptr Word32
-- AddressFormat : DWORD* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let i_rpcserverinqremoteconnaddress =
  foreign "I_RpcServerInqRemoteConnAddress"
    ((ptr void) @-> (ptr void) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning int32_t)
(* Binding : void* in/out -> (ptr void) *)
(* Buffer : void* in/out -> (ptr void) *)
(* BufferSize : DWORD* in/out -> (ptr uint32_t) *)
(* AddressFormat : DWORD* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library rpcrt4 (t "RPCRT4.dll"))
(cffi:use-foreign-library rpcrt4)

(cffi:defcfun ("I_RpcServerInqRemoteConnAddress" i-rpc-server-inq-remote-conn-address :convention :stdcall) :int32
  (binding :pointer)   ; void* in/out
  (buffer :pointer)   ; void* in/out
  (buffer-size :pointer)   ; DWORD* in/out
  (address-format :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $I_RpcServerInqRemoteConnAddress = Win32::API::More->new('RPCRT4',
    'int I_RpcServerInqRemoteConnAddress(LPVOID Binding, LPVOID Buffer, LPVOID BufferSize, LPVOID AddressFormat)');
# my $ret = $I_RpcServerInqRemoteConnAddress->Call($Binding, $Buffer, $BufferSize, $AddressFormat);
# Binding : void* in/out -> LPVOID
# Buffer : void* in/out -> LPVOID
# BufferSize : DWORD* in/out -> LPVOID
# AddressFormat : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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