PeerDistClientGetInformationByHandle

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

DWORD PeerDistClientGetInformationByHandle(
    INT_PTR hPeerDist,
    INT_PTR hContentHandle,
    PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS PeerDistClientInfoClass,
    DWORD dwBufferSize,
    void* lpInformation
);

<DllImport("PeerDist.dll", ExactSpelling:=True)>
Public Shared Function PeerDistClientGetInformationByHandle(
    hPeerDist As IntPtr,   ' INT_PTR
    hContentHandle As IntPtr,   ' INT_PTR
    PeerDistClientInfoClass As Integer,   ' PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    dwBufferSize As UInteger,   ' DWORD
    lpInformation As IntPtr   ' void* out
) As UInteger
End Function

' hPeerDist : INT_PTR
' hContentHandle : INT_PTR
' PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
' dwBufferSize : DWORD
' lpInformation : void* out
Declare PtrSafe Function PeerDistClientGetInformationByHandle Lib "peerdist" ( _
    ByVal hPeerDist As LongPtr, _
    ByVal hContentHandle As LongPtr, _
    ByVal PeerDistClientInfoClass As Long, _
    ByVal dwBufferSize As Long, _
    ByVal lpInformation As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PeerDistClientGetInformationByHandle = ctypes.windll.peerdist.PeerDistClientGetInformationByHandle
PeerDistClientGetInformationByHandle.restype = wintypes.DWORD
PeerDistClientGetInformationByHandle.argtypes = [
    ctypes.c_ssize_t,  # hPeerDist : INT_PTR
    ctypes.c_ssize_t,  # hContentHandle : INT_PTR
    ctypes.c_int,  # PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    wintypes.DWORD,  # dwBufferSize : DWORD
    ctypes.POINTER(None),  # lpInformation : void* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PeerDist.dll')
PeerDistClientGetInformationByHandle = Fiddle::Function.new(
  lib['PeerDistClientGetInformationByHandle'],
  [
    Fiddle::TYPE_INTPTR_T,  # hPeerDist : INT_PTR
    Fiddle::TYPE_INTPTR_T,  # hContentHandle : INT_PTR
    Fiddle::TYPE_INT,  # PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    -Fiddle::TYPE_INT,  # dwBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpInformation : void* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "peerdist")]
extern "system" {
    fn PeerDistClientGetInformationByHandle(
        hPeerDist: isize,  // INT_PTR
        hContentHandle: isize,  // INT_PTR
        PeerDistClientInfoClass: i32,  // PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
        dwBufferSize: u32,  // DWORD
        lpInformation: *mut ()  // void* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PeerDist.dll")]
public static extern uint PeerDistClientGetInformationByHandle(IntPtr hPeerDist, IntPtr hContentHandle, int PeerDistClientInfoClass, uint dwBufferSize, IntPtr lpInformation);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PeerDist_PeerDistClientGetInformationByHandle' -Namespace Win32 -PassThru
# $api::PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)

#uselib "PeerDist.dll"
#func global PeerDistClientGetInformationByHandle "PeerDistClientGetInformationByHandle" sptr, sptr, sptr, sptr, sptr
; PeerDistClientGetInformationByHandle hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation   ; 戻り値は stat
; hPeerDist : INT_PTR -> "sptr"
; hContentHandle : INT_PTR -> "sptr"
; PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> "sptr"
; dwBufferSize : DWORD -> "sptr"
; lpInformation : void* 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。

#uselib "PeerDist.dll"
#cfunc global PeerDistClientGetInformationByHandle "PeerDistClientGetInformationByHandle" sptr, sptr, int, int, sptr
; res = PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)
; hPeerDist : INT_PTR -> "sptr"
; hContentHandle : INT_PTR -> "sptr"
; PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> "int"
; dwBufferSize : DWORD -> "int"
; lpInformation : void* out -> "sptr"

; DWORD PeerDistClientGetInformationByHandle(INT_PTR hPeerDist, INT_PTR hContentHandle, PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS PeerDistClientInfoClass, DWORD dwBufferSize, void* lpInformation)
#uselib "PeerDist.dll"
#cfunc global PeerDistClientGetInformationByHandle "PeerDistClientGetInformationByHandle" intptr, intptr, int, int, intptr
; res = PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)
; hPeerDist : INT_PTR -> "intptr"
; hContentHandle : INT_PTR -> "intptr"
; PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> "int"
; dwBufferSize : DWORD -> "int"
; lpInformation : void* out -> "intptr"

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

var (
	peerdist = windows.NewLazySystemDLL("PeerDist.dll")
	procPeerDistClientGetInformationByHandle = peerdist.NewProc("PeerDistClientGetInformationByHandle")
)

// hPeerDist (INT_PTR), hContentHandle (INT_PTR), PeerDistClientInfoClass (PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS), dwBufferSize (DWORD), lpInformation (void* out)
r1, _, err := procPeerDistClientGetInformationByHandle.Call(
	uintptr(hPeerDist),
	uintptr(hContentHandle),
	uintptr(PeerDistClientInfoClass),
	uintptr(dwBufferSize),
	uintptr(lpInformation),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PeerDistClientGetInformationByHandle(
  hPeerDist: NativeInt;   // INT_PTR
  hContentHandle: NativeInt;   // INT_PTR
  PeerDistClientInfoClass: Integer;   // PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
  dwBufferSize: DWORD;   // DWORD
  lpInformation: Pointer   // void* out
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistClientGetInformationByHandle';

result := DllCall("PeerDist\PeerDistClientGetInformationByHandle"
    , "Ptr", hPeerDist   ; INT_PTR
    , "Ptr", hContentHandle   ; INT_PTR
    , "Int", PeerDistClientInfoClass   ; PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    , "UInt", dwBufferSize   ; DWORD
    , "Ptr", lpInformation   ; void* out
    , "UInt")   ; return: DWORD

●PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation) = DLL("PeerDist.dll", "dword PeerDistClientGetInformationByHandle(int, int, int, dword, void*)")
# 呼び出し: PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)
# hPeerDist : INT_PTR -> "int"
# hContentHandle : INT_PTR -> "int"
# PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> "int"
# dwBufferSize : DWORD -> "dword"
# lpInformation : void* 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 "peerdist" fn PeerDistClientGetInformationByHandle(
    hPeerDist: isize, // INT_PTR
    hContentHandle: isize, // INT_PTR
    PeerDistClientInfoClass: i32, // PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    dwBufferSize: u32, // DWORD
    lpInformation: ?*anyopaque // void* out
) callconv(std.os.windows.WINAPI) u32;

proc PeerDistClientGetInformationByHandle(
    hPeerDist: int,  # INT_PTR
    hContentHandle: int,  # INT_PTR
    PeerDistClientInfoClass: int32,  # PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    dwBufferSize: uint32,  # DWORD
    lpInformation: pointer  # void* out
): uint32 {.importc: "PeerDistClientGetInformationByHandle", stdcall, dynlib: "PeerDist.dll".}

pragma(lib, "peerdist");
extern(Windows)
uint PeerDistClientGetInformationByHandle(
    ptrdiff_t hPeerDist,   // INT_PTR
    ptrdiff_t hContentHandle,   // INT_PTR
    int PeerDistClientInfoClass,   // PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    uint dwBufferSize,   // DWORD
    void* lpInformation   // void* out
);

ccall((:PeerDistClientGetInformationByHandle, "PeerDist.dll"), stdcall, UInt32,
      (Int, Int, Int32, UInt32, Ptr{Cvoid}),
      hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)
# hPeerDist : INT_PTR -> Int
# hContentHandle : INT_PTR -> Int
# PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> Int32
# dwBufferSize : DWORD -> UInt32
# lpInformation : void* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PeerDistClientGetInformationByHandle(
    intptr_t hPeerDist,
    intptr_t hContentHandle,
    int32_t PeerDistClientInfoClass,
    uint32_t dwBufferSize,
    void* lpInformation);
]]
local peerdist = ffi.load("peerdist")
-- peerdist.PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)
-- hPeerDist : INT_PTR
-- hContentHandle : INT_PTR
-- PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
-- dwBufferSize : DWORD
-- lpInformation : void* 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('PeerDist.dll');
const PeerDistClientGetInformationByHandle = lib.func('__stdcall', 'PeerDistClientGetInformationByHandle', 'uint32_t', ['intptr_t', 'intptr_t', 'int32_t', 'uint32_t', 'void *']);
// PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)
// hPeerDist : INT_PTR -> 'intptr_t'
// hContentHandle : INT_PTR -> 'intptr_t'
// PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> 'int32_t'
// dwBufferSize : DWORD -> 'uint32_t'
// lpInformation : void* out -> 'void *'
// 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("PeerDist.dll", {
  PeerDistClientGetInformationByHandle: { parameters: ["isize", "isize", "i32", "u32", "pointer"], result: "u32" },
});
// lib.symbols.PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation)
// hPeerDist : INT_PTR -> "isize"
// hContentHandle : INT_PTR -> "isize"
// PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> "i32"
// dwBufferSize : DWORD -> "u32"
// lpInformation : void* 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
uint32_t PeerDistClientGetInformationByHandle(
    intptr_t hPeerDist,
    intptr_t hContentHandle,
    int32_t PeerDistClientInfoClass,
    uint32_t dwBufferSize,
    void* lpInformation);
C, "PeerDist.dll");
// $ffi->PeerDistClientGetInformationByHandle(hPeerDist, hContentHandle, PeerDistClientInfoClass, dwBufferSize, lpInformation);
// hPeerDist : INT_PTR
// hContentHandle : INT_PTR
// PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
// dwBufferSize : DWORD
// lpInformation : void* 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 Peerdist extends StdCallLibrary {
    Peerdist INSTANCE = Native.load("peerdist", Peerdist.class);
    int PeerDistClientGetInformationByHandle(
        long hPeerDist,   // INT_PTR
        long hContentHandle,   // INT_PTR
        int PeerDistClientInfoClass,   // PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
        int dwBufferSize,   // DWORD
        Pointer lpInformation   // void* out
    );
}

@[Link("peerdist")]
lib LibPeerDist
  fun PeerDistClientGetInformationByHandle = PeerDistClientGetInformationByHandle(
    hPeerDist : LibC::SSizeT,   # INT_PTR
    hContentHandle : LibC::SSizeT,   # INT_PTR
    PeerDistClientInfoClass : Int32,   # PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
    dwBufferSize : UInt32,   # DWORD
    lpInformation : Void*   # void* out
  ) : UInt32
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 PeerDistClientGetInformationByHandleNative = Uint32 Function(IntPtr, IntPtr, Int32, Uint32, Pointer<Void>);
typedef PeerDistClientGetInformationByHandleDart = int Function(int, int, int, int, Pointer<Void>);
final PeerDistClientGetInformationByHandle = DynamicLibrary.open('PeerDist.dll')
    .lookupFunction<PeerDistClientGetInformationByHandleNative, PeerDistClientGetInformationByHandleDart>('PeerDistClientGetInformationByHandle');
// hPeerDist : INT_PTR -> IntPtr
// hContentHandle : INT_PTR -> IntPtr
// PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> Int32
// dwBufferSize : DWORD -> Uint32
// lpInformation : void* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerDistClientGetInformationByHandle(
  hPeerDist: NativeInt;   // INT_PTR
  hContentHandle: NativeInt;   // INT_PTR
  PeerDistClientInfoClass: Integer;   // PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
  dwBufferSize: DWORD;   // DWORD
  lpInformation: Pointer   // void* out
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistClientGetInformationByHandle';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PeerDistClientGetInformationByHandle"
  c_PeerDistClientGetInformationByHandle :: CIntPtr -> CIntPtr -> Int32 -> Word32 -> Ptr () -> IO Word32
-- hPeerDist : INT_PTR -> CIntPtr
-- hContentHandle : INT_PTR -> CIntPtr
-- PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> Int32
-- dwBufferSize : DWORD -> Word32
-- lpInformation : void* out -> Ptr ()
-- 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 peerdistclientgetinformationbyhandle =
  foreign "PeerDistClientGetInformationByHandle"
    (intptr_t @-> intptr_t @-> int32_t @-> uint32_t @-> (ptr void) @-> returning uint32_t)
(* hPeerDist : INT_PTR -> intptr_t *)
(* hContentHandle : INT_PTR -> intptr_t *)
(* PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> int32_t *)
(* dwBufferSize : DWORD -> uint32_t *)
(* lpInformation : void* out -> (ptr void) *)
(* 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 peerdist (t "PeerDist.dll"))
(cffi:use-foreign-library peerdist)

(cffi:defcfun ("PeerDistClientGetInformationByHandle" peer-dist-client-get-information-by-handle :convention :stdcall) :uint32
  (h-peer-dist :int64)   ; INT_PTR
  (h-content-handle :int64)   ; INT_PTR
  (peer-dist-client-info-class :int32)   ; PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS
  (dw-buffer-size :uint32)   ; DWORD
  (lp-information :pointer))   ; void* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerDistClientGetInformationByHandle = Win32::API::More->new('PeerDist',
    'DWORD PeerDistClientGetInformationByHandle(LPARAM hPeerDist, LPARAM hContentHandle, int PeerDistClientInfoClass, DWORD dwBufferSize, LPVOID lpInformation)');
# my $ret = $PeerDistClientGetInformationByHandle->Call($hPeerDist, $hContentHandle, $PeerDistClientInfoClass, $dwBufferSize, $lpInformation);
# hPeerDist : INT_PTR -> LPARAM
# hContentHandle : INT_PTR -> LPARAM
# PeerDistClientInfoClass : PEERDIST_CLIENT_INFO_BY_HANDLE_CLASS -> int
# dwBufferSize : DWORD -> DWORD
# lpInformation : void* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。