Win32 API 日本語リファレンス
ホームNetworking.HttpServer › HttpDelegateRequestEx

HttpDelegateRequestEx

関数
HTTPリクエストを別のキューへ委譲する。
DLLHTTPAPI.dll呼出規約winapi

シグネチャ

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

DWORD HttpDelegateRequestEx(
    HANDLE RequestQueueHandle,
    HANDLE DelegateQueueHandle,
    ULONGLONG RequestId,
    ULONGLONG DelegateUrlGroupId,
    DWORD PropertyInfoSetSize,
    HTTP_DELEGATE_REQUEST_PROPERTY_INFO* PropertyInfoSet
);

パラメーター

名前方向説明
RequestQueueHandleHANDLEinソースのリクエストキューへのハンドルです。
DelegateQueueHandleHANDLEinターゲットのリクエストキューへのハンドルです。
RequestIdULONGLONGinHttpReceiveHttpRequest で受信した一意のリクエスト ID です。
DelegateUrlGroupIdULONGLONGinターゲットの URL グループの URL グループ ID です。
PropertyInfoSetSizeDWORDinPropertyInfoSet 配列内のエントリ数です。
PropertyInfoSetHTTP_DELEGATE_REQUEST_PROPERTY_INFO*in委譲時にリクエストへ設定するプロパティの配列です。

戻り値の型: DWORD

公式ドキュメント

リクエストをソースのリクエストキューからターゲットのリクエストキューへ委譲します。

戻り値

NTSTATUS の完了ステータスを格納した ULONG です。

出典・ライセンス: 上記「公式ドキュメント」の内容は Microsoft の Win32 API ドキュメント(MicrosoftDocs/sdk-api)を日本語に翻訳・改変したものです。© Microsoft Corporation. CC BY 4.0 で提供。
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)

各言語での呼び出し定義

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

DWORD HttpDelegateRequestEx(
    HANDLE RequestQueueHandle,
    HANDLE DelegateQueueHandle,
    ULONGLONG RequestId,
    ULONGLONG DelegateUrlGroupId,
    DWORD PropertyInfoSetSize,
    HTTP_DELEGATE_REQUEST_PROPERTY_INFO* PropertyInfoSet
);
[DllImport("HTTPAPI.dll", ExactSpelling = true)]
static extern uint HttpDelegateRequestEx(
    IntPtr RequestQueueHandle,   // HANDLE
    IntPtr DelegateQueueHandle,   // HANDLE
    ulong RequestId,   // ULONGLONG
    ulong DelegateUrlGroupId,   // ULONGLONG
    uint PropertyInfoSetSize,   // DWORD
    IntPtr PropertyInfoSet   // HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
);
<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpDelegateRequestEx(
    RequestQueueHandle As IntPtr,   ' HANDLE
    DelegateQueueHandle As IntPtr,   ' HANDLE
    RequestId As ULong,   ' ULONGLONG
    DelegateUrlGroupId As ULong,   ' ULONGLONG
    PropertyInfoSetSize As UInteger,   ' DWORD
    PropertyInfoSet As IntPtr   ' HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
) As UInteger
End Function
' RequestQueueHandle : HANDLE
' DelegateQueueHandle : HANDLE
' RequestId : ULONGLONG
' DelegateUrlGroupId : ULONGLONG
' PropertyInfoSetSize : DWORD
' PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
Declare PtrSafe Function HttpDelegateRequestEx Lib "httpapi" ( _
    ByVal RequestQueueHandle As LongPtr, _
    ByVal DelegateQueueHandle As LongPtr, _
    ByVal RequestId As LongLong, _
    ByVal DelegateUrlGroupId As LongLong, _
    ByVal PropertyInfoSetSize As Long, _
    ByVal PropertyInfoSet 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

HttpDelegateRequestEx = ctypes.windll.httpapi.HttpDelegateRequestEx
HttpDelegateRequestEx.restype = wintypes.DWORD
HttpDelegateRequestEx.argtypes = [
    wintypes.HANDLE,  # RequestQueueHandle : HANDLE
    wintypes.HANDLE,  # DelegateQueueHandle : HANDLE
    ctypes.c_ulonglong,  # RequestId : ULONGLONG
    ctypes.c_ulonglong,  # DelegateUrlGroupId : ULONGLONG
    wintypes.DWORD,  # PropertyInfoSetSize : DWORD
    ctypes.c_void_p,  # PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpDelegateRequestEx = Fiddle::Function.new(
  lib['HttpDelegateRequestEx'],
  [
    Fiddle::TYPE_VOIDP,  # RequestQueueHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # DelegateQueueHandle : HANDLE
    -Fiddle::TYPE_LONG_LONG,  # RequestId : ULONGLONG
    -Fiddle::TYPE_LONG_LONG,  # DelegateUrlGroupId : ULONGLONG
    -Fiddle::TYPE_INT,  # PropertyInfoSetSize : DWORD
    Fiddle::TYPE_VOIDP,  # PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
  ],
  -Fiddle::TYPE_INT)
#[link(name = "httpapi")]
extern "system" {
    fn HttpDelegateRequestEx(
        RequestQueueHandle: *mut core::ffi::c_void,  // HANDLE
        DelegateQueueHandle: *mut core::ffi::c_void,  // HANDLE
        RequestId: u64,  // ULONGLONG
        DelegateUrlGroupId: u64,  // ULONGLONG
        PropertyInfoSetSize: u32,  // DWORD
        PropertyInfoSet: *mut HTTP_DELEGATE_REQUEST_PROPERTY_INFO  // HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpDelegateRequestEx(IntPtr RequestQueueHandle, IntPtr DelegateQueueHandle, ulong RequestId, ulong DelegateUrlGroupId, uint PropertyInfoSetSize, IntPtr PropertyInfoSet);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpDelegateRequestEx' -Namespace Win32 -PassThru
# $api::HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
#uselib "HTTPAPI.dll"
#func global HttpDelegateRequestEx "HttpDelegateRequestEx" sptr, sptr, sptr, sptr, sptr, sptr
; HttpDelegateRequestEx RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, varptr(PropertyInfoSet)   ; 戻り値は stat
; RequestQueueHandle : HANDLE -> "sptr"
; DelegateQueueHandle : HANDLE -> "sptr"
; RequestId : ULONGLONG -> "sptr"
; DelegateUrlGroupId : ULONGLONG -> "sptr"
; PropertyInfoSetSize : DWORD -> "sptr"
; PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 "HTTPAPI.dll"
#cfunc global HttpDelegateRequestEx "HttpDelegateRequestEx" sptr, sptr, int64, int64, int, var
; res = HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
; RequestQueueHandle : HANDLE -> "sptr"
; DelegateQueueHandle : HANDLE -> "sptr"
; RequestId : ULONGLONG -> "int64"
; DelegateUrlGroupId : ULONGLONG -> "int64"
; PropertyInfoSetSize : DWORD -> "int"
; PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> "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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。
出力引数:
; DWORD HttpDelegateRequestEx(HANDLE RequestQueueHandle, HANDLE DelegateQueueHandle, ULONGLONG RequestId, ULONGLONG DelegateUrlGroupId, DWORD PropertyInfoSetSize, HTTP_DELEGATE_REQUEST_PROPERTY_INFO* PropertyInfoSet)
#uselib "HTTPAPI.dll"
#cfunc global HttpDelegateRequestEx "HttpDelegateRequestEx" intptr, intptr, int64, int64, int, var
; res = HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
; RequestQueueHandle : HANDLE -> "intptr"
; DelegateQueueHandle : HANDLE -> "intptr"
; RequestId : ULONGLONG -> "int64"
; DelegateUrlGroupId : ULONGLONG -> "int64"
; PropertyInfoSetSize : DWORD -> "int"
; PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> "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 (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpDelegateRequestEx = httpapi.NewProc("HttpDelegateRequestEx")
)

// RequestQueueHandle (HANDLE), DelegateQueueHandle (HANDLE), RequestId (ULONGLONG), DelegateUrlGroupId (ULONGLONG), PropertyInfoSetSize (DWORD), PropertyInfoSet (HTTP_DELEGATE_REQUEST_PROPERTY_INFO*)
r1, _, err := procHttpDelegateRequestEx.Call(
	uintptr(RequestQueueHandle),
	uintptr(DelegateQueueHandle),
	uintptr(RequestId),
	uintptr(DelegateUrlGroupId),
	uintptr(PropertyInfoSetSize),
	uintptr(PropertyInfoSet),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function HttpDelegateRequestEx(
  RequestQueueHandle: THandle;   // HANDLE
  DelegateQueueHandle: THandle;   // HANDLE
  RequestId: UInt64;   // ULONGLONG
  DelegateUrlGroupId: UInt64;   // ULONGLONG
  PropertyInfoSetSize: DWORD;   // DWORD
  PropertyInfoSet: Pointer   // HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpDelegateRequestEx';
result := DllCall("HTTPAPI\HttpDelegateRequestEx"
    , "Ptr", RequestQueueHandle   ; HANDLE
    , "Ptr", DelegateQueueHandle   ; HANDLE
    , "Int64", RequestId   ; ULONGLONG
    , "Int64", DelegateUrlGroupId   ; ULONGLONG
    , "UInt", PropertyInfoSetSize   ; DWORD
    , "Ptr", PropertyInfoSet   ; HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
    , "UInt")   ; return: DWORD
●HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet) = DLL("HTTPAPI.dll", "dword HttpDelegateRequestEx(void*, void*, qword, qword, dword, void*)")
# 呼び出し: HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
# RequestQueueHandle : HANDLE -> "void*"
# DelegateQueueHandle : HANDLE -> "void*"
# RequestId : ULONGLONG -> "qword"
# DelegateUrlGroupId : ULONGLONG -> "qword"
# PropertyInfoSetSize : DWORD -> "dword"
# PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> "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 "httpapi" fn HttpDelegateRequestEx(
    RequestQueueHandle: ?*anyopaque, // HANDLE
    DelegateQueueHandle: ?*anyopaque, // HANDLE
    RequestId: u64, // ULONGLONG
    DelegateUrlGroupId: u64, // ULONGLONG
    PropertyInfoSetSize: u32, // DWORD
    PropertyInfoSet: [*c]HTTP_DELEGATE_REQUEST_PROPERTY_INFO // HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
) callconv(std.os.windows.WINAPI) u32;
proc HttpDelegateRequestEx(
    RequestQueueHandle: pointer,  # HANDLE
    DelegateQueueHandle: pointer,  # HANDLE
    RequestId: uint64,  # ULONGLONG
    DelegateUrlGroupId: uint64,  # ULONGLONG
    PropertyInfoSetSize: uint32,  # DWORD
    PropertyInfoSet: ptr HTTP_DELEGATE_REQUEST_PROPERTY_INFO  # HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
): uint32 {.importc: "HttpDelegateRequestEx", stdcall, dynlib: "HTTPAPI.dll".}
pragma(lib, "httpapi");
extern(Windows)
uint HttpDelegateRequestEx(
    void* RequestQueueHandle,   // HANDLE
    void* DelegateQueueHandle,   // HANDLE
    ulong RequestId,   // ULONGLONG
    ulong DelegateUrlGroupId,   // ULONGLONG
    uint PropertyInfoSetSize,   // DWORD
    HTTP_DELEGATE_REQUEST_PROPERTY_INFO* PropertyInfoSet   // HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
);
ccall((:HttpDelegateRequestEx, "HTTPAPI.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{Cvoid}, UInt64, UInt64, UInt32, Ptr{HTTP_DELEGATE_REQUEST_PROPERTY_INFO}),
      RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
# RequestQueueHandle : HANDLE -> Ptr{Cvoid}
# DelegateQueueHandle : HANDLE -> Ptr{Cvoid}
# RequestId : ULONGLONG -> UInt64
# DelegateUrlGroupId : ULONGLONG -> UInt64
# PropertyInfoSetSize : DWORD -> UInt32
# PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> Ptr{HTTP_DELEGATE_REQUEST_PROPERTY_INFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t HttpDelegateRequestEx(
    void* RequestQueueHandle,
    void* DelegateQueueHandle,
    uint64_t RequestId,
    uint64_t DelegateUrlGroupId,
    uint32_t PropertyInfoSetSize,
    void* PropertyInfoSet);
]]
local httpapi = ffi.load("httpapi")
-- httpapi.HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
-- RequestQueueHandle : HANDLE
-- DelegateQueueHandle : HANDLE
-- RequestId : ULONGLONG
-- DelegateUrlGroupId : ULONGLONG
-- PropertyInfoSetSize : DWORD
-- PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
-- 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('HTTPAPI.dll');
const HttpDelegateRequestEx = lib.func('__stdcall', 'HttpDelegateRequestEx', 'uint32_t', ['void *', 'void *', 'uint64_t', 'uint64_t', 'uint32_t', 'void *']);
// HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
// RequestQueueHandle : HANDLE -> 'void *'
// DelegateQueueHandle : HANDLE -> 'void *'
// RequestId : ULONGLONG -> 'uint64_t'
// DelegateUrlGroupId : ULONGLONG -> 'uint64_t'
// PropertyInfoSetSize : DWORD -> 'uint32_t'
// PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> '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("HTTPAPI.dll", {
  HttpDelegateRequestEx: { parameters: ["pointer", "pointer", "u64", "u64", "u32", "pointer"], result: "u32" },
});
// lib.symbols.HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet)
// RequestQueueHandle : HANDLE -> "pointer"
// DelegateQueueHandle : HANDLE -> "pointer"
// RequestId : ULONGLONG -> "u64"
// DelegateUrlGroupId : ULONGLONG -> "u64"
// PropertyInfoSetSize : DWORD -> "u32"
// PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> "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 HttpDelegateRequestEx(
    void* RequestQueueHandle,
    void* DelegateQueueHandle,
    uint64_t RequestId,
    uint64_t DelegateUrlGroupId,
    uint32_t PropertyInfoSetSize,
    void* PropertyInfoSet);
C, "HTTPAPI.dll");
// $ffi->HttpDelegateRequestEx(RequestQueueHandle, DelegateQueueHandle, RequestId, DelegateUrlGroupId, PropertyInfoSetSize, PropertyInfoSet);
// RequestQueueHandle : HANDLE
// DelegateQueueHandle : HANDLE
// RequestId : ULONGLONG
// DelegateUrlGroupId : ULONGLONG
// PropertyInfoSetSize : DWORD
// PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
// 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 Httpapi extends StdCallLibrary {
    Httpapi INSTANCE = Native.load("httpapi", Httpapi.class);
    int HttpDelegateRequestEx(
        Pointer RequestQueueHandle,   // HANDLE
        Pointer DelegateQueueHandle,   // HANDLE
        long RequestId,   // ULONGLONG
        long DelegateUrlGroupId,   // ULONGLONG
        int PropertyInfoSetSize,   // DWORD
        Pointer PropertyInfoSet   // HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
    );
}
@[Link("httpapi")]
lib LibHTTPAPI
  fun HttpDelegateRequestEx = HttpDelegateRequestEx(
    RequestQueueHandle : Void*,   # HANDLE
    DelegateQueueHandle : Void*,   # HANDLE
    RequestId : UInt64,   # ULONGLONG
    DelegateUrlGroupId : UInt64,   # ULONGLONG
    PropertyInfoSetSize : UInt32,   # DWORD
    PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO*   # HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
  ) : 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 HttpDelegateRequestExNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Uint64, Uint64, Uint32, Pointer<Void>);
typedef HttpDelegateRequestExDart = int Function(Pointer<Void>, Pointer<Void>, int, int, int, Pointer<Void>);
final HttpDelegateRequestEx = DynamicLibrary.open('HTTPAPI.dll')
    .lookupFunction<HttpDelegateRequestExNative, HttpDelegateRequestExDart>('HttpDelegateRequestEx');
// RequestQueueHandle : HANDLE -> Pointer<Void>
// DelegateQueueHandle : HANDLE -> Pointer<Void>
// RequestId : ULONGLONG -> Uint64
// DelegateUrlGroupId : ULONGLONG -> Uint64
// PropertyInfoSetSize : DWORD -> Uint32
// PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function HttpDelegateRequestEx(
  RequestQueueHandle: THandle;   // HANDLE
  DelegateQueueHandle: THandle;   // HANDLE
  RequestId: UInt64;   // ULONGLONG
  DelegateUrlGroupId: UInt64;   // ULONGLONG
  PropertyInfoSetSize: DWORD;   // DWORD
  PropertyInfoSet: Pointer   // HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpDelegateRequestEx';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "HttpDelegateRequestEx"
  c_HttpDelegateRequestEx :: Ptr () -> Ptr () -> Word64 -> Word64 -> Word32 -> Ptr () -> IO Word32
-- RequestQueueHandle : HANDLE -> Ptr ()
-- DelegateQueueHandle : HANDLE -> Ptr ()
-- RequestId : ULONGLONG -> Word64
-- DelegateUrlGroupId : ULONGLONG -> Word64
-- PropertyInfoSetSize : DWORD -> Word32
-- PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> 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 httpdelegaterequestex =
  foreign "HttpDelegateRequestEx"
    ((ptr void) @-> (ptr void) @-> uint64_t @-> uint64_t @-> uint32_t @-> (ptr void) @-> returning uint32_t)
(* RequestQueueHandle : HANDLE -> (ptr void) *)
(* DelegateQueueHandle : HANDLE -> (ptr void) *)
(* RequestId : ULONGLONG -> uint64_t *)
(* DelegateUrlGroupId : ULONGLONG -> uint64_t *)
(* PropertyInfoSetSize : DWORD -> uint32_t *)
(* PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> (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 httpapi (t "HTTPAPI.dll"))
(cffi:use-foreign-library httpapi)

(cffi:defcfun ("HttpDelegateRequestEx" http-delegate-request-ex :convention :stdcall) :uint32
  (request-queue-handle :pointer)   ; HANDLE
  (delegate-queue-handle :pointer)   ; HANDLE
  (request-id :uint64)   ; ULONGLONG
  (delegate-url-group-id :uint64)   ; ULONGLONG
  (property-info-set-size :uint32)   ; DWORD
  (property-info-set :pointer))   ; HTTP_DELEGATE_REQUEST_PROPERTY_INFO*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $HttpDelegateRequestEx = Win32::API::More->new('HTTPAPI',
    'DWORD HttpDelegateRequestEx(HANDLE RequestQueueHandle, HANDLE DelegateQueueHandle, UINT64 RequestId, UINT64 DelegateUrlGroupId, DWORD PropertyInfoSetSize, LPVOID PropertyInfoSet)');
# my $ret = $HttpDelegateRequestEx->Call($RequestQueueHandle, $DelegateQueueHandle, $RequestId, $DelegateUrlGroupId, $PropertyInfoSetSize, $PropertyInfoSet);
# RequestQueueHandle : HANDLE -> HANDLE
# DelegateQueueHandle : HANDLE -> HANDLE
# RequestId : ULONGLONG -> UINT64
# DelegateUrlGroupId : ULONGLONG -> UINT64
# PropertyInfoSetSize : DWORD -> DWORD
# PropertyInfoSet : HTTP_DELEGATE_REQUEST_PROPERTY_INFO* -> 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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