Win32 API 日本語リファレンス
ホームNetworkManagement.P2P › PeerDistServerCancelAsyncOperation

PeerDistServerCancelAsyncOperation

関数
サーバー側の非同期操作をキャンセルする。
DLLPeerDist.dll呼出規約winapiSetLastErrorあり対応OSWindows 7 以降

シグネチャ

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

DWORD PeerDistServerCancelAsyncOperation(
    INT_PTR hPeerDist,
    DWORD cbContentIdentifier,
    BYTE* pContentIdentifier,
    OVERLAPPED* pOverlapped
);

パラメーター

名前方向説明
hPeerDistINT_PTRin対象のPeerDistセッションのハンドル。
cbContentIdentifierDWORDinpContentIdentifierが指すコンテンツ識別子のバイト数。
pContentIdentifierBYTE*inキャンセル対象操作に関連するコンテンツ識別子バイト列へのポインタ。
pOverlappedOVERLAPPED*inキャンセルする非同期操作のOVERLAPPED構造体へのポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PeerDistServerCancelAsyncOperation(
    INT_PTR hPeerDist,
    DWORD cbContentIdentifier,
    BYTE* pContentIdentifier,
    OVERLAPPED* pOverlapped
);
[DllImport("PeerDist.dll", SetLastError = true, ExactSpelling = true)]
static extern uint PeerDistServerCancelAsyncOperation(
    IntPtr hPeerDist,   // INT_PTR
    uint cbContentIdentifier,   // DWORD
    IntPtr pContentIdentifier,   // BYTE*
    IntPtr pOverlapped   // OVERLAPPED*
);
<DllImport("PeerDist.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PeerDistServerCancelAsyncOperation(
    hPeerDist As IntPtr,   ' INT_PTR
    cbContentIdentifier As UInteger,   ' DWORD
    pContentIdentifier As IntPtr,   ' BYTE*
    pOverlapped As IntPtr   ' OVERLAPPED*
) As UInteger
End Function
' hPeerDist : INT_PTR
' cbContentIdentifier : DWORD
' pContentIdentifier : BYTE*
' pOverlapped : OVERLAPPED*
Declare PtrSafe Function PeerDistServerCancelAsyncOperation Lib "peerdist" ( _
    ByVal hPeerDist As LongPtr, _
    ByVal cbContentIdentifier As Long, _
    ByVal pContentIdentifier As LongPtr, _
    ByVal pOverlapped 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

PeerDistServerCancelAsyncOperation = ctypes.windll.peerdist.PeerDistServerCancelAsyncOperation
PeerDistServerCancelAsyncOperation.restype = wintypes.DWORD
PeerDistServerCancelAsyncOperation.argtypes = [
    ctypes.c_ssize_t,  # hPeerDist : INT_PTR
    wintypes.DWORD,  # cbContentIdentifier : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pContentIdentifier : BYTE*
    ctypes.c_void_p,  # pOverlapped : OVERLAPPED*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PeerDist.dll')
PeerDistServerCancelAsyncOperation = Fiddle::Function.new(
  lib['PeerDistServerCancelAsyncOperation'],
  [
    Fiddle::TYPE_INTPTR_T,  # hPeerDist : INT_PTR
    -Fiddle::TYPE_INT,  # cbContentIdentifier : DWORD
    Fiddle::TYPE_VOIDP,  # pContentIdentifier : BYTE*
    Fiddle::TYPE_VOIDP,  # pOverlapped : OVERLAPPED*
  ],
  -Fiddle::TYPE_INT)
#[link(name = "peerdist")]
extern "system" {
    fn PeerDistServerCancelAsyncOperation(
        hPeerDist: isize,  // INT_PTR
        cbContentIdentifier: u32,  // DWORD
        pContentIdentifier: *mut u8,  // BYTE*
        pOverlapped: *mut OVERLAPPED  // OVERLAPPED*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("PeerDist.dll", SetLastError = true)]
public static extern uint PeerDistServerCancelAsyncOperation(IntPtr hPeerDist, uint cbContentIdentifier, IntPtr pContentIdentifier, IntPtr pOverlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PeerDist_PeerDistServerCancelAsyncOperation' -Namespace Win32 -PassThru
# $api::PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
#uselib "PeerDist.dll"
#func global PeerDistServerCancelAsyncOperation "PeerDistServerCancelAsyncOperation" sptr, sptr, sptr, sptr
; PeerDistServerCancelAsyncOperation hPeerDist, cbContentIdentifier, varptr(pContentIdentifier), varptr(pOverlapped)   ; 戻り値は stat
; hPeerDist : INT_PTR -> "sptr"
; cbContentIdentifier : DWORD -> "sptr"
; pContentIdentifier : BYTE* -> "sptr"
; pOverlapped : OVERLAPPED* -> "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 "PeerDist.dll"
#cfunc global PeerDistServerCancelAsyncOperation "PeerDistServerCancelAsyncOperation" sptr, int, var, var
; res = PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
; hPeerDist : INT_PTR -> "sptr"
; cbContentIdentifier : DWORD -> "int"
; pContentIdentifier : BYTE* -> "var"
; pOverlapped : OVERLAPPED* -> "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:
; DWORD PeerDistServerCancelAsyncOperation(INT_PTR hPeerDist, DWORD cbContentIdentifier, BYTE* pContentIdentifier, OVERLAPPED* pOverlapped)
#uselib "PeerDist.dll"
#cfunc global PeerDistServerCancelAsyncOperation "PeerDistServerCancelAsyncOperation" intptr, int, var, var
; res = PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
; hPeerDist : INT_PTR -> "intptr"
; cbContentIdentifier : DWORD -> "int"
; pContentIdentifier : BYTE* -> "var"
; pOverlapped : OVERLAPPED* -> "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 (
	peerdist = windows.NewLazySystemDLL("PeerDist.dll")
	procPeerDistServerCancelAsyncOperation = peerdist.NewProc("PeerDistServerCancelAsyncOperation")
)

// hPeerDist (INT_PTR), cbContentIdentifier (DWORD), pContentIdentifier (BYTE*), pOverlapped (OVERLAPPED*)
r1, _, err := procPeerDistServerCancelAsyncOperation.Call(
	uintptr(hPeerDist),
	uintptr(cbContentIdentifier),
	uintptr(pContentIdentifier),
	uintptr(pOverlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function PeerDistServerCancelAsyncOperation(
  hPeerDist: NativeInt;   // INT_PTR
  cbContentIdentifier: DWORD;   // DWORD
  pContentIdentifier: Pointer;   // BYTE*
  pOverlapped: Pointer   // OVERLAPPED*
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistServerCancelAsyncOperation';
result := DllCall("PeerDist\PeerDistServerCancelAsyncOperation"
    , "Ptr", hPeerDist   ; INT_PTR
    , "UInt", cbContentIdentifier   ; DWORD
    , "Ptr", pContentIdentifier   ; BYTE*
    , "Ptr", pOverlapped   ; OVERLAPPED*
    , "UInt")   ; return: DWORD
●PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped) = DLL("PeerDist.dll", "dword PeerDistServerCancelAsyncOperation(int, dword, void*, void*)")
# 呼び出し: PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
# hPeerDist : INT_PTR -> "int"
# cbContentIdentifier : DWORD -> "dword"
# pContentIdentifier : BYTE* -> "void*"
# pOverlapped : OVERLAPPED* -> "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 PeerDistServerCancelAsyncOperation(
    hPeerDist: isize, // INT_PTR
    cbContentIdentifier: u32, // DWORD
    pContentIdentifier: [*c]u8, // BYTE*
    pOverlapped: [*c]OVERLAPPED // OVERLAPPED*
) callconv(std.os.windows.WINAPI) u32;
proc PeerDistServerCancelAsyncOperation(
    hPeerDist: int,  # INT_PTR
    cbContentIdentifier: uint32,  # DWORD
    pContentIdentifier: ptr uint8,  # BYTE*
    pOverlapped: ptr OVERLAPPED  # OVERLAPPED*
): uint32 {.importc: "PeerDistServerCancelAsyncOperation", stdcall, dynlib: "PeerDist.dll".}
pragma(lib, "peerdist");
extern(Windows)
uint PeerDistServerCancelAsyncOperation(
    ptrdiff_t hPeerDist,   // INT_PTR
    uint cbContentIdentifier,   // DWORD
    ubyte* pContentIdentifier,   // BYTE*
    OVERLAPPED* pOverlapped   // OVERLAPPED*
);
ccall((:PeerDistServerCancelAsyncOperation, "PeerDist.dll"), stdcall, UInt32,
      (Int, UInt32, Ptr{UInt8}, Ptr{OVERLAPPED}),
      hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
# hPeerDist : INT_PTR -> Int
# cbContentIdentifier : DWORD -> UInt32
# pContentIdentifier : BYTE* -> Ptr{UInt8}
# pOverlapped : OVERLAPPED* -> Ptr{OVERLAPPED}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t PeerDistServerCancelAsyncOperation(
    intptr_t hPeerDist,
    uint32_t cbContentIdentifier,
    uint8_t* pContentIdentifier,
    void* pOverlapped);
]]
local peerdist = ffi.load("peerdist")
-- peerdist.PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
-- hPeerDist : INT_PTR
-- cbContentIdentifier : DWORD
-- pContentIdentifier : BYTE*
-- pOverlapped : OVERLAPPED*
-- 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 PeerDistServerCancelAsyncOperation = lib.func('__stdcall', 'PeerDistServerCancelAsyncOperation', 'uint32_t', ['intptr_t', 'uint32_t', 'uint8_t *', 'void *']);
// PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
// hPeerDist : INT_PTR -> 'intptr_t'
// cbContentIdentifier : DWORD -> 'uint32_t'
// pContentIdentifier : BYTE* -> 'uint8_t *'
// pOverlapped : OVERLAPPED* -> '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", {
  PeerDistServerCancelAsyncOperation: { parameters: ["isize", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
// hPeerDist : INT_PTR -> "isize"
// cbContentIdentifier : DWORD -> "u32"
// pContentIdentifier : BYTE* -> "pointer"
// pOverlapped : OVERLAPPED* -> "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 PeerDistServerCancelAsyncOperation(
    intptr_t hPeerDist,
    uint32_t cbContentIdentifier,
    uint8_t* pContentIdentifier,
    void* pOverlapped);
C, "PeerDist.dll");
// $ffi->PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped);
// hPeerDist : INT_PTR
// cbContentIdentifier : DWORD
// pContentIdentifier : BYTE*
// pOverlapped : OVERLAPPED*
// 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 PeerDistServerCancelAsyncOperation(
        long hPeerDist,   // INT_PTR
        int cbContentIdentifier,   // DWORD
        byte[] pContentIdentifier,   // BYTE*
        Pointer pOverlapped   // OVERLAPPED*
    );
}
@[Link("peerdist")]
lib LibPeerDist
  fun PeerDistServerCancelAsyncOperation = PeerDistServerCancelAsyncOperation(
    hPeerDist : LibC::SSizeT,   # INT_PTR
    cbContentIdentifier : UInt32,   # DWORD
    pContentIdentifier : UInt8*,   # BYTE*
    pOverlapped : OVERLAPPED*   # OVERLAPPED*
  ) : 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 PeerDistServerCancelAsyncOperationNative = Uint32 Function(IntPtr, Uint32, Pointer<Uint8>, Pointer<Void>);
typedef PeerDistServerCancelAsyncOperationDart = int Function(int, int, Pointer<Uint8>, Pointer<Void>);
final PeerDistServerCancelAsyncOperation = DynamicLibrary.open('PeerDist.dll')
    .lookupFunction<PeerDistServerCancelAsyncOperationNative, PeerDistServerCancelAsyncOperationDart>('PeerDistServerCancelAsyncOperation');
// hPeerDist : INT_PTR -> IntPtr
// cbContentIdentifier : DWORD -> Uint32
// pContentIdentifier : BYTE* -> Pointer<Uint8>
// pOverlapped : OVERLAPPED* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function PeerDistServerCancelAsyncOperation(
  hPeerDist: NativeInt;   // INT_PTR
  cbContentIdentifier: DWORD;   // DWORD
  pContentIdentifier: Pointer;   // BYTE*
  pOverlapped: Pointer   // OVERLAPPED*
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistServerCancelAsyncOperation';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PeerDistServerCancelAsyncOperation"
  c_PeerDistServerCancelAsyncOperation :: CIntPtr -> Word32 -> Ptr Word8 -> Ptr () -> IO Word32
-- hPeerDist : INT_PTR -> CIntPtr
-- cbContentIdentifier : DWORD -> Word32
-- pContentIdentifier : BYTE* -> Ptr Word8
-- pOverlapped : OVERLAPPED* -> 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 peerdistservercancelasyncoperation =
  foreign "PeerDistServerCancelAsyncOperation"
    (intptr_t @-> uint32_t @-> (ptr uint8_t) @-> (ptr void) @-> returning uint32_t)
(* hPeerDist : INT_PTR -> intptr_t *)
(* cbContentIdentifier : DWORD -> uint32_t *)
(* pContentIdentifier : BYTE* -> (ptr uint8_t) *)
(* pOverlapped : OVERLAPPED* -> (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 ("PeerDistServerCancelAsyncOperation" peer-dist-server-cancel-async-operation :convention :stdcall) :uint32
  (h-peer-dist :int64)   ; INT_PTR
  (cb-content-identifier :uint32)   ; DWORD
  (p-content-identifier :pointer)   ; BYTE*
  (p-overlapped :pointer))   ; OVERLAPPED*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $PeerDistServerCancelAsyncOperation = Win32::API::More->new('PeerDist',
    'DWORD PeerDistServerCancelAsyncOperation(LPARAM hPeerDist, DWORD cbContentIdentifier, LPVOID pContentIdentifier, LPVOID pOverlapped)');
# my $ret = $PeerDistServerCancelAsyncOperation->Call($hPeerDist, $cbContentIdentifier, $pContentIdentifier, $pOverlapped);
# hPeerDist : INT_PTR -> LPARAM
# cbContentIdentifier : DWORD -> DWORD
# pContentIdentifier : BYTE* -> LPVOID
# pOverlapped : OVERLAPPED* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

関連項目

使用する型