ホーム › Networking.Clustering › ClusterAffinityRuleControl

ClusterAffinityRuleControl

関数

アフィニティルールに対して制御コードを発行する。

DLLCLUSAPI.dll呼出規約winapi

シグネチャ

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

DWORD ClusterAffinityRuleControl(
    HCLUSTER hCluster,
    LPCWSTR affinityRuleName,
    HNODE hHostNode,   // optional
    DWORD dwControlCode,
    void* lpInBuffer,   // optional
    DWORD cbInBufferSize,
    void* lpOutBuffer,   // optional
    DWORD cbOutBufferSize,
    DWORD* lpBytesReturned   // optional
);

パラメーター

名前	型	方向	説明
hCluster	HCLUSTER	in	対象クラスタへのハンドル。
affinityRuleName	LPCWSTR	in	制御対象のアフィニティルール名を指すワイド文字列。
hHostNode	HNODE	inoptional	制御を実行するホストノードへのハンドル。任意ノードでよければNULL可。
dwControlCode	DWORD	in	実行するアフィニティルール制御コード。
lpInBuffer	void*	inoptional	制御コードへの入力データバッファへのポインタ。不要ならNULL可。
cbInBufferSize	DWORD	in	入力バッファのサイズ(バイト)。
lpOutBuffer	void*	outoptional	制御結果を受け取る出力バッファへのポインタ。不要ならNULL可。
cbOutBufferSize	DWORD	in	出力バッファのサイズ(バイト)。
lpBytesReturned	DWORD*	outoptional	出力バッファに書き込まれたバイト数を受け取る出力。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD ClusterAffinityRuleControl(
    HCLUSTER hCluster,
    LPCWSTR affinityRuleName,
    HNODE hHostNode,   // optional
    DWORD dwControlCode,
    void* lpInBuffer,   // optional
    DWORD cbInBufferSize,
    void* lpOutBuffer,   // optional
    DWORD cbOutBufferSize,
    DWORD* lpBytesReturned   // optional
);

[DllImport("CLUSAPI.dll", ExactSpelling = true)]
static extern uint ClusterAffinityRuleControl(
    IntPtr hCluster,   // HCLUSTER
    [MarshalAs(UnmanagedType.LPWStr)] string affinityRuleName,   // LPCWSTR
    IntPtr hHostNode,   // HNODE optional
    uint dwControlCode,   // DWORD
    IntPtr lpInBuffer,   // void* optional
    uint cbInBufferSize,   // DWORD
    IntPtr lpOutBuffer,   // void* optional, out
    uint cbOutBufferSize,   // DWORD
    IntPtr lpBytesReturned   // DWORD* optional, out
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterAffinityRuleControl(
    hCluster As IntPtr,   ' HCLUSTER
    <MarshalAs(UnmanagedType.LPWStr)> affinityRuleName As String,   ' LPCWSTR
    hHostNode As IntPtr,   ' HNODE optional
    dwControlCode As UInteger,   ' DWORD
    lpInBuffer As IntPtr,   ' void* optional
    cbInBufferSize As UInteger,   ' DWORD
    lpOutBuffer As IntPtr,   ' void* optional, out
    cbOutBufferSize As UInteger,   ' DWORD
    lpBytesReturned As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' hCluster : HCLUSTER
' affinityRuleName : LPCWSTR
' hHostNode : HNODE optional
' dwControlCode : DWORD
' lpInBuffer : void* optional
' cbInBufferSize : DWORD
' lpOutBuffer : void* optional, out
' cbOutBufferSize : DWORD
' lpBytesReturned : DWORD* optional, out
Declare PtrSafe Function ClusterAffinityRuleControl Lib "clusapi" ( _
    ByVal hCluster As LongPtr, _
    ByVal affinityRuleName As LongPtr, _
    ByVal hHostNode As LongPtr, _
    ByVal dwControlCode As Long, _
    ByVal lpInBuffer As LongPtr, _
    ByVal cbInBufferSize As Long, _
    ByVal lpOutBuffer As LongPtr, _
    ByVal cbOutBufferSize As Long, _
    ByVal lpBytesReturned 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

ClusterAffinityRuleControl = ctypes.windll.clusapi.ClusterAffinityRuleControl
ClusterAffinityRuleControl.restype = wintypes.DWORD
ClusterAffinityRuleControl.argtypes = [
    ctypes.c_ssize_t,  # hCluster : HCLUSTER
    wintypes.LPCWSTR,  # affinityRuleName : LPCWSTR
    ctypes.c_ssize_t,  # hHostNode : HNODE optional
    wintypes.DWORD,  # dwControlCode : DWORD
    ctypes.POINTER(None),  # lpInBuffer : void* optional
    wintypes.DWORD,  # cbInBufferSize : DWORD
    ctypes.POINTER(None),  # lpOutBuffer : void* optional, out
    wintypes.DWORD,  # cbOutBufferSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpBytesReturned : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterAffinityRuleControl = Fiddle::Function.new(
  lib['ClusterAffinityRuleControl'],
  [
    Fiddle::TYPE_INTPTR_T,  # hCluster : HCLUSTER
    Fiddle::TYPE_VOIDP,  # affinityRuleName : LPCWSTR
    Fiddle::TYPE_INTPTR_T,  # hHostNode : HNODE optional
    -Fiddle::TYPE_INT,  # dwControlCode : DWORD
    Fiddle::TYPE_VOIDP,  # lpInBuffer : void* optional
    -Fiddle::TYPE_INT,  # cbInBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpOutBuffer : void* optional, out
    -Fiddle::TYPE_INT,  # cbOutBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpBytesReturned : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterAffinityRuleControl(
        hCluster: isize,  // HCLUSTER
        affinityRuleName: *const u16,  // LPCWSTR
        hHostNode: isize,  // HNODE optional
        dwControlCode: u32,  // DWORD
        lpInBuffer: *mut (),  // void* optional
        cbInBufferSize: u32,  // DWORD
        lpOutBuffer: *mut (),  // void* optional, out
        cbOutBufferSize: u32,  // DWORD
        lpBytesReturned: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint ClusterAffinityRuleControl(IntPtr hCluster, [MarshalAs(UnmanagedType.LPWStr)] string affinityRuleName, IntPtr hHostNode, uint dwControlCode, IntPtr lpInBuffer, uint cbInBufferSize, IntPtr lpOutBuffer, uint cbOutBufferSize, IntPtr lpBytesReturned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterAffinityRuleControl' -Namespace Win32 -PassThru
# $api::ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)

#uselib "CLUSAPI.dll"
#func global ClusterAffinityRuleControl "ClusterAffinityRuleControl" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; ClusterAffinityRuleControl hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, varptr(lpBytesReturned)   ; 戻り値は stat
; hCluster : HCLUSTER -> "sptr"
; affinityRuleName : LPCWSTR -> "sptr"
; hHostNode : HNODE optional -> "sptr"
; dwControlCode : DWORD -> "sptr"
; lpInBuffer : void* optional -> "sptr"
; cbInBufferSize : DWORD -> "sptr"
; lpOutBuffer : void* optional, out -> "sptr"
; cbOutBufferSize : DWORD -> "sptr"
; lpBytesReturned : DWORD* optional, 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 "CLUSAPI.dll"
#cfunc global ClusterAffinityRuleControl "ClusterAffinityRuleControl" sptr, wstr, sptr, int, sptr, int, sptr, int, var
; res = ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
; hCluster : HCLUSTER -> "sptr"
; affinityRuleName : LPCWSTR -> "wstr"
; hHostNode : HNODE optional -> "sptr"
; dwControlCode : DWORD -> "int"
; lpInBuffer : void* optional -> "sptr"
; cbInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "sptr"
; cbOutBufferSize : DWORD -> "int"
; lpBytesReturned : DWORD* optional, 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 "CLUSAPI.dll"
#cfunc global ClusterAffinityRuleControl "ClusterAffinityRuleControl" sptr, wstr, sptr, int, sptr, int, sptr, int, sptr
; res = ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, varptr(lpBytesReturned))
; hCluster : HCLUSTER -> "sptr"
; affinityRuleName : LPCWSTR -> "wstr"
; hHostNode : HNODE optional -> "sptr"
; dwControlCode : DWORD -> "int"
; lpInBuffer : void* optional -> "sptr"
; cbInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "sptr"
; cbOutBufferSize : DWORD -> "int"
; lpBytesReturned : DWORD* optional, 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 ClusterAffinityRuleControl(HCLUSTER hCluster, LPCWSTR affinityRuleName, HNODE hHostNode, DWORD dwControlCode, void* lpInBuffer, DWORD cbInBufferSize, void* lpOutBuffer, DWORD cbOutBufferSize, DWORD* lpBytesReturned)
#uselib "CLUSAPI.dll"
#cfunc global ClusterAffinityRuleControl "ClusterAffinityRuleControl" intptr, wstr, intptr, int, intptr, int, intptr, int, var
; res = ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
; hCluster : HCLUSTER -> "intptr"
; affinityRuleName : LPCWSTR -> "wstr"
; hHostNode : HNODE optional -> "intptr"
; dwControlCode : DWORD -> "int"
; lpInBuffer : void* optional -> "intptr"
; cbInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "intptr"
; cbOutBufferSize : DWORD -> "int"
; lpBytesReturned : DWORD* optional, 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 ClusterAffinityRuleControl(HCLUSTER hCluster, LPCWSTR affinityRuleName, HNODE hHostNode, DWORD dwControlCode, void* lpInBuffer, DWORD cbInBufferSize, void* lpOutBuffer, DWORD cbOutBufferSize, DWORD* lpBytesReturned)
#uselib "CLUSAPI.dll"
#cfunc global ClusterAffinityRuleControl "ClusterAffinityRuleControl" intptr, wstr, intptr, int, intptr, int, intptr, int, intptr
; res = ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, varptr(lpBytesReturned))
; hCluster : HCLUSTER -> "intptr"
; affinityRuleName : LPCWSTR -> "wstr"
; hHostNode : HNODE optional -> "intptr"
; dwControlCode : DWORD -> "int"
; lpInBuffer : void* optional -> "intptr"
; cbInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "intptr"
; cbOutBufferSize : DWORD -> "int"
; lpBytesReturned : DWORD* optional, 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 (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterAffinityRuleControl = clusapi.NewProc("ClusterAffinityRuleControl")
)

// hCluster (HCLUSTER), affinityRuleName (LPCWSTR), hHostNode (HNODE optional), dwControlCode (DWORD), lpInBuffer (void* optional), cbInBufferSize (DWORD), lpOutBuffer (void* optional, out), cbOutBufferSize (DWORD), lpBytesReturned (DWORD* optional, out)
r1, _, err := procClusterAffinityRuleControl.Call(
	uintptr(hCluster),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(affinityRuleName))),
	uintptr(hHostNode),
	uintptr(dwControlCode),
	uintptr(lpInBuffer),
	uintptr(cbInBufferSize),
	uintptr(lpOutBuffer),
	uintptr(cbOutBufferSize),
	uintptr(lpBytesReturned),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ClusterAffinityRuleControl(
  hCluster: NativeInt;   // HCLUSTER
  affinityRuleName: PWideChar;   // LPCWSTR
  hHostNode: NativeInt;   // HNODE optional
  dwControlCode: DWORD;   // DWORD
  lpInBuffer: Pointer;   // void* optional
  cbInBufferSize: DWORD;   // DWORD
  lpOutBuffer: Pointer;   // void* optional, out
  cbOutBufferSize: DWORD;   // DWORD
  lpBytesReturned: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterAffinityRuleControl';

result := DllCall("CLUSAPI\ClusterAffinityRuleControl"
    , "Ptr", hCluster   ; HCLUSTER
    , "WStr", affinityRuleName   ; LPCWSTR
    , "Ptr", hHostNode   ; HNODE optional
    , "UInt", dwControlCode   ; DWORD
    , "Ptr", lpInBuffer   ; void* optional
    , "UInt", cbInBufferSize   ; DWORD
    , "Ptr", lpOutBuffer   ; void* optional, out
    , "UInt", cbOutBufferSize   ; DWORD
    , "Ptr", lpBytesReturned   ; DWORD* optional, out
    , "UInt")   ; return: DWORD

●ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned) = DLL("CLUSAPI.dll", "dword ClusterAffinityRuleControl(int, char*, int, dword, void*, dword, void*, dword, void*)")
# 呼び出し: ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
# hCluster : HCLUSTER -> "int"
# affinityRuleName : LPCWSTR -> "char*"
# hHostNode : HNODE optional -> "int"
# dwControlCode : DWORD -> "dword"
# lpInBuffer : void* optional -> "void*"
# cbInBufferSize : DWORD -> "dword"
# lpOutBuffer : void* optional, out -> "void*"
# cbOutBufferSize : DWORD -> "dword"
# lpBytesReturned : DWORD* optional, 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 "clusapi" fn ClusterAffinityRuleControl(
    hCluster: isize, // HCLUSTER
    affinityRuleName: [*c]const u16, // LPCWSTR
    hHostNode: isize, // HNODE optional
    dwControlCode: u32, // DWORD
    lpInBuffer: ?*anyopaque, // void* optional
    cbInBufferSize: u32, // DWORD
    lpOutBuffer: ?*anyopaque, // void* optional, out
    cbOutBufferSize: u32, // DWORD
    lpBytesReturned: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc ClusterAffinityRuleControl(
    hCluster: int,  # HCLUSTER
    affinityRuleName: WideCString,  # LPCWSTR
    hHostNode: int,  # HNODE optional
    dwControlCode: uint32,  # DWORD
    lpInBuffer: pointer,  # void* optional
    cbInBufferSize: uint32,  # DWORD
    lpOutBuffer: pointer,  # void* optional, out
    cbOutBufferSize: uint32,  # DWORD
    lpBytesReturned: ptr uint32  # DWORD* optional, out
): uint32 {.importc: "ClusterAffinityRuleControl", stdcall, dynlib: "CLUSAPI.dll".}

pragma(lib, "clusapi");
extern(Windows)
uint ClusterAffinityRuleControl(
    ptrdiff_t hCluster,   // HCLUSTER
    const(wchar)* affinityRuleName,   // LPCWSTR
    ptrdiff_t hHostNode,   // HNODE optional
    uint dwControlCode,   // DWORD
    void* lpInBuffer,   // void* optional
    uint cbInBufferSize,   // DWORD
    void* lpOutBuffer,   // void* optional, out
    uint cbOutBufferSize,   // DWORD
    uint* lpBytesReturned   // DWORD* optional, out
);

ccall((:ClusterAffinityRuleControl, "CLUSAPI.dll"), stdcall, UInt32,
      (Int, Cwstring, Int, UInt32, Ptr{Cvoid}, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
# hCluster : HCLUSTER -> Int
# affinityRuleName : LPCWSTR -> Cwstring
# hHostNode : HNODE optional -> Int
# dwControlCode : DWORD -> UInt32
# lpInBuffer : void* optional -> Ptr{Cvoid}
# cbInBufferSize : DWORD -> UInt32
# lpOutBuffer : void* optional, out -> Ptr{Cvoid}
# cbOutBufferSize : DWORD -> UInt32
# lpBytesReturned : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t ClusterAffinityRuleControl(
    intptr_t hCluster,
    const uint16_t* affinityRuleName,
    intptr_t hHostNode,
    uint32_t dwControlCode,
    void* lpInBuffer,
    uint32_t cbInBufferSize,
    void* lpOutBuffer,
    uint32_t cbOutBufferSize,
    uint32_t* lpBytesReturned);
]]
local clusapi = ffi.load("clusapi")
-- clusapi.ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
-- hCluster : HCLUSTER
-- affinityRuleName : LPCWSTR
-- hHostNode : HNODE optional
-- dwControlCode : DWORD
-- lpInBuffer : void* optional
-- cbInBufferSize : DWORD
-- lpOutBuffer : void* optional, out
-- cbOutBufferSize : DWORD
-- lpBytesReturned : DWORD* optional, 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('CLUSAPI.dll');
const ClusterAffinityRuleControl = lib.func('__stdcall', 'ClusterAffinityRuleControl', 'uint32_t', ['intptr_t', 'str16', 'intptr_t', 'uint32_t', 'void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
// hCluster : HCLUSTER -> 'intptr_t'
// affinityRuleName : LPCWSTR -> 'str16'
// hHostNode : HNODE optional -> 'intptr_t'
// dwControlCode : DWORD -> 'uint32_t'
// lpInBuffer : void* optional -> 'void *'
// cbInBufferSize : DWORD -> 'uint32_t'
// lpOutBuffer : void* optional, out -> 'void *'
// cbOutBufferSize : DWORD -> 'uint32_t'
// lpBytesReturned : DWORD* optional, 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("CLUSAPI.dll", {
  ClusterAffinityRuleControl: { parameters: ["isize", "buffer", "isize", "u32", "pointer", "u32", "pointer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
// hCluster : HCLUSTER -> "isize"
// affinityRuleName : LPCWSTR -> "buffer"
// hHostNode : HNODE optional -> "isize"
// dwControlCode : DWORD -> "u32"
// lpInBuffer : void* optional -> "pointer"
// cbInBufferSize : DWORD -> "u32"
// lpOutBuffer : void* optional, out -> "pointer"
// cbOutBufferSize : DWORD -> "u32"
// lpBytesReturned : DWORD* optional, 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 ClusterAffinityRuleControl(
    intptr_t hCluster,
    const uint16_t* affinityRuleName,
    intptr_t hHostNode,
    uint32_t dwControlCode,
    void* lpInBuffer,
    uint32_t cbInBufferSize,
    void* lpOutBuffer,
    uint32_t cbOutBufferSize,
    uint32_t* lpBytesReturned);
C, "CLUSAPI.dll");
// $ffi->ClusterAffinityRuleControl(hCluster, affinityRuleName, hHostNode, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned);
// hCluster : HCLUSTER
// affinityRuleName : LPCWSTR
// hHostNode : HNODE optional
// dwControlCode : DWORD
// lpInBuffer : void* optional
// cbInBufferSize : DWORD
// lpOutBuffer : void* optional, out
// cbOutBufferSize : DWORD
// lpBytesReturned : DWORD* optional, 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 Clusapi extends StdCallLibrary {
    Clusapi INSTANCE = Native.load("clusapi", Clusapi.class);
    int ClusterAffinityRuleControl(
        long hCluster,   // HCLUSTER
        WString affinityRuleName,   // LPCWSTR
        long hHostNode,   // HNODE optional
        int dwControlCode,   // DWORD
        Pointer lpInBuffer,   // void* optional
        int cbInBufferSize,   // DWORD
        Pointer lpOutBuffer,   // void* optional, out
        int cbOutBufferSize,   // DWORD
        IntByReference lpBytesReturned   // DWORD* optional, out
    );
}

@[Link("clusapi")]
lib LibCLUSAPI
  fun ClusterAffinityRuleControl = ClusterAffinityRuleControl(
    hCluster : LibC::SSizeT,   # HCLUSTER
    affinityRuleName : UInt16*,   # LPCWSTR
    hHostNode : LibC::SSizeT,   # HNODE optional
    dwControlCode : UInt32,   # DWORD
    lpInBuffer : Void*,   # void* optional
    cbInBufferSize : UInt32,   # DWORD
    lpOutBuffer : Void*,   # void* optional, out
    cbOutBufferSize : UInt32,   # DWORD
    lpBytesReturned : UInt32*   # DWORD* optional, 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 ClusterAffinityRuleControlNative = Uint32 Function(IntPtr, Pointer<Utf16>, IntPtr, Uint32, Pointer<Void>, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef ClusterAffinityRuleControlDart = int Function(int, Pointer<Utf16>, int, int, Pointer<Void>, int, Pointer<Void>, int, Pointer<Uint32>);
final ClusterAffinityRuleControl = DynamicLibrary.open('CLUSAPI.dll')
    .lookupFunction<ClusterAffinityRuleControlNative, ClusterAffinityRuleControlDart>('ClusterAffinityRuleControl');
// hCluster : HCLUSTER -> IntPtr
// affinityRuleName : LPCWSTR -> Pointer<Utf16>
// hHostNode : HNODE optional -> IntPtr
// dwControlCode : DWORD -> Uint32
// lpInBuffer : void* optional -> Pointer<Void>
// cbInBufferSize : DWORD -> Uint32
// lpOutBuffer : void* optional, out -> Pointer<Void>
// cbOutBufferSize : DWORD -> Uint32
// lpBytesReturned : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ClusterAffinityRuleControl(
  hCluster: NativeInt;   // HCLUSTER
  affinityRuleName: PWideChar;   // LPCWSTR
  hHostNode: NativeInt;   // HNODE optional
  dwControlCode: DWORD;   // DWORD
  lpInBuffer: Pointer;   // void* optional
  cbInBufferSize: DWORD;   // DWORD
  lpOutBuffer: Pointer;   // void* optional, out
  cbOutBufferSize: DWORD;   // DWORD
  lpBytesReturned: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'ClusterAffinityRuleControl';

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

foreign import stdcall safe "ClusterAffinityRuleControl"
  c_ClusterAffinityRuleControl :: CIntPtr -> CWString -> CIntPtr -> Word32 -> Ptr () -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO Word32
-- hCluster : HCLUSTER -> CIntPtr
-- affinityRuleName : LPCWSTR -> CWString
-- hHostNode : HNODE optional -> CIntPtr
-- dwControlCode : DWORD -> Word32
-- lpInBuffer : void* optional -> Ptr ()
-- cbInBufferSize : DWORD -> Word32
-- lpOutBuffer : void* optional, out -> Ptr ()
-- cbOutBufferSize : DWORD -> Word32
-- lpBytesReturned : DWORD* optional, 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 clusteraffinityrulecontrol =
  foreign "ClusterAffinityRuleControl"
    (intptr_t @-> (ptr uint16_t) @-> intptr_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning uint32_t)
(* hCluster : HCLUSTER -> intptr_t *)
(* affinityRuleName : LPCWSTR -> (ptr uint16_t) *)
(* hHostNode : HNODE optional -> intptr_t *)
(* dwControlCode : DWORD -> uint32_t *)
(* lpInBuffer : void* optional -> (ptr void) *)
(* cbInBufferSize : DWORD -> uint32_t *)
(* lpOutBuffer : void* optional, out -> (ptr void) *)
(* cbOutBufferSize : DWORD -> uint32_t *)
(* lpBytesReturned : DWORD* optional, 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 clusapi (t "CLUSAPI.dll"))
(cffi:use-foreign-library clusapi)

(cffi:defcfun ("ClusterAffinityRuleControl" cluster-affinity-rule-control :convention :stdcall) :uint32
  (h-cluster :int64)   ; HCLUSTER
  (affinity-rule-name (:string :encoding :utf-16le))   ; LPCWSTR
  (h-host-node :int64)   ; HNODE optional
  (dw-control-code :uint32)   ; DWORD
  (lp-in-buffer :pointer)   ; void* optional
  (cb-in-buffer-size :uint32)   ; DWORD
  (lp-out-buffer :pointer)   ; void* optional, out
  (cb-out-buffer-size :uint32)   ; DWORD
  (lp-bytes-returned :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ClusterAffinityRuleControl = Win32::API::More->new('CLUSAPI',
    'DWORD ClusterAffinityRuleControl(LPARAM hCluster, LPCWSTR affinityRuleName, LPARAM hHostNode, DWORD dwControlCode, LPVOID lpInBuffer, DWORD cbInBufferSize, LPVOID lpOutBuffer, DWORD cbOutBufferSize, LPVOID lpBytesReturned)');
# my $ret = $ClusterAffinityRuleControl->Call($hCluster, $affinityRuleName, $hHostNode, $dwControlCode, $lpInBuffer, $cbInBufferSize, $lpOutBuffer, $cbOutBufferSize, $lpBytesReturned);
# hCluster : HCLUSTER -> LPARAM
# affinityRuleName : LPCWSTR -> LPCWSTR
# hHostNode : HNODE optional -> LPARAM
# dwControlCode : DWORD -> DWORD
# lpInBuffer : void* optional -> LPVOID
# cbInBufferSize : DWORD -> DWORD
# lpOutBuffer : void* optional, out -> LPVOID
# cbOutBufferSize : DWORD -> DWORD
# lpBytesReturned : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。