FwpmNetEventSubscribe4

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

DWORD FwpmNetEventSubscribe4(
    FWPM_ENGINE_HANDLE engineHandle,
    const FWPM_NET_EVENT_SUBSCRIPTION0* subscription,
    FWPM_NET_EVENT_CALLBACK4 callback,
    void* context,   // optional
    HANDLE* eventsHandle
);

<DllImport("fwpuclnt.dll", ExactSpelling:=True)>
Public Shared Function FwpmNetEventSubscribe4(
    engineHandle As FWPM_ENGINE_HANDLE,   ' FWPM_ENGINE_HANDLE
    subscription As IntPtr,   ' FWPM_NET_EVENT_SUBSCRIPTION0*
    callback As IntPtr,   ' FWPM_NET_EVENT_CALLBACK4
    context As IntPtr,   ' void* optional
    eventsHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function

' engineHandle : FWPM_ENGINE_HANDLE
' subscription : FWPM_NET_EVENT_SUBSCRIPTION0*
' callback : FWPM_NET_EVENT_CALLBACK4
' context : void* optional
' eventsHandle : HANDLE* out
Declare PtrSafe Function FwpmNetEventSubscribe4 Lib "fwpuclnt" ( _
    ByVal engineHandle As LongPtr, _
    ByVal subscription As LongPtr, _
    ByVal callback As LongPtr, _
    ByVal context As LongPtr, _
    ByVal eventsHandle 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

FwpmNetEventSubscribe4 = ctypes.windll.fwpuclnt.FwpmNetEventSubscribe4
FwpmNetEventSubscribe4.restype = wintypes.DWORD
FwpmNetEventSubscribe4.argtypes = [
    FWPM_ENGINE_HANDLE,  # engineHandle : FWPM_ENGINE_HANDLE
    ctypes.c_void_p,  # subscription : FWPM_NET_EVENT_SUBSCRIPTION0*
    ctypes.c_void_p,  # callback : FWPM_NET_EVENT_CALLBACK4
    ctypes.POINTER(None),  # context : void* optional
    ctypes.c_void_p,  # eventsHandle : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('fwpuclnt.dll')
FwpmNetEventSubscribe4 = Fiddle::Function.new(
  lib['FwpmNetEventSubscribe4'],
  [
    Fiddle::TYPE_VOIDP,  # engineHandle : FWPM_ENGINE_HANDLE
    Fiddle::TYPE_VOIDP,  # subscription : FWPM_NET_EVENT_SUBSCRIPTION0*
    Fiddle::TYPE_VOIDP,  # callback : FWPM_NET_EVENT_CALLBACK4
    Fiddle::TYPE_VOIDP,  # context : void* optional
    Fiddle::TYPE_VOIDP,  # eventsHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "fwpuclnt")]
extern "system" {
    fn FwpmNetEventSubscribe4(
        engineHandle: FWPM_ENGINE_HANDLE,  // FWPM_ENGINE_HANDLE
        subscription: *const FWPM_NET_EVENT_SUBSCRIPTION0,  // FWPM_NET_EVENT_SUBSCRIPTION0*
        callback: *const core::ffi::c_void,  // FWPM_NET_EVENT_CALLBACK4
        context: *mut (),  // void* optional
        eventsHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("fwpuclnt.dll")]
public static extern uint FwpmNetEventSubscribe4(FWPM_ENGINE_HANDLE engineHandle, IntPtr subscription, IntPtr callback, IntPtr context, IntPtr eventsHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'fwpuclnt_FwpmNetEventSubscribe4' -Namespace Win32 -PassThru
# $api::FwpmNetEventSubscribe4(engineHandle, subscription, callback, context, eventsHandle)

#uselib "fwpuclnt.dll"
#func global FwpmNetEventSubscribe4 "FwpmNetEventSubscribe4" sptr, sptr, sptr, sptr, sptr
; FwpmNetEventSubscribe4 engineHandle, varptr(subscription), callback, context, eventsHandle   ; 戻り値は stat
; engineHandle : FWPM_ENGINE_HANDLE -> "sptr"
; subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> "sptr"
; callback : FWPM_NET_EVENT_CALLBACK4 -> "sptr"
; context : void* optional -> "sptr"
; eventsHandle : HANDLE* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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。

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

var (
	fwpuclnt = windows.NewLazySystemDLL("fwpuclnt.dll")
	procFwpmNetEventSubscribe4 = fwpuclnt.NewProc("FwpmNetEventSubscribe4")
)

// engineHandle (FWPM_ENGINE_HANDLE), subscription (FWPM_NET_EVENT_SUBSCRIPTION0*), callback (FWPM_NET_EVENT_CALLBACK4), context (void* optional), eventsHandle (HANDLE* out)
r1, _, err := procFwpmNetEventSubscribe4.Call(
	uintptr(engineHandle),
	uintptr(subscription),
	uintptr(callback),
	uintptr(context),
	uintptr(eventsHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function FwpmNetEventSubscribe4(
  engineHandle: FWPM_ENGINE_HANDLE;   // FWPM_ENGINE_HANDLE
  subscription: Pointer;   // FWPM_NET_EVENT_SUBSCRIPTION0*
  callback: Pointer;   // FWPM_NET_EVENT_CALLBACK4
  context: Pointer;   // void* optional
  eventsHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'fwpuclnt.dll' name 'FwpmNetEventSubscribe4';

result := DllCall("fwpuclnt\FwpmNetEventSubscribe4"
    , "Ptr", engineHandle   ; FWPM_ENGINE_HANDLE
    , "Ptr", subscription   ; FWPM_NET_EVENT_SUBSCRIPTION0*
    , "Ptr", callback   ; FWPM_NET_EVENT_CALLBACK4
    , "Ptr", context   ; void* optional
    , "Ptr", eventsHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD

●FwpmNetEventSubscribe4(engineHandle, subscription, callback, context, eventsHandle) = DLL("fwpuclnt.dll", "dword FwpmNetEventSubscribe4(void*, void*, void*, void*, void*)")
# 呼び出し: FwpmNetEventSubscribe4(engineHandle, subscription, callback, context, eventsHandle)
# engineHandle : FWPM_ENGINE_HANDLE -> "void*"
# subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> "void*"
# callback : FWPM_NET_EVENT_CALLBACK4 -> "void*"
# context : void* optional -> "void*"
# eventsHandle : HANDLE* 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 "fwpuclnt" fn FwpmNetEventSubscribe4(
    engineHandle: FWPM_ENGINE_HANDLE, // FWPM_ENGINE_HANDLE
    subscription: [*c]FWPM_NET_EVENT_SUBSCRIPTION0, // FWPM_NET_EVENT_SUBSCRIPTION0*
    callback: ?*anyopaque, // FWPM_NET_EVENT_CALLBACK4
    context: ?*anyopaque, // void* optional
    eventsHandle: ?*anyopaque // HANDLE* out
) callconv(std.os.windows.WINAPI) u32;

proc FwpmNetEventSubscribe4(
    engineHandle: FWPM_ENGINE_HANDLE,  # FWPM_ENGINE_HANDLE
    subscription: ptr FWPM_NET_EVENT_SUBSCRIPTION0,  # FWPM_NET_EVENT_SUBSCRIPTION0*
    callback: pointer,  # FWPM_NET_EVENT_CALLBACK4
    context: pointer,  # void* optional
    eventsHandle: pointer  # HANDLE* out
): uint32 {.importc: "FwpmNetEventSubscribe4", stdcall, dynlib: "fwpuclnt.dll".}

pragma(lib, "fwpuclnt");
extern(Windows)
uint FwpmNetEventSubscribe4(
    FWPM_ENGINE_HANDLE engineHandle,   // FWPM_ENGINE_HANDLE
    FWPM_NET_EVENT_SUBSCRIPTION0* subscription,   // FWPM_NET_EVENT_SUBSCRIPTION0*
    void* callback,   // FWPM_NET_EVENT_CALLBACK4
    void* context,   // void* optional
    void* eventsHandle   // HANDLE* out
);

ccall((:FwpmNetEventSubscribe4, "fwpuclnt.dll"), stdcall, UInt32,
      (FWPM_ENGINE_HANDLE, Ptr{FWPM_NET_EVENT_SUBSCRIPTION0}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}),
      engineHandle, subscription, callback, context, eventsHandle)
# engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE
# subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> Ptr{FWPM_NET_EVENT_SUBSCRIPTION0}
# callback : FWPM_NET_EVENT_CALLBACK4 -> Ptr{Cvoid}
# context : void* optional -> Ptr{Cvoid}
# eventsHandle : HANDLE* 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 FwpmNetEventSubscribe4(
    FWPM_ENGINE_HANDLE engineHandle,
    void* subscription,
    void* callback,
    void* context,
    void* eventsHandle);
]]
local fwpuclnt = ffi.load("fwpuclnt")
-- fwpuclnt.FwpmNetEventSubscribe4(engineHandle, subscription, callback, context, eventsHandle)
-- engineHandle : FWPM_ENGINE_HANDLE
-- subscription : FWPM_NET_EVENT_SUBSCRIPTION0*
-- callback : FWPM_NET_EVENT_CALLBACK4
-- context : void* optional
-- eventsHandle : HANDLE* 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('fwpuclnt.dll');
const FwpmNetEventSubscribe4 = lib.func('__stdcall', 'FwpmNetEventSubscribe4', 'uint32_t', ['FWPM_ENGINE_HANDLE', 'void *', 'void *', 'void *', 'void *']);
// FwpmNetEventSubscribe4(engineHandle, subscription, callback, context, eventsHandle)
// engineHandle : FWPM_ENGINE_HANDLE -> 'FWPM_ENGINE_HANDLE'
// subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> 'void *'
// callback : FWPM_NET_EVENT_CALLBACK4 -> 'void *'
// context : void* optional -> 'void *'
// eventsHandle : HANDLE* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("fwpuclnt.dll", {
  FwpmNetEventSubscribe4: { parameters: ["buffer", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.FwpmNetEventSubscribe4(engineHandle, subscription, callback, context, eventsHandle)
// engineHandle : FWPM_ENGINE_HANDLE -> "buffer"
// subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> "pointer"
// callback : FWPM_NET_EVENT_CALLBACK4 -> "pointer"
// context : void* optional -> "pointer"
// eventsHandle : HANDLE* 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 FwpmNetEventSubscribe4(
    FWPM_ENGINE_HANDLE engineHandle,
    void* subscription,
    void* callback,
    void* context,
    void* eventsHandle);
C, "fwpuclnt.dll");
// $ffi->FwpmNetEventSubscribe4(engineHandle, subscription, callback, context, eventsHandle);
// engineHandle : FWPM_ENGINE_HANDLE
// subscription : FWPM_NET_EVENT_SUBSCRIPTION0*
// callback : FWPM_NET_EVENT_CALLBACK4
// context : void* optional
// eventsHandle : HANDLE* 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 Fwpuclnt extends StdCallLibrary {
    Fwpuclnt INSTANCE = Native.load("fwpuclnt", Fwpuclnt.class);
    int FwpmNetEventSubscribe4(
        FWPM_ENGINE_HANDLE /* extends Structure (by value) */ engineHandle,   // FWPM_ENGINE_HANDLE
        Pointer subscription,   // FWPM_NET_EVENT_SUBSCRIPTION0*
        Callback callback,   // FWPM_NET_EVENT_CALLBACK4
        Pointer context,   // void* optional
        Pointer eventsHandle   // HANDLE* out
    );
}

@[Link("fwpuclnt")]
lib Libfwpuclnt
  fun FwpmNetEventSubscribe4 = FwpmNetEventSubscribe4(
    engineHandle : FWPM_ENGINE_HANDLE,   # FWPM_ENGINE_HANDLE
    subscription : FWPM_NET_EVENT_SUBSCRIPTION0*,   # FWPM_NET_EVENT_SUBSCRIPTION0*
    callback : Void*,   # FWPM_NET_EVENT_CALLBACK4
    context : Void*,   # void* optional
    eventsHandle : Void*   # HANDLE* 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 FwpmNetEventSubscribe4Native = Uint32 Function(FWPM_ENGINE_HANDLE, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef FwpmNetEventSubscribe4Dart = int Function(int, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final FwpmNetEventSubscribe4 = DynamicLibrary.open('fwpuclnt.dll')
    .lookupFunction<FwpmNetEventSubscribe4Native, FwpmNetEventSubscribe4Dart>('FwpmNetEventSubscribe4');
// engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE
// subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> Pointer<Void>
// callback : FWPM_NET_EVENT_CALLBACK4 -> Pointer<Void>
// context : void* optional -> Pointer<Void>
// eventsHandle : HANDLE* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function FwpmNetEventSubscribe4(
  engineHandle: FWPM_ENGINE_HANDLE;   // FWPM_ENGINE_HANDLE
  subscription: Pointer;   // FWPM_NET_EVENT_SUBSCRIPTION0*
  callback: Pointer;   // FWPM_NET_EVENT_CALLBACK4
  context: Pointer;   // void* optional
  eventsHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'fwpuclnt.dll' name 'FwpmNetEventSubscribe4';

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

foreign import stdcall safe "FwpmNetEventSubscribe4"
  c_FwpmNetEventSubscribe4 :: FWPM_ENGINE_HANDLE -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Word32
-- engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE
-- subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> Ptr ()
-- callback : FWPM_NET_EVENT_CALLBACK4 -> Ptr ()
-- context : void* optional -> Ptr ()
-- eventsHandle : HANDLE* 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。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。

open Ctypes
open Foreign

let fwpmneteventsubscribe4 =
  foreign "FwpmNetEventSubscribe4"
    (FWPM_ENGINE_HANDLE @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE *)
(* subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> (ptr void) *)
(* callback : FWPM_NET_EVENT_CALLBACK4 -> (ptr void) *)
(* context : void* optional -> (ptr void) *)
(* eventsHandle : HANDLE* 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 fwpuclnt (t "fwpuclnt.dll"))
(cffi:use-foreign-library fwpuclnt)

(cffi:defcfun ("FwpmNetEventSubscribe4" fwpm-net-event-subscribe4 :convention :stdcall) :uint32
  (engine-handle (:struct fwpm-engine-handle))   ; FWPM_ENGINE_HANDLE
  (subscription :pointer)   ; FWPM_NET_EVENT_SUBSCRIPTION0*
  (callback :pointer)   ; FWPM_NET_EVENT_CALLBACK4
  (context :pointer)   ; void* optional
  (events-handle :pointer))   ; HANDLE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FwpmNetEventSubscribe4 = Win32::API::More->new('fwpuclnt',
    'DWORD FwpmNetEventSubscribe4(LPVOID engineHandle, LPVOID subscription, LPVOID callback, LPVOID context, HANDLE eventsHandle)');
# my $ret = $FwpmNetEventSubscribe4->Call($engineHandle, $subscription, $callback, $context, $eventsHandle);
# engineHandle : FWPM_ENGINE_HANDLE -> LPVOID
# subscription : FWPM_NET_EVENT_SUBSCRIPTION0* -> LPVOID
# callback : FWPM_NET_EVENT_CALLBACK4 -> LPVOID
# context : void* optional -> LPVOID
# eventsHandle : HANDLE* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。