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PeerGraphOpen

関数

既存のピアグラフを開く。

DLLP2PGRAPH.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// P2PGRAPH.dll
#include <windows.h>

HRESULT PeerGraphOpen(
    LPCWSTR pwzGraphId,
    LPCWSTR pwzPeerId,
    LPCWSTR pwzDatabaseName,
    PEER_SECURITY_INTERFACE* pSecurityInterface,   // optional
    DWORD cRecordTypeSyncPrecedence,
    const GUID* pRecordTypeSyncPrecedence,   // optional
    void** phGraph
);

パラメーター

名前	型	方向	説明
pwzGraphId	LPCWSTR	in	開くグラフの識別子を指定する。
pwzPeerId	LPCWSTR	in	このノードのピア識別子を指定する。NULL可。
pwzDatabaseName	LPCWSTR	in	グラフのレコードを格納するデータベース名を指定する。NULL可。
pSecurityInterface	PEER_SECURITY_INTERFACE*	inoptional	セキュリティコールバックを定義するPEER_SECURITY_INTERFACE構造体へのポインター。NULL可。
cRecordTypeSyncPrecedence	DWORD	in	pRecordTypeSyncPrecedence配列の要素数を指定する。
pRecordTypeSyncPrecedence	GUID*	inoptional	同期の優先順位を定めるレコードタイプGUID配列へのポインター。
phGraph	void**	out	開いたグラフのハンドルを受け取るポインター。

戻り値の型: HRESULT

各言語での呼び出し定義

// P2PGRAPH.dll
#include <windows.h>

HRESULT PeerGraphOpen(
    LPCWSTR pwzGraphId,
    LPCWSTR pwzPeerId,
    LPCWSTR pwzDatabaseName,
    PEER_SECURITY_INTERFACE* pSecurityInterface,   // optional
    DWORD cRecordTypeSyncPrecedence,
    const GUID* pRecordTypeSyncPrecedence,   // optional
    void** phGraph
);

[DllImport("P2PGRAPH.dll", ExactSpelling = true)]
static extern int PeerGraphOpen(
    [MarshalAs(UnmanagedType.LPWStr)] string pwzGraphId,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string pwzPeerId,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string pwzDatabaseName,   // LPCWSTR
    IntPtr pSecurityInterface,   // PEER_SECURITY_INTERFACE* optional
    uint cRecordTypeSyncPrecedence,   // DWORD
    IntPtr pRecordTypeSyncPrecedence,   // GUID* optional
    IntPtr phGraph   // void** out
);

<DllImport("P2PGRAPH.dll", ExactSpelling:=True)>
Public Shared Function PeerGraphOpen(
    <MarshalAs(UnmanagedType.LPWStr)> pwzGraphId As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwzPeerId As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwzDatabaseName As String,   ' LPCWSTR
    pSecurityInterface As IntPtr,   ' PEER_SECURITY_INTERFACE* optional
    cRecordTypeSyncPrecedence As UInteger,   ' DWORD
    pRecordTypeSyncPrecedence As IntPtr,   ' GUID* optional
    phGraph As IntPtr   ' void** out
) As Integer
End Function

' pwzGraphId : LPCWSTR
' pwzPeerId : LPCWSTR
' pwzDatabaseName : LPCWSTR
' pSecurityInterface : PEER_SECURITY_INTERFACE* optional
' cRecordTypeSyncPrecedence : DWORD
' pRecordTypeSyncPrecedence : GUID* optional
' phGraph : void** out
Declare PtrSafe Function PeerGraphOpen Lib "p2pgraph" ( _
    ByVal pwzGraphId As LongPtr, _
    ByVal pwzPeerId As LongPtr, _
    ByVal pwzDatabaseName As LongPtr, _
    ByVal pSecurityInterface As LongPtr, _
    ByVal cRecordTypeSyncPrecedence As Long, _
    ByVal pRecordTypeSyncPrecedence As LongPtr, _
    ByVal phGraph 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

PeerGraphOpen = ctypes.windll.p2pgraph.PeerGraphOpen
PeerGraphOpen.restype = ctypes.c_int
PeerGraphOpen.argtypes = [
    wintypes.LPCWSTR,  # pwzGraphId : LPCWSTR
    wintypes.LPCWSTR,  # pwzPeerId : LPCWSTR
    wintypes.LPCWSTR,  # pwzDatabaseName : LPCWSTR
    ctypes.c_void_p,  # pSecurityInterface : PEER_SECURITY_INTERFACE* optional
    wintypes.DWORD,  # cRecordTypeSyncPrecedence : DWORD
    ctypes.c_void_p,  # pRecordTypeSyncPrecedence : GUID* optional
    ctypes.c_void_p,  # phGraph : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2PGRAPH.dll')
PeerGraphOpen = Fiddle::Function.new(
  lib['PeerGraphOpen'],
  [
    Fiddle::TYPE_VOIDP,  # pwzGraphId : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwzPeerId : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwzDatabaseName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pSecurityInterface : PEER_SECURITY_INTERFACE* optional
    -Fiddle::TYPE_INT,  # cRecordTypeSyncPrecedence : DWORD
    Fiddle::TYPE_VOIDP,  # pRecordTypeSyncPrecedence : GUID* optional
    Fiddle::TYPE_VOIDP,  # phGraph : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2pgraph")]
extern "system" {
    fn PeerGraphOpen(
        pwzGraphId: *const u16,  // LPCWSTR
        pwzPeerId: *const u16,  // LPCWSTR
        pwzDatabaseName: *const u16,  // LPCWSTR
        pSecurityInterface: *mut PEER_SECURITY_INTERFACE,  // PEER_SECURITY_INTERFACE* optional
        cRecordTypeSyncPrecedence: u32,  // DWORD
        pRecordTypeSyncPrecedence: *const GUID,  // GUID* optional
        phGraph: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2PGRAPH.dll")]
public static extern int PeerGraphOpen([MarshalAs(UnmanagedType.LPWStr)] string pwzGraphId, [MarshalAs(UnmanagedType.LPWStr)] string pwzPeerId, [MarshalAs(UnmanagedType.LPWStr)] string pwzDatabaseName, IntPtr pSecurityInterface, uint cRecordTypeSyncPrecedence, IntPtr pRecordTypeSyncPrecedence, IntPtr phGraph);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2PGRAPH_PeerGraphOpen' -Namespace Win32 -PassThru
# $api::PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)

#uselib "P2PGRAPH.dll"
#func global PeerGraphOpen "PeerGraphOpen" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; PeerGraphOpen pwzGraphId, pwzPeerId, pwzDatabaseName, varptr(pSecurityInterface), cRecordTypeSyncPrecedence, varptr(pRecordTypeSyncPrecedence), phGraph   ; 戻り値は stat
; pwzGraphId : LPCWSTR -> "sptr"
; pwzPeerId : LPCWSTR -> "sptr"
; pwzDatabaseName : LPCWSTR -> "sptr"
; pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> "sptr"
; cRecordTypeSyncPrecedence : DWORD -> "sptr"
; pRecordTypeSyncPrecedence : GUID* optional -> "sptr"
; phGraph : 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。

出力引数:

#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphOpen "PeerGraphOpen" wstr, wstr, wstr, var, int, var, sptr
; res = PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)
; pwzGraphId : LPCWSTR -> "wstr"
; pwzPeerId : LPCWSTR -> "wstr"
; pwzDatabaseName : LPCWSTR -> "wstr"
; pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> "var"
; cRecordTypeSyncPrecedence : DWORD -> "int"
; pRecordTypeSyncPrecedence : GUID* optional -> "var"
; phGraph : void** out -> "sptr"
; ※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 "P2PGRAPH.dll"
#cfunc global PeerGraphOpen "PeerGraphOpen" wstr, wstr, wstr, sptr, int, sptr, sptr
; res = PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, varptr(pSecurityInterface), cRecordTypeSyncPrecedence, varptr(pRecordTypeSyncPrecedence), phGraph)
; pwzGraphId : LPCWSTR -> "wstr"
; pwzPeerId : LPCWSTR -> "wstr"
; pwzDatabaseName : LPCWSTR -> "wstr"
; pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> "sptr"
; cRecordTypeSyncPrecedence : DWORD -> "int"
; pRecordTypeSyncPrecedence : GUID* optional -> "sptr"
; phGraph : void** 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:

; HRESULT PeerGraphOpen(LPCWSTR pwzGraphId, LPCWSTR pwzPeerId, LPCWSTR pwzDatabaseName, PEER_SECURITY_INTERFACE* pSecurityInterface, DWORD cRecordTypeSyncPrecedence, GUID* pRecordTypeSyncPrecedence, void** phGraph)
#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphOpen "PeerGraphOpen" wstr, wstr, wstr, var, int, var, intptr
; res = PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)
; pwzGraphId : LPCWSTR -> "wstr"
; pwzPeerId : LPCWSTR -> "wstr"
; pwzDatabaseName : LPCWSTR -> "wstr"
; pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> "var"
; cRecordTypeSyncPrecedence : DWORD -> "int"
; pRecordTypeSyncPrecedence : GUID* optional -> "var"
; phGraph : void** out -> "intptr"
; ※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。; HRESULT PeerGraphOpen(LPCWSTR pwzGraphId, LPCWSTR pwzPeerId, LPCWSTR pwzDatabaseName, PEER_SECURITY_INTERFACE* pSecurityInterface, DWORD cRecordTypeSyncPrecedence, GUID* pRecordTypeSyncPrecedence, void** phGraph)
#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphOpen "PeerGraphOpen" wstr, wstr, wstr, intptr, int, intptr, intptr
; res = PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, varptr(pSecurityInterface), cRecordTypeSyncPrecedence, varptr(pRecordTypeSyncPrecedence), phGraph)
; pwzGraphId : LPCWSTR -> "wstr"
; pwzPeerId : LPCWSTR -> "wstr"
; pwzDatabaseName : LPCWSTR -> "wstr"
; pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> "intptr"
; cRecordTypeSyncPrecedence : DWORD -> "int"
; pRecordTypeSyncPrecedence : GUID* optional -> "intptr"
; phGraph : void** 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 (
	p2pgraph = windows.NewLazySystemDLL("P2PGRAPH.dll")
	procPeerGraphOpen = p2pgraph.NewProc("PeerGraphOpen")
)

// pwzGraphId (LPCWSTR), pwzPeerId (LPCWSTR), pwzDatabaseName (LPCWSTR), pSecurityInterface (PEER_SECURITY_INTERFACE* optional), cRecordTypeSyncPrecedence (DWORD), pRecordTypeSyncPrecedence (GUID* optional), phGraph (void** out)
r1, _, err := procPeerGraphOpen.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzGraphId))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzPeerId))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzDatabaseName))),
	uintptr(pSecurityInterface),
	uintptr(cRecordTypeSyncPrecedence),
	uintptr(pRecordTypeSyncPrecedence),
	uintptr(phGraph),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGraphOpen(
  pwzGraphId: PWideChar;   // LPCWSTR
  pwzPeerId: PWideChar;   // LPCWSTR
  pwzDatabaseName: PWideChar;   // LPCWSTR
  pSecurityInterface: Pointer;   // PEER_SECURITY_INTERFACE* optional
  cRecordTypeSyncPrecedence: DWORD;   // DWORD
  pRecordTypeSyncPrecedence: PGUID;   // GUID* optional
  phGraph: Pointer   // void** out
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphOpen';

result := DllCall("P2PGRAPH\PeerGraphOpen"
    , "WStr", pwzGraphId   ; LPCWSTR
    , "WStr", pwzPeerId   ; LPCWSTR
    , "WStr", pwzDatabaseName   ; LPCWSTR
    , "Ptr", pSecurityInterface   ; PEER_SECURITY_INTERFACE* optional
    , "UInt", cRecordTypeSyncPrecedence   ; DWORD
    , "Ptr", pRecordTypeSyncPrecedence   ; GUID* optional
    , "Ptr", phGraph   ; void** out
    , "Int")   ; return: HRESULT

●PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph) = DLL("P2PGRAPH.dll", "int PeerGraphOpen(char*, char*, char*, void*, dword, void*, void*)")
# 呼び出し: PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)
# pwzGraphId : LPCWSTR -> "char*"
# pwzPeerId : LPCWSTR -> "char*"
# pwzDatabaseName : LPCWSTR -> "char*"
# pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> "void*"
# cRecordTypeSyncPrecedence : DWORD -> "dword"
# pRecordTypeSyncPrecedence : GUID* optional -> "void*"
# phGraph : 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 "p2pgraph" fn PeerGraphOpen(
    pwzGraphId: [*c]const u16, // LPCWSTR
    pwzPeerId: [*c]const u16, // LPCWSTR
    pwzDatabaseName: [*c]const u16, // LPCWSTR
    pSecurityInterface: [*c]PEER_SECURITY_INTERFACE, // PEER_SECURITY_INTERFACE* optional
    cRecordTypeSyncPrecedence: u32, // DWORD
    pRecordTypeSyncPrecedence: [*c]GUID, // GUID* optional
    phGraph: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc PeerGraphOpen(
    pwzGraphId: WideCString,  # LPCWSTR
    pwzPeerId: WideCString,  # LPCWSTR
    pwzDatabaseName: WideCString,  # LPCWSTR
    pSecurityInterface: ptr PEER_SECURITY_INTERFACE,  # PEER_SECURITY_INTERFACE* optional
    cRecordTypeSyncPrecedence: uint32,  # DWORD
    pRecordTypeSyncPrecedence: ptr GUID,  # GUID* optional
    phGraph: pointer  # void** out
): int32 {.importc: "PeerGraphOpen", stdcall, dynlib: "P2PGRAPH.dll".}

pragma(lib, "p2pgraph");
extern(Windows)
int PeerGraphOpen(
    const(wchar)* pwzGraphId,   // LPCWSTR
    const(wchar)* pwzPeerId,   // LPCWSTR
    const(wchar)* pwzDatabaseName,   // LPCWSTR
    PEER_SECURITY_INTERFACE* pSecurityInterface,   // PEER_SECURITY_INTERFACE* optional
    uint cRecordTypeSyncPrecedence,   // DWORD
    GUID* pRecordTypeSyncPrecedence,   // GUID* optional
    void** phGraph   // void** out
);

ccall((:PeerGraphOpen, "P2PGRAPH.dll"), stdcall, Int32,
      (Cwstring, Cwstring, Cwstring, Ptr{PEER_SECURITY_INTERFACE}, UInt32, Ptr{GUID}, Ptr{Cvoid}),
      pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)
# pwzGraphId : LPCWSTR -> Cwstring
# pwzPeerId : LPCWSTR -> Cwstring
# pwzDatabaseName : LPCWSTR -> Cwstring
# pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> Ptr{PEER_SECURITY_INTERFACE}
# cRecordTypeSyncPrecedence : DWORD -> UInt32
# pRecordTypeSyncPrecedence : GUID* optional -> Ptr{GUID}
# phGraph : 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[[
int32_t PeerGraphOpen(
    const uint16_t* pwzGraphId,
    const uint16_t* pwzPeerId,
    const uint16_t* pwzDatabaseName,
    void* pSecurityInterface,
    uint32_t cRecordTypeSyncPrecedence,
    void* pRecordTypeSyncPrecedence,
    void** phGraph);
]]
local p2pgraph = ffi.load("p2pgraph")
-- p2pgraph.PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)
-- pwzGraphId : LPCWSTR
-- pwzPeerId : LPCWSTR
-- pwzDatabaseName : LPCWSTR
-- pSecurityInterface : PEER_SECURITY_INTERFACE* optional
-- cRecordTypeSyncPrecedence : DWORD
-- pRecordTypeSyncPrecedence : GUID* optional
-- phGraph : 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('P2PGRAPH.dll');
const PeerGraphOpen = lib.func('__stdcall', 'PeerGraphOpen', 'int32_t', ['str16', 'str16', 'str16', 'void *', 'uint32_t', 'void *', 'void *']);
// PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)
// pwzGraphId : LPCWSTR -> 'str16'
// pwzPeerId : LPCWSTR -> 'str16'
// pwzDatabaseName : LPCWSTR -> 'str16'
// pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> 'void *'
// cRecordTypeSyncPrecedence : DWORD -> 'uint32_t'
// pRecordTypeSyncPrecedence : GUID* optional -> 'void *'
// phGraph : 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("P2PGRAPH.dll", {
  PeerGraphOpen: { parameters: ["buffer", "buffer", "buffer", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph)
// pwzGraphId : LPCWSTR -> "buffer"
// pwzPeerId : LPCWSTR -> "buffer"
// pwzDatabaseName : LPCWSTR -> "buffer"
// pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> "pointer"
// cRecordTypeSyncPrecedence : DWORD -> "u32"
// pRecordTypeSyncPrecedence : GUID* optional -> "pointer"
// phGraph : 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
int32_t PeerGraphOpen(
    const uint16_t* pwzGraphId,
    const uint16_t* pwzPeerId,
    const uint16_t* pwzDatabaseName,
    void* pSecurityInterface,
    uint32_t cRecordTypeSyncPrecedence,
    void* pRecordTypeSyncPrecedence,
    void** phGraph);
C, "P2PGRAPH.dll");
// $ffi->PeerGraphOpen(pwzGraphId, pwzPeerId, pwzDatabaseName, pSecurityInterface, cRecordTypeSyncPrecedence, pRecordTypeSyncPrecedence, phGraph);
// pwzGraphId : LPCWSTR
// pwzPeerId : LPCWSTR
// pwzDatabaseName : LPCWSTR
// pSecurityInterface : PEER_SECURITY_INTERFACE* optional
// cRecordTypeSyncPrecedence : DWORD
// pRecordTypeSyncPrecedence : GUID* optional
// phGraph : 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 P2pgraph extends StdCallLibrary {
    P2pgraph INSTANCE = Native.load("p2pgraph", P2pgraph.class);
    int PeerGraphOpen(
        WString pwzGraphId,   // LPCWSTR
        WString pwzPeerId,   // LPCWSTR
        WString pwzDatabaseName,   // LPCWSTR
        Pointer pSecurityInterface,   // PEER_SECURITY_INTERFACE* optional
        int cRecordTypeSyncPrecedence,   // DWORD
        Pointer pRecordTypeSyncPrecedence,   // GUID* optional
        Pointer phGraph   // void** out
    );
}

@[Link("p2pgraph")]
lib LibP2PGRAPH
  fun PeerGraphOpen = PeerGraphOpen(
    pwzGraphId : UInt16*,   # LPCWSTR
    pwzPeerId : UInt16*,   # LPCWSTR
    pwzDatabaseName : UInt16*,   # LPCWSTR
    pSecurityInterface : PEER_SECURITY_INTERFACE*,   # PEER_SECURITY_INTERFACE* optional
    cRecordTypeSyncPrecedence : UInt32,   # DWORD
    pRecordTypeSyncPrecedence : GUID*,   # GUID* optional
    phGraph : Void**   # void** out
  ) : Int32
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 PeerGraphOpenNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>);
typedef PeerGraphOpenDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final PeerGraphOpen = DynamicLibrary.open('P2PGRAPH.dll')
    .lookupFunction<PeerGraphOpenNative, PeerGraphOpenDart>('PeerGraphOpen');
// pwzGraphId : LPCWSTR -> Pointer<Utf16>
// pwzPeerId : LPCWSTR -> Pointer<Utf16>
// pwzDatabaseName : LPCWSTR -> Pointer<Utf16>
// pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> Pointer<Void>
// cRecordTypeSyncPrecedence : DWORD -> Uint32
// pRecordTypeSyncPrecedence : GUID* optional -> Pointer<Void>
// phGraph : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerGraphOpen(
  pwzGraphId: PWideChar;   // LPCWSTR
  pwzPeerId: PWideChar;   // LPCWSTR
  pwzDatabaseName: PWideChar;   // LPCWSTR
  pSecurityInterface: Pointer;   // PEER_SECURITY_INTERFACE* optional
  cRecordTypeSyncPrecedence: DWORD;   // DWORD
  pRecordTypeSyncPrecedence: PGUID;   // GUID* optional
  phGraph: Pointer   // void** out
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphOpen';

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

foreign import stdcall safe "PeerGraphOpen"
  c_PeerGraphOpen :: CWString -> CWString -> CWString -> Ptr () -> Word32 -> Ptr () -> Ptr () -> IO Int32
-- pwzGraphId : LPCWSTR -> CWString
-- pwzPeerId : LPCWSTR -> CWString
-- pwzDatabaseName : LPCWSTR -> CWString
-- pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> Ptr ()
-- cRecordTypeSyncPrecedence : DWORD -> Word32
-- pRecordTypeSyncPrecedence : GUID* optional -> Ptr ()
-- phGraph : 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 peergraphopen =
  foreign "PeerGraphOpen"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pwzGraphId : LPCWSTR -> (ptr uint16_t) *)
(* pwzPeerId : LPCWSTR -> (ptr uint16_t) *)
(* pwzDatabaseName : LPCWSTR -> (ptr uint16_t) *)
(* pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> (ptr void) *)
(* cRecordTypeSyncPrecedence : DWORD -> uint32_t *)
(* pRecordTypeSyncPrecedence : GUID* optional -> (ptr void) *)
(* phGraph : 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 p2pgraph (t "P2PGRAPH.dll"))
(cffi:use-foreign-library p2pgraph)

(cffi:defcfun ("PeerGraphOpen" peer-graph-open :convention :stdcall) :int32
  (pwz-graph-id (:string :encoding :utf-16le))   ; LPCWSTR
  (pwz-peer-id (:string :encoding :utf-16le))   ; LPCWSTR
  (pwz-database-name (:string :encoding :utf-16le))   ; LPCWSTR
  (p-security-interface :pointer)   ; PEER_SECURITY_INTERFACE* optional
  (c-record-type-sync-precedence :uint32)   ; DWORD
  (p-record-type-sync-precedence :pointer)   ; GUID* optional
  (ph-graph :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 $PeerGraphOpen = Win32::API::More->new('P2PGRAPH',
    'int PeerGraphOpen(LPCWSTR pwzGraphId, LPCWSTR pwzPeerId, LPCWSTR pwzDatabaseName, LPVOID pSecurityInterface, DWORD cRecordTypeSyncPrecedence, LPVOID pRecordTypeSyncPrecedence, LPVOID phGraph)');
# my $ret = $PeerGraphOpen->Call($pwzGraphId, $pwzPeerId, $pwzDatabaseName, $pSecurityInterface, $cRecordTypeSyncPrecedence, $pRecordTypeSyncPrecedence, $phGraph);
# pwzGraphId : LPCWSTR -> LPCWSTR
# pwzPeerId : LPCWSTR -> LPCWSTR
# pwzDatabaseName : LPCWSTR -> LPCWSTR
# pSecurityInterface : PEER_SECURITY_INTERFACE* optional -> LPVOID
# cRecordTypeSyncPrecedence : DWORD -> DWORD
# pRecordTypeSyncPrecedence : GUID* optional -> LPVOID
# phGraph : 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。

PeerGraphOpen

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