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

PeerGraphSendData

関数
ダイレクト接続を通じてピアにデータを送信する。
DLLP2PGRAPH.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

HRESULT PeerGraphSendData(
    void* hGraph,
    ULONGLONG ullConnectionId,
    const GUID* pType,
    DWORD cbData,
    void* pvData
);

パラメーター

名前方向説明
hGraphvoid*inデータを送信する対象のグラフを表すハンドル。
ullConnectionIdULONGLONGin送信先の直接接続を識別する接続ID。
pTypeGUID*in送信データの種別を識別するGUIDへのポインター。
cbDataDWORDinpvDataが指すデータのバイト数。
pvDatavoid*in送信するデータ本体へのポインター。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT PeerGraphSendData(
    void* hGraph,
    ULONGLONG ullConnectionId,
    const GUID* pType,
    DWORD cbData,
    void* pvData
);
[DllImport("P2PGRAPH.dll", ExactSpelling = true)]
static extern int PeerGraphSendData(
    IntPtr hGraph,   // void*
    ulong ullConnectionId,   // ULONGLONG
    ref Guid pType,   // GUID*
    uint cbData,   // DWORD
    IntPtr pvData   // void*
);
<DllImport("P2PGRAPH.dll", ExactSpelling:=True)>
Public Shared Function PeerGraphSendData(
    hGraph As IntPtr,   ' void*
    ullConnectionId As ULong,   ' ULONGLONG
    ByRef pType As Guid,   ' GUID*
    cbData As UInteger,   ' DWORD
    pvData As IntPtr   ' void*
) As Integer
End Function
' hGraph : void*
' ullConnectionId : ULONGLONG
' pType : GUID*
' cbData : DWORD
' pvData : void*
Declare PtrSafe Function PeerGraphSendData Lib "p2pgraph" ( _
    ByVal hGraph As LongPtr, _
    ByVal ullConnectionId As LongLong, _
    ByVal pType As LongPtr, _
    ByVal cbData As Long, _
    ByVal pvData 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

PeerGraphSendData = ctypes.windll.p2pgraph.PeerGraphSendData
PeerGraphSendData.restype = ctypes.c_int
PeerGraphSendData.argtypes = [
    ctypes.POINTER(None),  # hGraph : void*
    ctypes.c_ulonglong,  # ullConnectionId : ULONGLONG
    ctypes.c_void_p,  # pType : GUID*
    wintypes.DWORD,  # cbData : DWORD
    ctypes.POINTER(None),  # pvData : void*
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2PGRAPH.dll')
PeerGraphSendData = Fiddle::Function.new(
  lib['PeerGraphSendData'],
  [
    Fiddle::TYPE_VOIDP,  # hGraph : void*
    -Fiddle::TYPE_LONG_LONG,  # ullConnectionId : ULONGLONG
    Fiddle::TYPE_VOIDP,  # pType : GUID*
    -Fiddle::TYPE_INT,  # cbData : DWORD
    Fiddle::TYPE_VOIDP,  # pvData : void*
  ],
  Fiddle::TYPE_INT)
#[link(name = "p2pgraph")]
extern "system" {
    fn PeerGraphSendData(
        hGraph: *mut (),  // void*
        ullConnectionId: u64,  // ULONGLONG
        pType: *const GUID,  // GUID*
        cbData: u32,  // DWORD
        pvData: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("P2PGRAPH.dll")]
public static extern int PeerGraphSendData(IntPtr hGraph, ulong ullConnectionId, ref Guid pType, uint cbData, IntPtr pvData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2PGRAPH_PeerGraphSendData' -Namespace Win32 -PassThru
# $api::PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData)
#uselib "P2PGRAPH.dll"
#func global PeerGraphSendData "PeerGraphSendData" sptr, sptr, sptr, sptr, sptr
; PeerGraphSendData hGraph, ullConnectionId, varptr(pType), cbData, pvData   ; 戻り値は stat
; hGraph : void* -> "sptr"
; ullConnectionId : ULONGLONG -> "sptr"
; pType : GUID* -> "sptr"
; cbData : DWORD -> "sptr"
; pvData : void* -> "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 "P2PGRAPH.dll"
#cfunc global PeerGraphSendData "PeerGraphSendData" sptr, int64, var, int, sptr
; res = PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData)
; hGraph : void* -> "sptr"
; ullConnectionId : ULONGLONG -> "int64"
; pType : GUID* -> "var"
; cbData : DWORD -> "int"
; pvData : void* -> "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。
; ※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:
; HRESULT PeerGraphSendData(void* hGraph, ULONGLONG ullConnectionId, GUID* pType, DWORD cbData, void* pvData)
#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphSendData "PeerGraphSendData" intptr, int64, var, int, intptr
; res = PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData)
; hGraph : void* -> "intptr"
; ullConnectionId : ULONGLONG -> "int64"
; pType : GUID* -> "var"
; cbData : DWORD -> "int"
; pvData : void* -> "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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	p2pgraph = windows.NewLazySystemDLL("P2PGRAPH.dll")
	procPeerGraphSendData = p2pgraph.NewProc("PeerGraphSendData")
)

// hGraph (void*), ullConnectionId (ULONGLONG), pType (GUID*), cbData (DWORD), pvData (void*)
r1, _, err := procPeerGraphSendData.Call(
	uintptr(hGraph),
	uintptr(ullConnectionId),
	uintptr(pType),
	uintptr(cbData),
	uintptr(pvData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function PeerGraphSendData(
  hGraph: Pointer;   // void*
  ullConnectionId: UInt64;   // ULONGLONG
  pType: PGUID;   // GUID*
  cbData: DWORD;   // DWORD
  pvData: Pointer   // void*
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphSendData';
result := DllCall("P2PGRAPH\PeerGraphSendData"
    , "Ptr", hGraph   ; void*
    , "Int64", ullConnectionId   ; ULONGLONG
    , "Ptr", pType   ; GUID*
    , "UInt", cbData   ; DWORD
    , "Ptr", pvData   ; void*
    , "Int")   ; return: HRESULT
●PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData) = DLL("P2PGRAPH.dll", "int PeerGraphSendData(void*, qword, void*, dword, void*)")
# 呼び出し: PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData)
# hGraph : void* -> "void*"
# ullConnectionId : ULONGLONG -> "qword"
# pType : GUID* -> "void*"
# cbData : DWORD -> "dword"
# pvData : void* -> "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 PeerGraphSendData(
    hGraph: ?*anyopaque, // void*
    ullConnectionId: u64, // ULONGLONG
    pType: [*c]GUID, // GUID*
    cbData: u32, // DWORD
    pvData: ?*anyopaque // void*
) callconv(std.os.windows.WINAPI) i32;
proc PeerGraphSendData(
    hGraph: pointer,  # void*
    ullConnectionId: uint64,  # ULONGLONG
    pType: ptr GUID,  # GUID*
    cbData: uint32,  # DWORD
    pvData: pointer  # void*
): int32 {.importc: "PeerGraphSendData", stdcall, dynlib: "P2PGRAPH.dll".}
pragma(lib, "p2pgraph");
extern(Windows)
int PeerGraphSendData(
    void* hGraph,   // void*
    ulong ullConnectionId,   // ULONGLONG
    GUID* pType,   // GUID*
    uint cbData,   // DWORD
    void* pvData   // void*
);
ccall((:PeerGraphSendData, "P2PGRAPH.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt64, Ptr{GUID}, UInt32, Ptr{Cvoid}),
      hGraph, ullConnectionId, pType, cbData, pvData)
# hGraph : void* -> Ptr{Cvoid}
# ullConnectionId : ULONGLONG -> UInt64
# pType : GUID* -> Ptr{GUID}
# cbData : DWORD -> UInt32
# pvData : void* -> 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 PeerGraphSendData(
    void* hGraph,
    uint64_t ullConnectionId,
    void* pType,
    uint32_t cbData,
    void* pvData);
]]
local p2pgraph = ffi.load("p2pgraph")
-- p2pgraph.PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData)
-- hGraph : void*
-- ullConnectionId : ULONGLONG
-- pType : GUID*
-- cbData : DWORD
-- pvData : void*
-- 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 PeerGraphSendData = lib.func('__stdcall', 'PeerGraphSendData', 'int32_t', ['void *', 'uint64_t', 'void *', 'uint32_t', 'void *']);
// PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData)
// hGraph : void* -> 'void *'
// ullConnectionId : ULONGLONG -> 'uint64_t'
// pType : GUID* -> 'void *'
// cbData : DWORD -> 'uint32_t'
// pvData : void* -> '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", {
  PeerGraphSendData: { parameters: ["pointer", "u64", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData)
// hGraph : void* -> "pointer"
// ullConnectionId : ULONGLONG -> "u64"
// pType : GUID* -> "pointer"
// cbData : DWORD -> "u32"
// pvData : void* -> "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 PeerGraphSendData(
    void* hGraph,
    uint64_t ullConnectionId,
    void* pType,
    uint32_t cbData,
    void* pvData);
C, "P2PGRAPH.dll");
// $ffi->PeerGraphSendData(hGraph, ullConnectionId, pType, cbData, pvData);
// hGraph : void*
// ullConnectionId : ULONGLONG
// pType : GUID*
// cbData : DWORD
// pvData : void*
// 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 PeerGraphSendData(
        Pointer hGraph,   // void*
        long ullConnectionId,   // ULONGLONG
        Pointer pType,   // GUID*
        int cbData,   // DWORD
        Pointer pvData   // void*
    );
}
@[Link("p2pgraph")]
lib LibP2PGRAPH
  fun PeerGraphSendData = PeerGraphSendData(
    hGraph : Void*,   # void*
    ullConnectionId : UInt64,   # ULONGLONG
    pType : GUID*,   # GUID*
    cbData : UInt32,   # DWORD
    pvData : Void*   # void*
  ) : 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 PeerGraphSendDataNative = Int32 Function(Pointer<Void>, Uint64, Pointer<Void>, Uint32, Pointer<Void>);
typedef PeerGraphSendDataDart = int Function(Pointer<Void>, int, Pointer<Void>, int, Pointer<Void>);
final PeerGraphSendData = DynamicLibrary.open('P2PGRAPH.dll')
    .lookupFunction<PeerGraphSendDataNative, PeerGraphSendDataDart>('PeerGraphSendData');
// hGraph : void* -> Pointer<Void>
// ullConnectionId : ULONGLONG -> Uint64
// pType : GUID* -> Pointer<Void>
// cbData : DWORD -> Uint32
// pvData : void* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function PeerGraphSendData(
  hGraph: Pointer;   // void*
  ullConnectionId: UInt64;   // ULONGLONG
  pType: PGUID;   // GUID*
  cbData: DWORD;   // DWORD
  pvData: Pointer   // void*
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphSendData';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PeerGraphSendData"
  c_PeerGraphSendData :: Ptr () -> Word64 -> Ptr () -> Word32 -> Ptr () -> IO Int32
-- hGraph : void* -> Ptr ()
-- ullConnectionId : ULONGLONG -> Word64
-- pType : GUID* -> Ptr ()
-- cbData : DWORD -> Word32
-- pvData : void* -> 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 peergraphsenddata =
  foreign "PeerGraphSendData"
    ((ptr void) @-> uint64_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* hGraph : void* -> (ptr void) *)
(* ullConnectionId : ULONGLONG -> uint64_t *)
(* pType : GUID* -> (ptr void) *)
(* cbData : DWORD -> uint32_t *)
(* pvData : void* -> (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 ("PeerGraphSendData" peer-graph-send-data :convention :stdcall) :int32
  (h-graph :pointer)   ; void*
  (ull-connection-id :uint64)   ; ULONGLONG
  (p-type :pointer)   ; GUID*
  (cb-data :uint32)   ; DWORD
  (pv-data :pointer))   ; void*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $PeerGraphSendData = Win32::API::More->new('P2PGRAPH',
    'int PeerGraphSendData(LPVOID hGraph, UINT64 ullConnectionId, LPVOID pType, DWORD cbData, LPVOID pvData)');
# my $ret = $PeerGraphSendData->Call($hGraph, $ullConnectionId, $pType, $cbData, $pvData);
# hGraph : void* -> LPVOID
# ullConnectionId : ULONGLONG -> UINT64
# pType : GUID* -> LPVOID
# cbData : DWORD -> DWORD
# pvData : void* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。