Win32 API 日本語リファレンス
ホーム › Networking.WebSocket › WebSocketEndClientHandshake

WebSocketEndClientHandshake

関数
WebSocketクライアントのハンドシェイクを完了する。
DLLwebsocket.dll呼出規約winapi対応OSwindows8.0
📘 Microsoft Learn (日本語) · English

シグネチャ

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

HRESULT WebSocketEndClientHandshake(
    WEB_SOCKET_HANDLE hWebSocket,
    const WEB_SOCKET_HTTP_HEADER* pResponseHeaders,
    DWORD ulReponseHeaderCount,
    DWORD* pulSelectedExtensions,   // optional
    DWORD* pulSelectedExtensionCount,   // optional
    DWORD* pulSelectedSubprotocol   // optional
);

パラメーター

名前型方向説明
hWebSocketWEB_SOCKET_HANDLEin対象のWebSocketセッションハンドル。
pResponseHeadersWEB_SOCKET_HTTP_HEADER*inサーバーから受信したハンドシェイク応答HTTPヘッダー配列。
ulReponseHeaderCountDWORDinpResponseHeaders配列の要素数。
pulSelectedExtensionsDWORD*inoutoptional選択された拡張のインデックス配列を受け取る出力。NULL可。
pulSelectedExtensionCountDWORD*inoutoptional選択拡張数を受け取る入出力。入力で配列容量、出力で実数を示す。
pulSelectedSubprotocolDWORD*inoutoptional選択されたサブプロトコルのインデックスを受け取る出力。NULL可。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WebSocketEndClientHandshake(
    WEB_SOCKET_HANDLE hWebSocket,
    const WEB_SOCKET_HTTP_HEADER* pResponseHeaders,
    DWORD ulReponseHeaderCount,
    DWORD* pulSelectedExtensions,   // optional
    DWORD* pulSelectedExtensionCount,   // optional
    DWORD* pulSelectedSubprotocol   // optional
);
[DllImport("websocket.dll", ExactSpelling = true)]
static extern int WebSocketEndClientHandshake(
    IntPtr hWebSocket,   // WEB_SOCKET_HANDLE
    IntPtr pResponseHeaders,   // WEB_SOCKET_HTTP_HEADER*
    uint ulReponseHeaderCount,   // DWORD
    IntPtr pulSelectedExtensions,   // DWORD* optional, in/out
    IntPtr pulSelectedExtensionCount,   // DWORD* optional, in/out
    IntPtr pulSelectedSubprotocol   // DWORD* optional, in/out
);
<DllImport("websocket.dll", ExactSpelling:=True)>
Public Shared Function WebSocketEndClientHandshake(
    hWebSocket As IntPtr,   ' WEB_SOCKET_HANDLE
    pResponseHeaders As IntPtr,   ' WEB_SOCKET_HTTP_HEADER*
    ulReponseHeaderCount As UInteger,   ' DWORD
    pulSelectedExtensions As IntPtr,   ' DWORD* optional, in/out
    pulSelectedExtensionCount As IntPtr,   ' DWORD* optional, in/out
    pulSelectedSubprotocol As IntPtr   ' DWORD* optional, in/out
) As Integer
End Function
' hWebSocket : WEB_SOCKET_HANDLE
' pResponseHeaders : WEB_SOCKET_HTTP_HEADER*
' ulReponseHeaderCount : DWORD
' pulSelectedExtensions : DWORD* optional, in/out
' pulSelectedExtensionCount : DWORD* optional, in/out
' pulSelectedSubprotocol : DWORD* optional, in/out
Declare PtrSafe Function WebSocketEndClientHandshake Lib "websocket" ( _
    ByVal hWebSocket As LongPtr, _
    ByVal pResponseHeaders As LongPtr, _
    ByVal ulReponseHeaderCount As Long, _
    ByVal pulSelectedExtensions As LongPtr, _
    ByVal pulSelectedExtensionCount As LongPtr, _
    ByVal pulSelectedSubprotocol 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

WebSocketEndClientHandshake = ctypes.windll.websocket.WebSocketEndClientHandshake
WebSocketEndClientHandshake.restype = ctypes.c_int
WebSocketEndClientHandshake.argtypes = [
    wintypes.HANDLE,  # hWebSocket : WEB_SOCKET_HANDLE
    ctypes.c_void_p,  # pResponseHeaders : WEB_SOCKET_HTTP_HEADER*
    wintypes.DWORD,  # ulReponseHeaderCount : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pulSelectedExtensions : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pulSelectedExtensionCount : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pulSelectedSubprotocol : DWORD* optional, in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('websocket.dll')
WebSocketEndClientHandshake = Fiddle::Function.new(
  lib['WebSocketEndClientHandshake'],
  [
    Fiddle::TYPE_VOIDP,  # hWebSocket : WEB_SOCKET_HANDLE
    Fiddle::TYPE_VOIDP,  # pResponseHeaders : WEB_SOCKET_HTTP_HEADER*
    -Fiddle::TYPE_INT,  # ulReponseHeaderCount : DWORD
    Fiddle::TYPE_VOIDP,  # pulSelectedExtensions : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # pulSelectedExtensionCount : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # pulSelectedSubprotocol : DWORD* optional, in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "websocket")]
extern "system" {
    fn WebSocketEndClientHandshake(
        hWebSocket: *mut core::ffi::c_void,  // WEB_SOCKET_HANDLE
        pResponseHeaders: *const WEB_SOCKET_HTTP_HEADER,  // WEB_SOCKET_HTTP_HEADER*
        ulReponseHeaderCount: u32,  // DWORD
        pulSelectedExtensions: *mut u32,  // DWORD* optional, in/out
        pulSelectedExtensionCount: *mut u32,  // DWORD* optional, in/out
        pulSelectedSubprotocol: *mut u32  // DWORD* optional, in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("websocket.dll")]
public static extern int WebSocketEndClientHandshake(IntPtr hWebSocket, IntPtr pResponseHeaders, uint ulReponseHeaderCount, IntPtr pulSelectedExtensions, IntPtr pulSelectedExtensionCount, IntPtr pulSelectedSubprotocol);
"@
$api = Add-Type -MemberDefinition $sig -Name 'websocket_WebSocketEndClientHandshake' -Namespace Win32 -PassThru
# $api::WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
#uselib "websocket.dll"
#func global WebSocketEndClientHandshake "WebSocketEndClientHandshake" sptr, sptr, sptr, sptr, sptr, sptr
; WebSocketEndClientHandshake hWebSocket, varptr(pResponseHeaders), ulReponseHeaderCount, varptr(pulSelectedExtensions), varptr(pulSelectedExtensionCount), varptr(pulSelectedSubprotocol)   ; 戻り値は stat
; hWebSocket : WEB_SOCKET_HANDLE -> "sptr"
; pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> "sptr"
; ulReponseHeaderCount : DWORD -> "sptr"
; pulSelectedExtensions : DWORD* optional, in/out -> "sptr"
; pulSelectedExtensionCount : DWORD* optional, in/out -> "sptr"
; pulSelectedSubprotocol : DWORD* optional, in/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 "websocket.dll"
#cfunc global WebSocketEndClientHandshake "WebSocketEndClientHandshake" sptr, var, int, var, var, var
; res = WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
; hWebSocket : WEB_SOCKET_HANDLE -> "sptr"
; pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> "var"
; ulReponseHeaderCount : DWORD -> "int"
; pulSelectedExtensions : DWORD* optional, in/out -> "var"
; pulSelectedExtensionCount : DWORD* optional, in/out -> "var"
; pulSelectedSubprotocol : DWORD* optional, in/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。
出力引数: 
; HRESULT WebSocketEndClientHandshake(WEB_SOCKET_HANDLE hWebSocket, WEB_SOCKET_HTTP_HEADER* pResponseHeaders, DWORD ulReponseHeaderCount, DWORD* pulSelectedExtensions, DWORD* pulSelectedExtensionCount, DWORD* pulSelectedSubprotocol)
#uselib "websocket.dll"
#cfunc global WebSocketEndClientHandshake "WebSocketEndClientHandshake" intptr, var, int, var, var, var
; res = WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
; hWebSocket : WEB_SOCKET_HANDLE -> "intptr"
; pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> "var"
; ulReponseHeaderCount : DWORD -> "int"
; pulSelectedExtensions : DWORD* optional, in/out -> "var"
; pulSelectedExtensionCount : DWORD* optional, in/out -> "var"
; pulSelectedSubprotocol : DWORD* optional, in/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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	websocket = windows.NewLazySystemDLL("websocket.dll")
	procWebSocketEndClientHandshake = websocket.NewProc("WebSocketEndClientHandshake")
)

// hWebSocket (WEB_SOCKET_HANDLE), pResponseHeaders (WEB_SOCKET_HTTP_HEADER*), ulReponseHeaderCount (DWORD), pulSelectedExtensions (DWORD* optional, in/out), pulSelectedExtensionCount (DWORD* optional, in/out), pulSelectedSubprotocol (DWORD* optional, in/out)
r1, _, err := procWebSocketEndClientHandshake.Call(
	uintptr(hWebSocket),
	uintptr(pResponseHeaders),
	uintptr(ulReponseHeaderCount),
	uintptr(pulSelectedExtensions),
	uintptr(pulSelectedExtensionCount),
	uintptr(pulSelectedSubprotocol),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function WebSocketEndClientHandshake(
  hWebSocket: THandle;   // WEB_SOCKET_HANDLE
  pResponseHeaders: Pointer;   // WEB_SOCKET_HTTP_HEADER*
  ulReponseHeaderCount: DWORD;   // DWORD
  pulSelectedExtensions: Pointer;   // DWORD* optional, in/out
  pulSelectedExtensionCount: Pointer;   // DWORD* optional, in/out
  pulSelectedSubprotocol: Pointer   // DWORD* optional, in/out
): Integer; stdcall;
  external 'websocket.dll' name 'WebSocketEndClientHandshake';
result := DllCall("websocket\WebSocketEndClientHandshake"
    , "Ptr", hWebSocket   ; WEB_SOCKET_HANDLE
    , "Ptr", pResponseHeaders   ; WEB_SOCKET_HTTP_HEADER*
    , "UInt", ulReponseHeaderCount   ; DWORD
    , "Ptr", pulSelectedExtensions   ; DWORD* optional, in/out
    , "Ptr", pulSelectedExtensionCount   ; DWORD* optional, in/out
    , "Ptr", pulSelectedSubprotocol   ; DWORD* optional, in/out
    , "Int")   ; return: HRESULT
●WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol) = DLL("websocket.dll", "int WebSocketEndClientHandshake(void*, void*, dword, void*, void*, void*)")
# 呼び出し: WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
# hWebSocket : WEB_SOCKET_HANDLE -> "void*"
# pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> "void*"
# ulReponseHeaderCount : DWORD -> "dword"
# pulSelectedExtensions : DWORD* optional, in/out -> "void*"
# pulSelectedExtensionCount : DWORD* optional, in/out -> "void*"
# pulSelectedSubprotocol : DWORD* optional, in/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 "websocket" fn WebSocketEndClientHandshake(
    hWebSocket: ?*anyopaque, // WEB_SOCKET_HANDLE
    pResponseHeaders: [*c]WEB_SOCKET_HTTP_HEADER, // WEB_SOCKET_HTTP_HEADER*
    ulReponseHeaderCount: u32, // DWORD
    pulSelectedExtensions: [*c]u32, // DWORD* optional, in/out
    pulSelectedExtensionCount: [*c]u32, // DWORD* optional, in/out
    pulSelectedSubprotocol: [*c]u32 // DWORD* optional, in/out
) callconv(std.os.windows.WINAPI) i32;
proc WebSocketEndClientHandshake(
    hWebSocket: pointer,  # WEB_SOCKET_HANDLE
    pResponseHeaders: ptr WEB_SOCKET_HTTP_HEADER,  # WEB_SOCKET_HTTP_HEADER*
    ulReponseHeaderCount: uint32,  # DWORD
    pulSelectedExtensions: ptr uint32,  # DWORD* optional, in/out
    pulSelectedExtensionCount: ptr uint32,  # DWORD* optional, in/out
    pulSelectedSubprotocol: ptr uint32  # DWORD* optional, in/out
): int32 {.importc: "WebSocketEndClientHandshake", stdcall, dynlib: "websocket.dll".}
pragma(lib, "websocket");
extern(Windows)
int WebSocketEndClientHandshake(
    void* hWebSocket,   // WEB_SOCKET_HANDLE
    WEB_SOCKET_HTTP_HEADER* pResponseHeaders,   // WEB_SOCKET_HTTP_HEADER*
    uint ulReponseHeaderCount,   // DWORD
    uint* pulSelectedExtensions,   // DWORD* optional, in/out
    uint* pulSelectedExtensionCount,   // DWORD* optional, in/out
    uint* pulSelectedSubprotocol   // DWORD* optional, in/out
);
ccall((:WebSocketEndClientHandshake, "websocket.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{WEB_SOCKET_HTTP_HEADER}, UInt32, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}),
      hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
# hWebSocket : WEB_SOCKET_HANDLE -> Ptr{Cvoid}
# pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> Ptr{WEB_SOCKET_HTTP_HEADER}
# ulReponseHeaderCount : DWORD -> UInt32
# pulSelectedExtensions : DWORD* optional, in/out -> Ptr{UInt32}
# pulSelectedExtensionCount : DWORD* optional, in/out -> Ptr{UInt32}
# pulSelectedSubprotocol : DWORD* optional, in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t WebSocketEndClientHandshake(
    void* hWebSocket,
    void* pResponseHeaders,
    uint32_t ulReponseHeaderCount,
    uint32_t* pulSelectedExtensions,
    uint32_t* pulSelectedExtensionCount,
    uint32_t* pulSelectedSubprotocol);
]]
local websocket = ffi.load("websocket")
-- websocket.WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
-- hWebSocket : WEB_SOCKET_HANDLE
-- pResponseHeaders : WEB_SOCKET_HTTP_HEADER*
-- ulReponseHeaderCount : DWORD
-- pulSelectedExtensions : DWORD* optional, in/out
-- pulSelectedExtensionCount : DWORD* optional, in/out
-- pulSelectedSubprotocol : DWORD* optional, in/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('websocket.dll');
const WebSocketEndClientHandshake = lib.func('__stdcall', 'WebSocketEndClientHandshake', 'int32_t', ['void *', 'void *', 'uint32_t', 'uint32_t *', 'uint32_t *', 'uint32_t *']);
// WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
// hWebSocket : WEB_SOCKET_HANDLE -> 'void *'
// pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> 'void *'
// ulReponseHeaderCount : DWORD -> 'uint32_t'
// pulSelectedExtensions : DWORD* optional, in/out -> 'uint32_t *'
// pulSelectedExtensionCount : DWORD* optional, in/out -> 'uint32_t *'
// pulSelectedSubprotocol : DWORD* optional, in/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("websocket.dll", {
  WebSocketEndClientHandshake: { parameters: ["pointer", "pointer", "u32", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol)
// hWebSocket : WEB_SOCKET_HANDLE -> "pointer"
// pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> "pointer"
// ulReponseHeaderCount : DWORD -> "u32"
// pulSelectedExtensions : DWORD* optional, in/out -> "pointer"
// pulSelectedExtensionCount : DWORD* optional, in/out -> "pointer"
// pulSelectedSubprotocol : DWORD* optional, in/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 WebSocketEndClientHandshake(
    void* hWebSocket,
    void* pResponseHeaders,
    uint32_t ulReponseHeaderCount,
    uint32_t* pulSelectedExtensions,
    uint32_t* pulSelectedExtensionCount,
    uint32_t* pulSelectedSubprotocol);
C, "websocket.dll");
// $ffi->WebSocketEndClientHandshake(hWebSocket, pResponseHeaders, ulReponseHeaderCount, pulSelectedExtensions, pulSelectedExtensionCount, pulSelectedSubprotocol);
// hWebSocket : WEB_SOCKET_HANDLE
// pResponseHeaders : WEB_SOCKET_HTTP_HEADER*
// ulReponseHeaderCount : DWORD
// pulSelectedExtensions : DWORD* optional, in/out
// pulSelectedExtensionCount : DWORD* optional, in/out
// pulSelectedSubprotocol : DWORD* optional, in/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 Websocket extends StdCallLibrary {
    Websocket INSTANCE = Native.load("websocket", Websocket.class);
    int WebSocketEndClientHandshake(
        Pointer hWebSocket,   // WEB_SOCKET_HANDLE
        Pointer pResponseHeaders,   // WEB_SOCKET_HTTP_HEADER*
        int ulReponseHeaderCount,   // DWORD
        IntByReference pulSelectedExtensions,   // DWORD* optional, in/out
        IntByReference pulSelectedExtensionCount,   // DWORD* optional, in/out
        IntByReference pulSelectedSubprotocol   // DWORD* optional, in/out
    );
}
@[Link("websocket")]
lib Libwebsocket
  fun WebSocketEndClientHandshake = WebSocketEndClientHandshake(
    hWebSocket : Void*,   # WEB_SOCKET_HANDLE
    pResponseHeaders : WEB_SOCKET_HTTP_HEADER*,   # WEB_SOCKET_HTTP_HEADER*
    ulReponseHeaderCount : UInt32,   # DWORD
    pulSelectedExtensions : UInt32*,   # DWORD* optional, in/out
    pulSelectedExtensionCount : UInt32*,   # DWORD* optional, in/out
    pulSelectedSubprotocol : UInt32*   # DWORD* optional, in/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 WebSocketEndClientHandshakeNative = Int32 Function(Pointer<Void>, Pointer<Void>, Uint32, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
typedef WebSocketEndClientHandshakeDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
final WebSocketEndClientHandshake = DynamicLibrary.open('websocket.dll')
    .lookupFunction<WebSocketEndClientHandshakeNative, WebSocketEndClientHandshakeDart>('WebSocketEndClientHandshake');
// hWebSocket : WEB_SOCKET_HANDLE -> Pointer<Void>
// pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> Pointer<Void>
// ulReponseHeaderCount : DWORD -> Uint32
// pulSelectedExtensions : DWORD* optional, in/out -> Pointer<Uint32>
// pulSelectedExtensionCount : DWORD* optional, in/out -> Pointer<Uint32>
// pulSelectedSubprotocol : DWORD* optional, in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function WebSocketEndClientHandshake(
  hWebSocket: THandle;   // WEB_SOCKET_HANDLE
  pResponseHeaders: Pointer;   // WEB_SOCKET_HTTP_HEADER*
  ulReponseHeaderCount: DWORD;   // DWORD
  pulSelectedExtensions: Pointer;   // DWORD* optional, in/out
  pulSelectedExtensionCount: Pointer;   // DWORD* optional, in/out
  pulSelectedSubprotocol: Pointer   // DWORD* optional, in/out
): Integer; stdcall;
  external 'websocket.dll' name 'WebSocketEndClientHandshake';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WebSocketEndClientHandshake"
  c_WebSocketEndClientHandshake :: Ptr () -> Ptr () -> Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> IO Int32
-- hWebSocket : WEB_SOCKET_HANDLE -> Ptr ()
-- pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> Ptr ()
-- ulReponseHeaderCount : DWORD -> Word32
-- pulSelectedExtensions : DWORD* optional, in/out -> Ptr Word32
-- pulSelectedExtensionCount : DWORD* optional, in/out -> Ptr Word32
-- pulSelectedSubprotocol : DWORD* optional, in/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 websocketendclienthandshake =
  foreign "WebSocketEndClientHandshake"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning int32_t)
(* hWebSocket : WEB_SOCKET_HANDLE -> (ptr void) *)
(* pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> (ptr void) *)
(* ulReponseHeaderCount : DWORD -> uint32_t *)
(* pulSelectedExtensions : DWORD* optional, in/out -> (ptr uint32_t) *)
(* pulSelectedExtensionCount : DWORD* optional, in/out -> (ptr uint32_t) *)
(* pulSelectedSubprotocol : DWORD* optional, in/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 websocket (t "websocket.dll"))
(cffi:use-foreign-library websocket)

(cffi:defcfun ("WebSocketEndClientHandshake" web-socket-end-client-handshake :convention :stdcall) :int32
  (h-web-socket :pointer)   ; WEB_SOCKET_HANDLE
  (p-response-headers :pointer)   ; WEB_SOCKET_HTTP_HEADER*
  (ul-reponse-header-count :uint32)   ; DWORD
  (pul-selected-extensions :pointer)   ; DWORD* optional, in/out
  (pul-selected-extension-count :pointer)   ; DWORD* optional, in/out
  (pul-selected-subprotocol :pointer))   ; DWORD* optional, in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $WebSocketEndClientHandshake = Win32::API::More->new('websocket',
    'int WebSocketEndClientHandshake(HANDLE hWebSocket, LPVOID pResponseHeaders, DWORD ulReponseHeaderCount, LPVOID pulSelectedExtensions, LPVOID pulSelectedExtensionCount, LPVOID pulSelectedSubprotocol)');
# my $ret = $WebSocketEndClientHandshake->Call($hWebSocket, $pResponseHeaders, $ulReponseHeaderCount, $pulSelectedExtensions, $pulSelectedExtensionCount, $pulSelectedSubprotocol);
# hWebSocket : WEB_SOCKET_HANDLE -> HANDLE
# pResponseHeaders : WEB_SOCKET_HTTP_HEADER* -> LPVOID
# ulReponseHeaderCount : DWORD -> DWORD
# pulSelectedExtensions : DWORD* optional, in/out -> LPVOID
# pulSelectedExtensionCount : DWORD* optional, in/out -> LPVOID
# pulSelectedSubprotocol : DWORD* optional, in/out -> 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