ホーム › Networking.WindowsWebServices › WsSendMessage

WsSendMessage

関数

チャネル経由でメッセージを送信する。

DLLwebservices.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

HRESULT WsSendMessage(
    WS_CHANNEL* channel,
    WS_MESSAGE* message,
    const WS_MESSAGE_DESCRIPTION* messageDescription,
    WS_WRITE_OPTION writeOption,
    const void* bodyValue,   // optional
    DWORD bodyValueSize,
    const WS_ASYNC_CONTEXT* asyncContext,   // optional
    WS_ERROR* error   // optional
);

パラメーター

名前	型	方向	説明
channel	WS_CHANNEL*	in	メッセージを送信する対象のチャネル。
message	WS_MESSAGE*	in	送信に使用するWS_MESSAGEオブジェクト。
messageDescription	WS_MESSAGE_DESCRIPTION*	in	メッセージのアクションと本文型を記述するWS_MESSAGE_DESCRIPTION。
writeOption	WS_WRITE_OPTION	in	本文値の書き込み方法(必須/任意/ポインタ等)を示す列挙値。
bodyValue	void*	inoptional	送信する本文データへのポインタ。本文なしならNULL可。
bodyValueSize	DWORD	in	bodyValueのバイトサイズ。
asyncContext	WS_ASYNC_CONTEXT*	inoptional	非同期実行のためのコンテキスト。同期実行ならNULL。
error	WS_ERROR*	inoptional	失敗時の追加エラー情報を格納するWS_ERRORオブジェクト。NULL可。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WsSendMessage(
    WS_CHANNEL* channel,
    WS_MESSAGE* message,
    const WS_MESSAGE_DESCRIPTION* messageDescription,
    WS_WRITE_OPTION writeOption,
    const void* bodyValue,   // optional
    DWORD bodyValueSize,
    const WS_ASYNC_CONTEXT* asyncContext,   // optional
    WS_ERROR* error   // optional
);

[DllImport("webservices.dll", ExactSpelling = true)]
static extern int WsSendMessage(
    ref IntPtr channel,   // WS_CHANNEL*
    ref IntPtr message,   // WS_MESSAGE*
    IntPtr messageDescription,   // WS_MESSAGE_DESCRIPTION*
    int writeOption,   // WS_WRITE_OPTION
    IntPtr bodyValue,   // void* optional
    uint bodyValueSize,   // DWORD
    IntPtr asyncContext,   // WS_ASYNC_CONTEXT* optional
    IntPtr error   // WS_ERROR* optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsSendMessage(
    ByRef channel As IntPtr,   ' WS_CHANNEL*
    ByRef message As IntPtr,   ' WS_MESSAGE*
    messageDescription As IntPtr,   ' WS_MESSAGE_DESCRIPTION*
    writeOption As Integer,   ' WS_WRITE_OPTION
    bodyValue As IntPtr,   ' void* optional
    bodyValueSize As UInteger,   ' DWORD
    asyncContext As IntPtr,   ' WS_ASYNC_CONTEXT* optional
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' channel : WS_CHANNEL*
' message : WS_MESSAGE*
' messageDescription : WS_MESSAGE_DESCRIPTION*
' writeOption : WS_WRITE_OPTION
' bodyValue : void* optional
' bodyValueSize : DWORD
' asyncContext : WS_ASYNC_CONTEXT* optional
' error : WS_ERROR* optional
Declare PtrSafe Function WsSendMessage Lib "webservices" ( _
    ByRef channel As LongPtr, _
    ByRef message As LongPtr, _
    ByVal messageDescription As LongPtr, _
    ByVal writeOption As Long, _
    ByVal bodyValue As LongPtr, _
    ByVal bodyValueSize As Long, _
    ByVal asyncContext As LongPtr, _
    ByVal error 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

WsSendMessage = ctypes.windll.webservices.WsSendMessage
WsSendMessage.restype = ctypes.c_int
WsSendMessage.argtypes = [
    ctypes.c_void_p,  # channel : WS_CHANNEL*
    ctypes.c_void_p,  # message : WS_MESSAGE*
    ctypes.c_void_p,  # messageDescription : WS_MESSAGE_DESCRIPTION*
    ctypes.c_int,  # writeOption : WS_WRITE_OPTION
    ctypes.POINTER(None),  # bodyValue : void* optional
    wintypes.DWORD,  # bodyValueSize : DWORD
    ctypes.c_void_p,  # asyncContext : WS_ASYNC_CONTEXT* optional
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsSendMessage = Fiddle::Function.new(
  lib['WsSendMessage'],
  [
    Fiddle::TYPE_VOIDP,  # channel : WS_CHANNEL*
    Fiddle::TYPE_VOIDP,  # message : WS_MESSAGE*
    Fiddle::TYPE_VOIDP,  # messageDescription : WS_MESSAGE_DESCRIPTION*
    Fiddle::TYPE_INT,  # writeOption : WS_WRITE_OPTION
    Fiddle::TYPE_VOIDP,  # bodyValue : void* optional
    -Fiddle::TYPE_INT,  # bodyValueSize : DWORD
    Fiddle::TYPE_VOIDP,  # asyncContext : WS_ASYNC_CONTEXT* optional
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsSendMessage(
        channel: *mut isize,  // WS_CHANNEL*
        message: *mut isize,  // WS_MESSAGE*
        messageDescription: *const WS_MESSAGE_DESCRIPTION,  // WS_MESSAGE_DESCRIPTION*
        writeOption: i32,  // WS_WRITE_OPTION
        bodyValue: *const (),  // void* optional
        bodyValueSize: u32,  // DWORD
        asyncContext: *const WS_ASYNC_CONTEXT,  // WS_ASYNC_CONTEXT* optional
        error: *mut isize  // WS_ERROR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsSendMessage(ref IntPtr channel, ref IntPtr message, IntPtr messageDescription, int writeOption, IntPtr bodyValue, uint bodyValueSize, IntPtr asyncContext, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsSendMessage' -Namespace Win32 -PassThru
# $api::WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)

#uselib "webservices.dll"
#func global WsSendMessage "WsSendMessage" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WsSendMessage varptr(channel), varptr(message), varptr(messageDescription), writeOption, bodyValue, bodyValueSize, varptr(asyncContext), varptr(error)   ; 戻り値は stat
; channel : WS_CHANNEL* -> "sptr"
; message : WS_MESSAGE* -> "sptr"
; messageDescription : WS_MESSAGE_DESCRIPTION* -> "sptr"
; writeOption : WS_WRITE_OPTION -> "sptr"
; bodyValue : void* optional -> "sptr"
; bodyValueSize : DWORD -> "sptr"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "sptr"
; error : WS_ERROR* optional -> "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 "webservices.dll"
#cfunc global WsSendMessage "WsSendMessage" var, var, var, int, sptr, int, var, var
; res = WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)
; channel : WS_CHANNEL* -> "var"
; message : WS_MESSAGE* -> "var"
; messageDescription : WS_MESSAGE_DESCRIPTION* -> "var"
; writeOption : WS_WRITE_OPTION -> "int"
; bodyValue : void* optional -> "sptr"
; bodyValueSize : DWORD -> "int"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "var"
; error : WS_ERROR* optional -> "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 "webservices.dll"
#cfunc global WsSendMessage "WsSendMessage" sptr, sptr, sptr, int, sptr, int, sptr, sptr
; res = WsSendMessage(varptr(channel), varptr(message), varptr(messageDescription), writeOption, bodyValue, bodyValueSize, varptr(asyncContext), varptr(error))
; channel : WS_CHANNEL* -> "sptr"
; message : WS_MESSAGE* -> "sptr"
; messageDescription : WS_MESSAGE_DESCRIPTION* -> "sptr"
; writeOption : WS_WRITE_OPTION -> "int"
; bodyValue : void* optional -> "sptr"
; bodyValueSize : DWORD -> "int"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "sptr"
; error : WS_ERROR* optional -> "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 WsSendMessage(WS_CHANNEL* channel, WS_MESSAGE* message, WS_MESSAGE_DESCRIPTION* messageDescription, WS_WRITE_OPTION writeOption, void* bodyValue, DWORD bodyValueSize, WS_ASYNC_CONTEXT* asyncContext, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsSendMessage "WsSendMessage" var, var, var, int, intptr, int, var, var
; res = WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)
; channel : WS_CHANNEL* -> "var"
; message : WS_MESSAGE* -> "var"
; messageDescription : WS_MESSAGE_DESCRIPTION* -> "var"
; writeOption : WS_WRITE_OPTION -> "int"
; bodyValue : void* optional -> "intptr"
; bodyValueSize : DWORD -> "int"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "var"
; error : WS_ERROR* optional -> "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。; HRESULT WsSendMessage(WS_CHANNEL* channel, WS_MESSAGE* message, WS_MESSAGE_DESCRIPTION* messageDescription, WS_WRITE_OPTION writeOption, void* bodyValue, DWORD bodyValueSize, WS_ASYNC_CONTEXT* asyncContext, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsSendMessage "WsSendMessage" intptr, intptr, intptr, int, intptr, int, intptr, intptr
; res = WsSendMessage(varptr(channel), varptr(message), varptr(messageDescription), writeOption, bodyValue, bodyValueSize, varptr(asyncContext), varptr(error))
; channel : WS_CHANNEL* -> "intptr"
; message : WS_MESSAGE* -> "intptr"
; messageDescription : WS_MESSAGE_DESCRIPTION* -> "intptr"
; writeOption : WS_WRITE_OPTION -> "int"
; bodyValue : void* optional -> "intptr"
; bodyValueSize : DWORD -> "int"
; asyncContext : WS_ASYNC_CONTEXT* optional -> "intptr"
; error : WS_ERROR* optional -> "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 (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsSendMessage = webservices.NewProc("WsSendMessage")
)

// channel (WS_CHANNEL*), message (WS_MESSAGE*), messageDescription (WS_MESSAGE_DESCRIPTION*), writeOption (WS_WRITE_OPTION), bodyValue (void* optional), bodyValueSize (DWORD), asyncContext (WS_ASYNC_CONTEXT* optional), error (WS_ERROR* optional)
r1, _, err := procWsSendMessage.Call(
	uintptr(channel),
	uintptr(message),
	uintptr(messageDescription),
	uintptr(writeOption),
	uintptr(bodyValue),
	uintptr(bodyValueSize),
	uintptr(asyncContext),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsSendMessage(
  channel: Pointer;   // WS_CHANNEL*
  message: Pointer;   // WS_MESSAGE*
  messageDescription: Pointer;   // WS_MESSAGE_DESCRIPTION*
  writeOption: Integer;   // WS_WRITE_OPTION
  bodyValue: Pointer;   // void* optional
  bodyValueSize: DWORD;   // DWORD
  asyncContext: Pointer;   // WS_ASYNC_CONTEXT* optional
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsSendMessage';

result := DllCall("webservices\WsSendMessage"
    , "Ptr", channel   ; WS_CHANNEL*
    , "Ptr", message   ; WS_MESSAGE*
    , "Ptr", messageDescription   ; WS_MESSAGE_DESCRIPTION*
    , "Int", writeOption   ; WS_WRITE_OPTION
    , "Ptr", bodyValue   ; void* optional
    , "UInt", bodyValueSize   ; DWORD
    , "Ptr", asyncContext   ; WS_ASYNC_CONTEXT* optional
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error) = DLL("webservices.dll", "int WsSendMessage(void*, void*, void*, int, void*, dword, void*, void*)")
# 呼び出し: WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)
# channel : WS_CHANNEL* -> "void*"
# message : WS_MESSAGE* -> "void*"
# messageDescription : WS_MESSAGE_DESCRIPTION* -> "void*"
# writeOption : WS_WRITE_OPTION -> "int"
# bodyValue : void* optional -> "void*"
# bodyValueSize : DWORD -> "dword"
# asyncContext : WS_ASYNC_CONTEXT* optional -> "void*"
# error : WS_ERROR* optional -> "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 "webservices" fn WsSendMessage(
    channel: [*c]isize, // WS_CHANNEL*
    message: [*c]isize, // WS_MESSAGE*
    messageDescription: [*c]WS_MESSAGE_DESCRIPTION, // WS_MESSAGE_DESCRIPTION*
    writeOption: i32, // WS_WRITE_OPTION
    bodyValue: ?*anyopaque, // void* optional
    bodyValueSize: u32, // DWORD
    asyncContext: [*c]WS_ASYNC_CONTEXT, // WS_ASYNC_CONTEXT* optional
    error: [*c]isize // WS_ERROR* optional
) callconv(std.os.windows.WINAPI) i32;

proc WsSendMessage(
    channel: ptr int,  # WS_CHANNEL*
    message: ptr int,  # WS_MESSAGE*
    messageDescription: ptr WS_MESSAGE_DESCRIPTION,  # WS_MESSAGE_DESCRIPTION*
    writeOption: int32,  # WS_WRITE_OPTION
    bodyValue: pointer,  # void* optional
    bodyValueSize: uint32,  # DWORD
    asyncContext: ptr WS_ASYNC_CONTEXT,  # WS_ASYNC_CONTEXT* optional
    error: ptr int  # WS_ERROR* optional
): int32 {.importc: "WsSendMessage", stdcall, dynlib: "webservices.dll".}

pragma(lib, "webservices");
extern(Windows)
int WsSendMessage(
    ptrdiff_t* channel,   // WS_CHANNEL*
    ptrdiff_t* message,   // WS_MESSAGE*
    WS_MESSAGE_DESCRIPTION* messageDescription,   // WS_MESSAGE_DESCRIPTION*
    int writeOption,   // WS_WRITE_OPTION
    void* bodyValue,   // void* optional
    uint bodyValueSize,   // DWORD
    WS_ASYNC_CONTEXT* asyncContext,   // WS_ASYNC_CONTEXT* optional
    ptrdiff_t* error   // WS_ERROR* optional
);

ccall((:WsSendMessage, "webservices.dll"), stdcall, Int32,
      (Ptr{Int}, Ptr{Int}, Ptr{WS_MESSAGE_DESCRIPTION}, Int32, Ptr{Cvoid}, UInt32, Ptr{WS_ASYNC_CONTEXT}, Ptr{Int}),
      channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)
# channel : WS_CHANNEL* -> Ptr{Int}
# message : WS_MESSAGE* -> Ptr{Int}
# messageDescription : WS_MESSAGE_DESCRIPTION* -> Ptr{WS_MESSAGE_DESCRIPTION}
# writeOption : WS_WRITE_OPTION -> Int32
# bodyValue : void* optional -> Ptr{Cvoid}
# bodyValueSize : DWORD -> UInt32
# asyncContext : WS_ASYNC_CONTEXT* optional -> Ptr{WS_ASYNC_CONTEXT}
# error : WS_ERROR* optional -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WsSendMessage(
    intptr_t* channel,
    intptr_t* message,
    void* messageDescription,
    int32_t writeOption,
    void* bodyValue,
    uint32_t bodyValueSize,
    void* asyncContext,
    intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)
-- channel : WS_CHANNEL*
-- message : WS_MESSAGE*
-- messageDescription : WS_MESSAGE_DESCRIPTION*
-- writeOption : WS_WRITE_OPTION
-- bodyValue : void* optional
-- bodyValueSize : DWORD
-- asyncContext : WS_ASYNC_CONTEXT* optional
-- error : WS_ERROR* optional
-- 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('webservices.dll');
const WsSendMessage = lib.func('__stdcall', 'WsSendMessage', 'int32_t', ['intptr_t *', 'intptr_t *', 'void *', 'int32_t', 'void *', 'uint32_t', 'void *', 'intptr_t *']);
// WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)
// channel : WS_CHANNEL* -> 'intptr_t *'
// message : WS_MESSAGE* -> 'intptr_t *'
// messageDescription : WS_MESSAGE_DESCRIPTION* -> 'void *'
// writeOption : WS_WRITE_OPTION -> 'int32_t'
// bodyValue : void* optional -> 'void *'
// bodyValueSize : DWORD -> 'uint32_t'
// asyncContext : WS_ASYNC_CONTEXT* optional -> 'void *'
// error : WS_ERROR* optional -> 'intptr_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("webservices.dll", {
  WsSendMessage: { parameters: ["pointer", "pointer", "pointer", "i32", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error)
// channel : WS_CHANNEL* -> "pointer"
// message : WS_MESSAGE* -> "pointer"
// messageDescription : WS_MESSAGE_DESCRIPTION* -> "pointer"
// writeOption : WS_WRITE_OPTION -> "i32"
// bodyValue : void* optional -> "pointer"
// bodyValueSize : DWORD -> "u32"
// asyncContext : WS_ASYNC_CONTEXT* optional -> "pointer"
// error : WS_ERROR* optional -> "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 WsSendMessage(
    intptr_t* channel,
    intptr_t* message,
    void* messageDescription,
    int32_t writeOption,
    void* bodyValue,
    uint32_t bodyValueSize,
    void* asyncContext,
    intptr_t* error);
C, "webservices.dll");
// $ffi->WsSendMessage(channel, message, messageDescription, writeOption, bodyValue, bodyValueSize, asyncContext, error);
// channel : WS_CHANNEL*
// message : WS_MESSAGE*
// messageDescription : WS_MESSAGE_DESCRIPTION*
// writeOption : WS_WRITE_OPTION
// bodyValue : void* optional
// bodyValueSize : DWORD
// asyncContext : WS_ASYNC_CONTEXT* optional
// error : WS_ERROR* optional
// 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 Webservices extends StdCallLibrary {
    Webservices INSTANCE = Native.load("webservices", Webservices.class);
    int WsSendMessage(
        LongByReference channel,   // WS_CHANNEL*
        LongByReference message,   // WS_MESSAGE*
        Pointer messageDescription,   // WS_MESSAGE_DESCRIPTION*
        int writeOption,   // WS_WRITE_OPTION
        Pointer bodyValue,   // void* optional
        int bodyValueSize,   // DWORD
        Pointer asyncContext,   // WS_ASYNC_CONTEXT* optional
        LongByReference error   // WS_ERROR* optional
    );
}

@[Link("webservices")]
lib Libwebservices
  fun WsSendMessage = WsSendMessage(
    channel : LibC::SSizeT*,   # WS_CHANNEL*
    message : LibC::SSizeT*,   # WS_MESSAGE*
    messageDescription : WS_MESSAGE_DESCRIPTION*,   # WS_MESSAGE_DESCRIPTION*
    writeOption : Int32,   # WS_WRITE_OPTION
    bodyValue : Void*,   # void* optional
    bodyValueSize : UInt32,   # DWORD
    asyncContext : WS_ASYNC_CONTEXT*,   # WS_ASYNC_CONTEXT* optional
    error : LibC::SSizeT*   # WS_ERROR* optional
  ) : 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 WsSendMessageNative = Int32 Function(Pointer<IntPtr>, Pointer<IntPtr>, Pointer<Void>, Int32, Pointer<Void>, Uint32, Pointer<Void>, Pointer<IntPtr>);
typedef WsSendMessageDart = int Function(Pointer<IntPtr>, Pointer<IntPtr>, Pointer<Void>, int, Pointer<Void>, int, Pointer<Void>, Pointer<IntPtr>);
final WsSendMessage = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsSendMessageNative, WsSendMessageDart>('WsSendMessage');
// channel : WS_CHANNEL* -> Pointer<IntPtr>
// message : WS_MESSAGE* -> Pointer<IntPtr>
// messageDescription : WS_MESSAGE_DESCRIPTION* -> Pointer<Void>
// writeOption : WS_WRITE_OPTION -> Int32
// bodyValue : void* optional -> Pointer<Void>
// bodyValueSize : DWORD -> Uint32
// asyncContext : WS_ASYNC_CONTEXT* optional -> Pointer<Void>
// error : WS_ERROR* optional -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WsSendMessage(
  channel: Pointer;   // WS_CHANNEL*
  message: Pointer;   // WS_MESSAGE*
  messageDescription: Pointer;   // WS_MESSAGE_DESCRIPTION*
  writeOption: Integer;   // WS_WRITE_OPTION
  bodyValue: Pointer;   // void* optional
  bodyValueSize: DWORD;   // DWORD
  asyncContext: Pointer;   // WS_ASYNC_CONTEXT* optional
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsSendMessage';

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

foreign import stdcall safe "WsSendMessage"
  c_WsSendMessage :: Ptr CIntPtr -> Ptr CIntPtr -> Ptr () -> Int32 -> Ptr () -> Word32 -> Ptr () -> Ptr CIntPtr -> IO Int32
-- channel : WS_CHANNEL* -> Ptr CIntPtr
-- message : WS_MESSAGE* -> Ptr CIntPtr
-- messageDescription : WS_MESSAGE_DESCRIPTION* -> Ptr ()
-- writeOption : WS_WRITE_OPTION -> Int32
-- bodyValue : void* optional -> Ptr ()
-- bodyValueSize : DWORD -> Word32
-- asyncContext : WS_ASYNC_CONTEXT* optional -> Ptr ()
-- error : WS_ERROR* optional -> Ptr CIntPtr
-- 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 wssendmessage =
  foreign "WsSendMessage"
    ((ptr intptr_t) @-> (ptr intptr_t) @-> (ptr void) @-> int32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr intptr_t) @-> returning int32_t)
(* channel : WS_CHANNEL* -> (ptr intptr_t) *)
(* message : WS_MESSAGE* -> (ptr intptr_t) *)
(* messageDescription : WS_MESSAGE_DESCRIPTION* -> (ptr void) *)
(* writeOption : WS_WRITE_OPTION -> int32_t *)
(* bodyValue : void* optional -> (ptr void) *)
(* bodyValueSize : DWORD -> uint32_t *)
(* asyncContext : WS_ASYNC_CONTEXT* optional -> (ptr void) *)
(* error : WS_ERROR* optional -> (ptr intptr_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 webservices (t "webservices.dll"))
(cffi:use-foreign-library webservices)

(cffi:defcfun ("WsSendMessage" ws-send-message :convention :stdcall) :int32
  (channel :pointer)   ; WS_CHANNEL*
  (message :pointer)   ; WS_MESSAGE*
  (message-description :pointer)   ; WS_MESSAGE_DESCRIPTION*
  (write-option :int32)   ; WS_WRITE_OPTION
  (body-value :pointer)   ; void* optional
  (body-value-size :uint32)   ; DWORD
  (async-context :pointer)   ; WS_ASYNC_CONTEXT* optional
  (error :pointer))   ; WS_ERROR* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WsSendMessage = Win32::API::More->new('webservices',
    'int WsSendMessage(LPVOID channel, LPVOID message, LPVOID messageDescription, int writeOption, LPVOID bodyValue, DWORD bodyValueSize, LPVOID asyncContext, LPVOID error)');
# my $ret = $WsSendMessage->Call($channel, $message, $messageDescription, $writeOption, $bodyValue, $bodyValueSize, $asyncContext, $error);
# channel : WS_CHANNEL* -> LPVOID
# message : WS_MESSAGE* -> LPVOID
# messageDescription : WS_MESSAGE_DESCRIPTION* -> LPVOID
# writeOption : WS_WRITE_OPTION -> int
# bodyValue : void* optional -> LPVOID
# bodyValueSize : DWORD -> DWORD
# asyncContext : WS_ASYNC_CONTEXT* optional -> LPVOID
# error : WS_ERROR* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

WsSendMessage

シグネチャ

パラメーター

各言語での呼び出し定義

関連項目