ホーム › NetworkManagement.IpHelper › GetTcpStatistics

GetTcpStatistics

関数

TCPプロトコルの統計情報を取得する。

DLLIPHLPAPI.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

DWORD GetTcpStatistics(
    MIB_TCPSTATS_LH* Statistics
);

パラメーター

名前	型	方向
Statistics	MIB_TCPSTATS_LH*	out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD GetTcpStatistics(
    MIB_TCPSTATS_LH* Statistics
);

[DllImport("IPHLPAPI.dll", ExactSpelling = true)]
static extern uint GetTcpStatistics(
    IntPtr Statistics   // MIB_TCPSTATS_LH* out
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function GetTcpStatistics(
    Statistics As IntPtr   ' MIB_TCPSTATS_LH* out
) As UInteger
End Function

' Statistics : MIB_TCPSTATS_LH* out
Declare PtrSafe Function GetTcpStatistics Lib "iphlpapi" ( _
    ByVal Statistics 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

GetTcpStatistics = ctypes.windll.iphlpapi.GetTcpStatistics
GetTcpStatistics.restype = wintypes.DWORD
GetTcpStatistics.argtypes = [
    ctypes.c_void_p,  # Statistics : MIB_TCPSTATS_LH* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
GetTcpStatistics = Fiddle::Function.new(
  lib['GetTcpStatistics'],
  [
    Fiddle::TYPE_VOIDP,  # Statistics : MIB_TCPSTATS_LH* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn GetTcpStatistics(
        Statistics: *mut MIB_TCPSTATS_LH  // MIB_TCPSTATS_LH* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint GetTcpStatistics(IntPtr Statistics);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_GetTcpStatistics' -Namespace Win32 -PassThru
# $api::GetTcpStatistics(Statistics)

#uselib "IPHLPAPI.dll"
#func global GetTcpStatistics "GetTcpStatistics" sptr
; GetTcpStatistics varptr(Statistics)   ; 戻り値は stat
; Statistics : MIB_TCPSTATS_LH* 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 "IPHLPAPI.dll"
#cfunc global GetTcpStatistics "GetTcpStatistics" var
; res = GetTcpStatistics(Statistics)
; Statistics : MIB_TCPSTATS_LH* 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。#uselib "IPHLPAPI.dll"
#cfunc global GetTcpStatistics "GetTcpStatistics" sptr
; res = GetTcpStatistics(varptr(Statistics))
; Statistics : MIB_TCPSTATS_LH* 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:

; DWORD GetTcpStatistics(MIB_TCPSTATS_LH* Statistics)
#uselib "IPHLPAPI.dll"
#cfunc global GetTcpStatistics "GetTcpStatistics" var
; res = GetTcpStatistics(Statistics)
; Statistics : MIB_TCPSTATS_LH* 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。; DWORD GetTcpStatistics(MIB_TCPSTATS_LH* Statistics)
#uselib "IPHLPAPI.dll"
#cfunc global GetTcpStatistics "GetTcpStatistics" intptr
; res = GetTcpStatistics(varptr(Statistics))
; Statistics : MIB_TCPSTATS_LH* 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 (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procGetTcpStatistics = iphlpapi.NewProc("GetTcpStatistics")
)

// Statistics (MIB_TCPSTATS_LH* out)
r1, _, err := procGetTcpStatistics.Call(
	uintptr(Statistics),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetTcpStatistics(
  Statistics: Pointer   // MIB_TCPSTATS_LH* out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetTcpStatistics';

result := DllCall("IPHLPAPI\GetTcpStatistics"
    , "Ptr", Statistics   ; MIB_TCPSTATS_LH* out
    , "UInt")   ; return: DWORD

●GetTcpStatistics(Statistics) = DLL("IPHLPAPI.dll", "dword GetTcpStatistics(void*)")
# 呼び出し: GetTcpStatistics(Statistics)
# Statistics : MIB_TCPSTATS_LH* 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)。