Win32 API 日本語リファレンス
ホームSystem.Diagnostics.Etw › OpenTraceFromFile

OpenTraceFromFile

関数
ETLログファイルからトレースを消費用に開く。
DLLADVAPI32.dll呼出規約winapi

シグネチャ

// ADVAPI32.dll
#include <windows.h>

PROCESSTRACE_HANDLE OpenTraceFromFile(
    LPCWSTR LogFileName,
    const ETW_OPEN_TRACE_OPTIONS* Options,
    TRACE_LOGFILE_HEADER* LogFileHeader   // optional
);

パラメーター

名前方向
LogFileNameLPCWSTRin
OptionsETW_OPEN_TRACE_OPTIONS*in
LogFileHeaderTRACE_LOGFILE_HEADER*outoptional

戻り値の型: PROCESSTRACE_HANDLE

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

PROCESSTRACE_HANDLE OpenTraceFromFile(
    LPCWSTR LogFileName,
    const ETW_OPEN_TRACE_OPTIONS* Options,
    TRACE_LOGFILE_HEADER* LogFileHeader   // optional
);
[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern PROCESSTRACE_HANDLE OpenTraceFromFile(
    [MarshalAs(UnmanagedType.LPWStr)] string LogFileName,   // LPCWSTR
    IntPtr Options,   // ETW_OPEN_TRACE_OPTIONS*
    IntPtr LogFileHeader   // TRACE_LOGFILE_HEADER* optional, out
);
<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function OpenTraceFromFile(
    <MarshalAs(UnmanagedType.LPWStr)> LogFileName As String,   ' LPCWSTR
    Options As IntPtr,   ' ETW_OPEN_TRACE_OPTIONS*
    LogFileHeader As IntPtr   ' TRACE_LOGFILE_HEADER* optional, out
) As PROCESSTRACE_HANDLE
End Function
' LogFileName : LPCWSTR
' Options : ETW_OPEN_TRACE_OPTIONS*
' LogFileHeader : TRACE_LOGFILE_HEADER* optional, out
Declare PtrSafe Function OpenTraceFromFile Lib "advapi32" ( _
    ByVal LogFileName As LongPtr, _
    ByVal Options As LongPtr, _
    ByVal LogFileHeader As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

OpenTraceFromFile = ctypes.windll.advapi32.OpenTraceFromFile
OpenTraceFromFile.restype = ctypes.c_void_p
OpenTraceFromFile.argtypes = [
    wintypes.LPCWSTR,  # LogFileName : LPCWSTR
    ctypes.c_void_p,  # Options : ETW_OPEN_TRACE_OPTIONS*
    ctypes.c_void_p,  # LogFileHeader : TRACE_LOGFILE_HEADER* optional, out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
OpenTraceFromFile = Fiddle::Function.new(
  lib['OpenTraceFromFile'],
  [
    Fiddle::TYPE_VOIDP,  # LogFileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # Options : ETW_OPEN_TRACE_OPTIONS*
    Fiddle::TYPE_VOIDP,  # LogFileHeader : TRACE_LOGFILE_HEADER* optional, out
  ],
  Fiddle::TYPE_VOIDP)
#[link(name = "advapi32")]
extern "system" {
    fn OpenTraceFromFile(
        LogFileName: *const u16,  // LPCWSTR
        Options: *const ETW_OPEN_TRACE_OPTIONS,  // ETW_OPEN_TRACE_OPTIONS*
        LogFileHeader: *mut TRACE_LOGFILE_HEADER  // TRACE_LOGFILE_HEADER* optional, out
    ) -> PROCESSTRACE_HANDLE;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern PROCESSTRACE_HANDLE OpenTraceFromFile([MarshalAs(UnmanagedType.LPWStr)] string LogFileName, IntPtr Options, IntPtr LogFileHeader);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_OpenTraceFromFile' -Namespace Win32 -PassThru
# $api::OpenTraceFromFile(LogFileName, Options, LogFileHeader)
#uselib "ADVAPI32.dll"
#func global OpenTraceFromFile "OpenTraceFromFile" sptr, sptr, sptr
; OpenTraceFromFile LogFileName, varptr(Options), varptr(LogFileHeader)   ; 戻り値は stat
; LogFileName : LPCWSTR -> "sptr"
; Options : ETW_OPEN_TRACE_OPTIONS* -> "sptr"
; LogFileHeader : TRACE_LOGFILE_HEADER* optional, 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 "ADVAPI32.dll"
#cfunc global OpenTraceFromFile "OpenTraceFromFile" wstr, var, var
; res = OpenTraceFromFile(LogFileName, Options, LogFileHeader)
; LogFileName : LPCWSTR -> "wstr"
; Options : ETW_OPEN_TRACE_OPTIONS* -> "var"
; LogFileHeader : TRACE_LOGFILE_HEADER* optional, 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:
; PROCESSTRACE_HANDLE OpenTraceFromFile(LPCWSTR LogFileName, ETW_OPEN_TRACE_OPTIONS* Options, TRACE_LOGFILE_HEADER* LogFileHeader)
#uselib "ADVAPI32.dll"
#cfunc global OpenTraceFromFile "OpenTraceFromFile" wstr, var, var
; res = OpenTraceFromFile(LogFileName, Options, LogFileHeader)
; LogFileName : LPCWSTR -> "wstr"
; Options : ETW_OPEN_TRACE_OPTIONS* -> "var"
; LogFileHeader : TRACE_LOGFILE_HEADER* optional, 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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procOpenTraceFromFile = advapi32.NewProc("OpenTraceFromFile")
)

// LogFileName (LPCWSTR), Options (ETW_OPEN_TRACE_OPTIONS*), LogFileHeader (TRACE_LOGFILE_HEADER* optional, out)
r1, _, err := procOpenTraceFromFile.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(LogFileName))),
	uintptr(Options),
	uintptr(LogFileHeader),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // PROCESSTRACE_HANDLE
function OpenTraceFromFile(
  LogFileName: PWideChar;   // LPCWSTR
  Options: Pointer;   // ETW_OPEN_TRACE_OPTIONS*
  LogFileHeader: Pointer   // TRACE_LOGFILE_HEADER* optional, out
): PROCESSTRACE_HANDLE; stdcall;
  external 'ADVAPI32.dll' name 'OpenTraceFromFile';
result := DllCall("ADVAPI32\OpenTraceFromFile"
    , "WStr", LogFileName   ; LPCWSTR
    , "Ptr", Options   ; ETW_OPEN_TRACE_OPTIONS*
    , "Ptr", LogFileHeader   ; TRACE_LOGFILE_HEADER* optional, out
    , "Ptr")   ; return: PROCESSTRACE_HANDLE
●OpenTraceFromFile(LogFileName, Options, LogFileHeader) = DLL("ADVAPI32.dll", "void* OpenTraceFromFile(char*, void*, void*)")
# 呼び出し: OpenTraceFromFile(LogFileName, Options, LogFileHeader)
# LogFileName : LPCWSTR -> "char*"
# Options : ETW_OPEN_TRACE_OPTIONS* -> "void*"
# LogFileHeader : TRACE_LOGFILE_HEADER* optional, 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)。