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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2018-2021 WireGuard LLC. All Rights Reserved.
*/
#pragma once
#include "wintun.h"
#include "entry.h"
#include <Windows.h>
extern WINTUN_LOGGER_CALLBACK Logger;
/**
* @copydoc WINTUN_SET_LOGGER_FUNC
*/
void WINAPI
WintunSetLogger(_In_ WINTUN_LOGGER_CALLBACK NewLogger);
_Post_equals_last_error_ DWORD
LoggerLog(_In_ WINTUN_LOGGER_LEVEL Level, _In_z_ const WCHAR *Function, _In_z_ const WCHAR *LogLine);
_Post_equals_last_error_ DWORD
LoggerError(_In_z_ const WCHAR *Function, _In_z_ const WCHAR *Prefix, _In_ DWORD Error);
static inline _Post_equals_last_error_ DWORD
LoggerLastError(_In_z_ const WCHAR *Function, _In_z_ const WCHAR *Prefix)
{
DWORD LastError = GetLastError();
LoggerError(Function, Prefix, LastError);
SetLastError(LastError);
return LastError;
}
#define __L(x) L##x
#define _L(x) __L(x)
#define LOG(lvl, msg) (LoggerLog((lvl), _L(__FUNCTION__), msg))
#define LOG_ERROR(msg, err) (LoggerError(_L(__FUNCTION__), msg, (err)))
#define LOG_LAST_ERROR(msg) (LoggerLastError(_L(__FUNCTION__), msg))
#define RET_ERROR(Ret, Error) ((Error) == ERROR_SUCCESS ? (Ret) : (SetLastError(Error), 0))
static inline _Return_type_success_(return != NULL) _Ret_maybenull_
_Post_writable_byte_size_(Size) void *LoggerAlloc(_In_z_ const WCHAR *Function, _In_ DWORD Flags, _In_ SIZE_T Size)
{
void *Data = HeapAlloc(ModuleHeap, Flags, Size);
if (!Data)
{
LoggerLog(WINTUN_LOG_ERR, Function, L"Out of memory");
SetLastError(ERROR_OUTOFMEMORY);
}
return Data;
}
#define Alloc(Size) LoggerAlloc(_L(__FUNCTION__), 0, Size)
#define Zalloc(Size) LoggerAlloc(_L(__FUNCTION__), HEAP_ZERO_MEMORY, Size)
static inline void
Free(void *Ptr)
{
if (!Ptr)
return;
DWORD LastError = GetLastError();
HeapFree(ModuleHeap, 0, Ptr);
SetLastError(LastError);
}
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