eventvwr.h

Go to the documentation of this file.

/*
 * PROJECT:     ReactOS Event Log Viewer
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * PURPOSE:     Event Log Viewer header.
 * COPYRIGHT:   Copyright 2007 Marc Piulachs <marc.piulachs@codexchange.net>
 *              Copyright 2008-2016 Eric Kohl <eric.kohl@reactos.org>
 *              Copyright 2016-2022 Hermès Bélusca-Maïto <hermes.belusca-maito@reactos.org>
 */
 
#ifndef _EVENTVWR_PCH_
#define _EVENTVWR_PCH_
 
#pragma once
 
/* C Headers */
#include <stdio.h>
#include <stdlib.h>
 
#include <assert.h>
#define ASSERT(x) assert(x)
 
/* PSDK Headers */
#define WIN32_NO_STATUS
#include <windef.h>
#include <winbase.h>
#include <wingdi.h>
#include <winuser.h>
#include <winnls.h>
#include <winreg.h>
 
#include <ndk/rtlfuncs.h> // For linked-lists.
 
#define ROUND_DOWN(n, align) (((ULONG)n) & ~((align) - 1l))
#define ROUND_UP(n, align) ROUND_DOWN(((ULONG)n) + (align) - 1, (align))
 
#include <strsafe.h>
 
#include <commctrl.h>
#include <commdlg.h>
 
#include <richedit.h>
 
/* Missing RichEdit flags in our richedit.h */
#define AURL_ENABLEURL          1
#define AURL_ENABLEEMAILADDR    2
#define AURL_ENABLETELNO        4
#define AURL_ENABLEEAURLS       8
#define AURL_ENABLEDRIVELETTERS 16
 
#include <windowsx.h>
 
/*
 * windowsx.h extensions
 */
#define EnableDlgItem(hDlg, nID, bEnable)   \
    EnableWindow(GetDlgItem((hDlg), (nID)), (bEnable))
 
#define ProgressBar_SetPos(hwndCtl,pos)    \
    ((int)SNDMSG((hwndCtl),PBM_SETPOS,(WPARAM)(int)(pos),(LPARAM)0))
#define ProgressBar_SetRange(hwndCtl,range)    \
    ((int)SNDMSG((hwndCtl),PBM_SETRANGE,(WPARAM)0,(LPARAM)(range)))
#define ProgressBar_SetStep(hwndCtl,inc)    \
    ((int)SNDMSG((hwndCtl),PBM_SETSTEP,(WPARAM)(int)(inc),(LPARAM)0))
#define ProgressBar_StepIt(hwndCtl)         \
    ((int)SNDMSG((hwndCtl),PBM_STEPIT,(WPARAM)0,(LPARAM)0))
 
#define StatusBar_GetItemRect(hwndCtl,index,lprc)   \
    ((BOOL)SNDMSG((hwndCtl),SB_GETRECT,(WPARAM)(int)(index),(LPARAM)(RECT*)(lprc)))
#define StatusBar_SetText(hwndCtl,index,data)   \
    ((BOOL)SNDMSG((hwndCtl),SB_SETTEXT,(WPARAM)(index),(LPARAM)(data)))
 
#ifndef WM_APP
    #define WM_APP 0x8000
#endif
 
#include "resource.h"
 
extern HINSTANCE hInst;
 
 
/*
 * Structure that caches information about an opened event log.
 */
typedef struct _EVENTLOG
{
    LIST_ENTRY ListEntry;
 
    // HANDLE hEventLog;       // At least for user logs, a handle is kept opened (by eventlog service) as long as the event viewer has the focus on this log.
 
    PWSTR ComputerName;     // Computer where the log resides
 
    PWSTR LogName;          // Internal name (from registry, or file path for user logs)
    PWSTR FileName;         // Cached, for user logs; retrieved once (at startup) from registry for system logs (i.e. may be different from the one opened by the eventlog service)
    // PWSTR DisplayName;     // The default value is the one computed; can be modified by the user for this local session only.
    // We can use the TreeView' item name for the DisplayName...
    BOOL Permanent;         // TRUE: system log; FALSE: user log
 
    // ULONG Flags;
    // ULONG MaxSize;          // Always retrieved from registry (only valid for system logs)
    // ULONG Retention;        // Always retrieved from registry (only valid for system logs)
} EVENTLOG, *PEVENTLOG;
 
typedef struct _EVENTLOGFILTER
{
    LIST_ENTRY ListEntry;
 
    LONG ReferenceCount;
 
    // HANDLE hEnumEventsThread;
    // HANDLE hStopEnumEvent;
 
    // PWSTR DisplayName;     // The default value is the one computed; can be modified by the user for this local session only.
    // We can use the TreeView' item name for the DisplayName...
 
    BOOL Information;
    BOOL Warning;
    BOOL Error;
    BOOL AuditSuccess;
    BOOL AuditFailure;
 
    // ULONG Category;
    ULONG EventID;
 
    /*
     * The following three string filters are multi-strings that enumerate
     * the list of sources/users/computers to be shown. If a string points
     * to an empty string: "\0", it filters for an empty source/user/computer.
     * If a string points to NULL, it filters for all sources/users/computers.
     */
    PWSTR Sources;
    PWSTR Users;
    PWSTR ComputerNames;
 
    /* List of event logs maintained by this filter */
    ULONG NumOfEventLogs;
    PEVENTLOG EventLogs[ANYSIZE_ARRAY];
} EVENTLOGFILTER, *PEVENTLOGFILTER;
 
#endif /* _EVENTVWR_PCH_ */