#include "stdafx.h"
#include <windows.h>

#include <tchar.h>

#include <dbghelp.h>

#include <string>



#include "CrashDumper.h"







#pragma comment(lib, "dbghelp.lib")



//CrashDumper dumper;

CrashDumper::CrashDumper()

{

	m_OriginalFilter = SetUnhandledExceptionFilter(ExceptionFilter);

}



CrashDumper::~CrashDumper()

{

	SetUnhandledExceptionFilter(m_OriginalFilter);

}



LONG WINAPI CrashDumper::ExceptionFilter(struct _EXCEPTION_POINTERS* ExceptionInfo)

{

	bool bDumpOK = false;

	DWORD dwProcess = GetCurrentProcessId();

	HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProcess);

	if (hProcess != INVALID_HANDLE_VALUE)

	{

		TCHAR szPath[MAX_PATH];

		if (GetModuleFileName(NULL, szPath, sizeof(szPath)))

		{
			wstring strDumpFileName = szPath;

			strDumpFileName += TEXT(".dmp");

			HANDLE hFile = CreateFile(strDumpFileName.c_str(), FILE_ALL_ACCESS, 0, NULL, CREATE_ALWAYS, NULL, NULL);

			if (hFile != INVALID_HANDLE_VALUE)

			{

				MINIDUMP_EXCEPTION_INFORMATION exception_information;

				exception_information.ThreadId = GetCurrentThreadId();

				exception_information.ExceptionPointers = ExceptionInfo;

				exception_information.ClientPointers = TRUE;

				if (MiniDumpWriteDump(hProcess, dwProcess, hFile, MiniDumpNormal, &exception_information, NULL, NULL))

				{
					bDumpOK = true;

				}
				CloseHandle(hFile);

			}

		}
		CloseHandle(hProcess);

	}



	//if (bDumpOK)

	//	MessageBox(NULL, TEXT("本程序遇到未处理的异常，MiniDump文件已经生成在程序的运行目录。"), TEXT("提示"), MB_OK);

	//else

	//	MessageBox(NULL, TEXT("本程序遇到未处理的异常，生成MiniDump文件失败。"), TEXT("提示"), MB_OK);

	return EXCEPTION_EXECUTE_HANDLER;

}


bool CrashDumper::_PlaceHolder() { return true; }