genesis-3d_engine/Engine/foundation/debug/win32/win32minidump.cc

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/****************************************************************************
Copyright (c) 2007, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifdef WIN32
#include "stdneb.h"
#include "debug/win32/win32minidump.h"
namespace Win32
{
using namespace Util;
//------------------------------------------------------------------------------
/**
This static method registers our own exception handler with Windows.
*/
void
Win32MiniDump::Setup()
{
SetUnhandledExceptionFilter(Win32MiniDump::ExceptionCallback);
}
//------------------------------------------------------------------------------
/**
This method is called by n_assert() and n_error() to write out
a minidump file.
*/
bool
Win32MiniDump::WriteMiniDump()
{
return Win32MiniDump::WriteMiniDumpInternal(0);
}
//------------------------------------------------------------------------------
/**
Private method to write a mini-dump with extra exception info. This
method is either called from the public WriteMiniDump() method or
from the ExceptionCallback() function.
*/
bool
Win32MiniDump::WriteMiniDumpInternal(EXCEPTION_POINTERS* exceptionInfo)
{
#if (NEBULA3_ENABLE_MINIDUMPS)
String dumpFilename = BuildMiniDumpFilename();
if (dumpFilename.IsValid())
{
HANDLE hFile = CreateFile(dumpFilename.AsCharPtr(), // lpFileName
GENERIC_WRITE, // dwDesiredAccess
FILE_SHARE_READ, // dwShareMode
0, // lpSecurityAttributes
CREATE_ALWAYS, // dwCreationDisposition,
FILE_ATTRIBUTE_NORMAL, // dwFlagsAndAttributes
NULL); // hTemplateFile
if (NULL != hFile)
{
HANDLE hProc = GetCurrentProcess();
DWORD procId = GetCurrentProcessId();
BOOL res = FALSE;
if (NULL != exceptionInfo)
{
// extended exception info is available
MINIDUMP_EXCEPTION_INFORMATION extInfo = { 0 };
extInfo.ThreadId = GetCurrentThreadId();
extInfo.ExceptionPointers = exceptionInfo;
extInfo.ClientPointers = TRUE;
res = MiniDumpWriteDump(hProc, procId, hFile, MiniDumpNormal, &extInfo, NULL, NULL);
}
else
{
// extended exception info is not available
res = MiniDumpWriteDump(hProc, procId, hFile, MiniDumpNormal, NULL, NULL, NULL);
}
CloseHandle(hFile);
return true;
}
}
#endif
return false;
}
//------------------------------------------------------------------------------
/**
*/
String
Win32MiniDump::BuildMiniDumpFilename()
{
String dumpFilename;
// get our module filename directly from windows
TCHAR buf[512];
Memory::Clear(buf, sizeof(buf));
DWORD numBytes = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
if (numBytes > 0)
{
String modulePath(buf);
String moduleName = modulePath.ExtractFileName();
moduleName.StripFileExtension();
modulePath = modulePath.ExtractToLastSlash();
// get the current calender time
SYSTEMTIME t;
::GetLocalTime(&t);
String timeStr;
timeStr.Format("%04d-%02d-%02d_%02d-%02d-%02d", t.wYear, t.wMonth, t.wDay, t.wHour, t.wMinute, t.wSecond);
// build the dump filename
dumpFilename.Format("%s%s_%s.dmp", modulePath.AsCharPtr(), moduleName.AsCharPtr(), timeStr.AsCharPtr());
}
return dumpFilename;
}
//------------------------------------------------------------------------------
/**
Exception handler function called back by Windows when something
unexpected happens.
*/
LONG WINAPI
Win32MiniDump::ExceptionCallback(EXCEPTION_POINTERS* exceptionInfo)
{
Win32MiniDump::WriteMiniDumpInternal(exceptionInfo);
return EXCEPTION_CONTINUE_SEARCH;
}
} // namespace Debug
#endif