void CMainFrame::OnSaveListLog()
{
CString szFilter = "日志文件(*.txt)|*.txt|";
CFileDialog m_filedialog(FALSE,NULL,"pslog.txt",
OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,szFilter,this);
if(m_filedialog.DoModal()!=IDOK) return;
CFile m_File(m_filedialog.GetPathName(),
CFile::modeCreate|CFile::modeWrite);
int nCount = pEventView->GetListCtrl().GetSelectedCount();
for(int i = 0; i < pEventView->
GetListCtrl().GetItemCount(); i++)
{
char m_Text[512] = {0};
sprintf(m_Text,"发生时间：%s 事件内容：%s\r\n",
pEventView->GetListCtrl().GetItemText(i,0),
pEventView->GetListCtrl().GetItemText(i,1));
m_File.Write(m_Text,strlen(m_Text));
}
m_File.Close();
}
/*!
* \brief Obtain a backtrace and print it to stdout.
*
* If GDB can be used to get a backtrace then we use it, otherwise and only
* if TA3D_BUILTIN_BACKTRACE_SUPPORT is defined, a backtrace is obtained
* then writen into a log file. It will be displayed in stdout when gdb is missing.
* After this call, the program will exit with a exit status code equals
* to `-1`.
*
* \param signum Which signal was received
*/
void backtrace_handler (int signum)
{
// Some functions called at exit may crash, so we must disable signals in order
// to prevent overwriting a useful log
clear_signals();
// Get TA3D's PID
pid_t mypid = getpid();
// Try to get a stack trace from GDB
String::Vector threads;
TA3D::System::run_command(String("gdb --pid=") << mypid << " -ex \"info threads\" --batch").split(threads, "\n");
if (!threads.empty())
{
String cmd;
cmd << "gdb --pid="
<< mypid
<< " -ex \"info threads\"";
for(size_t i = 0 ; i < threads.size() ; ++i)
{
String &line = threads[i];
if (line.startsWith('[')
|| line.startsWith("0x")
|| line.startsWith('#'))
continue;
if (line.startsWith('*'))
{
line[0] = ' ';
line.trimLeft(' ');
}
const int id = line.to<int>();
if (id <= 0)
continue;
cmd << " -ex \"thread " << id << "\" -ex bt";
}
cmd << " --batch";
const String trace = TA3D::System::run_command(cmd);
if (!trace.empty())
{
bug_reporter(trace);
exit(-1);
}
}
// If GDB is not available or returned an error we must find another way ... this is now platform dependent
# ifdef TA3D_BUILTIN_BACKTRACE_SUPPORT
// Retrieving a backtrace
void *array[400];
int size = backtrace (array, 400);
char** strings = backtrace_symbols(array, size);
// Try to log it
Yuni::Core::IO::File::Stream m_File(String(TA3D::Paths::Logs) << "backtrace.txt", Yuni::Core::IO::OpenMode::write);
if(m_File.opened())
{
m_File << "received signal " << strsignal( signum ) << "\n";
m_File << "Obtained " << size << " stack frames.\n";
for (int i = 0; i < size; ++i)
m_File << strings[i] << "\n";
m_File.flush();
m_File.close();
printf("received signal %s\n", strsignal( signum ));
printf ("Obtained %d stack frames.\n", static_cast<int>(size));
for (int i = 0; i < size; ++i)
printf ("%s\n", strings[i]);
String szErrReport;
szErrReport << "An error has occured.\nDebugging information have been logged to:\n"
<< TA3D::Paths::Logs
<< "backtrace.txt\nPlease report to our forums (http://www.ta3d.org/)\nand keep this file, it'll help us debugging.\n";
criticalMessage(szErrReport);
}
else
{
// The file is not opened
// The backtrace will be directly to stdout instead.
printf("received signal %s\n", strsignal(signum));
printf("couldn't open file for writing!!\n");
printf ("Obtained %d stack frames.\n", static_cast<int>(size));
for (int i = 0; i < size; ++i)
printf ("%s\n", strings[i]);
}
free(strings);
# else // ifdef TA3D_BUILTIN_BACKTRACE_SUPPORT
// The backtrace support is disabled: warns the user
String szErrReport = "An error has occured.\nDebugging information could not be logged.\nPlease report to our forums (http://www.ta3d.org/) so we can fix it.";
criticalMessage(szErrReport);
# endif // ifdef TA3D_BUILTIN_BACKTRACE_SUPPORT
exit(-1);
}
