DbException::DbException(const DbException &that)
: __DB_STD(exception)()
, what_(dupString(that.what_))
, err_(that.err_)
, dbenv_(0)
{
}
DbException &DbException::operator = (const DbException &that)
{
if (this != &that) {
err_ = that.err_;
delete [] what_;
what_ = dupString(that.what_);
}
return (*this);
}
void DbException::describe(const char *prefix, const char *description)
{
char *msgbuf, *p, *end;
msgbuf = new char[MAX_DESCRIPTION_LENGTH];
p = msgbuf;
end = msgbuf + MAX_DESCRIPTION_LENGTH - 1;
if (prefix != NULL) {
strncpy(p, prefix, (p < end) ? end - p: 0);
p += strlen(prefix);
strncpy(p, ": ", (p < end) ? end - p: 0);
p += 2;
}
if (description != NULL) {
strncpy(p, description, (p < end) ? end - p: 0);
p += strlen(description);
if (err_ != 0) {
strncpy(p, ": ", (p < end) ? end - p: 0);
p += 2;
}
}
if (err_ != 0) {
strncpy(p, db_strerror(err_), (p < end) ? end - p: 0);
p += strlen(db_strerror(err_));
}
/*
* If the result was too long, the buffer will not be null-terminated,
* so we need to fix that here before duplicating it.
*/
if (p >= end)
*end = '\0';
what_ = dupString(msgbuf);
delete [] msgbuf;
}
void GlobalExceptionHandler::terminate() throw()
{
// add cerr to the log stream
// and write all available information on
// the exception to the log stream (potentially with an assigned file!)
// and cerr
std::cout << std::endl;
std::cout << "---------------------------------------------------" << std::endl;
std::cout << "FATAL: uncaught exception!" << std::endl;
std::cout << "---------------------------------------------------" << std::endl;
if ((line_() != -1) && (name_() != "unknown"))
{
std::cout << "last entry in the exception handler: " << std::endl;
std::cout << "exception of type " << name_().c_str() << " occured in line "
<< line_() << ", function " << function_() << " of " << file_().c_str() << std::endl;
std::cout << "error message: " << what_().c_str() << std::endl;
}
std::cout << "---------------------------------------------------" << std::endl;
#ifndef OPENMS_WINDOWSPLATFORM
// if the environment variable declared in OPENMS_CORE_DUMP_ENVNAME
// is set, provoke a core dump (this is helpful to get a stack traceback)
if (getenv(OPENMS_CORE_DUMP_ENVNAME) != 0)
{
#ifdef OPENMS_HAS_KILL
std::cout << "dumping core file.... (to avoid this, unset " << OPENMS_CORE_DUMP_ENVNAME
<< " in your environment)" << std::endl;
// provoke a core dump
kill(getpid(), SIGSEGV);
#endif
}
#endif
// otherwise exit as default terminate() would:
abort();
}
