bool MultiprocessRollingFileAppender::isAlreadyRolled()

in src/main/cpp/multiprocessrollingfileappender.cpp [177:211]

• 32 lines of code
• 13 McCabe index (conditional complexity)

bool MultiprocessRollingFileAppender::isAlreadyRolled(const LogString& fileName, size_t* pSize)
{
	if( !_priv->log_file )
		return false;
	apr_int32_t wantedInfo = APR_FINFO_IDENT;
	if (pSize)
		wantedInfo |= APR_FINFO_SIZE;
	apr_finfo_t finfo1;
	apr_status_t st1 = apr_file_info_get(&finfo1, wantedInfo, _priv->log_file);

	if (st1 != APR_SUCCESS)
		LogLog::warn(LOG4CXX_STR("apr_file_info_get failed"));
	else if (pSize)
		*pSize = finfo1.size;

	LOG4CXX_ENCODE_CHAR(fname, fileName);
	apr_status_t st2;
	apr_finfo_t finfo2;
	int retryCount = 0;
	while (APR_SUCCESS != (st2 = apr_stat(&finfo2, fname.c_str(), wantedInfo, _priv->pool.getAPRPool())))
	{
		if (5 == ++retryCount)
			break;
		using namespace std::chrono_literals;
		std::this_thread::sleep_for(30ms);
	}
	if (st2 != APR_SUCCESS)
		LogLog::warn(fileName + LOG4CXX_STR(": apr_stat failed."));
	else if (pSize)
		*pSize = finfo2.size;

	return st2 != APR_SUCCESS ||
		((st1 == APR_SUCCESS) && (st2 == APR_SUCCESS) &&
		((finfo1.device != finfo2.device) || (finfo1.inode != finfo2.inode)));
}