log.cpp

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/***************************************************************************
 * lib/common/log.cpp
 *
 * Part of the STXXL. See http://stxxl.sourceforge.net
 *
 * Copyright (C) 2004-2005 Roman Dementiev <[email protected]>
 * Copyright (C) 2008 Johannes Singler <[email protected]>
 * Copyright (C) 2009 Andreas Beckmann <[email protected]>
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE_1_0.txt or copy at
 * http://www.boost.org/LICENSE_1_0.txt)
 **************************************************************************/

#include <stxxl/bits/common/log.h>
#include <stxxl/bits/namespace.h>

#include <cstdlib>

STXXL_BEGIN_NAMESPACE

logger::logger() : waitlog_stream_(NULL)
{
 const char* log_filename = getenv("STXXLLOGFILE");
 log_stream_.open(log_filename == NULL ? "stxxl.log" : log_filename);
 const char* errlog_filename = getenv("STXXLERRLOGFILE");
 errlog_stream_.open(errlog_filename == NULL ? "stxxl.errlog" : errlog_filename);
#ifdef STXXL_WAIT_LOG_ENABLED
 const char* waitlog_filename = getenv("STXXLWAITLOGFILE");
 if (waitlog_filename) {
 waitlog_stream_ = new std::ofstream(waitlog_filename);
 *waitlog_stream_ << "# time\trd_incr\twr_incr\tw_read\tw_write" << std::endl;
 }
#endif
}

logger::~logger()
{
 delete waitlog_stream_;
}

STXXL_END_NAMESPACE