FileStatsTarget.cpp

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/*
// $Id: //open/dev/fennel/common/FileStatsTarget.cpp#9 $
// Fennel is a library of data storage and processing components.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2005-2009 SQLstream, Inc.
// Copyright (C) 2005-2009 LucidEra, Inc.
// Portions Copyright (C) 1999-2009 John V. Sichi
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 of the License, or (at your option)
// any later version approved by The Eigenbase Project.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "fennel/common/CommonPreamble.h"
#include "fennel/common/FileStatsTarget.h"
#include "fennel/common/StatsSource.h"

FENNEL_BEGIN_CPPFILE("$Id: //open/dev/fennel/common/FileStatsTarget.cpp#9 $");

FileStatsTarget::FileStatsTarget(std::string filenameInit)
{
    filename = filenameInit;
}

std::string FileStatsTarget::getFilename() const
{
    return filename;
}

void FileStatsTarget::beginSnapshot()
{
    assert(!filename.empty());
    snapshotStream.open(filename.c_str(),std::ios::trunc);

    // TODO:  re-enable this.  I disabled it since /tmp/fennel.stats
    // can't be opened on mingw; need to parameterize it better
    // (or put in Performance Monitor integration)

    // assert(snapshotStream.good());
}

void FileStatsTarget::endSnapshot()
{
    snapshotStream.close();
}

void FileStatsTarget::writeCounter(std::string name,int64_t value)
{
    snapshotStream << name << ' ' << value << std::endl;
}

StatsSource::~StatsSource()
{
}

StatsTarget::~StatsTarget()
{
}

FENNEL_END_CPPFILE("$Id: //open/dev/fennel/common/FileStatsTarget.cpp#9 $");

// End FileStatsTarget.cpp

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