// $Id$
//
// Copyright (C) 2008
// Fraunhofer Institute for Open Communication Systems (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     Stefan Bund <g0dil@berlios.de>
//
// 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.
//
// 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.

/** \file
    \brief Statistics inline non-template implementation */

//#include "Statistics.ih"

// Custom includes
#include <float.h>
#include "Range.hh"

#define prefix_ inline
//-/////////////////////////////////////////////////////////////////////////////////////////////////

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::StatisticsBase::Transform

prefix_ senf::StatisticsBase::Transform::result_type
senf::StatisticsBase::Transform::operator()(first_argument_type i)
    const
{
    return i.second;
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::StatisticsBase::OutputEntry

prefix_ senf::StatisticsBase::OutputEntry::OutputEntry()
    : n(), min(), avg(), max(), dev()
{
    initDir();
}

prefix_ senf::StatisticsBase::OutputEntry::OutputEntry(unsigned n_)
    : n(n_), min(), avg(), max(), dev()
{
    initDir();
}

prefix_ senf::StatisticsBase::OutputEntry::OutputEntry(const OutputEntry& other)
    : n(other.n), min(other.min), avg(other.avg), max(other.max), dev(other.dev)
{
    initDir();
}

prefix_ void senf::StatisticsBase::OutputEntry::initDir()
{
    namespace fty = senf::console::factory;

    dir.add("list", fty::Command(&OutputEntry::consoleList, this)
            .doc("List all known connected targets. This list might not be complete.") );
}

prefix_ senf::StatisticsBase::OutputEntry &
senf::StatisticsBase::OutputEntry::operator=(const OutputEntry& other)
{
    n = other.n;
    min = other.min;
    avg = other.avg;
    max = other.max;
    dev = other.dev;
    return *this;
}

prefix_ void senf::StatisticsBase::OutputEntry::consoleList(std::ostream & os)
{
    for (boost::ptr_vector<TargetBase>::iterator i (targets_.begin());
         i != targets_.end(); ++i)
        if (! i->label.empty())
            os << i->label << "\n";
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::StatisticsBase

prefix_ senf::StatisticsBase::StatisticsBase()
    : min_ (0.0f), avg_ (0.0f), max_ (0.0f), dev_ (0.0f), maxQueueLen_ (0u)
{}

prefix_ senf::StatisticsBase::~StatisticsBase()
{}

prefix_ senf::StatisticsBase::CollectorRange senf::StatisticsBase::collectors()
{
    return senf::make_transform_range(children_, Transform());
}

prefix_ float senf::StatisticsBase::min()
    const
{
    return min_;
}

prefix_ float senf::StatisticsBase::avg()
    const
{
    return avg_;
}

prefix_ float senf::StatisticsBase::max()
    const
{
    return max_;
}

prefix_ float senf::StatisticsBase::dev()
    const
{
    return dev_;
}

prefix_ unsigned senf::StatisticsBase::rank()
    const
{
    return 1;
}

prefix_ senf::Statistics & senf::StatisticsBase::base()
{
    return v_base();
}

prefix_ std::string senf::StatisticsBase::path()
    const
{
    return v_path();
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::Collector

prefix_ senf::Collector::Collector(StatisticsBase * owner, unsigned rank)
    : rank_ (rank), i_ (0u), accMin_ (FLT_MAX), accSum_ (0.0f), accSumSq_ (0.0f), accMax_ (-FLT_MAX),
      owner_ (owner)
{}

prefix_ unsigned senf::Collector::rank()
    const
{
    return rank_;
}

prefix_ senf::StatisticsBase::OutputProxy<senf::Collector>
senf::Collector::output(unsigned n)
{

    return StatisticsBase::OutputProxy<Collector>(this, StatisticsBase::output(n));
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::Statistics

prefix_ void senf::Statistics::operator()(unsigned n, float min, float avg, float max,
                                          float dev)
{
    enter(n, min, avg, max, dev);
}

prefix_ void senf::Statistics::operator()(float min, float avg, float max, float dev)
{
    enter(1, min, avg, max, dev);
}

prefix_ void senf::Statistics::operator()(float value, float dev)
{
    enter(1, value, value, value, dev);
}

prefix_ senf::StatisticsBase::OutputProxy<senf::Statistics>
senf::Statistics::output(unsigned n)
{
    return StatisticsBase::OutputProxy<Statistics>(this, StatisticsBase::output(n));
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
#undef prefix_


// Local Variables:
// mode: c++
// fill-column: 100
// comment-column: 40
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// End: