statistic.cxx

RTP协议

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */


static const char* const Statistic_cxx_Version = 
    "$Id: Statistic.cxx,v 1.3 2001/08/10 04:02:08 icahoon Exp $";


#include "global.h"
#include "Statistic.hxx"
#include "Data.hxx"
#include <cassert>


using Vocal::Statistics::Statistic;
using Vocal::Statistics::StatisticsDb;
using Vocal::Statistics::StatisticsDbKey;


Statistic::Statistic(StatisticsDb & p_db, const Data & p_name)
    :	myDb(&p_db),
    	myKey(INVALID_STAT_DB_KEY)
{
    myKey = myDb->key(p_name);

    assert( myDb != 0 );
    assert( myKey != INVALID_STAT_DB_KEY );
}


Statistic::Statistic(StatisticsDb & p_db, StatisticsDbKey p_key)
    :	myDb(&p_db),
    	myKey(p_key)
{    
    assert( myDb != 0 );
    
    StatisticsDbKey nextKey = myDb->nextKey();
    
    if ( myKey >= nextKey )
    {
        assert( myKey < nextKey );
        myKey = INVALID_STAT_DB_KEY;
    }

    assert( myKey != INVALID_STAT_DB_KEY );
}


Statistic::Statistic(const Statistic & src)
    :	myDb(src.myDb),
    	myKey(src.myKey)
{
}


const Statistic &
Statistic::operator=(const Statistic & src)
{
    if ( this != &src )
    {
    	myDb = src.myDb;
	myKey = src.myKey;
    }
    return ( *this );
}


Statistic::~Statistic()
{
}


void	    	    	    	    
Statistic::record()
{
    myDb->record(*this);
}


StatisticsDbKey
Statistic::key() const
{
    return ( myKey );
}


const Data &
Statistic::name() const
{
    return ( myDb->keyName(myKey) );
}


const StatisticsDb &	
Statistic::db() const
{
    return ( *myDb );
}