src/core/system-wall-clock-ms.h
author Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Sat, 04 Jul 2009 08:15:48 +0200
changeset 4654 2eaebe77d66b
parent 150 663120712cd9
permissions -rw-r--r--
Added tag ns-3.5 for changeset c975274c9707
     1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
     2 /*
     3  * Copyright (c) 2005 INRIA
     4  *
     5  * This program is free software; you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License version 2 as
     7  * published by the Free Software Foundation;
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program; if not, write to the Free Software
    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    17  *
    18  * Author: Mathieu Lacage <mathieu.lacage.inria.fr>
    19  */
    20 
    21 #ifndef SYSTEM_WALL_CLOCK_MS_H
    22 #define SYSTEM_WALL_CLOCK_MS_H
    23 
    24 namespace ns3 {
    25 
    26 /**
    27  * \brief measure wall-clock time in milliseconds
    28  */
    29 class SystemWallClockMs {
    30 public:
    31   SystemWallClockMs ();
    32   ~SystemWallClockMs ();
    33 
    34   /**
    35    * Start a measure.
    36    */
    37   void Start (void);
    38   /**
    39    * \returns the measured elapsed wall clock time since 
    40    *          ns3::SystemWallClockMs::start was invoked.
    41    *
    42    * It is possible to start a new measurement with ns3::SystemWallClockMs::start
    43    * after this method returns.
    44    */
    45   unsigned long long End (void);
    46 private:
    47   class SystemWallClockMsPrivate *m_priv;
    48 };
    49 
    50 }; // namespace ns3
    51 
    52 #endif /* SYSTEM_WALL_CLOCK_MS_H */