A Discrete-Event Network Simulator
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watchdog.cc
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "watchdog.h"
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#include "log.h"
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NS_LOG_COMPONENT_DEFINE
(
"Watchdog"
);
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namespace
ns3 {
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Watchdog::Watchdog ()
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: m_impl (0),
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m_event (),
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m_end (
MicroSeconds
(0))
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{
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NS_LOG_FUNCTION_NOARGS
();
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}
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Watchdog::~Watchdog ()
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{
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NS_LOG_FUNCTION
(
this
);
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delete
m_impl;
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}
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void
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Watchdog::Ping
(
Time
delay)
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{
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NS_LOG_FUNCTION
(
this
<< delay);
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Time
end =
Simulator::Now
() + delay;
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m_end = std::max (m_end, end);
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if
(m_event.
IsRunning
())
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{
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return
;
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}
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m_event =
Simulator::Schedule
(m_end -
Now
(), &Watchdog::Expire,
this
);
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}
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void
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Watchdog::Expire (
void
)
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{
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NS_LOG_FUNCTION
(
this
);
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if
(m_end ==
Simulator::Now
())
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{
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m_impl->Invoke ();
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}
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else
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{
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m_event =
Simulator::Schedule
(m_end -
Now
(), &Watchdog::Expire,
this
);
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}
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}
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}
// namespace ns3
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ns3::Time
keep track of time unit.
Definition:
nstime.h:149
NS_LOG_FUNCTION
#define NS_LOG_FUNCTION(parameters)
Definition:
log.h:311
ns3::Watchdog::Ping
void Ping(Time delay)
Definition:
watchdog.cc:42
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Definition:
log.h:122
ns3::EventId::IsRunning
bool IsRunning(void) const
Definition:
event-id.cc:59
NS_LOG_FUNCTION_NOARGS
#define NS_LOG_FUNCTION_NOARGS()
Definition:
log.h:275
ns3::Simulator::Schedule
static EventId Schedule(Time const &time, MEM mem_ptr, OBJ obj)
Definition:
simulator.h:820
ns3::Simulator::Now
static Time Now(void)
Definition:
simulator.cc:179
ns3::Now
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
Definition:
simulator.cc:286
ns3::MicroSeconds
Time MicroSeconds(uint64_t us)
create ns3::Time instances in units of microseconds.
Definition:
nstime.h:615
src
core
model
watchdog.cc
Generated on Sun Mar 16 2014 11:25:02 for ns-3 by
1.8.6