Files
unison/src/network/utils/simple-channel.cc
2022-10-14 14:13:12 +00:00

146 lines
4.1 KiB
C++

/*
* Copyright (c) 2008 INRIA
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* 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
*
* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#include "simple-channel.h"
#include "simple-net-device.h"
#include "ns3/log.h"
#include "ns3/node.h"
#include "ns3/packet.h"
#include "ns3/simulator.h"
#include <algorithm>
namespace ns3
{
NS_LOG_COMPONENT_DEFINE("SimpleChannel");
NS_OBJECT_ENSURE_REGISTERED(SimpleChannel);
TypeId
SimpleChannel::GetTypeId()
{
static TypeId tid = TypeId("ns3::SimpleChannel")
.SetParent<Channel>()
.SetGroupName("Network")
.AddConstructor<SimpleChannel>()
.AddAttribute("Delay",
"Transmission delay through the channel",
TimeValue(Seconds(0)),
MakeTimeAccessor(&SimpleChannel::m_delay),
MakeTimeChecker());
return tid;
}
SimpleChannel::SimpleChannel()
{
NS_LOG_FUNCTION(this);
}
void
SimpleChannel::Send(Ptr<Packet> p,
uint16_t protocol,
Mac48Address to,
Mac48Address from,
Ptr<SimpleNetDevice> sender)
{
NS_LOG_FUNCTION(this << p << protocol << to << from << sender);
for (std::vector<Ptr<SimpleNetDevice>>::const_iterator i = m_devices.begin();
i != m_devices.end();
++i)
{
Ptr<SimpleNetDevice> tmp = *i;
if (tmp == sender)
{
continue;
}
if (m_blackListedDevices.find(tmp) != m_blackListedDevices.end())
{
if (find(m_blackListedDevices[tmp].begin(), m_blackListedDevices[tmp].end(), sender) !=
m_blackListedDevices[tmp].end())
{
continue;
}
}
Simulator::ScheduleWithContext(tmp->GetNode()->GetId(),
m_delay,
&SimpleNetDevice::Receive,
tmp,
p->Copy(),
protocol,
to,
from);
}
}
void
SimpleChannel::Add(Ptr<SimpleNetDevice> device)
{
NS_LOG_FUNCTION(this << device);
m_devices.push_back(device);
}
std::size_t
SimpleChannel::GetNDevices() const
{
NS_LOG_FUNCTION(this);
return m_devices.size();
}
Ptr<NetDevice>
SimpleChannel::GetDevice(std::size_t i) const
{
NS_LOG_FUNCTION(this << i);
return m_devices[i];
}
void
SimpleChannel::BlackList(Ptr<SimpleNetDevice> from, Ptr<SimpleNetDevice> to)
{
if (m_blackListedDevices.find(to) != m_blackListedDevices.end())
{
if (find(m_blackListedDevices[to].begin(), m_blackListedDevices[to].end(), from) ==
m_blackListedDevices[to].end())
{
m_blackListedDevices[to].push_back(from);
}
}
else
{
m_blackListedDevices[to].push_back(from);
}
}
void
SimpleChannel::UnBlackList(Ptr<SimpleNetDevice> from, Ptr<SimpleNetDevice> to)
{
if (m_blackListedDevices.find(to) != m_blackListedDevices.end())
{
std::vector<Ptr<SimpleNetDevice>>::iterator iter;
iter = find(m_blackListedDevices[to].begin(), m_blackListedDevices[to].end(), from);
if (iter != m_blackListedDevices[to].end())
{
m_blackListedDevices[to].erase(iter);
}
}
}
} // namespace ns3