rename isl to mock

model/mock-channel.cc

@@ -0,0 +1,201 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2007, 2008 University of Washington
+ *
+ * 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
+ */
+
+#include <ns3/trace-source-accessor.h>
+#include <ns3/packet.h>
+#include <ns3/simulator.h>
+#include <ns3/log.h>
+#include <ns3/pointer.h>
+#include "mock-channel.h"
+
+namespace ns3 {
+
+NS_LOG_COMPONENT_DEFINE ("MockChannel");
+
+NS_OBJECT_ENSURE_REGISTERED (MockChannel);
+
+TypeId
+MockChannel::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::MockChannel")
+    .SetParent<Channel> ()
+    .SetGroupName ("Leo")
+    .AddConstructor<MockChannel> ()
+    .AddAttribute ("PropagationDelay",
+                   "A propagation delay model for the channel.",
+                   PointerValue (),
+                   MakePointerAccessor (&MockChannel::m_propagationDelay),
+                   MakePointerChecker<PropagationDelayModel> ())
+    .AddAttribute ("PropagationLoss",
+                   "A propagation loss model for the channel.",
+                   PointerValue (),
+                   MakePointerAccessor (&MockChannel::m_propagationLoss),
+                   MakePointerChecker<PropagationLossModel> ())
+    .AddTraceSource ("TxRxMockChannel",
+                     "Trace source indicating transmission of packet "
+                     "from the MockChannel, used by the Animation "
+                     "interface.",
+                     MakeTraceSourceAccessor (&MockChannel::m_txrxMock),
+                     "ns3::MockChannel::TxRxAnimationCallback")
+  ;
+  return tid;
+}
+
+//
+// By default, you get a channel that
+// has an "infitely" fast transmission speed and zero processing delay.
+MockChannel::MockChannel() : Channel (), m_link (0)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+}
+
+MockChannel::~MockChannel()
+{
+}
+
+bool
+MockChannel::Detach (uint32_t deviceId)
+{
+  NS_LOG_FUNCTION (this << deviceId);
+  if (deviceId < m_link.size ())
+  {
+    if (!m_link[deviceId]->IsLinkUp ())
+    {
+      NS_LOG_WARN ("MockChannel::Detach(): Device is already detached (" << deviceId << ")");
+      return false;
+    }
+
+    m_link[deviceId]->NotifyLinkDown ();
+  }
+  else
+  {
+    return false;
+  }
+  return true;
+}
+
+int32_t
+MockChannel::Attach (Ptr<MockNetDevice> device)
+{
+  NS_LOG_FUNCTION (this << device);
+  NS_ASSERT (device != 0);
+  m_link.push_back(device);
+  return  m_link.size() - 1;
+}
+
+std::size_t
+MockChannel::GetNDevices (void) const
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  return m_link.size ();
+}
+
+Ptr<NetDevice>
+MockChannel::GetDevice (std::size_t i) const
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  return m_link[i];
+}
+
+bool MockChannel::Deliver (
+    Ptr<const Packet> p,
+    Ptr<MockNetDevice> src,
+    Ptr<MockNetDevice> dst,
+    Time txTime)
+{
+  Time delay = GetDelay (src, dst, txTime);
+
+  /* Check if there is LOS between the source and destination */
+  if (m_propagationLoss->CalcRxPower(1, src->GetMobilityModel(), dst->GetMobilityModel()) > 0)
+  {
+    Simulator::ScheduleWithContext (dst->GetNode ()->GetId (),
+        delay,
+        &MockNetDevice::Receive,
+        dst,
+        p->Copy (),
+        src);
+
+    // Call the tx anim callback on the net device
+    m_txrxMock (p, src, dst, txTime, delay);
+    return true;
+  }
+  else
+  {
+    NS_LOG_LOGIC (dst << " unreachable from " << src);
+
+    return false;
+  }
+}
+
+bool
+MockChannel::TransmitStart (
+    Ptr<const Packet> p,
+    uint32_t srcId,
+    Address destAddr,
+    Time txTime)
+{
+  NS_LOG_FUNCTION (destAddr << this << p << srcId);
+  NS_LOG_LOGIC ("UID is " << p->GetUid () << ")");
+
+  Ptr<MockNetDevice> src = m_link[srcId];
+  Ptr<MockNetDevice> dst = GetDevice (destAddr);
+
+  if (dst == nullptr)
+  {
+    NS_LOG_LOGIC ("destination address " << destAddr << " unknown on channel");
+    for (uint32_t i = 0; i < m_link.size (); i++)
+    {
+      Deliver (p, src, m_link[i], txTime);
+    }
+    return true;
+  }
+  else
+  {
+    return Deliver (p, src, dst, txTime);
+  }
+}
+
+Time
+MockChannel::GetDelay (Ptr<const MockNetDevice> src, Ptr<const MockNetDevice> dst, Time txTime) const
+{
+  NS_LOG_DEBUG ("Get delay from " << src << " to " << dst);
+
+  Ptr<MobilityModel> modSrc = src->GetMobilityModel ();
+  Ptr<MobilityModel> modDst = dst->GetMobilityModel ();
+
+  Time propagationDelay = m_propagationDelay->GetDelay (modSrc, modDst);
+
+  return txTime + propagationDelay;
+}
+
+// TODO optimize
+Ptr<MockNetDevice>
+MockChannel::GetDevice (Address &addr) const
+{
+  for (Ptr<MockNetDevice> dev : m_link)
+  {
+    if (dev->GetAddress () == addr)
+    {
+      return dev;
+    }
+  }
+
+  return 0;
+}
+
+} // namespace ns3