refactor mock-channel

2025-06-09 02:23:57 +02:00 · 2020-06-22 14:59:00 +02:00 · 2020-06-22 14:59:00 +02:00 · 95774794b5
commit 95774794b5
parent 76c314130e
6 changed files with 221 additions and 84 deletions
--- a/model/isl-mock-channel.cc
+++ b/model/isl-mock-channel.cc
@ -0,0 +1,114 @@
+/* -*- 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 "isl-mock-channel.h"
+
+namespace ns3 {
+
+NS_LOG_COMPONENT_DEFINE ("IslMockChannel");
+
+NS_OBJECT_ENSURE_REGISTERED (IslMockChannel);
+
+TypeId
+IslMockChannel::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::IslMockChannel")
+    .SetParent<MockChannel> ()
+    .SetGroupName ("Leo")
+    .AddConstructor<IslMockChannel> ()
+  ;
+  return tid;
+}
+
+//
+// By default, you get a channel that
+// has an "infitely" fast transmission speed and zero processing delay.
+IslMockChannel::IslMockChannel() : MockChannel ()
+{
+  NS_LOG_FUNCTION_NOARGS ();
+}
+
+IslMockChannel::~IslMockChannel()
+{
+}
+
+bool IslMockChannel::Deliver (
+    Ptr<const Packet> p,
+    Ptr<MockNetDevice> src,
+    Ptr<MockNetDevice> dst,
+    Time txTime)
+{
+  NS_LOG_FUNCTION (this << p << src->GetAddress () << dst->GetAddress () << txTime);
+  Time delay = GetDelay (src, dst, txTime);
+
+  /* Check if there is LOS between the source and destination */
+  if (GetPropagationLoss ()->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
+IslMockChannel::TransmitStart (
+    Ptr<const Packet> p,
+    uint32_t srcId,
+    Address destAddr,
+    Time txTime)
+{
+  NS_LOG_FUNCTION (this << p << srcId << destAddr << txTime);
+  NS_LOG_LOGIC ("UID is " << p->GetUid () << ")");
+
+  Ptr<MockNetDevice> src = DynamicCast<MockNetDevice> (GetDevice (srcId));
+  Ptr<MockNetDevice> dst = DynamicCast<MockNetDevice> (GetDevice (destAddr));
+
+  if (dst == nullptr)
+  {
+    NS_LOG_LOGIC ("destination address " << destAddr << " unknown on channel");
+    for (uint32_t i = 0; i < GetNDevices (); i++)
+    {
+      Deliver (p, src, DynamicCast<MockNetDevice> (GetDevice (i)), txTime);
+    }
+    return true;
+  }
+  else
+  {
+    return Deliver (p, src, dst, txTime);
+  }
+}
+
+} // namespace ns3