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src/devices/wifi/wifi-net-device.cc

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+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2005,2006 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 "ns3/packet.h"
+#include "ns3/llc-snap-header.h"
+#include "ns3/node.h"
+
+#include "wifi-net-device.h"
+#include "wifi-phy.h"
+#include "wifi-channel.h"
+#include "mac-stations.h"
+#include "mac-low.h"
+#include "mac-parameters.h"
+#include "mac-rx-middle.h"
+#include "mac-tx-middle.h"
+#include "mac-high-adhoc.h"
+#include "mac-high-nqsta.h"
+#include "mac-high-nqap.h"
+#include "dca-txop.h"
+
+namespace ns3 {
+
+WifiNetDevice::WifiNetDevice (Ptr<Node> node)
+  : NetDevice (node, Mac48Address::Allocate ())
+{
+  SetMtu (2300);
+  EnableBroadcast (Mac48Address ("ff:ff:ff:ff:ff:ff"));
+}
+
+WifiNetDevice::~WifiNetDevice ()
+{
+  delete m_phy;
+  delete m_stations;
+  delete m_low;
+  delete m_parameters;
+  delete m_txMiddle;
+  delete m_rxMiddle;
+}
+
+void 
+WifiNetDevice::ConnectTo (Ptr<WifiChannel> channel)
+{
+  m_phy->SetChannel (channel);
+  NotifyConnected ();
+}
+bool
+WifiNetDevice::SendTo (const Packet &packet, const Address &to, uint16_t protocolNumber)
+{
+  NS_ASSERT (Mac48Address::IsMatchingType (to));
+
+  Mac48Address realTo = Mac48Address::ConvertFrom (to);
+
+  Packet p = packet;
+
+  LlcSnapHeader llc;
+  llc.SetType (protocolNumber);
+  p.AddHeader (llc);
+
+  m_txLogger (p, realTo);
+
+  return DoSendTo (p, realTo);
+}
+void 
+WifiNetDevice::DoForwardUp (Packet packet, const Mac48Address &from)
+{
+  m_rxLogger (packet, from);
+
+  LlcSnapHeader llc;
+  packet.RemoveHeader (llc);
+  NetDevice::ForwardUp (packet, llc.GetType (), from);
+}
+Mac48Address 
+WifiNetDevice::GetSelfAddress (void) const
+{
+  NS_ASSERT (Mac48Address::IsMatchingType (GetAddress ()));
+  Mac48Address self = Mac48Address::ConvertFrom (GetAddress ());
+  return self;
+}
+
+/*****************************************************
+ *            Adhoc code
+ *****************************************************/
+
+AdhocWifiNetDevice::AdhocWifiNetDevice (Ptr<Node> node)
+  : WifiNetDevice (node)
+{}
+AdhocWifiNetDevice::~AdhocWifiNetDevice ()
+{
+  delete m_dca;
+  delete m_high;
+}
+Mac48Address 
+AdhocWifiNetDevice::GetBssid (void) const
+{
+  return m_high->GetBssid ();
+}
+Ssid 
+AdhocWifiNetDevice::GetSsid (void) const
+{
+  return m_ssid;
+}
+void 
+AdhocWifiNetDevice::SetSsid (Ssid ssid)
+{
+  // XXX restart adhoc network join.
+  m_ssid = ssid;
+}
+bool
+AdhocWifiNetDevice::DoSendTo (const Packet &packet, Mac48Address const &to)
+{
+  m_high->Enqueue (packet, to);
+  return true;
+}
+void
+AdhocWifiNetDevice::NotifyConnected (void)
+{
+  NotifyLinkUp ();
+}
+
+/*****************************************************
+ *            STA code
+ *****************************************************/
+
+NqstaWifiNetDevice::NqstaWifiNetDevice (Ptr<Node> node)
+  : WifiNetDevice (node)
+{}
+NqstaWifiNetDevice::~NqstaWifiNetDevice ()
+{
+  delete m_dca;
+  delete m_high;
+}
+Mac48Address 
+NqstaWifiNetDevice::GetBssid (void) const
+{
+  return m_high->GetBssid ();
+}
+Ssid 
+NqstaWifiNetDevice::GetSsid (void) const
+{
+  return m_ssid;
+}
+void 
+NqstaWifiNetDevice::StartActiveAssociation (Ssid ssid)
+{
+  m_ssid = ssid;
+  m_high->StartActiveAssociation ();
+}
+bool
+NqstaWifiNetDevice::DoSendTo (const Packet &packet, Mac48Address const &to)
+{
+  m_high->Queue (packet, to);
+  return true;
+}
+void
+NqstaWifiNetDevice::NotifyConnected (void)
+{
+  // do nothing because link status is kept track of in
+  // ::Associated and ::Disassociated
+}
+void 
+NqstaWifiNetDevice::Associated (void)
+{
+  NetDevice::NotifyLinkUp ();
+}
+
+void 
+NqstaWifiNetDevice::DisAssociated (void)
+{
+  NetDevice::NotifyLinkDown ();
+}
+
+
+/*****************************************************
+ *            AP code
+ *****************************************************/
+
+
+NqapWifiNetDevice::NqapWifiNetDevice (Ptr<Node> node)
+  : WifiNetDevice (node)
+{}
+NqapWifiNetDevice::~NqapWifiNetDevice ()
+{
+  delete m_dca;
+  delete m_high;
+}
+Mac48Address 
+NqapWifiNetDevice::GetBssid (void) const
+{
+  return GetSelfAddress ();
+}
+Ssid 
+NqapWifiNetDevice::GetSsid (void) const
+{
+  return m_ssid;
+}
+void 
+NqapWifiNetDevice::SetSsid (Ssid ssid)
+{
+  m_ssid = ssid;
+}
+bool
+NqapWifiNetDevice::DoSendTo (const Packet &packet, Mac48Address const & to)
+{
+  m_high->Queue (packet, to);
+  return true;
+}
+void
+NqapWifiNetDevice::NotifyConnected (void)
+{
+  NotifyLinkUp ();
+}
+
+
+} // namespace ns3
+