# HG changeset patch
# User Artem Krasilov <krasilov@iitp.ru>
# Date 1458900184 -10800
#      Fri Mar 25 13:03:04 2016 +0300
# Node ID 71766cdf6b706bb69d73077b7b2578ab04d3399c
# Parent  da3e91955f5746358d57665e290750532fa4160b
add static function Populating ARP cache

diff -r da3e91955f57 -r 71766cdf6b70 src/internet/model/arp-cache.cc
--- a/src/internet/model/arp-cache.cc	Fri Mar 25 11:10:14 2016 +0300
+++ b/src/internet/model/arp-cache.cc	Fri Mar 25 13:03:04 2016 +0300
@@ -25,6 +25,10 @@
 #include "ns3/node.h"
 #include "ns3/trace-source-accessor.h"
 #include "ns3/names.h"
+#include "ns3/node-list.h"
+#include "ns3/ipv4-l3-protocol.h"
+#include "ns3/object-vector.h"
+#include "ns3/pointer.h"
 
 #include "arp-cache.h"
 #include "arp-header.h"
@@ -535,5 +539,61 @@
   m_retries = 0;
 }
 
+void
+ArpCache::PopulateArpCache ()
+{
+  Ptr<Packet> dummy = Create<Packet> ();
+  Ptr<ArpCache> arp = CreateObject<ArpCache> ();
+  arp->SetAliveTimeout (Seconds (3600 * 24 * 365));
+  for (NodeList::Iterator i = NodeList::Begin (); i != NodeList::End ();
+++i)
+    {
+      Ptr<Ipv4L3Protocol> ip = (*i)->GetObject<Ipv4L3Protocol> ();
+      NS_ASSERT (ip != 0);
+      ObjectVectorValue interfaces;
+      ip->GetAttribute ("InterfaceList", interfaces);
+      for (ObjectVectorValue::Iterator j = interfaces.Begin (); j !=
+interfaces.End (); j++)
+        {
+          Ptr<Ipv4Interface> ipIface =
+j->second->GetObject<Ipv4Interface> ();
+          NS_ASSERT (ipIface != 0);
+          Ptr<NetDevice> device = ipIface->GetDevice ();
+          NS_ASSERT (device != 0);
+          Mac48Address addr = Mac48Address::ConvertFrom
+(device->GetAddress ());
+          for (uint32_t k = 0; k < ipIface->GetNAddresses (); k ++)
+            {
+              Ipv4Address ipAddr = ipIface->GetAddress (k).GetLocal ();
+              if (ipAddr == Ipv4Address::GetLoopback ())
+                {
+                  continue;
+                }
+              Ipv4Header ipHeader;
+              ArpCache::Entry *entry = arp->Add (ipAddr);
+              entry->MarkWaitReply (Ipv4PayloadHeaderPair(dummy,ipHeader));
+              entry->MarkAlive (addr);
+              entry->ClearPendingPacket();
+              entry->MarkPermanent ();
+            }
+        }
+    }
+  for (NodeList::Iterator i = NodeList::Begin (); i != NodeList::End ();
+++i)
+    {
+      Ptr<Ipv4L3Protocol> ip = (*i)->GetObject<Ipv4L3Protocol> ();
+      NS_ASSERT (ip != 0);
+      ObjectVectorValue interfaces;
+      ip->GetAttribute ("InterfaceList", interfaces);
+      for (ObjectVectorValue::Iterator j = interfaces.Begin (); j !=
+interfaces.End (); j ++)
+        {
+          Ptr<Ipv4Interface> ipIface =
+j->second->GetObject<Ipv4Interface> ();
+          ipIface->SetAttribute ("ArpCache", PointerValue (arp));
+        }
+    }
+}
+
 } // namespace ns3
 
diff -r da3e91955f57 -r 71766cdf6b70 src/internet/model/arp-cache.h
--- a/src/internet/model/arp-cache.h	Fri Mar 25 11:10:14 2016 +0300
+++ b/src/internet/model/arp-cache.h	Fri Mar 25 13:03:04 2016 +0300
@@ -173,6 +173,12 @@
    */
   typedef std::pair<Ptr<Packet>, Ipv4Header> Ipv4PayloadHeaderPair;
 
+
+  /**
+   * \brief Statically populate ARP cache at all nodes.
+   */
+  static void PopulateArpCache ();
+
   /**
    * \brief A record that that holds information about an ArpCache entry
    */