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Prepare ND cache for ground space networks

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This commit is contained in:
Tim Schubert 2020-07-02 20:17:31 +02:00
parent ed80214449
commit 227ae70a1d
5 changed files with 110 additions and 56 deletions
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52
helper/nd-cache-helper.cc Normal file
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#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/internet-module.h"
#include "../model/leo-mock-net-device.h"
#include "nd-cache-helper.h"
namespace ns3
{
void
NdCacheHelper::Install (NetDeviceContainer &devices, Ipv6InterfaceContainer &interfaces) const
{
// prepare NDS cache
for (uint32_t i = 0; i < devices.GetN (); i++)
{
Ptr<NetDevice> dev = devices.Get (i);
Ptr<Node> node = dev->GetNode ();
uint32_t ifIndex = dev->GetIfIndex ();
Ptr<Ipv6L3Protocol> ipv6 = node->GetObject<Ipv6L3Protocol> ();
Ptr<Ipv6Interface> interface = ipv6->GetInterface (ifIndex);
Ptr<NdiscCache> cache = interface->GetNdiscCache ();
for (uint32_t j = 0; j < devices.GetN (); j++)
{
// every other device, that is not of same "type"
Ptr<NetDevice> otherDevice = devices.Get (j);
Ptr<LeoMockNetDevice> leoDev = DynamicCast<LeoMockNetDevice> (dev);
Ptr<LeoMockNetDevice> otherLeoDev = DynamicCast<LeoMockNetDevice> (otherDevice);
if (i == j || (leoDev != 0
&& otherLeoDev != 0
&& leoDev->GetDeviceType () == otherLeoDev->GetDeviceType ()))
{
continue;
}
Address address = otherDevice->GetAddress (); // MAC
// and associated address
uint32_t otherIfIndex = otherDevice->GetIfIndex ();
Ipv6Address ipaddr = interfaces.GetAddress (otherIfIndex, 1); // IP
// update cache
NdiscCache::Entry* entry = cache->Lookup (ipaddr);
if (entry == 0)
{
entry = cache->Add (ipaddr);
}
entry->SetMacAddress (address);
}
}
}
}; /* namespace ns3 */