internet: removed some unused variables

Author: TommyPec

src/internet-apps/model/dhcp6-server.cc

@@ -160,11 +160,6 @@ Dhcp6Server::SendAdvertise(Ptr<NetDevice> iDev, Dhcp6Header header, Inet6SocketA
     // Available address pools and IA information is sent in this option.
     for (auto& subnet : m_subnets)
     {
-        Ipv6Address pool = subnet.GetAddressPool();
-        Ipv6Prefix prefix = subnet.GetPrefix();
-        Ipv6Address minAddress = subnet.GetMinAddress();
-        Ipv6Address maxAddress = subnet.GetMaxAddress();
-
         /*
          * Find the next available address. Checks the expired address map.
          * If there are no expired addresses, it advertises a new address.
@@ -210,6 +205,7 @@ Dhcp6Server::SendAdvertise(Ptr<NetDevice> iDev, Dhcp6Header header, Inet6SocketA
         {
             // Allocate a new address.
             uint8_t minAddrBuf[16];
+            Ipv6Address minAddress = subnet.GetMinAddress();
             minAddress.GetBytes(minAddrBuf);
 
             // Get the latest leased address.

src/internet/model/ipv6-l3-protocol.cc

@@ -1428,7 +1428,6 @@ Ipv6L3Protocol::LocalDeliver(Ptr<const Packet> packet, const Ipv6Header& ip, uin
     Ptr<IpL4Protocol> protocol = nullptr;
     Ptr<Ipv6ExtensionDemux> ipv6ExtensionDemux = m_node->GetObject<Ipv6ExtensionDemux>();
     Ptr<Ipv6Extension> ipv6Extension = nullptr;
-    Ipv6Address src = ip.GetSource();
     Ipv6Address dst = ip.GetDestination();
     uint8_t nextHeader = ip.GetNextHeader();
     uint8_t nextHeaderPosition = 0;
@@ -1515,7 +1514,6 @@ Ipv6L3Protocol::LocalDeliver(Ptr<const Packet> packet, const Ipv6Header& ip, uin
             else
             {
                 p->RemoveAtStart(nextHeaderPosition);
-                /* protocol->Receive (p, src, dst, incomingInterface); */
 
                 // Options have been processed, and the packet is good.
                 // We need to adjust the IP header fields

src/internet/model/ipv6-list-routing.cc

@@ -102,7 +102,6 @@ Ipv6ListRouting::RouteInput(Ptr<const Packet> p,
     NS_ASSERT(m_ipv6);
     // Check if input device supports IP
     NS_ASSERT(m_ipv6->GetInterfaceForDevice(idev) >= 0);
-    Ipv6Address dst = header.GetDestination();
 
     // Check if input device supports IP forwarding
     uint32_t iif = m_ipv6->GetInterfaceForDevice(idev);

src/internet/model/ipv6-static-routing.cc

@@ -559,7 +559,6 @@ Ipv6StaticRouting::GetDefaultRoute()
         uint32_t metric = it->second;
         Ipv6Prefix mask = j->GetDestNetworkPrefix();
         uint16_t maskLen = mask.GetPrefixLength();
-        Ipv6Address entry = j->GetDestNetwork();
 
         if (maskLen)
         {