Index: src/mpls-stack/mpls/ipv4-to-mpls-routing-protocol.cc |
=================================================================== |
new file mode 100644 |
--- /dev/null |
+++ b/src/mpls-stack/mpls/ipv4-to-mpls-routing-protocol.cc |
@@ -0,0 +1,169 @@ |
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
+/* |
+ * Copyright (c) 2010 Andrey Churin |
+ * |
+ * 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: Andrey Churin <aachurin@gmail.com> |
+ */ |
+ |
+#include "ns3/log.h" |
+#include "ns3/assert.h" |
+ |
+#include "ipv4-to-mpls-routing-protocol.h" |
+ |
+NS_LOG_COMPONENT_DEFINE ("Ipv4ToMplsRoutingProtocol"); |
+ |
+namespace ns3 { |
+namespace mpls { |
+ |
+NS_OBJECT_ENSURE_REGISTERED (Ipv4ToMplsRoutingProtocol); |
+ |
+Ipv4ToMplsRoutingProtocol::Ipv4ToMplsRoutingProtocol () |
+ : m_ipv4 (0), |
+ m_mpls (0) |
+{ |
+ NS_LOG_FUNCTION (this); |
+} |
+ |
+Ipv4ToMplsRoutingProtocol::~Ipv4ToMplsRoutingProtocol () |
+{ |
+ NS_LOG_FUNCTION_NOARGS (); |
+} |
+ |
+TypeId |
+Ipv4ToMplsRoutingProtocol::GetTypeId (void) |
+{ |
+ static TypeId tid = TypeId ("ns3::mpls::Ipv4ToMplsRoutingProtocol") |
+ .SetParent<Ipv4RoutingProtocol> () |
+ .AddConstructor<Ipv4ToMplsRoutingProtocol> () |
+ ; |
+ return tid; |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::DoDispose (void) |
+{ |
+ m_ipv4 = 0; |
+ m_mpls = 0; |
+ m_routingProtocol = 0; |
+ Ipv4RoutingProtocol::DoDispose (); |
+} |
+ |
+Ptr<Ipv4Route> |
+Ipv4ToMplsRoutingProtocol::RouteOutput (Ptr<Packet> p, const Ipv4Header &header, Ptr<NetDevice> oif, Socket::SocketErrno &sockerr) |
+{ |
+ NS_LOG_FUNCTION (this << &oif << p << header); |
+ |
+ NS_ASSERT_MSG (m_routingProtocol != 0, "Ipv4ToMplsRoutingProtocol::RouteOutput ():" |
+ "Need a Ipv4 routing protocol to process packets"); |
+ |
+ return m_routingProtocol->RouteOutput (p, header, oif, sockerr); |
+} |
+ |
+bool |
+Ipv4ToMplsRoutingProtocol::RouteInput (Ptr<const Packet> p, const Ipv4Header &header, Ptr<const NetDevice> idev, |
+ UnicastForwardCallback ucb, MulticastForwardCallback mcb, |
+ LocalDeliverCallback lcb, ErrorCallback ecb) |
+{ |
+ NS_LOG_FUNCTION (this << &idev << p << header); |
+ NS_ASSERT_MSG (m_mpls, "Ipv4ToMplsRoutingProtocol::RouteInput ():" |
+ "Need a MplsRoutingProtocol object to process packets"); |
+ |
+ MplsRoutingProtocol::MplsRoutingErrno result = m_mpls->RouteInput (p, header, idev); |
+ |
+ switch (result) |
+ { |
+ case MplsRoutingProtocol::ERROR_IPROUTING: |
Tom Henderson
2010/05/22 06:12:44
It may be a bit misleading to call this an error;
|
+ NS_ASSERT_MSG (m_routingProtocol != 0, "Ipv4ToMplsRoutingProtocol::RouteInput ():" |
+ "Need a Ipv4 routing protocol to process packets"); |
+ return m_routingProtocol->RouteInput (p, header, idev, ucb, mcb, lcb, ecb); |
+ |
+ case MplsRoutingProtocol::ERROR_NOLIBENTRY: |
+ ecb (p, header, Socket::ERROR_NOROUTETOHOST); |
+ return false; |
+ |
+ case MplsRoutingProtocol::ERROR_NOTERROR: |
+ break; |
+ } |
+ |
+ return true; |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::SetIpv4 (Ptr<Ipv4> ipv4) |
+{ |
+ NS_LOG_FUNCTION (this << ipv4); |
+ NS_ASSERT_MSG (m_ipv4 == 0, "Ipv4ToMplsRoutingProtocol::SetIpv4 (): m_ipv4 != 0"); |
+ NS_ASSERT (ipv4 != 0); |
+ m_ipv4 = ipv4; |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::SetMpls (Ptr<MplsRoutingProtocol> mpls) |
+{ |
+ NS_LOG_FUNCTION (this << mpls); |
+ NS_ASSERT_MSG (m_mpls == 0, "Ipv4ToMplsRoutingProtocol::SetMpls (): m_mpls != 0"); |
+ NS_ASSERT (mpls != 0); |
+ m_mpls = mpls; |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::NotifyInterfaceUp (uint32_t interface) |
+{ |
+ NS_ASSERT_MSG (m_routingProtocol != 0, "Ipv4ToMplsRoutingProtocol::NotifyInterfaceUp (): " |
+ "Need a Ipv4 routing protocol to process InterfaceUp notification"); |
+ m_routingProtocol->NotifyInterfaceUp (interface); |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::NotifyInterfaceDown (uint32_t interface) |
+{ |
+ NS_ASSERT_MSG (m_routingProtocol != 0, "Ipv4ToMplsRoutingProtocol::NotifyInterfaceUp (): " |
+ "Need a Ipv4 routing protocol to process InterfaceDown notification"); |
+ m_routingProtocol->NotifyInterfaceDown (interface); |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::NotifyAddAddress (uint32_t interface, Ipv4InterfaceAddress address) |
+{ |
+ NS_ASSERT_MSG (m_routingProtocol != 0, "Ipv4ToMplsRoutingProtocol::NotifyInterfaceUp (): " |
+ "Need a Ipv4 routing protocol to process AddAddress notification"); |
+ m_routingProtocol->NotifyAddAddress (interface, address); |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::NotifyRemoveAddress (uint32_t interface, Ipv4InterfaceAddress address) |
+{ |
+ NS_ASSERT_MSG (m_routingProtocol != 0, "Ipv4ToMplsRoutingProtocol::NotifyInterfaceUp (): " |
+ "Need a Ipv4 routing protocol to process RemoveAddress notification"); |
+ m_routingProtocol->NotifyRemoveAddress (interface, address); |
+} |
+ |
+void |
+Ipv4ToMplsRoutingProtocol::SetRoutingProtocol (Ptr<Ipv4RoutingProtocol> routingProtocol) |
+{ |
+ NS_LOG_FUNCTION (this << routingProtocol); |
+ m_routingProtocol = routingProtocol; |
+ m_routingProtocol->SetIpv4 (m_ipv4); |
+} |
+ |
+Ptr<Ipv4RoutingProtocol> |
+Ipv4ToMplsRoutingProtocol::GetRoutingProtocol (void) const |
+{ |
+ return m_routingProtocol; |
+} |
+ |
+} // namespace mpls |
+} // namespace ns3 |