Index: src/nist/model/nist-epc-tft.cc |
=================================================================== |
new file mode 100644 |
--- /dev/null |
+++ b/src/nist/model/nist-epc-tft.cc |
@@ -0,0 +1,195 @@ |
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
+/* |
+ * Copyright (c) 2011 CTTC |
+ * |
+ * 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: Nicola Baldo <nbaldo@cttc.es> |
+ */ |
+ |
+ |
+ |
+ |
+#include "nist-epc-tft.h" |
+#include "ns3/abort.h" |
+#include "ns3/log.h" |
+ |
+ |
+namespace ns3 { |
+ |
+NS_LOG_COMPONENT_DEFINE ("NistEpcTft"); |
+ |
+std::ostream& operator<< (std::ostream& os, NistEpcTft::Direction& d) |
+{ |
+ switch (d) |
+ { |
+ case NistEpcTft::DOWNLINK: |
+ os << "DOWNLINK"; |
+ break; |
+ case NistEpcTft::UPLINK: |
+ os << "UPLINK"; |
+ break; |
+ default: |
+ os << "BIDIRECTIONAL"; |
+ break; |
+ } |
+ return os; |
+} |
+ |
+ |
+std::ostream& operator<< (std::ostream& os, NistEpcTft::NistPacketFilter& f) |
+{ |
+ os << " direction: " << f.direction |
+ << " remoteAddress: " << f.remoteAddress |
+ << " remoteMask: " << f.remoteMask |
+ << " localAddress: " << f.localAddress |
+ << " localMask: " << f.localMask |
+ << " remotePortStart: " << f.remotePortStart |
+ << " remotePortEnd: " << f.remotePortEnd |
+ << " localPortStart: " << f.localPortStart |
+ << " localPortEnd: " << f.localPortEnd |
+ << " typeOfService: 0x" << std::hex << (uint16_t) f.typeOfService << std::dec |
+ << " typeOfServiceMask: 0x" << std::hex << (uint16_t) f.typeOfServiceMask << std::dec; |
+ return os; |
+} |
+ |
+NistEpcTft::NistPacketFilter::NistPacketFilter () |
+ : precedence (255), |
+ direction (BIDIRECTIONAL), |
+ remoteMask ("0.0.0.0"), |
+ localMask ("0.0.0.0"), |
+ remotePortStart (0), |
+ remotePortEnd (65535), |
+ localPortStart (0), |
+ localPortEnd (65535), |
+ typeOfService (0), |
+ typeOfServiceMask (0) |
+{ |
+ NS_LOG_FUNCTION (this); |
+} |
+ |
+bool |
+NistEpcTft::NistPacketFilter::Matches (Direction d, |
+ Ipv4Address ra, |
+ Ipv4Address la, |
+ uint16_t rp, |
+ uint16_t lp, |
+ uint8_t tos) |
+{ |
+ NS_LOG_FUNCTION (this << d << ra << la << rp << lp << (uint16_t) tos); |
+ if (d & direction) |
+ { |
+ NS_LOG_LOGIC ("d matches"); |
+ if (remoteMask.IsMatch (remoteAddress, ra)) |
+ { |
+ NS_LOG_LOGIC ("ra matches"); |
+ if (localMask.IsMatch (localAddress, la)) |
+ { |
+ NS_LOG_LOGIC ("ls matches"); |
+ if (rp >= remotePortStart) |
+ { |
+ NS_LOG_LOGIC ("rps matches"); |
+ if (rp <= remotePortEnd) |
+ { |
+ NS_LOG_LOGIC ("rpe matches"); |
+ if (lp >= localPortStart) |
+ { |
+ NS_LOG_LOGIC ("lps matches"); |
+ if (lp <= localPortEnd) |
+ { |
+ NS_LOG_LOGIC ("lpe matches"); |
+ if ((tos & typeOfServiceMask) == (typeOfService & typeOfServiceMask)) |
+ { |
+ NS_LOG_LOGIC ("tos matches --> have match!"); |
+ return true; |
+ } |
+ } |
+ } |
+ } |
+ } |
+ } |
+ else |
+ { |
+ NS_LOG_LOGIC ("la doesn't match: la=" << la << " f.la=" << localAddress << " f.lmask=" << localMask); |
+ } |
+ } |
+ else |
+ { |
+ NS_LOG_LOGIC ("ra doesn't match: ra=" << ra << " f.ra=" << remoteAddress << " f.rmask=" << remoteMask); |
+ } |
+ } |
+ else |
+ { |
+ NS_LOG_LOGIC ("d doesn't match: d=0x" << std::hex << d << " f.d=0x" << std::hex << direction << std::dec); |
+ } |
+ return false; |
+} |
+ |
+ |
+Ptr<NistEpcTft> |
+NistEpcTft::Default () |
+{ |
+ Ptr<NistEpcTft> tft = Create<NistEpcTft> (); |
+ NistEpcTft::NistPacketFilter defaultNistPacketFilter; |
+ tft->Add (defaultNistPacketFilter); |
+ return tft; |
+} |
+ |
+ |
+NistEpcTft::NistEpcTft () |
+ : m_numFilters (0) |
+{ |
+ NS_LOG_FUNCTION (this); |
+} |
+ |
+uint8_t |
+NistEpcTft::Add (NistPacketFilter f) |
+{ |
+ NS_LOG_FUNCTION (this << f); |
+ NS_ABORT_IF (m_numFilters >= 16); |
+ |
+ std::list<NistPacketFilter>::iterator it; |
+ for (it = m_filters.begin (); |
+ (it != m_filters.end ()) && (it->precedence <= f.precedence); |
+ ++it) |
+ { |
+ } |
+ m_filters.insert (it, f); |
+ ++m_numFilters; |
+ return (m_numFilters - 1); |
+} |
+ |
+bool |
+NistEpcTft::Matches (Direction direction, |
+ Ipv4Address remoteAddress, |
+ Ipv4Address localAddress, |
+ uint16_t remotePort, |
+ uint16_t localPort, |
+ uint8_t typeOfService) |
+{ |
+ NS_LOG_FUNCTION (this << direction << remoteAddress << localAddress << std::dec << remotePort << localPort << (uint16_t) typeOfService); |
+ for (std::list<NistPacketFilter>::iterator it = m_filters.begin (); |
+ it != m_filters.end (); |
+ ++it) |
+ { |
+ if (it->Matches (direction, remoteAddress, localAddress, remotePort, localPort, typeOfService)) |
+ { |
+ return true; |
+ } |
+ } |
+ return false; |
+} |
+ |
+ |
+} // namespace ns3 |