Update README and add contrib dir

2025-12-01 15:56:02 +01:00
parent 1b80de2153
commit cd9ba93d58
150 changed files with 25563 additions and 0 deletions
--- a/contrib/tsn/model/frer-match-recovery-function.cc
+++ b/contrib/tsn/model/frer-match-recovery-function.cc
@@ -0,0 +1,78 @@
+#include "frer-match-recovery-function.h"
+
+#include "ns3/log.h"
+#include "ns3/simulator.h"
+
+namespace ns3
+{
+
+NS_LOG_COMPONENT_DEFINE("MatchRecoveryFunction");
+
+NS_OBJECT_ENSURE_REGISTERED(MatchRecoveryFunction);
+
+TypeId
+MatchRecoveryFunction::GetTypeId()
+{
+    static TypeId tid =
+        TypeId("ns3::MatchRecoveryFunction")
+            .SetParent<BaseRecoveryFunction>()
+            .SetGroupName("tsn")
+            .AddConstructor<MatchRecoveryFunction>();
+    return tid;
+}
+
+
+MatchRecoveryFunction::MatchRecoveryFunction()
+{
+    NS_LOG_FUNCTION(this);
+}
+
+MatchRecoveryFunction::~MatchRecoveryFunction()
+{
+    NS_LOG_FUNCTION(this);
+}
+
+bool
+MatchRecoveryFunction::DoRecovery(uint16_t seqNumber)
+{
+  NS_LOG_FUNCTION(this);
+  NS_ASSERT_MSG(m_frerSeqRcvyResetMSec <= m_frerMaxSeqRcvyResetMSec, "Trying to use a longer recovery reset timer than " << m_frerMaxSeqRcvyResetMSec << ".");
+  if(m_takeAny)
+  {
+    m_takeAny = false;
+    m_frerCpsSeqRcvyPassedPackets += 1;
+    m_recovSeqNum = seqNumber;
+    Simulator::Cancel(m_resetEvent);
+    m_resetEvent = Simulator::Schedule(m_frerSeqRcvyResetMSec, &BaseRecoveryFunction::resetRecoveryFunction, this);
+    return true;
+  }
+
+  uint16_t delta = (seqNumber - m_recovSeqNum)%m_recovSeqSpace;
+  if (delta == 0)
+  {
+      //Pkt has been seen ... drop it
+      m_frerCpsSeqRcvyDiscardedPackets += 1;
+      if(m_frerSeqRcvyIndividualRecovery)
+      {
+        Simulator::Cancel(m_resetEvent);
+        m_resetEvent = Simulator::Schedule(m_frerSeqRcvyResetMSec, &BaseRecoveryFunction::resetRecoveryFunction, this);
+      }
+      return false;
+  }
+  else
+  {
+    //Pkt hasn't been seen ... accept it
+    if (delta != 1)
+    {
+        //Pkt is out of order
+        m_frerCpsSeqRcvyOutOfOrderPackets += 1;
+    }
+    m_frerCpsSeqRcvyPassedPackets += 1;
+    m_recovSeqNum = seqNumber;
+    Simulator::Cancel(m_resetEvent);
+    m_resetEvent = Simulator::Schedule(m_frerSeqRcvyResetMSec, &BaseRecoveryFunction::resetRecoveryFunction, this);
+    return true;
+  }
+}
+
+}