private static void OnSendStatus(IMAC macInstance, DateTime time, SendPacketStatus ACKStatus, uint transmitDestination, ushort index)
{
var pipe = macInstance as MACPipe;
switch (ACKStatus)
{
case SendPacketStatus.SendACKed:
#if DBG_DIAGNOSTIC
Debug.Print("\t\tApp Message Handler: Retry queue length = " + _retriedPackets.Count);
#endif
#if !DBG_LOGIC
Debug.Print("Detect to " + transmitDestination.ToString() + " ACKed");
#endif
// Update link metrics
if ((ushort)transmitDestination == RoutingGlobal.Parent)
{
RoutingGlobal.UpdateNumReceivedInCurrentWindow_Parent(1);
#if !DBG_LOGIC
Debug.Print("Updated numReceivedInCurrentWindow for parent " + transmitDestination + "; new value = " + RoutingGlobal.GetNumReceivedInCurrentWindow_Parent());
#endif
}
else
{
byte cindex = CandidateTable.findIndex((ushort)transmitDestination);
if (cindex < byte.MaxValue)
{
CandidateTable._candidateList[cindex].UpdateNumReceivedInCurrentWindow(1);
#if !DBG_LOGIC
Debug.Print("Updated numReceivedInCurrentWindow for candidate " + transmitDestination + "; new value = " + CandidateTable._candidateList[cindex].GetNumReceivedInCurrentWindow());
#endif
}
}
if (_retriedPackets.Contains(index)) // If this was a re-try, remove packet from queue
{
_retriedPackets.Remove(index);
}
break;
case SendPacketStatus.SendNACKed:
#if !DBG_LOGIC
Debug.Print("Detect to " + transmitDestination.ToString() + " NACKed");
#endif
// Update link metrics
if ((ushort)transmitDestination == RoutingGlobal.Parent)
{
RoutingGlobal.UpdateNumTriesInCurrentWindow_Parent(1);
#if !DBG_LOGIC
Debug.Print("Updated numTriesInCurrentWindow for parent " + transmitDestination + "; new value = " + RoutingGlobal.GetNumTriesInCurrentWindow_Parent());
#endif
}
else
{
byte cindex = CandidateTable.findIndex((ushort)transmitDestination);
if (cindex < byte.MaxValue)
{
CandidateTable._candidateList[cindex].UpdateNumTriesInCurrentWindow(1);
#if !DBG_LOGIC
Debug.Print("Updated numTriesInCurrentWindow for candidate " + transmitDestination + "; new value = " + CandidateTable._candidateList[cindex].GetNumTriesInCurrentWindow());
#endif
}
}
break;
case SendPacketStatus.SendFailed:
#if DBG_DIAGNOSTIC
Debug.Print("\t\tApp Message Handler: Retry queue length = " + _retriedPackets.Count);
#endif
// Update link metrics
if ((ushort)transmitDestination == RoutingGlobal.Parent)
{
RoutingGlobal.UpdateNumTriesInCurrentWindow_Parent(1);
#if !DBG_LOGIC
Debug.Print("Updated numTriesInCurrentWindow for parent " + transmitDestination + "; new value = " + RoutingGlobal.GetNumTriesInCurrentWindow_Parent());
#endif
}
else
{
byte cindex = CandidateTable.findIndex((ushort)transmitDestination);
if (cindex < byte.MaxValue)
{
CandidateTable._candidateList[cindex].UpdateNumTriesInCurrentWindow(1);
#if !DBG_LOGIC
Debug.Print("Updated numTriesInCurrentWindow for candidate " + transmitDestination + "; new value = " + CandidateTable._candidateList[cindex].GetNumTriesInCurrentWindow());
#endif
}
}
// Retry
if (!_retriedPackets.Contains(index) && RoutingGlobal._color == Color.Green) // If packet not there, enqueue it and retry it once
{
RoutingGlobal.CleanseCandidateTable(pipe);
Candidate tmpBst = CandidateTable.GetBestCandidate(false);
AppGlobal.TempParent = tmpBst.GetMacID();
byte[] msg = new byte[AppGlobal.DetectionMessageSize];
if (pipe.GetMsgWithMsgID(ref msg, index) == DeviceStatus.Success)
{
AppGlobal.SendToTempParent(pipe, msg, msg.Length);
tmpBst.UpdateNumTriesInCurrentWindow(1);
#if !DBG_LOGIC
Debug.Print("Updated numTriesInCurrentWindow for TempParent " + transmitDestination + "; new value = " + tmpBst.GetNumTriesInCurrentWindow());
#endif
_retriedPackets.Add(index);
}
}
else // Retried once; drop packet
{
_retriedPackets.Remove(index);
}
break;
default:
break;
}
}