public static void Send_ResetWave() { // If in a reset wave already, return. if (RoutingGlobal._color == Color.Red) { return; } // Refresh children table _children.CleanseChildrenTable(); if (!_children.IsEmpty()) { RoutingGlobal._color = Color.Red; var msgBytes = new byte[3]; var size = ComposeMessages.CreateResetMessage(msgBytes, (ushort)_resetMsgNum); MulticastToChildren(msgBytes, size); _distResetTimer.Change(120000, Timeout.Infinite); // 2 min timer. TODO: Make timeout interval contingent on distance from the reset wave origin } else { // Create status query to existing candidates var msgBytes = new byte[3]; var size = ComposeMessages.CreateStatusQueryMessage(msgBytes, (ushort)_statusMsgNum); // Multicast query to candidates if (MulticastToCandidates(msgBytes, size)) // If there are candidates { // Wait for response _statusResponseTimer.Change(10000, Timeout.Infinite); // 10 second timer // Reset candidate table ushort[] neighbors = MACBase.NeighborListArray(); CandidateTable.Initialize((byte)neighbors.Length); } else //Empty candidate table; set parent immediately { // Set best node in candidate table as parent RoutingGlobal.SetParent(false); // Reset params RoutingGlobal._color = Color.Green; // Send "Add Parent" message to new parent DistributedReset.Send_AddParent(); _statusMsgNum++; _resetMsgNum++; } } }
public static void SetParent(bool refresh) { // Add current parent as ex parent _ex_parent = _parent; if (IsParent && refresh) { //Update path EWRNP SetPathEWRNP(); } if (!CandidateTable.IsEmpty()) { Candidate p = CandidateTable.GetBestCandidateRelativeToParent(refresh); // Includes path EWRNP updation and comparison with present parent // If a parent existed previously, add it to the candidate table if (Parent != p.GetMacID()) { if (IsParent) { #if !DBG_LOGIC Debug.Print("Adding current parent" + RoutingGlobal.Parent + " to the candidate table"); #endif CandidateTable.AddCandidate(RoutingGlobal.Parent, RoutingGlobal._parentLinkRSSI, RoutingGlobal.BestEtx, RoutingGlobal.path_ewrnp_Parent, RoutingGlobal.path_ewrnp); } Parent = p.GetMacID(); BestEtx = p.GetEtx(); _parentLinkRSSI = (int)p.GetRSSI(); path_ewrnp_Parent = p.GetPathEWRNP_Base_to_Candidate(); path_ewrnp = p.GetPathEWRNP(); // Drop parent from candidate table CandidateTable.DropCandidate(Parent); } #if DBG_VERBOSE Debug.Print("*** NEW PARENT: " + p.GetMacID() + "; path length (new): " + BestEtx + "; link RSSI: " + _parentLinkRSSI + " ***"); #elif DBG_SIMPLE Debug.Print("Set Parent " + p.GetMacID() + ":[" + path_ewrnp + "," + BestEtx + "," + _parentLinkRSSI + "]"); #endif Debug.Print("Set Parent " + p.GetMacID() + ":[" + path_ewrnp + "," + BestEtx + "," + _parentLinkRSSI + "]"); } else { #if !DBG_LOGIC Debug.Print("Empty candidate table. Parent " + RoutingGlobal.Parent + " unchanged: [" + path_ewrnp + "," + BestEtx + "," + _parentLinkRSSI + "]"); #endif } }
private static bool MulticastToCandidates(byte[] message, int messageLength) { ushort[] candidates = CandidateTable.GetCandidateNames(); if (candidates != null) { #if DBG_VERBOSE SystemGlobal.PrintNumericVals("Candidate List [for " + _distResetPipe.MACRadioObj.RadioAddress + "] ", candidates); #endif } else { return(false); } #if DBG_VERBOSE if (_distResetPipe != null) { SystemGlobal.PrintNumericVals("Multicast (on MACPipe " + _distResetPipe.PayloadType + "): ", message, messageLength); } else { SystemGlobal.PrintNumericVals("Multicast: ", message, messageLength); } #endif foreach (var theNeighbor in candidates) { if (theNeighbor == 0) { continue; } var status = _distResetPipe.Send(theNeighbor, message, 0, (ushort)messageLength); #if DBG_VERBOSE if (status != NetOpStatus.S_Success) { Debug.Print("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Send status: " + status); } Debug.Print("\tSent to " + theNeighbor); #elif DBG_SIMPLE Debug.Print("\tSent to " + theNeighbor + ", status: " + status); #endif } return(true); }
public static void CleanseCandidateTable(MACPipe pipe) { ushort[] _neighborList = MACBase.NeighborListArray(); pipe.NeighborList(_neighborList); // Get current neighborlist foreach (Candidate c in CandidateTable._candidateList) { ushort macID = c.GetMacID(); if (Array.IndexOf(_neighborList, macID) == -1) { #if DBG_VERBOSE Debug.Print("--- CANDIDATE LIST CLEANUP: Removing stale candidate: " + macID + " ---"); #elif DBG_SIMPLE Debug.Print("Removing stale candidate: " + macID); #endif CandidateTable.DropCandidate(macID); } } }
private static void Reset_State(object state) { #if DBG_VERBOSE Debug.Print("*** RESET WAVE TIMEOUT FIRED: Initiating completion wave# " + _resetMsgNum + " ***"); #elif DBG_SIMPLE Debug.Print("Initiating completion wave " + _resetMsgNum + ""); #endif Send_CompletionWave(_resetMsgNum); // Purge children table _children = new ChildrenList(); _completionMsgs = null; // Create status query to existing candidates var msgBytes = new byte[3]; var size = ComposeMessages.CreateStatusQueryMessage(msgBytes, (ushort)_statusMsgNum); // Multicast query to candidates if (MulticastToCandidates(msgBytes, size)) // If there are candidates { // Wait for response _statusResponseTimer.Change(10000, Timeout.Infinite); // 10 second timer // Reset candidate table ushort[] neighbors = MACBase.NeighborListArray(); CandidateTable.Initialize((byte)neighbors.Length); } else //Empty candidate table; set parent immediately { // Set best node in candidate table as parent RoutingGlobal.SetParent(false); // Reset params RoutingGlobal._color = Color.Green; // Send "Add Parent" message to new parent DistributedReset.Send_AddParent(); _statusMsgNum++; } _resetMsgNum++; // No more completion messages to be accepted beyond this point }
/// <summary> /// Send a message to all neighbors - moved here from SystemGlobal /// </summary> /// <param name="mac"></param> /// <param name="message"></param> /// <param name="messageLength"></param> public static void BroadcastBeacon(IMAC mac, byte[] message, int messageLength) { var neighbors = MACBase.NeighborListArray(); mac.NeighborList(neighbors); #if !DBG_LOGIC SystemGlobal.PrintNeighborList(mac); #endif var pipe = mac as MACPipe; #if DBG_VERBOSE if (pipe != null) { PrintNumericVals("Broadcast (on MACPipe " + pipe.PayloadType + "): ", message, messageLength); } else { PrintNumericVals("Broadcast: ", message, messageLength); } #endif foreach (var theNeighbor in neighbors) { if (theNeighbor == 0) { continue; } var status = pipe.EnqueueToSend(theNeighbor, message, 0, (ushort)messageLength); if (pipe.IsMsgIDValid(status)) { // Update link metrics if (theNeighbor == Parent) { UpdateNumTriesInCurrentWindow_Parent(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for parent " + theNeighbor + "; new value = " + GetNumTriesInCurrentWindow_Parent()); #endif } else { byte cindex = CandidateTable.findIndex(theNeighbor); if (cindex < byte.MaxValue) { CandidateTable._candidateList[cindex].UpdateNumTriesInCurrentWindow(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for candidate " + theNeighbor + "; new value = " + CandidateTable._candidateList[cindex].GetNumTriesInCurrentWindow()); #endif } } #if DBG_VERBOSE if (status != NetOpStatus.S_Success) { Debug.Print("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Send status: " + status); } Debug.Print("\tSent to " + theNeighbor); #elif DBG_SIMPLE Debug.Print("\tSent to " + theNeighbor + ", status: " + status); #endif } } }
private static void DistResetStreamReceive(IMAC macBase, DateTime time, Packet packet) { #if DBG_VERBOSE DebuggingSupport.PrintMessageReceived(macBase, "Distributed Reset"); #endif if (packet == null) { return; } #if !DBG_LOGIC Debug.Print("\tRSSI: " + packet.RSSI + ", from " + packet.Src); #endif var rcvPayloadBytes = packet.Payload; //var payload = new string(Encoding.UTF8.GetChars(rcvPayloadBytes)); #if DBG_VERBOSE SystemGlobal.PrintNumericVals("\tDistributed reset Rcv: ", rcvPayloadBytes); #endif try { ushort[] neighbors = MACBase.NeighborListArray(); var neighborStatus = _distResetPipe.NeighborStatus(packet.Src); if (neighborStatus == null) { #if DBG_VERBOSE Debug.Print("\t\t!!!!!!!!!!!!!!!!! Node " + packet.Src + " is not a Neighbor (MACBase.NeighborStatus returned null)"); #elif DBG_SIMPLE Debug.Print("Sender not a neighbor."); #endif // If node in children table, drop it if (Array.IndexOf(_children._childrenList, packet.Src) < -1) { _children.DropChild(packet.Src); } return; } //Debug.Print("\t\tFwd avg RSSI: " + neighborStatus.ReceiveLink.AverageRSSI + ", Rev avg RSSI: " + neighborStatus.SendLink.AverageRSSI); switch ((MessageIds)rcvPayloadBytes[0]) { case MessageIds.AddParent: #if !DBG_LOGIC Debug.Print("\t>>> AddParent"); #endif if (_children.AddChild(packet.Src)) { #if DBG_VERBOSE Debug.Print("+++ Added new child: " + packet.Src + " +++"); #elif DBG_SIMPLE Debug.Print("Added new child: " + packet.Src); #endif } else { #if DBG_VERBOSE Debug.Print("@@@ Child already exists: " + packet.Src + " @@@"); #endif } return; case MessageIds.DropParent: #if !DBG_LOGIC Debug.Print("\t>>> DropParent"); #endif if (_children.DropChild(packet.Src)) { #if DBG_VERBOSE Debug.Print("--- Dropped child: " + packet.Src + " ---"); #elif DBG_SIMPLE Debug.Print("Dropped child: " + packet.Src); #endif } else { #if DBG_VERBOSE Debug.Print("@@@ Child does not exist: " + packet.Src + " @@@"); #endif } return; case MessageIds.Reset: #if !DBG_LOGIC Debug.Print("\t>>> ResetWave"); #endif // Decode round number ushort round_num; ParseMessages.ParseResetMessage(rcvPayloadBytes, out round_num); // Is this a legit reset wave? if (RoutingGlobal._color == Color.Red || packet.Src != RoutingGlobal.Parent || round_num != _resetMsgNum) { #if DBG_VERBOSE Debug.Print("!!! ILLEGAL RESET WAVE# " + round_num + ": Received from: " + packet.Src + " !!!"); #elif DBG_SIMPLE Debug.Print("Illegal reset wave " + round_num + " from " + packet.Src); #endif return; } // Refresh children table _children.CleanseChildrenTable(); if (_children.IsEmpty()) // Start completion wave if leaf node { #if DBG_VERBOSE Debug.Print("*** LEAF NODE REACHED: Initiating completion wave# " + round_num + " ***"); #elif DBG_SIMPLE Debug.Print("At leaf; initiating completion wave " + round_num); #endif Send_CompletionWave(round_num); // Create status query to existing candidates var msgBytes = new byte[3]; var size = ComposeMessages.CreateStatusQueryMessage(msgBytes, (ushort)_statusMsgNum); // Multicast query to candidates if (MulticastToCandidates(msgBytes, size)) // If there are candidates { // Wait for response _statusResponseTimer.Change(10000, Timeout.Infinite); // 10 second timer // Reset candidate table CandidateTable.Initialize((byte)neighbors.Length); } else //Empty candidate table; set parent immediately { // Set best node in candidate table as parent RoutingGlobal.SetParent(false); // Reset params RoutingGlobal._color = Color.Green; // Send "Add Parent" message to new parent DistributedReset.Send_AddParent(); _statusMsgNum++; } _resetMsgNum++; } else { // Forward reset wave to own children Send_ResetWave(rcvPayloadBytes); } return; case MessageIds.Completion: #if !DBG_LOGIC Debug.Print("\t>>> CompletionWave"); #endif // Decode round number ushort round; ParseMessages.ParseCompletionMessage(rcvPayloadBytes, out round); // Is this a legit completion wave? int pos = Array.IndexOf(_children._childrenList, packet.Src); if (RoutingGlobal._color != Color.Red || pos == -1 || round != _resetMsgNum) { #if DBG_VERBOSE Debug.Print("!!! ILLEGAL COMPLETION WAVE# " + round + ": Received from: " + packet.Src + " !!!"); #elif DBG_SIMPLE Debug.Print("Illegal completion wave " + round + " from " + packet.Src); #endif return; } _completionMsgs[pos] = true; // Forward completion wave if received from all children for (int i = 0; i < _completionMsgs.Length; i++) { if (!_completionMsgs[i]) // If not received from any child, return { return; } } // Else, forward completion wave to parent #if DBG_VERBOSE Debug.Print("*** RECEIVED COMPLETION MESSAGES FROM ALL CHILDREN: initiating completion wave# " + round + " ***"); #elif DBG_SIMPLE Debug.Print("All children responded; initiating completion wave " + round); #endif Send_CompletionWave(round); // Purge children table _children = new ChildrenList(); _completionMsgs = null; _distResetTimer.Change(Timeout.Infinite, Timeout.Infinite); // Create status query to existing candidates var msgBytes1 = new byte[3]; var size1 = ComposeMessages.CreateStatusQueryMessage(msgBytes1, (ushort)_statusMsgNum); // Multicast query to candidates if (MulticastToCandidates(msgBytes1, size1)) // If there are candidates { // Wait for response _statusResponseTimer.Change(10000, Timeout.Infinite); // 10 second timer // Reset candidate table CandidateTable.Initialize((byte)neighbors.Length); } else //Empty candidate table; set parent immediately { // Set best node in candidate table as parent RoutingGlobal.SetParent(false); // Reset params RoutingGlobal._color = Color.Green; // Send "Add Parent" message to new parent DistributedReset.Send_AddParent(); _statusMsgNum++; } _resetMsgNum++; return; case MessageIds.StatusQuery: #if !DBG_LOGIC Debug.Print("\t>>> StatusQuery"); #endif //If in a reset wave or no valid path, don't bother responding if (RoutingGlobal._color == Color.Red || RoutingGlobal.BestEtx >= RoutingGlobal.Infinity) { #if DBG_VERBOSE Debug.Print("!!! Not responding. Color: " + RoutingGlobal._color + ", BestEtx: " + RoutingGlobal.BestEtx + " !!!"); #elif DBG_SIMPLE Debug.Print("Not responding. Color: " + RoutingGlobal._color + ", BestEtx: " + RoutingGlobal.BestEtx); #endif return; } // Decode round number ushort status_msgnum; ParseMessages.ParseStatusQueryMessage(rcvPayloadBytes, out status_msgnum); // Send status response var msgBytes2 = new byte[5]; var size2 = ComposeMessages.CreateStatusResponseMessage(msgBytes2, status_msgnum); NetOpStatus status = _distResetPipe.Send(RoutingGlobal.Parent, msgBytes2, 0, (ushort)size2); return; case MessageIds.StatusResponse: #if !DBG_LOGIC Debug.Print("\t>>> StatusResponse"); #endif ushort status_respnum; Color col; byte etx; byte pathEWRNP_B2N; // Decode message ParseMessages.ParseStatusResponseMessage(rcvPayloadBytes, out col, out etx, out status_respnum, out pathEWRNP_B2N); // Is this a valid response? if (status_respnum != _statusMsgNum) { #if DBG_VERBOSE Debug.Print("!!! ILLEGAL STATUS RESPONSE# " + status_respnum + ": Received from: " + packet.Src + " !!!"); #elif DBG_SIMPLE Debug.Print("Illegal status response " + status_respnum + " from " + packet.Src); #endif return; } byte tempEtx = (byte)(etx + 1); // Add candidate if its offered etx exceeds _minEtx if (tempEtx >= RoutingGlobal._minEtx) { CandidateTable.AddCandidate(packet.Src, 0, tempEtx, pathEWRNP_B2N, RoutingGlobal.MaxEtx); // TODO: Add RSSI later #if DBG_VERBOSE Debug.Print("+++ Added new candidate: " + packet.Src + "; path length: " + tempEtx + " +++"); #elif DBG_SIMPLE Debug.Print("New candidate " + packet.Src + ":[" + tempEtx + "]"); #endif } else { #if DBG_VERBOSE Debug.Print("--- Not a candidate: " + packet.Src + "; path length: " + tempEtx + " ---"); #elif DBG_SIMPLE Debug.Print("Not a candidate " + packet.Src + ":[" + tempEtx + "]"); #endif } return; default: #if !DBG_LOGIC Debug.Print("\tUnknown message received <" + rcvPayloadBytes[0] + ">"); #endif break; } } catch (Exception e) { Debug.Print(e.StackTrace); } }
public static void SerialCallback_client_node(byte[] readBytes) { if (readBytes.Length < 1) { return; } var readChars = System.Text.Encoding.UTF8.GetChars(readBytes); // Decode the input bytes as char using UTF8 string tempStr = new string(readChars); //Debug.Print("Client serial input: " + tempStr); // If 1, note that PC wants to get switch data if (readBytes.Length == 8 && tempStr.Substring(0, 7).Equals("fffffff")) { // byte payloadValue = (byte)_rand.Next(11); // Change both for different payload sizes // byte payloadValue = (byte)_rand.Next(11); // Change both for different payload sizes int payloadLength = readBytes.Length; int sendSize = AppGlobal.SendMessageSize; var routedMsg = new byte[sendSize]; ushort originator = AppGlobal.AppPipe.MACRadioObj.RadioAddress; AppGlobal.ClassificationType classificationType = AppGlobal.ClassificationType.Send; byte TTL = Byte.MaxValue; var headerSize = AppGlobal.MoteMessages.Compose.SendPacket(routedMsg, originator, classificationType, _sendMsgNum, TTL, (ushort)payloadLength); // add payload AppGlobal.MoteMessages.AddPayload.SendPacket(routedMsg, headerSize, readBytes, payloadLength); if (RoutingGlobal.IsParent) { #if DBG_VERBOSE Debug.Print("Sending Packet #" + _sendMsgNum + " to Parent"); Debug.Print(" Classification: " + (char)classificationType); Debug.Print(" Originator: " + originator); Debug.Print(" payload Length: " + payloadLength + "\n"); #endif var status = RoutingGlobal.SendToParent(AppGlobal.AppPipe, routedMsg, sendSize); if (status != 999) { Debug.Print("Send Successful"); _sendMsgNum++; RoutingGlobal.UpdateNumTriesInCurrentWindow_Parent(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for Parent " + RoutingGlobal.Parent + "; new value = " + RoutingGlobal.GetNumTriesInCurrentWindow_Parent()); #endif } else //Retry once { #if !DBG_LOGIC Debug.Print("Retrying packet"); #endif RoutingGlobal.CleanseCandidateTable(AppGlobal.AppPipe); Candidate tmpBest = CandidateTable.GetBestCandidate(false); AppGlobal.TempParent = tmpBest.GetMacID(); status = AppGlobal.SendToTempParent(AppGlobal.AppPipe, routedMsg, sendSize); if (status != 999) { Debug.Print("Send Successful"); _sendMsgNum++; tmpBest.UpdateNumTriesInCurrentWindow(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for TempParent " + AppGlobal.TempParent + "; new value = " + tmpBest.GetNumTriesInCurrentWindow()); #endif } } } //Debug.Print("I know something you don't+ debug print from mote "); //temComm.Write("helloToYouToo: from Mote \r\n"); //Random random = new Random(); //int newReturnNum = random.Next(9); //String tempNewStr = "fffffff" + newReturnNum; //temComm.Write(tempNewStr); //_tempTimer = new Timer(temp_timer, null, 0, 1 * 10000); //send readBytes to parent. return; } }
public static void SendDetectionMessage(AppGlobal.ClassificationType classification, int detectNum) { var msgBytes = new byte[AppGlobal.DetectionMessageSize]; var actualSize = AppGlobal.MoteMessages.Compose.Detection(msgBytes, AppGlobal.AppPipe.MACRadioObj.RadioAddress, classification, detectNum, RoutingGlobal.Infinity); #region Uncomment when not using scheduler #if DBG_VERBOSE //Debug.Print("\nAttempting send of detection message " + detectNum + " on pipe " + AppGlobal.AppPipe.PayloadType + " with classification " + (char)classification + ", size " + actualSize + " to parent " + RoutingGlobal.Parent); #elif DBG_SIMPLE Debug.Print("\nSending to " + RoutingGlobal.Parent); #endif #if DBG_VERBOSE var msgS = new System.Text.StringBuilder(); for (var i = 0; i < actualSize; i++) { msgS.Append(msgBytes[i]); msgS.Append(' '); } Debug.Print("\t" + msgS); #endif // If in a reset, do not forward TODO: Change this to "spray" if (RoutingGlobal._color == Color.Red) { #if DBG_VERBOSE || DBG_SIMPLE Debug.Print("\tIn a Reset wave... not forwarded"); #endif return; } // If parent is available, pass it on if (RoutingGlobal.IsParent) { Debug.Print("routed message len: " + msgBytes.Length); var status = RoutingGlobal.SendToParent(AppGlobal.AppPipe, msgBytes, actualSize); Debug.Print("status " + status); if (status != 999) { RoutingGlobal.UpdateNumTriesInCurrentWindow_Parent(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for Parent " + RoutingGlobal.Parent + "; new value = " + RoutingGlobal.GetNumTriesInCurrentWindow_Parent()); #endif } else //Retry once { #if !DBG_LOGIC Debug.Print("Retrying packet"); #endif RoutingGlobal.CleanseCandidateTable(AppGlobal.AppPipe); Candidate tmpBest = CandidateTable.GetBestCandidate(false); AppGlobal.TempParent = tmpBest.GetMacID(); status = AppGlobal.SendToTempParent(AppGlobal.AppPipe, msgBytes, actualSize); if (status != 999) { tmpBest.UpdateNumTriesInCurrentWindow(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for TempParent " + AppGlobal.TempParent + "; new value = " + tmpBest.GetNumTriesInCurrentWindow()); #endif } } } #endregion }
public static void SendPacketMessage(Object state) { Debug.Print("Timer Trigger"); _lcd.Write("Send"); ushort pathLength = 1; int payloadValue = 25000; // byte payloadValue = (byte)_rand.Next(11); // Change both for different payload sizes byte[] payload = BitConverter.GetBytes(payloadValue); int payloadLength = payload.Length; int sendSize = AppGlobal.SendMessageSize; var routedMsg = new byte[sendSize]; ushort originator = AppGlobal.AppPipe.MACRadioObj.RadioAddress; AppGlobal.ClassificationType classificationType = AppGlobal.ClassificationType.Send; byte TTL = Byte.MaxValue; ushort[] path = { originator }; var headerSize = AppGlobal.MoteMessages.Compose.SendPacket(routedMsg, originator, classificationType, _sendMsgNum, TTL, (ushort)payloadLength); // add payload AppGlobal.MoteMessages.AddPayload.SendPacket(routedMsg, headerSize, payload, payloadLength); #if DBG_SIMPLE Debug.Print("\nSending to " + RoutingGlobal.Parent); #endif // If in a reset, do not forward TODO: Change this to "spray" if (RoutingGlobal._color == Color.Red) { #if DBG_VERBOSE || DBG_SIMPLE Debug.Print("\tIn a Reset wave... not forwarded"); #endif return; } // If parent is available, pass it on if (RoutingGlobal.IsParent) { Debug.Print("routed message len: " + routedMsg.Length); var status = RoutingGlobal.SendToParent(AppGlobal.AppPipe, routedMsg, sendSize); Debug.Print("status " + status); if (status != 999) { _sendMsgNum++; RoutingGlobal.UpdateNumTriesInCurrentWindow_Parent(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for Parent " + RoutingGlobal.Parent + "; new value = " + RoutingGlobal.GetNumTriesInCurrentWindow_Parent()); #endif } else //Retry once { #if !DBG_LOGIC Debug.Print("Retrying packet"); #endif RoutingGlobal.CleanseCandidateTable(AppGlobal.AppPipe); Candidate tmpBest = CandidateTable.GetBestCandidate(false); AppGlobal.TempParent = tmpBest.GetMacID(); status = AppGlobal.SendToTempParent(AppGlobal.AppPipe, routedMsg, sendSize); if (status != 999) { _sendMsgNum++; tmpBest.UpdateNumTriesInCurrentWindow(1); #if !DBG_LOGIC Debug.Print("Updated numTriesInCurrentWindow for TempParent " + AppGlobal.TempParent + "; new value = " + tmpBest.GetNumTriesInCurrentWindow()); #endif } } } }
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; } }