public static void SerialCallback_base_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("Base serial input: " + tempStr);
// If 1, note that PC wants to get switch data
if (tempStr.Length == 8 && tempStr.Substring(0, 7).Equals("fffffff"))
{
int rcvSize = AppGlobal.RecieveMessageSize;
var rcvPayloadBytes = new byte[rcvSize];
ushort originator = AppGlobal.AppPipe.MACRadioObj.RadioAddress;
AppGlobal.ClassificationType classificationType = AppGlobal.ClassificationType.Recieve;
byte TTL = Byte.MaxValue;
var headerSize = AppGlobal.MoteMessages.Compose.RecievePacket(rcvPayloadBytes, originator, _destination, classificationType, _packetNumber, _TTL, (ushort)_payloadLength);
// add payload
AppGlobal.MoteMessages.AddPayload.RecievePacket(rcvPayloadBytes, headerSize, readBytes, _payloadLength);
#if DBG_VERBOSE
Debug.Print("Sending Packet #" + _packetNumber + " to neighbor " + _destination);
Debug.Print(" Classification: " + (char)classificationType);
Debug.Print(" Originator: " + originator);
Debug.Print(" path Length: " + _pathLength);
Debug.Print(" payload Length: " + _payloadLength + "\n");
#endif
try
{
#if DBG_VERBOSE
Debug.Print("Send Successful");
#endif
var status = RoutingGlobal.SendToChild(AppGlobal.AppPipe, _destination, rcvPayloadBytes, rcvSize);
}
catch (Exception ex)
{
Debug.Print("SerialComm exception for Detection message [" + rcvSize + "]\n" + ex);
}
//Debug.Print("I know something you don't+ debug print from mote ");
//temComm.Write("helloToYouToo: from Mote \r\n");
//string tempNewStr = "fffffff" + newReturnNum;
//temComm.Write(tempNewStr);
//_tempTimer = new Timer(temp_timer, null, 0, 1 * 10000);
//send readBytes to orignator who send them
return;
}
}
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 ushort SendToChild(MACPipe mac, ushort destination, byte[] msgBytes, int length)
{
ushort next_neighbor = RoutingGlobal.GetChild(destination);
// If in a reset, do not forward
if (RoutingGlobal._color == Color.Red)
{
#if DBG_VERBOSE
Debug.Print("\tIn a Reset wave... not forwarded");
#endif
return(999);
}
ushort index = mac.EnqueueToSend(next_neighbor, msgBytes, 0, (ushort)length);
return(mac.IsMsgIDValid(index) ? index : (ushort)999);
}
private static void Status_Response(object state)
{
#if DBG_VERBOSE
Debug.Print("*** STATUS TIMEOUT FIRED: query# " + _statusMsgNum + "; setting new parent ***");
#elif DBG_SIMPLE
Debug.Print("Setting new parent after status query#" + _statusMsgNum);
#endif
// Try to switch to a new parent
// Check if candidate table has valid entries
RoutingGlobal.CleanseCandidateTable(_distResetPipe);
// 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++;
}
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
}
internal static int CreateStatusResponseMessage(byte[] msgBytes, ushort beaconNum)
{
var idx = 0;
msgBytes[idx] = (byte)MessageIds.StatusResponse;
idx += sizeof(byte);
msgBytes[idx] = (byte)RoutingGlobal._color;
idx += sizeof(byte);
msgBytes[idx] = RoutingGlobal.BestEtx;
idx += sizeof(byte);
var beaconAdj = (ushort)Math.Min(beaconNum, ushort.MaxValue);
BitConverter.InsertValueIntoArray(msgBytes, idx, beaconAdj);
idx += sizeof(ushort);
msgBytes[idx] = RoutingGlobal.GetPathEWRNP();
idx = +sizeof(byte);
return(idx);
}
public static Candidate GetBestCandidateRelativeToParent(bool refresh)
{
// Initializing parent as current best candidate
Candidate tmpBest = new Candidate(RoutingGlobal.Parent, RoutingGlobal._parentLinkRSSI, RoutingGlobal.BestEtx, byte.MaxValue, RoutingGlobal.GetPathEWRNP());
if (!IsEmpty())
{
//bool candidateFound = false;
for (int i = 0; i < _length; i++)
{
if (refresh)
{
_candidateList[i].SetPathEWRNP();
}
if (_candidateList[i].GetPathEWRNP() < tmpBest.GetPathEWRNP() || (_candidateList[i].GetPathEWRNP() == tmpBest.GetPathEWRNP() && _candidateList[i].GetEtx() < tmpBest.GetEtx()) || (_candidateList[i].GetPathEWRNP() == tmpBest.GetPathEWRNP() && _candidateList[i].GetEtx() == tmpBest.GetEtx() && _candidateList[i].GetRSSI() > tmpBest.GetRSSI()))
{
tmpBest = _candidateList[i];
}
#region no longer using _minRSSI
// if (_candidateList[i].GetRSSI() >= RoutingGlobal._minRSSI)
// {
// if (_candidateList[i].GetPathEWRNP() < tmpBest.GetPathEWRNP() || (_candidateList[i].GetPathEWRNP() == tmpBest.GetPathEWRNP() && _candidateList[i].GetEtx() < tmpBest.GetEtx()) || (_candidateList[i].GetPathEWRNP() == tmpBest.GetPathEWRNP() && _candidateList[i].GetEtx() == tmpBest.GetEtx() && _candidateList[i].GetRSSI() > tmpBest.GetRSSI()))
// {
// tmpBest = _candidateList[i];
// candidateFound = true;
//#if DBG_SIMPLE
// Debug.Print("candidate found: " + tmpBest.GetMacID().ToString() + " RSSI: " + tmpBest.GetRSSI().ToString());
//#endif
// }
// }
#endregion
}
}
return(tmpBest);
}
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;
}
}
/// <summary>
/// Handle an App message
/// </summary>
/// <param name="macBase"></param>
/// <param name="dateTime"></param>
/// <param name="packet"></param>
public static void AppPipeReceive(IMAC macBase, DateTime dateTime, Packet packet)
{
#if DBG_VERBOSE
DebuggingSupport.PrintMessageReceived(macBase, "App");
#elif DBG_SIMPLE
Debug.Print("");
Debug.Print("AppPipeReceive ");
#endif
try
{
#if !DBG_LOGIC
Debug.Print("\tFrom " + packet.Src);
#endif
DebuggingSupport.PrintMessageReceived(macBase, "App");
//Debug.Print("\ton " + packet.PayloadType);
//var rcvPayloadBytes = packet.Payload;
//var rcvPayloadBytes = SystemGlobal.GetTrimmedPayload(packet);
byte[] rcvPayloadBytes = packet.Payload;
#if DBG_VERBOSE
SystemGlobal.PrintNumericVals("App Rcv: ", rcvPayloadBytes);
#elif DBG_SIMPLE
Debug.Print("");
#endif
switch ((AppGlobal.MessageIds)rcvPayloadBytes[0])
{
case AppGlobal.MessageIds.Detect:
{
AppGlobal.ClassificationType classificationType;
ushort originator;
byte TTL;
ushort detectionNumber;
AppGlobal.MoteMessages.Parse.Detection(rcvPayloadBytes, out classificationType, out detectionNumber, out originator, out TTL);
#if DBG_SIMPLE
Debug.Print("\tDetect. From neighbor " + packet.Src + " # " + detectionNumber + ". Classification " + (char)classificationType + " created by " + originator + " with TTL " + TTL);
#endif
#if RELAY_NODE || CLIENT_NODE
// Check if originated by self or if TTL-1 = 0
if (originator == AppGlobal.AppPipe.MACRadioObj.RadioAddress || --TTL == 0)
{
return;
}
#region Uncomment when scheduler disabled
// If in a reset, do not forward TODO: Change this to "spray"
if (RoutingGlobal._color == Color.Red)
{
#if DBG_VERBOSE
Debug.Print("\tIn a Reset wave... not forwarded");
#endif
return;
}
#endregion
#region Uncomment when scheduler disabled
/* TODO: Uncomment lines 368-394 when not using scheduler*/
// Not originated by self.
// If parent is available, pass it on
if (RoutingGlobal.IsParent)
{
byte[] routedMsg = new byte[rcvPayloadBytes.Length];
var size = AppGlobal.MoteMessages.Compose.Detection(routedMsg, originator, classificationType, detectionNumber, TTL);
Debug.Print("routed message len: " + routedMsg.Length);
Debug.Print("routedMsg: " + routedMsg.ToString());
var status = RoutingGlobal.SendToParent(AppGlobal.AppPipe, routedMsg, size);
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
if (status != 999)
{
RoutingGlobal.UpdateNumTriesInCurrentWindow_Parent(1);
}
}
}
#endregion
#elif BASE_STATION
var msg = AppGlobal.PCMessages.Compose.Detection(originator, classificationType, detectionNumber);
try
{
_serialComm.Write(msg);
#if DBG_VERBOSE
Debug.Print("\n************ Detection sent to PC " + msg.Substring(1, msg.Length - 2));
#endif
}
catch (Exception ex)
{
Debug.Print("SerialComm exception for Detection message [" + msg + "]\n" + ex);
}
#endif
break;
}
case AppGlobal.MessageIds.Send:
{
AppGlobal.ClassificationType classificationType;
ushort originator;
byte TTL;
ushort sndNumber;
ushort payloadLength;
_lcd.Write("PSnd");
AppGlobal.MoteMessages.Parse.SendPacket(rcvPayloadBytes, out classificationType, out sndNumber, out originator, out TTL, out payloadLength);
int rcvHeader = AppGlobal.SendMessageSize;
byte[] sendPayload = new byte[payloadLength];
AppGlobal.MoteMessages.getPayload.SendPacket(rcvPayloadBytes, rcvHeader, sendPayload, (int)payloadLength);
#if DBG_VERBOSE
Debug.Print("Received Packet #" + sndNumber + " from neighbor " + packet.Src);
Debug.Print(" Classification: " + (char)classificationType);
Debug.Print(" Originator: " + originator);
Debug.Print(" payload Length: " + payloadLength + "\n");
//Debug.Print("Received Packet # " + sndNumber + "From neighbor " + packet.Src + " with Classification " + (char)classificationType + ", created by " + originator + " with payload " + payloadString);
#endif
#if CLIENT_NODE
Debug.Print("\tClient Recieved a send message...");
//_serialComm.Write(rcvPayloadBytes);
#elif RELAY_NODE
// Check if originated by self or if TTL-1 = 0
if (originator == AppGlobal.AppPipe.MACRadioObj.RadioAddress || --TTL == 0)
{
return;
}
#region Uncomment when scheduler disabled
// If in a reset, do not forward TODO: Change this to "spray"
if (RoutingGlobal._color == Color.Red)
{
#if DBG_VERBOSE
Debug.Print("\tIn a Reset wave... not forwarded");
#endif
return;
}
#endregion
#region Uncomment when scheduler disabled
/* TODO: Uncomment lines 368-394 when not using scheduler*/
// Not originated by self.
// If parent is available, pass it on
int payloadSize = sizeof(byte) * payloadLength;
// remove ushort in length because popping first in path
int rcvSize = rcvHeader + payloadSize;
byte[] routedMsg = new byte[rcvSize];
if (RoutingGlobal.IsParent)
{
var headerSize = AppGlobal.MoteMessages.Compose.SendPacket(routedMsg, originator, classificationType, sndNumber, TTL, payloadLength);
AppGlobal.MoteMessages.AddPayload.RecievePacket(routedMsg, headerSize, sendPayload, payloadLength);
Debug.Print("Sending Packet # " + sndNumber + " to neighbor " + RoutingGlobal.Parent);
Debug.Print(" Classification: " + (char)classificationType);
Debug.Print(" Originator: " + originator);
Debug.Print(" payload Length: " + payloadLength + "\n");
var status = RoutingGlobal.SendToParent(AppGlobal.AppPipe, routedMsg, rcvSize);
//Neighbor(AppGlobal.AppPipe, next_neighbor, routedMsg, size);
if (status != 999)
{
Debug.Print("Send Successful");
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
status = RoutingGlobal.SendToParent(AppGlobal.AppPipe, routedMsg, rcvSize);
if (status != 999)
{
Debug.Print("Send Successful");
//tmpBest.UpdateNumTriesInCurrentWindow(1);
#if !DBG_LOGIC
//Debug.Print("Updated numTriesInCurrentWindow for TempParent " + AppGlobal.TempParent + "; new value = " + tmpBest.GetNumTriesInCurrentWindow());
#endif
}
}
}
#endregion
#elif BASE_STATION
_packetNumber = sndNumber;
_TTL = TTL;
_payloadLength = payloadLength;
_destination = originator;
//Debug.Print("Base serial output: " + rcvString);
_serialComm.Write(sendPayload);
/*
* var rcvString = new string(System.Text.Encoding.UTF8.GetChars(rcvPayloadBytes));
* Debug.Print("Base serial output: " + rcvString);
* _serialComm.Write(rcvString);
*
* //wait for reply
* int rcvSize = AppGlobal.MoteMessages.Length.SendPacket(pathLength, payloadLength);
* classificationType = AppGlobal.ClassificationType.Recieve;
* byte[] rcvPayload;
* if (payloadLength == 1)
* {
* rcvPayload = BitConverter.GetBytes(GetBaseReply(sendPayload));
* }
* else
* {
* rcvPayload = BitConverter.GetBytes('c');
* }
* int rcvPayloadLength = rcvPayload.Length;
*
* ushort next_neighbor = path[pathLength - 1];
*
* int headerSize = AppGlobal.MoteMessages.Compose.RecievePacket(rcvPayloadBytes, originator, classificationType, sndNumber, TTL, pathLength, path, payloadLength);
* AppGlobal.MoteMessages.AddPayload.RecievePacket(rcvPayloadBytes, headerSize, rcvPayload, rcvPayloadLength);
*
#if DBG_VERBOSE
* Debug.Print("Sending Packet #" + sndNumber + " to neighbor " + next_neighbor);
* Debug.Print(" Classification: " + (char)classificationType);
* Debug.Print(" Originator: " + originator);
* Debug.Print(" path Length: " + pathLength);
* Debug.Print(" payload Length: " + rcvPayloadLength + "\n");
#endif
* try
* {
#if DBG_VERBOSE
* Debug.Print("Send Successful");
#endif
* var status = RoutingGlobal.SendToNeighbor(AppGlobal.AppPipe, next_neighbor, rcvPayloadBytes, rcvSize);
*
#if DBG_VERBOSE
* Debug.Print("\n************ Detection sent to PC " + msg.Substring(1,msg.Length-2));
#endif
* }
* catch (Exception ex)
* {
* Debug.Print("SerialComm exception for Detection message [" + rcvSize + "]\n" + ex);
* }
*/
#endif
break;
}
case AppGlobal.MessageIds.Recieve:
{
AppGlobal.ClassificationType classificationType;
ushort originator;
ushort destination;
byte TTL;
ushort rcvNumber;
ushort payloadLength;
_lcd.Write("PRcv");
AppGlobal.MoteMessages.Parse.RecievePacket(rcvPayloadBytes, out classificationType, out rcvNumber, out originator, out destination, out TTL, out payloadLength);
#if DBG_VERBOSE
Debug.Print("Received Packet #" + rcvNumber + " from neighbor " + packet.Src);
Debug.Print(" Classification: " + (char)classificationType);
Debug.Print(" Originator: " + originator);
Debug.Print(" payload Length: " + payloadLength + "\n");
#endif
//Debug.Print("\tRecieve. From neighbor " + packet.Src + " # " + rcvNumber + ". Classification " + (char)classificationType + " created by " + originator + " with TTL " + TTL);
#if CLIENT_NODE
int rcvHeader = AppGlobal.RecieveMessageSize;
byte[] rcvPayload = new byte[payloadLength];
AppGlobal.MoteMessages.getPayload.RecievePacket(rcvPayloadBytes, rcvHeader, rcvPayload, (int)payloadLength);
//var rcvString = new string(System.Text.Encoding.UTF8.GetChars(rcvPayload));
//Debug.Print("Client serial output: " + rcvString);
_serialComm.Write(rcvPayloadBytes);
#elif RELAY_NODE
// Check if originated by self or if TTL-1 = 0
if (originator == AppGlobal.AppPipe.MACRadioObj.RadioAddress || --TTL == 0)
{
return;
}
#region Uncomment when scheduler disabled
// If in a reset, do not forward TODO: Change this to "spray"
if (RoutingGlobal._color == Color.Red)
{
#if DBG_VERBOSE
Debug.Print("\tIn a Reset wave... not forwarded");
#endif
return;
}
#endregion
#region Uncomment when scheduler disabled
/* TODO: Uncomment lines 368-394 when not using scheduler*/
// Not originated by self.
// If parent is available, pass it on
int sndHeader = AppGlobal.RecieveMessageSize;
byte[] sndPayload = new byte[payloadLength];
AppGlobal.MoteMessages.getPayload.SendPacket(rcvPayloadBytes, sndHeader, sndPayload, (int)payloadLength);
int sendSize = sndHeader + payloadLength;
var routedMsg = new byte[sendSize];
var headerSize = AppGlobal.MoteMessages.Compose.RecievePacket(routedMsg, originator, classificationType, rcvNumber, TTL, payloadLength);
AppGlobal.MoteMessages.AddPayload.RecievePacket(routedMsg, headerSize, sndPayload, payloadLength);
#if DBG_VERBOSE
Debug.Print("Sending Packet # " + rcvNumber + " to child");
Debug.Print(" Classification: " + (char)classificationType);
Debug.Print(" Originator: " + originator);
Debug.Print(" payload Length: " + payloadLength + "\n");
#endif
var status = RoutingGlobal.SendToChild(AppGlobal.AppPipe, destination, routedMsg, sendSize);
if (status != 999)
{
Debug.Print("Send Successful");
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
status = RoutingGlobal.SendToChild(AppGlobal.AppPipe, destination, routedMsg, sendSize);
if (status != 999)
{
Debug.Print("Send Successful");
//tmpBest.UpdateNumTriesInCurrentWindow(1);
#if !DBG_LOGIC
//Debug.Print("Updated numTriesInCurrentWindow for TempParent " + AppGlobal.TempParent + "; new value = " + tmpBest.GetNumTriesInCurrentWindow());
#endif
}
}
#endregion
#elif BASE_STATION
#endif
break;
}
default:
Debug.Print("AppPipeReceive unknown rcvPayloadBytes[0] ");
throw new ArgumentOutOfRangeException();
}
#region unused
////var rcvPayloadChar = Encoding.UTF8.GetChars(rcvPayloadBytes);
////var payload = new string(rcvPayloadChar);
//if (payload.Substring(0, 5).Equals("Human")) //Data packets--human
//{
// Debug.Print("\n\tReceived decision: " + payload.Substring(0, 5) + "; source: " + payload.Substring(5) + "; from Node: " + packet.Src);
// _lcd.Write("" + (++_numData));
//}
//if (RoutingGlobal.Parent == SystemGlobal.NoParent)
//{
// Debug.Print("\tNo parent specified ");
// return;
//}
////Debug.Print("\t\t*** Parent: "+ Parent+", SelfAddress: "+SelfAddress);
//if (RoutingGlobal.Parent == _routing.SelfAddress)
//{
// Debug.Print("\tAt base");
// return;
//}
//var toSendByte = Encoding.UTF8.GetBytes(payload);
//var status = AppPipe.Send(RoutingGlobal.Parent, toSendByte, 0, (ushort)toSendByte.Length);
//if (status != NetOpStatus.S_Success)
//{
// Debug.Print("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Send status: " + status);
//}
//SystemGlobal.PrintNumericVals("App Snd: ", toSendByte);
//Debug.Print("Forwarded to parent node: " + RoutingGlobal.Parent);
#endregion
}
catch (Exception e)
{
Debug.Print(e.ToString());
}
}
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;
}
}
