public PEQMessageBuildTree(VarID DestinationID, VarID SenderID,
Byte SequenceNumber, VarID SinkID, Byte HopCount)
: base(DestinationID, SenderID, SequenceNumber)
{
_MessageType = 0x00;
_SinkID = SinkID;
_HopCount = HopCount;
}
public PEQMessageBuildTree(PEQMessage BaseMessage, VarID SinkID,
Byte HopCount)
: base(BaseMessage._DestinationID, BaseMessage._SenderID,
BaseMessage._SequenceNumber)
{
_MessageType = 0x00;
_SinkID = SinkID;
_HopCount = HopCount;
}
public PEQTableEntryMessageAck(Byte SequenceNumber, VarID DestinationID, PEQMessage dataMessage)
{
_SequenceNumber = SequenceNumber;
_DestinationID = DestinationID;
_DataMessage = dataMessage;
}
// Ack message: General acknowledgement (sent when Received Dest ID
// == Local Node ID)
public PEQMessageAck(VarID DestinationID, VarID SenderID,
Byte SequenceNumber)
: base(DestinationID, SenderID, SequenceNumber)
{
_MessageType = 0x03;
}
public PEQMessageResponse(PEQMessage BaseMessage, Byte HopCount, VarID SinkID)
: base(BaseMessage._DestinationID, BaseMessage._SenderID,
BaseMessage._SequenceNumber)
{
_MessageType = 0x05;
_HopCount = HopCount;
_SinkID = SinkID;
}
public PEQMessageSearch(PEQMessage BaseMessage, VarID SinkID)
: base(BaseMessage._DestinationID, BaseMessage._SenderID,
BaseMessage._SequenceNumber)
{
_MessageType = 0x04;
_SinkID = SinkID;
}
private void clearTableSearch(VarID SinkID)
{
List<PEQTableEntrySearch> killList
= new List<PEQTableEntrySearch>();
foreach (PEQTableEntrySearch entry in _tableSearch)
if (entry._SinkID == SinkID)
killList.Add(entry);
foreach (PEQTableEntrySearch entry in killList)
_tableSearch.Remove(entry);
}
public PEQMessageNotify(PEQMessage BaseMessage, VarID SinkID,
PEQData Data)
: base(BaseMessage._DestinationID, BaseMessage._SenderID,
BaseMessage._SequenceNumber)
{
_MessageType = 0x02;
_SinkID = SinkID;
_Data = Data;
}
private void startSearch(VarID SinkID, PEQMessage dataMessage)
{
clearTableSearch(SinkID);
// Set all neighbors to 0xFF hops (unreachable)
foreach (VarID neighborID in _tableNeighbor)
{
PEQTableEntrySearch entry = new PEQTableEntrySearch();
entry._SinkID = SinkID;
entry._HopCount = 0xFF;
entry._DestinationID = neighborID;
entry._DataMessage = dataMessage;
_tableSearch.Add(entry);
}
sendSearch(SinkID);
_searchAggregator.IncrementSearches();
updateRoutingTable();
}
private void startSearch(VarID SinkID)
{
startSearch(SinkID, null);
}
private void sendSearch(VarID SinkID, int searchCount)
{
PEQMessageSearch msg = new PEQMessageSearch(new VarID(SinkID.SizeOf()), _id,
_sequenceNumber++, SinkID);
msg._nextHopCheat = _location;
PEQTimerMessage timerEvent = new PEQTimerMessage(msg,
_eventManager.CurrentClock + _TIMER_RANDOM_WAIT_SEND * _randomValue.NextDouble(), this);
_eventManager.AddEvent(timerEvent);
PEQTimerSearch searchTimer
= new PEQTimerSearch(_eventManager.CurrentClock +
_physicalProcessor.MaximumRange * _TIMER_SEARCH /
_physicalProcessor.PropagationSpeed, this);
searchTimer._SinkID = SinkID;
searchTimer._Count = ++searchCount;
_eventManager.AddEvent(searchTimer);
}
private void sendSearch(VarID SinkID)
{
sendSearch(SinkID, 0);
}
public PEQTableEntryRouting(int VarIDSize)
{
_SenderID = new VarID(VarIDSize);
_nextHopCheat = new XYDoubleLocation(0, 0);
}
public PEQMessageHello(VarID SenderID)
{
_DestinationID = new VarID(SenderID.SizeOf());
_SenderID = SenderID;
_MessageType = 0xFF;
_SequenceNumber = 0x00;
}
private void completeSearch(VarID sinkID)
{
byte hopCount = 0xff;
PEQTableEntrySearch winner = null;
foreach (PEQTableEntrySearch entry in _tableSearch)
{
if ((entry._HopCount < hopCount) && (entry._SinkID == sinkID))
{
hopCount = entry._HopCount;
winner = entry;
}
}
if (winner == null)
{
clearTableSearch(sinkID);
startSearch(sinkID);
}
else
completeSearch(winner);
}
public PEQMessageNotify(VarID DestinationID, VarID SenderID,
Byte SequenceNumber, VarID SinkID, PEQData Data)
: base(DestinationID, SenderID, SequenceNumber)
{
_MessageType = 0x02;
_SinkID = SinkID;
_Data = Data;
}
private void processAckTimer(PEQTimerAck timer)
{
List<PEQTableEntryMessageAck> killList =
new List<PEQTableEntryMessageAck>();
VarID sinkID = new VarID(_NUM_ID_BYTES);
foreach (PEQTableEntryMessageAck entry in _tableAck)
{
if (entry._SequenceNumber == timer._AckInfo._SequenceNumber)
{
// Add entry to list for deletion
killList.Add(entry);
bool search = false;
// Check neighbor - if `holds current route?` Then `Search.`
foreach (PEQTableEntryRouting route in _tableRouting)
{
if (route._DestinationID == entry._DestinationID)
if (route._Valid)
{
route._Valid = false;
search = true;
sinkID = route._SinkID;
}
}
// Check neighbor subscription entries
foreach (PEQTableEntrySubscription subscription in
_tableSubscription)
{
if (subscription._DestinationID == entry._DestinationID)
{
subscription._Valid = false;
search = true;
}
}
if (search)
startSearch(sinkID, entry._DataMessage);
// Delete neighbor
_tableNeighbor.Remove(entry._DestinationID);
}
}
// Clear the ack list of all matched entries.
foreach (PEQTableEntryMessageAck entry in killList)
_tableAck.Remove(entry);
}
public PEQMessageResponse(VarID DestinationID, VarID SenderID,
Byte SequenceNumber, Byte HopCount, VarID SinkID)
: base(DestinationID, SenderID, SequenceNumber)
{
_MessageType = 0x05;
_HopCount = HopCount;
_SinkID = SinkID;
}
public PEQMessage(VarID DestinationID, VarID SenderID, Byte SequenceNumber)
{
_DestinationID = DestinationID;
_SenderID = SenderID;
_SequenceNumber = SequenceNumber;
}
public PEQMessageSearch(VarID DestinationID, VarID SenderID,
Byte SequenceNumber, VarID SinkID)
: base(DestinationID, SenderID, SequenceNumber)
{
_MessageType = 0x04;
_SinkID = SinkID;
}
PEQMessage(VarID DestinationID, VarID SenderID, Byte SequenceNumber,
Byte MessageType)
: this(DestinationID, SenderID, SequenceNumber)
{
_MessageType = MessageType;
}
public PEQMessageSubscribe(PEQMessage BaseMessage, VarID SinkID,
Byte HopCount, PEQSubscriptionInfo SubscriptionInfo)
: base(BaseMessage._DestinationID, BaseMessage._SenderID,
BaseMessage._SequenceNumber)
{
_MessageType = 0x01;
_SinkID = SinkID;
_HopCount = HopCount;
_SubscriptionInfo = SubscriptionInfo;
}
public PEQTableEntryMessageAck(Byte SequenceNumber, VarID DestinationID)
{
_SequenceNumber = SequenceNumber;
_DestinationID = DestinationID;
}