/// <summary>
/// What to do when a packet relevant to the highlight flooding algorithm is received
///
/// If the node has not already received one of the highlight flooding packets flood highlight packets along all links and send a new
/// highlight all packet back towards the source of the received packet
/// </summary>
/// <param name = "packet"></param>
public void HighlightAll(IMNodeInternal hop)
{
if (HighlightingAll)
{
return;
}
lock (HighlightLock) {
_highlightedLink = ForwardingTable.ContainsKey(_globalTargetKey) ? ForwardingTable[_globalTargetKey] : null;
_highlightState = HighlghtState.HighlightingAll;
if (_highlightedLink != null)
{
_highlightedLink.Colour = _globalHighlightColour;
}
foreach (IMLink l in _links)
{
IMNode neighbour = l.OtherEnd(this);
if (!neighbour.Equals(hop))
{
neighbour.HighlightAll(this);
}
}
}
}
/// <inhertidoc />
public void TriggerHighlight(string alg, IMNodeInternal target)
{
if (Equals(_globalHighlightTarget) || Equals(_globalHighlightRoot))
{
TriggerHighlightReset();
return;
}
ClearOld();
_globalTargetKey = target.ID;
_globalHighlightTarget = (IMNode)target;
_globalHighlightRoot = this;
_globalHighlightColour = Colour;
_globalHighlightState = HighlghtState.HighlightingSingle;
_highlightState = HighlghtState.HighlightingSingle;
//If there is a route
if (ForwardingTable.ContainsKey(_globalTargetKey))
{
lock (HighlightLock) {
_highlightedLink = ForwardingTable[_globalTargetKey];
_highlightedLink.Colour = _globalHighlightColour;
IMNode node = ForwardingTable[_globalTargetKey].OtherEnd(this);
node.Highlight(this);
}
}
else
{
_highlightedLink = null;
}
}
/// <Inheritdoc />
public void Send(IMNodeExternal destination, Parameters parameters)
{
if (!ForwardingTable.ContainsKey(destination.ID))
{
Say("Unable to forward packet to " + destination.Name);
return;
}
IMLink link = ForwardingTable[destination.ID];
SendPacket(ID, link.ID, new MPacket(this, destination, this, parameters));
}
/// <summary>
/// What to do when a data packet is received.
///
/// Will either forward the packet along the relevant link in the routing table or
/// print out that the packet was received in world.
/// </summary>
/// <param name = "packet">The packet</param>
protected virtual void ReceiveData(IMPacket packet)
{
if (ID.Equals(packet.D))
{
Say("Received " + packet.Name);
Util.Wake(this);
}
else if (packet.D != null && ForwardingTable.ContainsKey(packet.D))
{
packet.Hop = this;
SendPacket(this.ID, ForwardingTable[packet.D].ID, packet);
}
else
{
dropped(packet);
}
}
/// <summary>
/// What to do when notified that it should highlight
///
/// Will highlight the link and forward the packet on if necessary
/// </summary>
/// <param name = "packet">The packet received</param>
public void Highlight(IMNodeInternal hop)
{
_highlightedLink = ForwardingTable.ContainsKey(_globalTargetKey) ? ForwardingTable[_globalTargetKey] : null;
if (HighlightingSingle ||
(_highlightedLink != null && _highlightedLink.OtherEnd(this).Equals(hop)))
{
return;
}
lock (HighlightLock) {
_highlightState = HighlghtState.HighlightingSingle;
if (_highlightedLink != null)
{
_highlightedLink.Colour = _globalHighlightColour;
_highlightedLink.OtherEnd(this).Highlight(this);
}
}
}
/* komutacja, wejście to dane węzła źródłowego */
public void Commutation(Cell cell)
{
cloud.Log.Queue.Enqueue("COMMUTATION (entry): " + cell.nodeID + " " + cell.portID);
HalfEntryForwarding source = new HalfEntryForwarding(cell.nodeID, cell.portID);
cloud.Log.Queue.Enqueue("Matrix {src}: " + "node=" + cell.nodeID + " port=" + cell.portID);
if (fTable.ContainsKey(source))
{
HalfEntryForwarding target = fTable[source]; // znalezienie węzła docelowego w tablicy
cell.nodeID = target.ID;
cell.portID = target.Port;
/* informacja o danych na wyjście */
cloud.Log.Queue.Enqueue("Matrix {dest}: " + "node=" + cell.nodeID + " port=" + cell.portID);
cloud.output.Send(cell);
cloud.Log.Queue.Enqueue("Commutate to (node=" + cell.nodeID + " port=" + cell.portID + " VPI= " + cell.VPI + " VCI=" + cell.VCI + "): " + Encoding.UTF8.GetString(cell.Data));
}
}