TopologyVis Class Reference

#include <TopologyVis.h>

Inheritance diagram for TopologyVis:

Public Member Functions
	TopologyVis ()
void	showOverlayNeighborArrow (const NodeHandle &neighbor, bool flush=true, const char *displayString=NULL)
	Draws an arrow from this node to neighbor.
void	deleteOverlayNeighborArrow (const NodeHandle &neighbor)
	Removes an arrow from this node to neighbor.

Protected Member Functions
void	initVis (cModule *terminal)

Protected Attributes
cModule *	thisTerminal
GlobalNodeList *	globalNodeList
	pointer to corresponding node

Private Member Functions
void	compactGateArray (cModule *terminal, enum VisDrawDirection dir)
	compacts arrow gate-array

Detailed Description

Definition at line 37 of file TopologyVis.h.

Constructor & Destructor Documentation

TopologyVis::TopologyVis

(

)

Definition at line 33 of file TopologyVis.cc.

{
    thisTerminal = NULL;
    globalNodeList = NULL;
}

Member Function Documentation

void TopologyVis::compactGateArray ( cModule *  terminal, enum VisDrawDirection  dir  )

private

compacts arrow gate-array

Parameters

terminal	node
dir	in- or out-array?

Definition at line 180 of file TopologyVis.cc.

Referenced by deleteOverlayNeighborArrow(), and showOverlayNeighborArrow().

{
    const char* gateName = (dir == VIS_OUT ? "overlayNeighborArrowOut"
                                         : "overlayNeighborArrowIn");

    for (int j = 0; j < terminal->gateSize(gateName) - 1; j++) {
        if (terminal->gate(gateName, j)->isConnectedOutside())
            continue;

        cGate* tempGate = NULL;
        int k = 1;
        while ((tempGate == NULL) && ((j + k) != terminal->gateSize(gateName))) {
            tempGate = (dir == VIS_OUT ?
                        terminal->gate(gateName, j + k)->getNextGate() :
                        terminal->gate(gateName, j + k)->getPreviousGate());
            k++;
        }

        if (tempGate == NULL)
            break;

        cDisplayString tempDisplayStr;
        if (dir == VIS_OUT) {
            tempDisplayStr = terminal->gate(gateName, j + k - 1)->getDisplayString();
            terminal->gate(gateName, j + k - 1)->disconnect();
            terminal->gate(gateName, j)->connectTo(tempGate);
            terminal->gate(gateName, j)->setDisplayString(tempDisplayStr.str());
        } else {
            tempDisplayStr = tempGate->getDisplayString();
            tempGate->disconnect();
            tempGate->connectTo(terminal->gate(gateName, j));
            tempGate->setDisplayString(tempDisplayStr.str());
        }
    }

    int nullGates = 0;
    for (int j = 0; j < terminal->gateSize(gateName); j++)
        if (!terminal->gate(gateName, j)->isConnectedOutside())
            nullGates++;

    terminal->setGateSize(gateName, terminal->gateSize(gateName) - nullGates);
}

void TopologyVis::deleteOverlayNeighborArrow

(

const NodeHandle &

neighbor

)

Removes an arrow from this node to neighbor.

Parameters

neighbor

neighbor to remove arrow to

Todo:

add neighbor's kind to distinguish arrows pointing to the same neighbor

Definition at line 138 of file TopologyVis.cc.

Referenced by oversim::Nice::cleanPeers(), oversim::Nice::ClusterMerge(), oversim::Nice::ClusterMergeRequest(), oversim::Nice::ClusterSplit(), oversim::Nice::gracefulLeave(), Kademlia::handleFailedNode(), oversim::Nice::handleNiceClusterMergeRequest(), oversim::Nice::handleNiceLeaderHeartbeat(), oversim::Nice::handleNiceLeaderTransfer(), oversim::Nice::handleNicePeerTemporaryRelease(), oversim::Nice::handleNiceRemove(), TreeManagement::handleRpcTimeout(), oversim::Nice::initializeOverlay(), oversim::Nice::maintenance(), Gia::removeNeighbor(), TreeManagement::removeParentConnection(), Kademlia::routingAdd(), and Kademlia::routingTimeout().

{
    if (!ev.isGUI() || !thisTerminal)
        return;

    PeerInfo* peerInfo = globalNodeList->getPeerInfo(neighbor);
    if (peerInfo == NULL) {
        return;
    }

    cModule* neighborTerminal = simulation.getModule(peerInfo->getModuleID());
    if (neighborTerminal == NULL) {
        return;
    }

    //find gate
    bool compactOut = false;
    bool compactIn = false;
    for (int i = 0; i < thisTerminal->gateSize("overlayNeighborArrowOut"); i++) {
        // NULL-Gate?
        if (thisTerminal->gate("overlayNeighborArrowOut", i)
                ->getNextGate() == NULL) {
            compactOut = true;
            continue;
        }

        if (thisTerminal->gate("overlayNeighborArrowOut", i)
                ->getNextGate()->getOwnerModule()->getId() == neighborTerminal->getId()) {
            thisTerminal->gate("overlayNeighborArrowOut", i)->disconnect();
            compactOut = true;
            compactIn = true;
        }
    }

    //compact OUT-array
    if (compactOut)
        compactGateArray(thisTerminal, VIS_OUT);
    //compact IN-array
    if (compactIn)
        compactGateArray(neighborTerminal, VIS_IN);
}

void TopologyVis::initVis ( cModule *  terminal )

protected

Definition at line 39 of file TopologyVis.cc.

{
    thisTerminal = terminal;
    globalNodeList = GlobalNodeListAccess().get();

    // set up arrow-gates
//    thisOutGateArray = thisTerminal->gate("overlayNeighborArrowOut");
//    thisInGateArray = thisTerminal->gate("overlayNeighborArrowIn");
    thisTerminal->setGateSize("overlayNeighborArrowOut", 1);
    thisTerminal->setGateSize("overlayNeighborArrowIn", 1);

}

void TopologyVis::showOverlayNeighborArrow	(	const NodeHandle &	neighbor,
		bool	flush = true,
		const char *	displayString = NULL
	)

Draws an arrow from this node to neighbor.

Parameters

neighbor	neighbor to point to
flush	delete all previous drawn arrows starting at this node?
displayString	display string to define the arrow drawing style

Todo:

add neighbor's kind to distinguish arrows pointing to the same neighbor

Definition at line 52 of file TopologyVis.cc.

Referenced by Gia::addNeighbor(), Gia::changeState(), oversim::Nice::handleNiceClusterMergeRequest(), oversim::Nice::handleNiceJoinCluster(), oversim::Nice::handleNiceLeaderTransfer(), TreeManagement::handleParentRequestRpcResponse(), Kademlia::refillSiblingTable(), Kademlia::routingAdd(), BasePastry::updateTooltip(), and oversim::Nice::updateVisualization().

{
    if (!ev.isGUI() || !thisTerminal)
        return;

    char red[] = "ls=red,1";

    if (displayString == NULL)
        displayString = red;

    cModule* neighborTerminal;

    // flush
    if (flush) {
        for (int l = 0; l < thisTerminal->gateSize("overlayNeighborArrowOut"); l++) {
            cGate* tempGate =
                thisTerminal->gate("overlayNeighborArrowOut", l)->getNextGate();

            thisTerminal->gate("overlayNeighborArrowOut", l)->disconnect();
            if (tempGate != NULL)
                compactGateArray(tempGate->getOwnerModule(), VIS_IN);
        }
        thisTerminal->setGateSize("overlayNeighborArrowOut" ,0);
    }

    if (globalNodeList->getPeerInfo(neighbor) == NULL)
        return;

    neighborTerminal = simulation.getModule(globalNodeList->
            getPeerInfo(neighbor)->getModuleID());

    if (neighborTerminal == NULL)
        return;

    if (thisTerminal == neighborTerminal)
        return;

    //do not draw double
    for (int i = 0; i < thisTerminal->gateSize("overlayNeighborArrowOut"); i++)
        if (thisTerminal->gate("overlayNeighborArrowOut", i)
                ->getNextGate() != NULL &&
                neighborTerminal == thisTerminal
                    ->gate("overlayNeighborArrowOut", i)
                    ->getNextGate()->getOwnerModule())
            return;

    // IN
    int i = 0;
    if (neighborTerminal->gateSize("overlayNeighborArrowIn") == 0) {
        neighborTerminal->setGateSize("overlayNeighborArrowIn", 1);
    } else {
        for (i = 0; i < neighborTerminal->gateSize("overlayNeighborArrowIn") - 1; i++) {
            if (!(neighborTerminal->gate("overlayNeighborArrowIn", i)
                    ->isConnectedOutside()))
                break;
        }
        if (neighborTerminal->gate("overlayNeighborArrowIn", i)
                ->isConnectedOutside()) {
            neighborTerminal->setGateSize("overlayNeighborArrowIn", i + 2);
            i++;
        }
    }

    // OUT
    int j = 0;
    if (thisTerminal->gateSize("overlayNeighborArrowOut") == 0)
        thisTerminal->setGateSize("overlayNeighborArrowOut", 1);
    else {
        for (j = 0; j < (thisTerminal->gateSize("overlayNeighborArrowOut") - 1); j++) {
            if (!(thisTerminal->gate("overlayNeighborArrowOut", j)
                    ->isConnectedOutside()))
                break;
        }
        if (thisTerminal->gate("overlayNeighborArrowOut", j)
                ->isConnectedOutside()) {
            thisTerminal->setGateSize("overlayNeighborArrowOut", j + 2);
            j++;
        }
    }

    thisTerminal->gate("overlayNeighborArrowOut", j)->connectTo(neighborTerminal->gate("overlayNeighborArrowIn", i));

    thisTerminal->gate("overlayNeighborArrowOut", j)->setDisplayString(displayString);
}

Member Data Documentation

GlobalNodeList* TopologyVis::globalNodeList

protected

pointer to corresponding node

Definition at line 45 of file TopologyVis.h.

Referenced by deleteOverlayNeighborArrow(), initVis(), showOverlayNeighborArrow(), and TopologyVis().

cModule* TopologyVis::thisTerminal

protected

Definition at line 44 of file TopologyVis.h.

Referenced by deleteOverlayNeighborArrow(), initVis(), showOverlayNeighborArrow(), and TopologyVis().

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The documentation for this class was generated from the following files:

• TopologyVis.h
• TopologyVis.cc