Inheritance diagram for I3HostMobility:

Private Member Functions
void	initializeApp (int stage)
void	initializeI3 ()
void	handleTimerEvent (cMessage *msg)
void	handleUDPMessage (cMessage *msg)
void	deliver (I3Trigger &trigger, I3IdentifierStack &stack, cPacket *msg)
void	doMobilityEvent (I3MobilityStage stage)
void	discoverPartners ()
void	finish ()

Private Attributes
bool	checkedPartners
int	numSentPackets
std::set< int >	packets
std::vector< I3Identifier >	partners
I3Identifier	poolId
I3Identifier	closestId

Additional Inherited Members
Public Member Functions inherited from I3BaseApp
	I3BaseApp ()
	Constructor.
	~I3BaseApp ()
	Destructor.
Protected Types inherited from I3BaseApp
enum	I3MobilityStage { I3_MOBILITY_BEFORE_UPDATE, I3_MOBILITY_UPDATED }
Protected Member Functions inherited from I3BaseApp
int	numInitStages () const
	Returns number of init stages required.
void	initialize (int stage)
	Basic initialization.
virtual void	initializeApp (int stage)
	App initialization - should be overwritten by application.
void	bootstrapI3 ()
	Internal I3 bootstrap - connects to I3, inserts sampling triggers and initializes timers.
virtual void	initializeI3 ()
	Application I3 initialize - should be overwritten by application.
virtual void	handleTimerEvent (cMessage *msg)
	Handles timers - should be overwritten by application.
virtual void	handleUDPMessage (cMessage *msg)
	Handles messages incoming from UDP gate.
void	handleMessage (cMessage *msg)
	Handles incoming messages.
virtual void	deliver (I3Trigger &trigger, I3IdentifierStack &stack, cPacket *msg)
	Delivers packets coming from I3 - should be overwritten by application.
void	sendToI3 (I3Message *msg)
	Sends a message to I3.
void	sendThroughUDP (cMessage *msg, const I3IPAddress &ip)
	Sends a message through UDP.
void	refreshTriggers ()
	Refreshes (reinserts) stored triggers.
void	refreshSamples ()
	Refreshes sampling triggers and selects fastest server as gateway.
I3Identifier	retrieveClosestIdentifier ()
void	sendPacket (const I3Identifier &id, cPacket *msg, bool useHint=false)
	Routes a packet through I3, passing an identifier stack composed of a single identifier.
void	sendPacket (const I3IdentifierStack &stack, cPacket *msg, bool useHint=false)
	Routes a packet through I3.
void	insertTrigger (const I3Identifier &identifier, bool store=true)
	Inserts a trigger into I3, composed by the given identifier and an identifier stack containing only this node's IP address.
void	insertTrigger (const I3Identifier &identifier, const I3IdentifierStack &stack, bool store=true)
	Inserts a trigger into I3 with the given identifier and identifier stack.
void	insertTrigger (const I3Trigger &t, bool store=true)
	Inserts the given trigger into I3.
void	removeTrigger (const I3Identifier &identifier)
	Removes all triggers from the list of inserted triggers whose identifiers equal the one given.
void	removeTrigger (const I3Trigger &trigger)
	Removes a trigger from I3.
std::set< I3Trigger > &	getInsertedTriggers ()
	Returns the list of inserted triggers.
void	receiveChangeNotification (int category, const cPolymorphic *details)
virtual void	doMobilityEvent (I3MobilityStage stage)
Protected Attributes inherited from I3BaseApp
int	numSent
	Number of sent messages.
int	sentBytes
int	numReceived
	Number of received messages.
int	receivedBytes
int	numIsolations
	Number of times this node has been isolated - i.e.
IPvXAddress	nodeIPAddress
	Cached IP address of this node.
std::set< I3Trigger >	insertedTriggers
	Stored I3 triggers sent from this node, to be refreshed automatically.
std::map< I3Identifier, I3CachedServer >	samplingCache
std::map< I3Identifier, I3CachedServer >	identifierCache
I3CachedServer	gateway
cMessage *	refreshTriggersTimer
int	refreshTriggersTime
cMessage *	refreshSamplesTimer
int	refreshSamplesTime
cMessage *	initializeTimer
cMessage *	bootstrapTimer

Detailed Description

Definition at line 45 of file I3HostMobility.cc.

Member Function Documentation

void I3HostMobility::deliver	(	I3Trigger &	trigger,
		I3IdentifierStack &	stack,
		cPacket *	msg
	)

private

Definition at line 102 of file I3HostMobility.cc.

{
    MessageContent *mc = (MessageContent*)msg->getContextPointer();
    switch (msg->getKind()) {
    case MSG_QUERY_ID:
    {
        I3Identifier otherId = mc->source;
        mc->source = closestId;
        msg->setKind(MSG_REPLY_ID);
        sendPacket(otherId, msg);
        break;
    }
    case MSG_REPLY_ID:
        partners.push_back(mc->source);
        delete mc;
        delete msg;
        break;
    case MSG_PING:
        msg->setKind(MSG_REPLY);
        sendPacket(mc->source, msg);
        break;
    case MSG_REPLY:
        packets.erase(mc->id);
        delete mc;
        delete msg;
        break;
    default:
        break;
    }
}

void I3HostMobility::discoverPartners ( )

private

Definition at line 175 of file I3HostMobility.cc.

{
    partners.clear();
    for (int i = 0; i < NUM_PARTNERS; i++) {
        cPacket *cmsg = new cPacket();
        MessageContent *mc = new MessageContent();
        I3Identifier partner;
        mc->source = closestId;
        mc->id = -1;
        cmsg->setContextPointer(mc);
        cmsg->setKind(MSG_QUERY_ID);
        partner.createFromHash("HostMobility");
        partner.createRandomSuffix();
        sendPacket(partner, cmsg);
    }
    checkedPartners = true;
}

void I3HostMobility::doMobilityEvent ( I3MobilityStage stage )

private

Definition at line 195 of file I3HostMobility.cc.

                                                          {
    if (stage == I3_MOBILITY_UPDATED) {
        cMessage *msg = new cMessage();
        msg->setKind(MSG_TIMER_RESET_ID);
        scheduleAt(simTime() + 10, msg);
    }
}

void I3HostMobility::finish ( )

private

Definition at line 73 of file I3HostMobility.cc.

                            {
    recordScalar("Number of sent packets", numSentPackets);
    recordScalar("Number of lost packets", packets.size());
}

void I3HostMobility::handleTimerEvent ( cMessage * msg )

private

Definition at line 133 of file I3HostMobility.cc.

                                                   {
    switch (msg->getKind()) {
    case MSG_TIMER:
        if (checkedPartners) {
            // partners.size() != NUM_PARTNERS in the unlikely event
            // that not all id queries have returned
            //if (partners.size() == 0) {
            //  opp_error("Wtf?!");
            //}
            for (unsigned int i = 0; i < partners.size(); i++) {
                cPacket *cmsg = new cPacket();
                MessageContent *mc = new MessageContent();
                packets.insert(numSentPackets);
                mc->id = numSentPackets++;
                mc->source = closestId;
                cmsg->setContextPointer(mc);
                cmsg->setKind(MSG_PING);
                cmsg->setBitLength((32 + intrand(512)) * 8);
                sendPacket(partners[i], cmsg, true);
            }
            scheduleAt(simTime() + truncnormal(0.5, 0.1), msg);
        } else {
            discoverPartners();
            scheduleAt(simTime() + 10, msg);
        }
        break;
    case MSG_TIMER_RESET_ID:
        closestId = retrieveClosestIdentifier();
        insertTrigger(closestId);
        delete msg;
        break;
    case MSG_TIMER_REDISCOVER:
        checkedPartners = false;
        scheduleAt(simTime() + 60, msg);
        break;
    default:
        break;
    }
}

void I3HostMobility::handleUDPMessage ( cMessage * msg )

private

Definition at line 98 of file I3HostMobility.cc.

                                                   {
    I3BaseApp::handleUDPMessage(msg);
}

void I3HostMobility::initializeApp ( int stage )

private

Definition at line 67 of file I3HostMobility.cc.

                                            {
    numSentPackets = 0;
    I3BaseApp::initializeApp(stage);
}

void I3HostMobility::initializeI3 ( )

private

Definition at line 78 of file I3HostMobility.cc.

                                  {
    checkedPartners = false;
    poolId.createFromHash("HostMobility");
    poolId.setName("HostMobility");
    poolId.createRandomSuffix();
    insertTrigger(poolId);
    closestId = retrieveClosestIdentifier();
    insertTrigger(closestId);
    cMessage *msg = new cMessage();
    msg->setKind(MSG_TIMER);
    scheduleAt(simTime() + 5, msg);
    cMessage *nmsg = new cMessage();
    msg->setKind(MSG_TIMER_REDISCOVER);
    scheduleAt(simTime() + 60, nmsg);
}

Member Data Documentation

bool I3HostMobility::checkedPartners

private

Definition at line 46 of file I3HostMobility.cc.

I3Identifier I3HostMobility::closestId

private

Definition at line 52 of file I3HostMobility.cc.

int I3HostMobility::numSentPackets

private

Definition at line 48 of file I3HostMobility.cc.

std::set<int> I3HostMobility::packets

private

Definition at line 49 of file I3HostMobility.cc.

std::vector<I3Identifier> I3HostMobility::partners

private

Definition at line 50 of file I3HostMobility.cc.

I3Identifier I3HostMobility::poolId

private

Definition at line 51 of file I3HostMobility.cc.

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

I3HostMobility.cc

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

Member Data Documentation