Inheritance diagram for I3Triggers:

Classes
struct	Client

Public Member Functions
void	initializeApp (int stage)
	App initialization - should be overwritten by application.
void	initializeI3 ()
	Application I3 initialize - should be overwritten by application.
void	deliver (I3Trigger &trigger, I3IdentifierStack &stack, cPacket *msg)
	Delivers packets coming from I3 - should be overwritten by application.
void	handleTimerEvent (cMessage *msg)
	Handles timers - should be overwritten by application.
void	createMessage ()
Public Member Functions inherited from I3BaseApp
	I3BaseApp ()
	Constructor.
	~I3BaseApp ()
	Destructor.

Public Attributes
int	myIndex
I3Identifier	myIdentifier
map< I3Identifier, Client >	clients
I3Identifier	publicIdentifier
I3Identifier	privateIdentifier
cMessage *	handShakeTimer
cMessage *	sendPacketTimer

Static Private Attributes
static int	index = 0

Additional Inherited Members
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.
void	bootstrapI3 ()
	Internal I3 bootstrap - connects to I3, inserts sampling triggers and initializes timers.
virtual void	handleUDPMessage (cMessage *msg)
	Handles messages incoming from UDP gate.
void	handleMessage (cMessage *msg)
	Handles incoming messages.
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 28 of file I3Triggers.cc.

Member Function Documentation

void I3Triggers::createMessage ( )

void I3Triggers::deliver	(	I3Trigger &	trigger,
		I3IdentifierStack &	stack,
		cPacket *	msg
	)

virtual

Delivers packets coming from I3 - should be overwritten by application.

Parameters

trigger	Application trigger to which the packet was sent
stack	Identifier stack passed from I3
msg	Arriving message

Reimplemented from I3BaseApp.

Definition at line 117 of file I3Triggers.cc.

{
    TriggersHandshakeMsg *hmsg = dynamic_cast<TriggersHandshakeMsg*>(msg);
    TriggersMsg *tmsg = NULL;
    if (!hmsg) tmsg = dynamic_cast<TriggersMsg*>(msg);
    if (myIndex == 0) {
        // act as server
        if (hmsg) {
            getParentModule()->bubble("Got handshake!");
            // this is a handshake message
            TriggersHandshakeMsg *newMsg = new TriggersHandshakeMsg();
            // create a new private trigger
            I3Identifier privateId;
            privateId.createRandomKey();
            // insert it into i3
            insertTrigger(privateId);
            // store the client's value
            Client client;
            client.clientId = hmsg->getTriggerId();
            client.privateId = privateId;
            client.sentValue = hmsg->getValue();
            clients[privateId] = client;
            // notify the client back
            newMsg->setValue(0);
            newMsg->setTriggerId(privateId);
            sendPacket(hmsg->getTriggerId(), newMsg);
        } else if (tmsg) {
            getParentModule()->bubble("Got normal message!");
            // this is a normal message. just reply with sent value
            TriggersMsg *newMsg = new TriggersMsg();
            Client &client = clients[matchingTrigger.getIdentifier()];
            newMsg->setValue(client.sentValue);
            sendPacket(client.clientId, newMsg);
        }
    } else {
        //act as client
        if (hmsg) {
            getParentModule()->bubble("Finished handshaking!");
            // store the private trigger
            privateIdentifier = hmsg->getTriggerId();
            WATCH(privateIdentifier);
        } else {
            // check if the value is valid
            if (tmsg->getValue() == myIndex) {
                getParentModule()->bubble("Got packet - Got my id!");
            } else {
                getParentModule()->bubble("Got packet - Got an unknown id");
            }
        }
    }
}

void I3Triggers::handleTimerEvent ( cMessage * msg )

virtual

Handles timers - should be overwritten by application.

Parameters

msg	Timer to be handled

Reimplemented from I3BaseApp.

Definition at line 87 of file I3Triggers.cc.

{
    if (myIndex != 0) {
        if (msg == handShakeTimer) {
            // start handshake
            TriggersHandshakeMsg *msg = new TriggersHandshakeMsg();
            msg->setValue(myIndex);
            msg->setTriggerId(myIdentifier);
            sendPacket(publicIdentifier, msg);
            getParentModule()->bubble("Started handshake");
        } else if (msg == sendPacketTimer) {
            //send a packet
            TriggersMsg *msg = new TriggersMsg();
            msg->setValue(0);
            sendPacket(privateIdentifier, msg);
            // reset timer
            sendPacketTimer = new cMessage("packet timer");
            scheduleAt(simTime() + 5, sendPacketTimer);
            getParentModule()->bubble("Sending packet");
        }
    }
    delete msg;
}

void I3Triggers::initializeApp ( int stage )

virtual

App initialization - should be overwritten by application.

I3 related commands should go in initializeI3.

Parameters

stage Initialization stage passed from initialize()

Reimplemented from I3BaseApp.

Definition at line 62 of file I3Triggers.cc.

{
    myIndex = index++;
    WATCH(myIndex);
    WATCH(myIdentifier);
}

void I3Triggers::initializeI3 ( )

virtual

Application I3 initialize - should be overwritten by application.

Reimplemented from I3BaseApp.

Definition at line 70 of file I3Triggers.cc.

                              {
    publicIdentifier.createFromHash("Triggers 0");
    ostringstream os;
    os << "Triggers " << myIndex;
    myIdentifier.createFromHash(os.str());
    insertTrigger(myIdentifier);
    // handshake timer must be set before the packet timer!
    handShakeTimer = new cMessage("handshake timer");
    scheduleAt(simTime() + 5, handShakeTimer);
    sendPacketTimer = new cMessage("packet timer");
    scheduleAt(simTime() + 10, sendPacketTimer);
}

Member Data Documentation

map<I3Identifier, Client> I3Triggers::clients

Definition at line 44 of file I3Triggers.cc.

cMessage* I3Triggers::handShakeTimer

Definition at line 50 of file I3Triggers.cc.

int I3Triggers::index = 0

staticprivate

Definition at line 31 of file I3Triggers.cc.

I3Identifier I3Triggers::myIdentifier

Definition at line 36 of file I3Triggers.cc.

int I3Triggers::myIndex

Definition at line 33 of file I3Triggers.cc.

I3Identifier I3Triggers::privateIdentifier

Definition at line 48 of file I3Triggers.cc.

I3Identifier I3Triggers::publicIdentifier

Definition at line 47 of file I3Triggers.cc.

cMessage* I3Triggers::sendPacketTimer

Definition at line 51 of file I3Triggers.cc.

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

I3Triggers.cc

Classes

Public Member Functions

Public Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

Member Data Documentation