#include <SingleHostUnderlayConfigurator.h>

Inheritance diagram for SingleHostUnderlayConfigurator:

Protected Member Functions
void	initializeUnderlay (int stage)
	Init method for derived underlay configurators.
void	finishUnderlay ()
	Cleans up concrete underlay configurator.
void	setDisplayString ()
	Sets display string.
void	handleTimerEvent (cMessage *msg)
TransportAddress *	createNode (NodeType type, bool initialize)
	Creates an overlay node.
void	preKillNode (NodeType type, TransportAddress *addr=NULL)
	Notifies and schedules overlay nodes for removal.
void	migrateNode (NodeType type, TransportAddress *addr=NULL)
	Migrates overlay nodes from one access net to another.
Protected Member Functions inherited from UnderlayConfigurator
int	numInitStages () const
	OMNeT number of init stages.
virtual void	initialize (int stage)
	OMNeT init methods.
void	finish ()
	Cleans up configurator.
void	handleMessage (cMessage *msg)
	Node mobility simulation.

Additional Inherited Members
Public Member Functions inherited from UnderlayConfigurator
	UnderlayConfigurator ()
virtual	~UnderlayConfigurator ()
bool	isInInitPhase ()
	still in initialization phase?
bool	isSimulationEndingSoon ()
	Is the simulation ending soon?
simtime_t	getGracefulLeaveDelay ()
	Return the gracefulLeaveDelay.
bool	isTransitionTimeFinished ()
void	initFinished ()
ChurnGenerator *	getChurnGenerator (int typeID)
uint8_t	getChurnGeneratorNum ()
int	getOverlayTerminalCount ()
Protected Attributes inherited from UnderlayConfigurator
int	overlayTerminalCount
	current number of overlay terminals
int	firstNodeId
	the Id of the overlayTerminal created first in the overlay
simtime_t	gracefulLeaveDelay
	delay until scheduled node is removed from overlay
double	gracefulLeaveProbability
	probability that node is notified befor removal
GlobalNodeList *	globalNodeList
	pointer to GlobalNodeList
GlobalStatistics *	globalStatistics
	pointer to GlobalStatistics
std::vector< ChurnGenerator * >	churnGenerator
	pointer to the ChurnGenerators
cMessage *	endSimulationTimer
	timer to signal end of simulation
cMessage *	endSimulationNotificationTimer
	timer to notify nodes that simulation ends soon
cMessage *	endTransitionTimer
	timer to signal end of transition time
struct timeval	initFinishedTime
	timestamp at end of init phase
struct timeval	initStartTime
	timestamp at begin of init phase
simtime_t	transitionTime
	time to wait before measuring after init phase is finished
simtime_t	measurementTime
	duration of the simulation after init and transition phase
Static Protected Attributes inherited from UnderlayConfigurator
static const int	NUM_COLORS = 8
static const char *	colorNames []

Detailed Description

Definition at line 36 of file SingleHostUnderlayConfigurator.h.

Member Function Documentation

TransportAddress* SingleHostUnderlayConfigurator::createNode	(	NodeType	type,
		bool	initialize
	)

inlineprotectedvirtual

Creates an overlay node.

Parameters

type	NodeType of the node to create
initialize	are we in init phase?

Implements UnderlayConfigurator.

Definition at line 46 of file SingleHostUnderlayConfigurator.h.

{error("createNode can't be used with singleHostUnderlay!"); return NULL;}

void SingleHostUnderlayConfigurator::finishUnderlay ( )

protectedvirtual

Cleans up concrete underlay configurator.

Reimplemented from UnderlayConfigurator.

Definition at line 157 of file SingleHostUnderlayConfigurator.cc.

{
    if (!isInInitPhase()) {
        struct timeval now, diff;
        gettimeofday(&now, NULL);
        timersub(&now, &initFinishedTime, &diff);
        printf("Simulation time: %li.%06li\n", diff.tv_sec, diff.tv_usec);
    }
}

void SingleHostUnderlayConfigurator::handleTimerEvent ( cMessage * msg )

protectedvirtual

Reimplemented from UnderlayConfigurator.

Definition at line 139 of file SingleHostUnderlayConfigurator.cc.

{
    if (std::string(msg->getName()) != "init phase finished") {
        throw cRuntimeError("unknown self-message received");
    }
    delete msg;
    initFinished();
}

void SingleHostUnderlayConfigurator::initializeUnderlay ( int stage )

protectedvirtual

Init method for derived underlay configurators.

Implements UnderlayConfigurator.

Definition at line 54 of file SingleHostUnderlayConfigurator.cc.

{
    IPvXAddress addr;
    if(stage != MAX_STAGE_UNDERLAY)
        return;
    overlayTerminalCount = 1;
    // Set IP, Routes, etc
    cModule* node = getParentModule()->getSubmodule("overlayTerminal", 0);
    std::string nodeInterface = std::string(par("nodeInterface").stringValue());
    std::string stunServer = std::string(par("stunServer").stringValue());
    std::string nodeIP = std::string(par("nodeIP").stringValue());
    if (!nodeInterface.size() && !stunServer.size() && !nodeIP.size()) {
        throw cRuntimeError("SingleHostConfigurator::initializeUnderlay(): "
                            "Please specify at least one of "
                            "**.nodeInterface, **.nodeIP, or **.stunServer");
    }
    if (nodeInterface.size()) {
#ifndef _WIN32
        SOCKET sock_fd;
        struct ifreq req;
        if ((sock_fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) !=
            INVALID_SOCKET) {
            snprintf(req.ifr_name, sizeof(req.ifr_name), "%s", nodeInterface.c_str());
            if (!ioctl(sock_fd, SIOCGIFADDR, &req)) {
                addr = IPAddress(inet_ntoa(((struct sockaddr_in *)
                        (&req.ifr_addr))->sin_addr));
            } else {
                throw cRuntimeError("SingleHostConfigurator::"
                                        "initializeUnderlay(): "
                                        "Invalid interface!");
            }
            close(sock_fd);
        }
#else
        throw cRuntimeError("SingleHostConfigurator::"
                "initializeUnderlay(): "
                "**.nodeInterface parameter not supported on WIN32 yet!");
#endif
    } else if (nodeIP.size()) {
        addr = IPAddress(nodeIP.c_str());
    }
    IPvXAddress gw = addr;
    InterfaceEntry* ifEntry = IPAddressResolver().interfaceTableOf(node)->
            getInterfaceByName("outDev");
    IRoutingTable* rTable = check_and_cast<IRoutingTable*>(node->getSubmodule("routingTable", 0));
    ifEntry->ipv4Data()->setIPAddress(addr.get4());
    ifEntry->ipv4Data()->setNetmask(IPAddress::ALLONES_ADDRESS);
    IPRoute* te = new IPRoute();
    te->setHost(IPAddress::UNSPECIFIED_ADDRESS);
    te->setNetmask(IPAddress::UNSPECIFIED_ADDRESS);
    te->setGateway(gw.get4());
    te->setInterface(ifEntry);
    te->setType(IPRoute::REMOTE);
    te->setSource(IPRoute::MANUAL);
    rTable->addRoute(te);
    //add node to bootstrap oracle
    PeerInfo* info = new PeerInfo(0, node->getId(), NULL);
    globalNodeList->addPeer(addr, info);
    if (strlen(par("bootstrapIP")) > 0) {
        PeerInfo* bootstrapInfo = new PeerInfo(0, -1, NULL);
        globalNodeList->addPeer(IPAddress(par("bootstrapIP").stringValue()),
                                bootstrapInfo);
        globalNodeList->registerPeer(NodeHandle(OverlayKey::ONE,
            IPAddress(par("bootstrapIP").stringValue()), par("bootstrapPort")));
    }
    // update display
    setDisplayString();
    scheduleAt(simTime(), new cMessage("init phase finished"));
}

void SingleHostUnderlayConfigurator::migrateNode	(	NodeType	type,
		TransportAddress *	addr = `NULL`
	)

inlineprotectedvirtual

Migrates overlay nodes from one access net to another.

Parameters

type	NodeType of the node to migrate
addr	NULL for random node

Implements UnderlayConfigurator.

Definition at line 48 of file SingleHostUnderlayConfigurator.h.

{error("migrateNode can't be used with singleHostUnderlay!");}

void SingleHostUnderlayConfigurator::preKillNode	(	NodeType	type,
		TransportAddress *	addr = `NULL`
	)

inlineprotectedvirtual

Notifies and schedules overlay nodes for removal.

Parameters

type	NodeType of the node to remove
addr	NULL for random node

Implements UnderlayConfigurator.

Definition at line 47 of file SingleHostUnderlayConfigurator.h.

{error("preKillNode can't be used with singleHostUnderlay!");}

void SingleHostUnderlayConfigurator::setDisplayString ( )

protectedvirtual

Sets display string.

Implements UnderlayConfigurator.

Definition at line 149 of file SingleHostUnderlayConfigurator.cc.

Referenced by initializeUnderlay().

{
    // updates the statistics display string
    char buf[80];
    sprintf(buf, "%i overlay terminals", overlayTerminalCount);
    getDisplayString().setTagArg("t", 0, buf);
}

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

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation