Stp Class Reference

#include <stp.h>

List of all members.

Public Member Functions
bool	learning (unsigned int, unsigned int)
bool	forwarding (unsigned int, unsigned int)
void	dispatchALL ()
void	dispatch (unsigned int)
int	getInstanceIndex (unsigned int)
void	setBridgePriority (unsigned int, unsigned int)
void	setPortPriority (unsigned int, std::vector< unsigned int > &, std::vector< unsigned int > &)
void	setLinkCost (unsigned int, std::vector< unsigned int > &, std::vector< unsigned int > &)
void	setForwardDelay (unsigned int, unsigned int)
void	setMaxAge (unsigned int, unsigned int)
void	setHelloTime (unsigned int, unsigned int)
Protected Member Functions
virtual void	initialize (int stage)
virtual int	numInitStages () const
virtual void	handleMessage (cMessage *msg)
virtual void	finish ()
void	handleSelfMessage (cMessage *msg)
void	handleBPDU (STPBPDU *bpdu)
void	handleTCN (STPTCN *tcn)
void	setPortPriority (unsigned int, unsigned int, unsigned int)
void	setLinkCost (unsigned int, unsigned int, unsigned int)
Protected Attributes
unsigned int	portCount
MACAddress	bridgeAddress
std::vector< unsigned int >	instReg
std::vector< stpi >	inst
cMessage *	tick
MACTable *	addrTable

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Detailed Description

Definition at line 30 of file stp.h.

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Member Function Documentation

void Stp::dispatch

(

unsigned int

idx

)

Definition at line 49 of file stp.cc.

Referenced by dispatchALL(), handleBPDU(), and handleTCN().

                                   {
        for (unsigned int i = 0; i < inst.at(idx).msgList.size(); i++) {
                send(inst.at(idx).msgList.at(i).msg, "out", inst.at(idx).msgList.at(i).port);
        }
        inst.at(idx).msgList.clear();
}

void Stp::dispatchALL

(

)

Definition at line 43 of file stp.cc.

Referenced by handleSelfMessage().

                      {
        for (unsigned int i = 0; i < inst.size(); i++) {
                dispatch(i);
        }
}

void Stp::finish

(

)

[protected, virtual]

Definition at line 217 of file stp.cc.

                 {
        cancelAndDelete(tick);
}

bool Stp::forwarding	(	unsigned int	port,
		unsigned int	vlan
	)

Definition at line 33 of file stp.cc.

Referenced by ANSASwitchCore::dispatch(), and ANSASwitchCore::relay().

                                                         {
        Enter_Method_Silent();
        for (unsigned int i = 0; i < instReg.size(); i++) {
                if (instReg.at(i) == vlan) {
                        return inst.at(i).forwarding(port);
                }
        }
        return false;
}

int Stp::getInstanceIndex

(

unsigned int

_inst

)

Definition at line 57 of file stp.cc.

Referenced by setBridgePriority(), setForwardDelay(), setHelloTime(), setLinkCost(), setMaxAge(), and setPortPriority().

                                            {
        for (unsigned int i = 0; i < instReg.size(); i++) {
                        if (instReg.at(i) == _inst) {
                                return i;
                        }
                }
        return -1;
}

void Stp::handleBPDU

(

STPBPDU *

bpdu

)

[protected]

Definition at line 233 of file stp.cc.

Referenced by handleMessage().

                                   {
        unsigned int _vlan = bpdu->getVlan();

        for (unsigned int i = 0; i < instReg.size(); i++) {
                if (instReg.at(i) == _vlan) {
                        inst.at(i).handleBPDU(bpdu);
                        dispatch(i);
                        return;
                }
        }
        delete bpdu;

}

void Stp::handleMessage

(

cMessage *

msg

)

[protected, virtual]

Definition at line 196 of file stp.cc.

{
        cMessage * tmp = msg;

        if (!msg->isSelfMessage()) {
                if (dynamic_cast<STPBPDU *>(tmp)){ // Configuration BPDU
                        STPBPDU * bpdu = (STPBPDU *) tmp;
                        handleBPDU(bpdu);
                } else if (dynamic_cast<STPTCN *>(tmp)){ // Topology Change Notification
                        STPTCN * tcn = (STPTCN *) tmp;
                        handleTCN(tcn);
                } else { // Rubbish
                        delete msg;
                }
        } else {
                handleSelfMessage(msg);
        }


}

void Stp::handleSelfMessage

(

cMessage *

msg

)

[protected]

Definition at line 221 of file stp.cc.

Referenced by handleMessage().

                                          {
        if (msg == tick) {
                for (unsigned int i = 0; i < inst.size(); i++) {
                        inst.at(i).handleTick();
                }
                scheduleAt(simTime()+1, tick);
        } else {
                delete msg;
        }
        dispatchALL();
}

void Stp::handleTCN

(

STPTCN *

tcn

)

[protected]

Definition at line 247 of file stp.cc.

Referenced by handleMessage().

                                {
        unsigned int _vlan = tcn->getVlan();

        for (unsigned int i = 0; i < instReg.size(); i++) {
                if (instReg.at(i) == _vlan) {
                        inst.at(i).handleTCN(tcn);
                        dispatch(i);
                        return;
                }
        }
        delete tcn;
}

void Stp::initialize

(

int

stage

)

[protected, virtual]

Definition at line 145 of file stp.cc.

{
        if (stage == 0) {

                portCount = gateSize("out");

                tick = new cMessage("STP_TICK", 0);

                /* connection to MAC Table for faster aging */
                cModule * tmp_macTable = getParentModule()->getSubmodule("MACTable");
                addrTable = check_and_cast<MACTable *>(tmp_macTable);

                WATCH(bridgeAddress);
        }
        else if (stage == 1) {
                /* obtain a Bridge Address from Core and initialize instances*/
                cModule * tmp_core = getParentModule()->getSubmodule("core");
                ANSASwitchCore * core = check_and_cast<ANSASwitchCore *>(tmp_core);
                bridgeAddress = core->getBridgeAddress();

                /* obtain a VLAN list for STP instances creation */
                cModule * tmp_vlantable = getParentModule()->getSubmodule("VLANTable");
                VLANTable * vlantable = check_and_cast<VLANTable *>(tmp_vlantable);
                instReg = vlantable->getVLANList();


                /* call init on all instances */
                for (unsigned int i = 0; i < instReg.size(); i++) {
                        stpi tmp(instReg.at(i), portCount, bridgeAddress, addrTable);
                        inst.push_back(tmp);
                }

                const char *filename = par("configFile");
                const char *switchID = par("switchID");

                if (*filename == '\0' || *switchID == '\0') {
                        EV << "Warning: " << this->getParentModule()->getName() << ": Could not config, config filename or switchID is not set, using Default." << std::endl;
                } else {
                        stpXMLparser config(this);
                        config.parse(filename, switchID);
                }



                WATCH_VECTOR(inst);
                WATCH_VECTOR(instReg);

                scheduleAt(simTime()+1, tick);
        }
}

bool Stp::learning	(	unsigned int	port,
		unsigned int	vlan
	)

Definition at line 23 of file stp.cc.

Referenced by ANSASwitchCore::learn().

                                                       {
        Enter_Method_Silent();
        for (unsigned int i = 0; i < instReg.size(); i++) {
                if (instReg.at(i) == vlan) {
                        return inst.at(i).learning(port);
                }
        }
        return false;
}

virtual int Stp::numInitStages

(

)

const [inline, protected, virtual]

Definition at line 56 of file stp.h.

{return 2;}

void Stp::setBridgePriority	(	unsigned int	_inst,
		unsigned int	_bridgePriority
	)

Definition at line 66 of file stp.cc.

Referenced by stpXMLparser::parseSTP().

                                                                            {
        int idx = getInstanceIndex(_inst);
        if (idx == -1) {
                return;
        }

        inst.at(idx).bridgePriority = _bridgePriority;

}

void Stp::setForwardDelay	(	unsigned int	_inst,
		unsigned int	_fwdDelay
	)

Definition at line 117 of file stp.cc.

Referenced by stpXMLparser::parseSTP().

                                                                    {
        int idx = getInstanceIndex(_inst);
        if (idx == -1) {
                return;
        }
        inst.at(idx).fwdDelay = _fwdDelay;

}

void Stp::setHelloTime	(	unsigned int	_inst,
		unsigned int	_helloTime
	)

Definition at line 134 of file stp.cc.

Referenced by stpXMLparser::parseSTP().

                                                                 {
        int idx = getInstanceIndex(_inst);
        if (idx == -1) {
                return;
        }
        inst.at(idx).helloTime = _helloTime;
}

void Stp::setLinkCost	(	unsigned int	_inst,
		std::vector< unsigned int > &	_portList,
		std::vector< unsigned int > &	_costList
	)

Definition at line 101 of file stp.cc.

                                                                                                                {
        int idx = getInstanceIndex(_inst);
        if (idx == -1) {
                return;
        }

        if (_portList.size() != _costList.size()) {
                return;
        }

        for (unsigned int i = 0; i < _portList.size(); i++) {
                setLinkCost(idx, _portList.at(i), _costList.at(i));
        }

}

void Stp::setLinkCost	(	unsigned int	_idx,
		unsigned int	_port,
		unsigned int	_cost
	)		[protected]

Definition at line 80 of file stp.cc.

                                                                               {
        inst.at(_idx).portTable.at(_port).linkCost = _cost;
}

void Stp::setMaxAge	(	unsigned int	_inst,
		unsigned int	_maxAge
	)

Definition at line 126 of file stp.cc.

Referenced by stpXMLparser::parseSTP().

                                                            {
        int idx = getInstanceIndex(_inst);
        if (idx == -1) {
                return;
        }
        inst.at(idx).maxAge = _maxAge;
}

void Stp::setPortPriority	(	unsigned int	_inst,
		std::vector< unsigned int > &	_portList,
		std::vector< unsigned int > &	_priList
	)

Definition at line 85 of file stp.cc.

Referenced by stpXMLparser::parseSTP().

                                                                                                                   {
        int idx = getInstanceIndex(_inst);
        if (idx == -1) {
                return;
        }

        if (_portList.size() != _priList.size()) {
                return;
        }

        for (unsigned int i = 0; i < _portList.size(); i++) {
                setPortPriority(idx, _portList.at(i), _priList.at(i));
        }

}

void Stp::setPortPriority	(	unsigned int	_idx,
		unsigned int	_port,
		unsigned int	_priority
	)		[protected]

Definition at line 77 of file stp.cc.

                                                                                       {
        inst.at(_idx).portTable.at(_port).priority = _priority;
}

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Member Data Documentation

MACTable* Stp::addrTable [protected]

Definition at line 77 of file stp.h.

Referenced by initialize().

MACAddress Stp::bridgeAddress [protected]

Definition at line 68 of file stp.h.

Referenced by initialize().

std::vector<stpi> Stp::inst [protected]

Definition at line 72 of file stp.h.

Referenced by dispatch(), dispatchALL(), forwarding(), handleBPDU(), handleSelfMessage(), handleTCN(), initialize(), learning(), setBridgePriority(), setForwardDelay(), setHelloTime(), setLinkCost(), setMaxAge(), and setPortPriority().

std::vector<unsigned int> Stp::instReg [protected]

Definition at line 71 of file stp.h.

Referenced by forwarding(), getInstanceIndex(), handleBPDU(), handleTCN(), initialize(), and learning().

unsigned int Stp::portCount [protected]

Definition at line 67 of file stp.h.

Referenced by initialize().

cMessage* Stp::tick [protected]

Definition at line 75 of file stp.h.

Referenced by finish(), handleSelfMessage(), and initialize().

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

• stp.h
• stp.cc