inet::sctp::SctpNatTable Class Reference

#include <SctpNatTable.h>

Inheritance diagram for inet::sctp::SctpNatTable:

Public Types
typedef std::vector< SctpNatEntry * >	SctpNatEntryTable

Public Member Functions
	SctpNatTable ()
	~SctpNatTable ()
SctpNatEntry *	findNatEntry (L3Address srcAddr, uint16_t srcPrt, L3Address destAddr, uint16_t destPrt, uint32_t globalVtag)
SctpNatEntry *	getEntry (L3Address globalAddr, uint16_t globalPrt, L3Address nattedAddr, uint16_t nattedPrt, uint32_t localVtag)
SctpNatEntry *	getSpecialEntry (L3Address globalAddr, uint16_t globalPrt, L3Address nattedAddr, uint16_t nattedPrt)
SctpNatEntry *	getLocalInitEntry (L3Address globalAddr, uint16_t localPrt, uint16_t globalPrt)
SctpNatEntry *	getLocalEntry (L3Address globalAddr, uint16_t localPrt, uint16_t globalPrt, uint32_t localVtag)
void	removeEntry (SctpNatEntry *entry)
void	printNatTable ()

Static Public Member Functions
static uint32_t	getNextEntryNumber ()

Public Attributes
SctpNatEntryTable	natEntries

Static Public Attributes
static uint32_t	nextEntryNumber = 0

Member Typedef Documentation

SctpNatEntryTable

typedef std::vector<SctpNatEntry *> inet::sctp::SctpNatTable::SctpNatEntryTable

Constructor & Destructor Documentation

SctpNatTable()

inet::sctp::SctpNatTable::SctpNatTable

(

)

{
}

~SctpNatTable()

inet::sctp::SctpNatTable::~SctpNatTable

(

)

{
    for (auto& elem : natEntries)
        delete elem;
    natEntries.clear();
}

Member Function Documentation

findNatEntry()

SctpNatEntry * inet::sctp::SctpNatTable::findNatEntry	(	L3Address	srcAddr,
		uint16_t	srcPrt,
		L3Address	destAddr,
		uint16_t	destPrt,
		uint32_t	globalVtag
	)

{
    // linear search is OK because normally we don't have many interfaces and this func is rarely called
    Enter_Method("findNatEntry");
    for (auto& elem : natEntries)
        if ((elem)->getLocalAddress() == srcAddr && (elem)->getLocalPort() == srcPrt &&
            (elem)->getGlobalAddress() == destAddr && (elem)->getGlobalPort() == destPrt && (elem)->getGlobalVTag() == globalVtag)
        {
            return elem;
        }
    return nullptr;
}

getEntry()

SctpNatEntry * inet::sctp::SctpNatTable::getEntry	(	L3Address	globalAddr,
		uint16_t	globalPrt,
		L3Address	nattedAddr,
		uint16_t	nattedPrt,
		uint32_t	localVtag
	)

{
    // linear search is OK because normally we don't have many interfaces and this func is rarely called
    Enter_Method("getEntry");
    for (auto& elem : natEntries)
        if ((elem)->getGlobalAddress() == globalAddr && (elem)->getGlobalPort() == globalPrt &&
            (elem)->getNattedAddress() == nattedAddr && (elem)->getNattedPort() == nattedPrt &&
            (elem)->getLocalVTag() == localVtag)
//        (*i)->getGlobalVTag()==localVtag)
        {
            return elem;
        }
    return nullptr;
}

getLocalEntry()

SctpNatEntry * inet::sctp::SctpNatTable::getLocalEntry	(	L3Address	globalAddr,
		uint16_t	localPrt,
		uint16_t	globalPrt,
		uint32_t	localVtag
	)

{
    // linear search is OK because normally we don't have many interfaces and this func is rarely called
    Enter_Method("getLocalEntry");
    for (auto& elem : natEntries)
        if ((elem)->getGlobalAddress() == globalAddr && (elem)->getGlobalPort() == localPrt &&
            (elem)->getLocalPort() == globalPrt && (elem)->getLocalVTag() == localVtag)
        {
            return elem;
        }
    return nullptr;
}

getLocalInitEntry()

SctpNatEntry * inet::sctp::SctpNatTable::getLocalInitEntry	(	L3Address	globalAddr,
		uint16_t	localPrt,
		uint16_t	globalPrt
	)

{
    // linear search is OK because normally we don't have many interfaces and this func is rarely called
    Enter_Method("getLocalInitEntry");
    for (auto& elem : natEntries)
        if ((elem)->getGlobalAddress() == globalAddr && (elem)->getGlobalPort() == localPrt &&
            (elem)->getLocalPort() == globalPrt)
        {
            return elem;
        }
    return nullptr;
}

getNextEntryNumber()

static uint32_t inet::sctp::SctpNatTable::getNextEntryNumber ( )

inlinestatic

{ return nextEntryNumber++; };

getSpecialEntry()

SctpNatEntry * inet::sctp::SctpNatTable::getSpecialEntry	(	L3Address	globalAddr,
		uint16_t	globalPrt,
		L3Address	nattedAddr,
		uint16_t	nattedPrt
	)

{
    // linear search is OK because normally we don't have many interfaces and this func is rarely called
    Enter_Method("getSpecialEntry");
 
    for (auto& elem : natEntries) {
        if ((elem)->getGlobalAddress() == globalAddr && (elem)->getGlobalPort() == globalPrt &&
            (elem)->getNattedAddress() == nattedAddr && (elem)->getNattedPort() == nattedPrt &&
            (elem)->getGlobalVTag() == 0)
        {
            return elem;
        }
    }
    return nullptr;
}

printNatTable()

void inet::sctp::SctpNatTable::printNatTable

(

)

{
    for (auto& elem : natEntries) {
        EV_INFO << "localAddr:" << (elem)->getLocalAddress() << "  globalAddr:" << (elem)->getGlobalAddress() << "  localPort:" << (elem)->getLocalPort() << "  globalPort:" << (elem)->getGlobalPort() << "  nattedAddr:" << (elem)->getNattedAddress() << "  nattedPort:" << (elem)->getNattedPort() << "  localVtag:" << (elem)->getLocalVTag() << "  globalVtag:" << (elem)->getGlobalVTag() << "\n";
    }
}

removeEntry()

void inet::sctp::SctpNatTable::removeEntry

(

SctpNatEntry *

entry

)

{
    Enter_Method("removeEntry");
    for (auto i = natEntries.begin(); i != natEntries.end(); ++i)
        if (((*i)->getGlobalAddress() == entry->getGlobalAddress() && (*i)->getGlobalPort() == entry->getGlobalPort() &&
             (*i)->getLocalPort() == entry->getLocalPort() && (*i)->getLocalVTag() == entry->getLocalVTag())
            || (((*i)->getLocalAddress() == entry->getGlobalAddress() && (*i)->getLocalPort() == entry->getGlobalPort() &&
                 (*i)->getGlobalPort() == entry->getLocalPort() && (*i)->getGlobalVTag() == entry->getLocalVTag())))
        {
            natEntries.erase(i);
            return;
        }
}

Member Data Documentation

natEntries

SctpNatEntryTable inet::sctp::SctpNatTable::natEntries

Referenced by findNatEntry(), getEntry(), getLocalEntry(), getLocalInitEntry(), getSpecialEntry(), printNatTable(), removeEntry(), and ~SctpNatTable().

nextEntryNumber

uint32_t inet::sctp::SctpNatTable::nextEntryNumber = 0

static

---

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

• SctpNatTable.h
• SctpNatTable.cc