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 srcPrt, L3Address destAddr, uint16 destPrt, uint32 globalVtag)
SCTPNatEntry *	getEntry (L3Address globalAddr, uint16 globalPrt, L3Address nattedAddr, uint16 nattedPrt, uint32 localVtag)
SCTPNatEntry *	getSpecialEntry (L3Address globalAddr, uint16 globalPrt, L3Address nattedAddr, uint16 nattedPrt)
SCTPNatEntry *	getLocalInitEntry (L3Address globalAddr, uint16 localPrt, uint16 globalPrt)
SCTPNatEntry *	getLocalEntry (L3Address globalAddr, uint16 localPrt, uint16 globalPrt, uint32 localVtag)
void	removeEntry (SCTPNatEntry *entry)
void	printNatTable ()

Static Public Member Functions
static uint32	getNextEntryNumber ()

Public Attributes
SCTPNatEntryTable	natEntries

Static Public Attributes
static uint32	nextEntryNumber = 0

Member Typedef Documentation

typedef std::vector<SCTPNatEntry *> inet::sctp::SCTPNatTable::SCTPNatEntryTable

Constructor & Destructor Documentation

inet::sctp::SCTPNatTable::SCTPNatTable

(

)

{
}

inet::sctp::SCTPNatTable::~SCTPNatTable

(

)

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

Member Function Documentation

SCTPNatEntry * inet::sctp::SCTPNatTable::findNatEntry	(	L3Address	srcAddr,
		uint16	srcPrt,
		L3Address	destAddr,
		uint16	destPrt,
		uint32	globalVtag
	)

Referenced by inet::sctp::SCTPNatHook::datagramForwardHook().

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

SCTPNatEntry * inet::sctp::SCTPNatTable::getEntry	(	L3Address	globalAddr,
		uint16	globalPrt,
		L3Address	nattedAddr,
		uint16	nattedPrt,
		uint32	localVtag
	)

Referenced by inet::sctp::SCTPNatHook::datagramPreRoutingHook().

{
    // linear search is OK because normally we don't have many interfaces and this func is rarely called
    Enter_Method_Silent();
    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;
}

SCTPNatEntry * inet::sctp::SCTPNatTable::getLocalEntry	(	L3Address	globalAddr,
		uint16	localPrt,
		uint16	globalPrt,
		uint32	localVtag
	)

Referenced by inet::sctp::SCTPNatHook::datagramPreRoutingHook().

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

SCTPNatEntry * inet::sctp::SCTPNatTable::getLocalInitEntry	(	L3Address	globalAddr,
		uint16	localPrt,
		uint16	globalPrt
	)

Referenced by inet::sctp::SCTPNatHook::datagramPreRoutingHook().

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

static uint32 inet::sctp::SCTPNatTable::getNextEntryNumber ( )

inlinestatic

{ return nextEntryNumber++; };

SCTPNatEntry * inet::sctp::SCTPNatTable::getSpecialEntry	(	L3Address	globalAddr,
		uint16	globalPrt,
		L3Address	nattedAddr,
		uint16	nattedPrt
	)

Referenced by inet::sctp::SCTPNatHook::datagramPreRoutingHook().

{
    // linear search is OK because normally we don't have many interfaces and this func is rarely called
    Enter_Method_Silent();

    for (auto & elem : natEntries) {
        if ((elem)->getGlobalAddress() == globalAddr && (elem)->getGlobalPort() == globalPrt &&
            (elem)->getNattedAddress() == nattedAddr && (elem)->getNattedPort() == nattedPrt &&
            (elem)->getGlobalVTag() == 0)
        {
            return elem;
        }
    }
    return nullptr;
}

void inet::sctp::SCTPNatTable::printNatTable

(

)

Referenced by inet::sctp::SCTPNatHook::datagramForwardHook(), and inet::sctp::SCTPNatHook::datagramPreRoutingHook().

{
    for (auto & elem : natEntries) {
        EV << "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";
    }
}

void inet::sctp::SCTPNatTable::removeEntry

(

SCTPNatEntry *

entry

)

{
    Enter_Method_Silent();
    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

SCTPNatEntryTable inet::sctp::SCTPNatTable::natEntries

Referenced by inet::sctp::SCTPNatHook::datagramForwardHook(), inet::sctp::SCTPNatHook::datagramPreRoutingHook(), findNatEntry(), getEntry(), getLocalEntry(), getLocalInitEntry(), getSpecialEntry(), printNatTable(), removeEntry(), and ~SCTPNatTable().

uint32 inet::sctp::SCTPNatTable::nextEntryNumber = 0

static

---

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

• SCTPNatTable.h
• SCTPNatTable.cc