ipAddrToAsciiTransactionPrivate Class Reference

Inheritance diagram for ipAddrToAsciiTransactionPrivate:

Collaboration diagram for ipAddrToAsciiTransactionPrivate:

Public Member Functions
	ipAddrToAsciiTransactionPrivate (class ipAddrToAsciiEnginePrivate &engineIn)
virtual	~ipAddrToAsciiTransactionPrivate ()
osiSockAddr	address () const
void	show (unsigned level) const
void *	operator new (size_t size, tsFreeList< ipAddrToAsciiTransactionPrivate, 0x80 > &)
	epicsPlacementDeleteOperator ((void *, tsFreeList< ipAddrToAsciiTransactionPrivate, 0x80 > &)) osiSockAddr addr
void	ipAddrToAscii (const osiSockAddr &, ipAddrToAsciiCallBack &)
void	release ()
void	operator delete (void *)
Public Member Functions inherited from tsDLNode< ipAddrToAsciiTransactionPrivate >
	tsDLNode ()
	tsDLNode (const tsDLNode< ipAddrToAsciiTransactionPrivate > &)
const tsDLNode< ipAddrToAsciiTransactionPrivate > &	operator= (const tsDLNode< ipAddrToAsciiTransactionPrivate > &)

Public Attributes
ipAddrToAsciiEnginePrivate &	engine
ipAddrToAsciiCallBack *	pCB
bool	pending

Additional Inherited Members
Protected Member Functions inherited from ipAddrToAsciiTransaction
virtual	~ipAddrToAsciiTransaction ()=0

Detailed Description

Definition at line 38 of file ipAddrToAsciiAsynchronous.cpp.

Constructor & Destructor Documentation

ipAddrToAsciiTransactionPrivate::ipAddrToAsciiTransactionPrivate

(

class ipAddrToAsciiEnginePrivate &

engineIn

)

Definition at line 360 of file ipAddrToAsciiAsynchronous.cpp.

                                              :
    engine ( engineIn ), pCB ( 0 ), pending ( false )
{
    memset ( & this->addr, '\0', sizeof ( this->addr ) );
    this->addr.sa.sa_family = AF_UNSPEC;
}

ipAddrToAsciiTransactionPrivate::~ipAddrToAsciiTransactionPrivate ( )

virtual

Definition at line 373 of file ipAddrToAsciiAsynchronous.cpp.

{
    ipAddrToAsciiGlobal *pGlobal = this->engine.pEngine;
    bool last;
    {
        epicsGuard < epicsMutex > guard ( pGlobal->mutex );
        while ( this->pending ) {
            if ( pGlobal->pCurrent == this &&
                    pGlobal->callbackInProgress &&
                    ! pGlobal->thread.isCurrentThread() ) {
                // cancel from another thread while callback in progress
                // waits for callback to complete
                assert ( pGlobal->cancelPendingCount < UINT_MAX );
                pGlobal->cancelPendingCount++;
                {
                    epicsGuardRelease < epicsMutex > unguard ( guard );
                    pGlobal->destructorBlockEvent.wait ();
                }
                assert ( pGlobal->cancelPendingCount > 0u );
                pGlobal->cancelPendingCount--;
                if ( ! this->pending ) {
                    if ( pGlobal->cancelPendingCount ) {
                        pGlobal->destructorBlockEvent.signal ();
                    }
                    break;
                }
            }
            else {
                if ( pGlobal->pCurrent == this ) {
                    // cancel from callback, or while lookup in progress
                    pGlobal->pCurrent = 0;
                }
                else {
                    // cancel before lookup starts
                    pGlobal->labor.remove ( *this );
                }
                this->pending = false;
            }
        }
        assert(this->engine.refcount>0);
        last = 0==--this->engine.refcount;
    }
    if(last) {
        delete &this->engine;
    }
}

Member Function Documentation

osiSockAddr ipAddrToAsciiTransactionPrivate::address ( ) const

virtual

Implements ipAddrToAsciiTransaction.

Definition at line 457 of file ipAddrToAsciiAsynchronous.cpp.

{
    return this->addr;
}

ipAddrToAsciiTransactionPrivate::epicsPlacementDeleteOperator

(

(void *, tsFreeList< ipAddrToAsciiTransactionPrivate, 0x80 > &)

)

void ipAddrToAsciiTransactionPrivate::ipAddrToAscii ( const osiSockAddr &  addrIn, ipAddrToAsciiCallBack &  cbIn  )

virtual

Implements ipAddrToAsciiTransaction.

Definition at line 420 of file ipAddrToAsciiAsynchronous.cpp.

{
    bool success;
    ipAddrToAsciiGlobal *pGlobal = this->engine.pEngine;

    {
        epicsGuard < epicsMutex > guard ( pGlobal->mutex );

        if (this->engine.released) {
            errlogPrintf("Warning: ipAddrToAscii on transaction with release()'d ipAddrToAsciiEngine");
            success = false;

        } else if ( !this->pending && pGlobal->labor.count () < 16u ) {
            // put some reasonable limit on queue expansion
            this->addr = addrIn;
            this->pCB = & cbIn;
            this->pending = true;
            pGlobal->labor.add ( *this );
            success = true;
        }
        else {
            success = false;
        }
    }

    if ( success ) {
        pGlobal->laborEvent.signal ();
    }
    else {
        char autoNameTmp[256];
        sockAddrToDottedIP ( & addrIn.sa, autoNameTmp,
            sizeof ( autoNameTmp ) );
        cbIn.transactionComplete ( autoNameTmp );
    }
}

void ipAddrToAsciiTransactionPrivate::operator delete

(

void *

)

Definition at line 271 of file ipAddrToAsciiAsynchronous.cpp.

{
    // Visual C++ .net appears to require operator delete if
    // placement operator delete is defined? I smell a ms rat
    // because if I declare placement new and delete, but
    // comment out the placement delete definition there are
    // no undefined symbols.
    errlogPrintf ( "%s:%d this compiler is confused about placement delete - memory was probably leaked",
        __FILE__, __LINE__ );
}

void * ipAddrToAsciiTransactionPrivate::operator new ( size_t  size, tsFreeList< ipAddrToAsciiTransactionPrivate, 0x80 > &  freeList  )

inline

Definition at line 257 of file ipAddrToAsciiAsynchronous.cpp.

{
    return freeList.allocate ( size );
}

void ipAddrToAsciiTransactionPrivate::release ( )

virtual

Implements ipAddrToAsciiTransaction.

Definition at line 367 of file ipAddrToAsciiAsynchronous.cpp.

{
    this->~ipAddrToAsciiTransactionPrivate ();
    this->engine.pEngine->transactionFreeList.release ( this );
}

void ipAddrToAsciiTransactionPrivate::show ( unsigned  level ) const

virtual

Implements ipAddrToAsciiTransaction.

Definition at line 462 of file ipAddrToAsciiAsynchronous.cpp.

{
    epicsGuard < epicsMutex > guard ( this->engine.pEngine->mutex );
    char ipAddr [64];
    sockAddrToDottedIP ( &this->addr.sa, ipAddr, sizeof ( ipAddr ) );
    printf ( "ipAddrToAsciiTransactionPrivate for address %s\n", ipAddr );
    if ( level > 0u ) {
        printf ( "\tengine %p\n",
            static_cast <void *> ( & this->engine ) );
        this->pCB->show ( level - 1u );
    }
}

Member Data Documentation

ipAddrToAsciiEnginePrivate& ipAddrToAsciiTransactionPrivate::engine

Definition at line 51 of file ipAddrToAsciiAsynchronous.cpp.

ipAddrToAsciiCallBack* ipAddrToAsciiTransactionPrivate::pCB

Definition at line 52 of file ipAddrToAsciiAsynchronous.cpp.

bool ipAddrToAsciiTransactionPrivate::pending

Definition at line 53 of file ipAddrToAsciiAsynchronous.cpp.

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

• modules/libcom/src/misc/ipAddrToAsciiAsynchronous.cpp