116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/*
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* $Id$
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*
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*
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* L O S A L A M O S
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* Los Alamos National Laboratory
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* Los Alamos, New Mexico 87545
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*
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* Copyright, 1986, The Regents of the University of California.
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*
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*
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* Author Jeffrey O. Hill
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* johill@lanl.gov
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* 505 665 1831
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*/
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#include <string>
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#include <stdexcept>
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#define epicsAssertAuthor "Jeff Hill johill@lanl.gov"
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#define epicsExportSharedSymbols
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#include "iocinf.h"
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#include "oldAccess.h"
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#include "cac.h"
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getCopy::getCopy (
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epicsGuard < epicsMutex > & guard, ca_client_context & cacCtxIn,
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oldChannelNotify & chanIn, unsigned typeIn,
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arrayElementCount countIn, void * pValueIn ) :
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count ( countIn ), cacCtx ( cacCtxIn ), chan ( chanIn ), pValue ( pValueIn ),
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ioSeqNo ( 0 ), type ( typeIn )
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{
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this->ioSeqNo = cacCtxIn.sequenceNumberOfOutstandingIO ( guard );
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cacCtxIn.incrementOutstandingIO ( guard, this->ioSeqNo );
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}
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getCopy::~getCopy ()
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{
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}
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void getCopy::cancel ()
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{
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epicsGuard < epicsMutex > guard ( this->cacCtx.mutexRef () );
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this->cacCtx.decrementOutstandingIO ( guard, this->ioSeqNo );
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}
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void getCopy::completion (
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epicsGuard < epicsMutex > & guard, unsigned typeIn,
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arrayElementCount countIn, const void *pDataIn )
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{
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if ( this->type == typeIn ) {
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unsigned size = dbr_size_n ( typeIn, countIn );
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memcpy ( this->pValue, pDataIn, size );
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this->cacCtx.decrementOutstandingIO ( guard, this->ioSeqNo );
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}
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else {
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this->exception ( guard, ECA_INTERNAL,
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"bad data type match in get copy back response",
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typeIn, countIn);
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}
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this->cacCtx.destroyGetCopy ( guard, *this );
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}
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void getCopy::exception (
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epicsGuard < epicsMutex > & guard,
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int status, const char *pContext, unsigned /* typeIn */, arrayElementCount /* countIn */ )
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{
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if ( status != ECA_CHANDESTROY ) {
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this->cacCtx.exception ( guard, status, pContext,
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__FILE__, __LINE__, this->chan, this->type,
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this->count, CA_OP_GET );
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}
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this->cacCtx.destroyGetCopy ( guard, *this );
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}
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void getCopy::show ( unsigned level ) const
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{
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int tmpType = static_cast <int> ( this->type );
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::printf ( "read copy IO at %p, type %s, element count %lu\n",
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static_cast <const void *> ( this ), dbf_type_to_text ( tmpType ), this->count );
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if ( level > 0u ) {
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::printf ( "\tIO sequence number %u, user's storage %p\n",
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this->ioSeqNo, static_cast <const void *> ( this->pValue ) );
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}
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}
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void * getCopy::operator new ( size_t ) // X aCC 361
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{
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// The HPUX compiler seems to require this even though no code
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// calls it directly
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throw std::logic_error ( "why is the compiler calling private operator new" );
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}
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void getCopy::operator delete ( void * )
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{
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// Visual C++ .net appears to require operator delete if
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// placement operator delete is defined? I smell a ms rat
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// because if I declare placement new and delete, but
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// comment out the placement delete definition there are
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// no undefined symbols.
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errlogPrintf ( "%s:%d this compiler is confused about placement delete - memory was probably leaked",
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__FILE__, __LINE__ );
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}
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