Files
epics-base/src/ca/getCopy.cpp
2001-06-04 23:12:59 +00:00

82 lines
2.2 KiB
C++

/*
* $Id$
*
*
* L O S A L A M O S
* Los Alamos National Laboratory
* Los Alamos, New Mexico 87545
*
* Copyright, 1986, The Regents of the University of California.
*
*
* Author Jeffrey O. Hill
* johill@lanl.gov
* 505 665 1831
*/
#define epicsAssertAuthor "Jeff Hill johill@lanl.gov"
#include "iocinf.h"
#include "oldAccess.h"
#include "cac.h"
tsFreeList < class getCopy, 1024 > getCopy::freeList;
epicsMutex getCopy::freeListMutex;
getCopy::getCopy ( oldCAC &cacCtxIn, oldChannelNotify &chanIn, unsigned typeIn,
arrayElementCount countIn, void *pValueIn ) :
count ( countIn ), cacCtx ( cacCtxIn ), chan ( chanIn ), pValue ( pValueIn ),
readSeq ( cacCtxIn.sequenceNumberOfOutstandingIO () ), type ( typeIn )
{
cacCtxIn.incrementOutstandingIO ();
}
getCopy::~getCopy ()
{
}
void getCopy::cancel ()
{
this->cacCtx.decrementOutstandingIO ( this->readSeq );
}
void getCopy::destroy ()
{
delete this;
}
void getCopy::completion ( unsigned typeIn,
arrayElementCount countIn, const void *pDataIn )
{
if ( this->type == typeIn ) {
memcpy ( this->pValue, pDataIn, dbr_size_n ( typeIn, countIn ) );
this->cacCtx.decrementOutstandingIO ( this->readSeq );
}
else {
this->exception ( ECA_INTERNAL,
"bad data type match in get copy back response",
typeIn, countIn);
}
delete this;
}
void getCopy::exception (
int status, const char *pContext, unsigned /* typeIn */, arrayElementCount /* countIn */ )
{
this->cacCtx.exception ( status, pContext,
__FILE__, __LINE__, this->chan, this->type, this->count, CA_OP_GET );
delete this;
}
void getCopy::show ( unsigned level ) const
{
int tmpType = static_cast <int> ( this->type );
::printf ( "read copy IO at %p, type %s, element count %lu\n",
static_cast <const void *> ( this ), dbf_type_to_text ( tmpType ), this->count );
if ( level > 0u ) {
::printf ( "\tsequence number %u, user's storage %p\n",
this->readSeq, static_cast <const void *> ( this->pValue ) );
}
}