Files
pcas/src/cas/generic/casChannel.cc
2003-05-16 22:05:54 +00:00

117 lines
2.3 KiB
C++

/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/*
* $Id$
*
* Author Jeffrey O. Hill
* johill@lanl.gov
* 505 665 1831
*/
#define epicsExportSharedSymbols
#include "casdef.h"
#include "casChannelI.h"
casChannel::casChannel ( const casCtx & /* ctx */ ) :
pChanI ( 0 )
{
}
casChannel::~casChannel ()
{
if ( this->pChanI ) {
this->pChanI->casChannelDestroyFromInterfaceNotify ();
}
}
void casChannel::destroyRequest ()
{
this->pChanI = 0;
this->destroy ();
}
casPV * casChannel::getPV () // X aCC 361
{
if ( this->pChanI ) {
casPVI & pvi = this->pChanI->getPVI ();
return pvi.apiPointer ();
}
else {
return 0;
}
}
void casChannel::setOwner ( const char * const /* pUserName */,
const char * const /* pHostName */ )
{
//
// NOOP
//
}
bool casChannel::readAccess () const
{
return true;
}
bool casChannel::writeAccess () const
{
return true;
}
bool casChannel::confirmationRequested () const
{
return false;
}
caStatus casChannel::beginTransaction ()
{
return S_casApp_success;
}
void casChannel::endTransaction ()
{
}
caStatus casChannel::read ( const casCtx & ctx, gdd & prototype )
{
return ctx.getPV()->read ( ctx, prototype );
}
caStatus casChannel::write ( const casCtx & ctx, const gdd & value )
{
return ctx.getPV()->write ( ctx, value );
}
void casChannel::show ( unsigned level ) const
{
if ( level > 2u ) {
printf ( "casChannel: read access = %d\n",
this->readAccess() );
printf ( "casChannel: write access = %d\n",
this->writeAccess() );
printf ( "casChannel: confirmation requested = %d\n",
this->confirmationRequested() );
}
}
void casChannel::destroy ()
{
delete this;
}
void casChannel::postAccessRightsEvent ()
{
if ( this->pChanI ) {
this->pChanI->postAccessRightsEvent ();
}
}