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epics-base/src/cas/generic/casAsyncExIOI.cc
1997-08-05 00:47:27 +00:00

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/*
* $Id$
*
* Author Jeffrey O. Hill
* johill@lanl.gov
* 505 665 1831
*
* Experimental Physics and Industrial Control System (EPICS)
*
* Copyright 1991, the Regents of the University of California,
* and the University of Chicago Board of Governors.
*
* This software was produced under U.S. Government contracts:
* (W-7405-ENG-36) at the Los Alamos National Laboratory,
* and (W-31-109-ENG-38) at Argonne National Laboratory.
*
* Initial development by:
* The Controls and Automation Group (AT-8)
* Ground Test Accelerator
* Accelerator Technology Division
* Los Alamos National Laboratory
*
* Co-developed with
* The Controls and Computing Group
* Accelerator Systems Division
* Advanced Photon Source
* Argonne National Laboratory
*
*
* History
* $Log$
* Revision 1.4 1997/06/13 09:15:53 jhill
* connect proto changes
*
* Revision 1.3 1997/04/10 19:33:54 jhill
* API changes
*
* Revision 1.2 1996/11/06 22:15:53 jhill
* allow monitor init read to using rd async io
*
* Revision 1.1 1996/11/02 01:01:02 jhill
* installed
*
*
*
*/
#include "server.h"
#include "casAsyncIOIIL.h" // casAsyncIOI in line func
#include "casChannelIIL.h" // casChannelI in line func
#include "casCtxIL.h" // casCtx in line func
#include "casCoreClientIL.h" // casCoreClient in line func
//
// casAsyncExIOI::casAsyncExIOI()
//
epicsShareFunc casAsyncExIOI::casAsyncExIOI(
const casCtx &ctx, casAsyncPVExistIO &ioIn) :
casAsyncIOI(*ctx.getClient(), ioIn),
msg(*ctx.getMsg()),
retVal(pverDoesNotExistHere),
pOutDGIntfIO(ctx.getClient()->fetchOutIntf()),
dgOutAddr(ctx.getClient()->fetchRespAddr())
{
assert (&this->msg);
this->client.installAsyncIO(*this);
}
//
// casAsyncExIOI::~casAsyncExIOI()
//
casAsyncExIOI::~casAsyncExIOI()
{
this->client.removeAsyncIO(*this);
}
//
// casAsyncExIOI::postIOCompletion()
//
epicsShareFunc caStatus casAsyncExIOI::postIOCompletion(const pvExistReturn retValIn)
{
this->retVal = retValIn;
return this->postIOCompletionI();
}
//
// casAsyncExIOI::cbFuncAsyncIO()
// (called when IO completion event reaches top of event queue)
//
epicsShareFunc caStatus casAsyncExIOI::cbFuncAsyncIO()
{
caStatus status;
switch (this->msg.m_cmmd) {
case CA_PROTO_SEARCH:
//
// pass output DG address parameters
//
assert(this->pOutDGIntfIO);
status = this->client.asyncSearchResponse(*this->pOutDGIntfIO,
this->dgOutAddr, this->msg, this->retVal);
break;
default:
this->reportInvalidAsynchIO(this->msg.m_cmmd);
status = S_cas_internal;
break;
}
return status;
}