Jeff Hill
110 lines
2.6 KiB
C++
110 lines
2.6 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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* 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 "server.h"
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#include "casChannelIIL.h" // casChannelI in line func
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#include "casCtxIL.h" // casCtxI in line func
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//
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// casAsyncReadIO::casAsyncReadIO()
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//
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casAsyncReadIO::casAsyncReadIO ( const casCtx & ctx ) :
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casAsyncIOI ( *ctx.getClient() ), msg ( *ctx.getMsg() ),
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chan( *ctx.getChannel () ), pDD ( NULL ), completionStatus ( S_cas_internal )
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{
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assert ( &this->chan );
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this->chan.installAsyncIO ( *this );
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}
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//
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// casAsyncReadIO::~casAsyncReadIO()
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//
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casAsyncReadIO::~casAsyncReadIO ()
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{
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epicsGuard < casCoreClient > guard ( this->client );
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this->chan.removeAsyncIO ( *this );
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}
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//
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// casAsyncReadIO::postIOCompletion()
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//
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caStatus casAsyncReadIO::postIOCompletion (caStatus completionStatusIn,
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const gdd &valueRead)
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{
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{
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epicsGuard < casCoreClient > guard ( this->client );
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this->pDD = &valueRead;
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this->completionStatus = completionStatusIn;
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}
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return this->postIOCompletionI();
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}
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//
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// casAsyncReadIO::readOP()
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//
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epicsShareFunc bool casAsyncReadIO::readOP() const
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{
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return true; // it is a read op
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}
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//
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// casAsyncReadIO::cbFuncAsyncIO()
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// (called when IO completion event reaches top of event queue)
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//
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epicsShareFunc caStatus casAsyncReadIO::cbFuncAsyncIO()
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{
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caStatus status;
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switch (this->msg.m_cmmd) {
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case CA_PROTO_READ:
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status = client.readResponse (&this->chan, this->msg,
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*this->pDD, this->completionStatus);
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break;
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case CA_PROTO_READ_NOTIFY:
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status = client.readNotifyResponse (&this->chan,
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this->msg, this->pDD,
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this->completionStatus);
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break;
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case CA_PROTO_EVENT_ADD:
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status = client.monitorResponse (this->chan,
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this->msg, this->pDD,
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this->completionStatus);
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break;
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default:
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errPrintf (S_cas_invalidAsynchIO, __FILE__, __LINE__,
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" - client request type = %u", this->msg.m_cmmd);
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status = S_cas_invalidAsynchIO;
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break;
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}
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return status;
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}
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//
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// void casAsyncReadIO::destroy ()
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//
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void casAsyncReadIO::destroy ()
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{
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delete this;
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}
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