114 lines
3.5 KiB
C++
114 lines
3.5 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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* NOTES:
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* 1) This interface is preliminary and will change in the future
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*/
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#ifndef dbChannelIOh
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#define dbChannelIOh
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#ifdef epicsExportSharedSymbols
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# define dbChannelIOh_restore_epicsExportSharedSymbols
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# undef epicsExportSharedSymbols
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#endif
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#include "cxxCompilerDependencies.h"
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#ifdef dbChannelIOh_restore_epicsExportSharedSymbols
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# define epicsExportSharedSymbols
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#endif
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class dbChannelIO : public cacChannel, public dbServicePrivateListOfIO {
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public:
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dbChannelIO ( cacChannelNotify ¬ify,
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const dbAddr &addr, dbServiceIO &serviceIO );
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~dbChannelIO ();
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void destroy ();
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void callReadNotify ( unsigned type, unsigned long count,
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cacReadNotify ¬ify );
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void callStateNotify ( unsigned type, unsigned long count,
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const struct db_field_log *pfl, cacStateNotify ¬ify );
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void show ( unsigned level ) const;
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const char *pName () const;
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void * operator new ( size_t size, tsFreeList < dbChannelIO > & );
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epicsPlacementDeleteOperator (( void *, tsFreeList < dbChannelIO > & ))
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private:
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dbServiceIO & serviceIO;
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dbAddr addr;
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void initiateConnect ();
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ioStatus read ( unsigned type, unsigned long count,
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cacReadNotify &, ioid * );
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void write ( unsigned type, unsigned long count,
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const void *pvalue );
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ioStatus write ( unsigned type, unsigned long count,
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const void *pvalue, cacWriteNotify &, ioid * );
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void subscribe ( unsigned type, unsigned long count,
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unsigned mask, cacStateNotify ¬ify, ioid * );
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void ioCancel ( const ioid & );
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void ioShow ( const ioid &, unsigned level ) const;
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short nativeType () const;
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unsigned long nativeElementCount () const;
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dbChannelIO ( const dbChannelIO & );
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dbChannelIO & operator = ( const dbChannelIO & );
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void * operator new ( size_t size );
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void operator delete ( void * );
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};
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inline unsigned long dbChannelIO::nativeElementCount () const
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{
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if ( this->addr.no_elements >= 0u ) {
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return static_cast < unsigned long > ( this->addr.no_elements );
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}
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return 0u;
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}
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inline const char *dbChannelIO::pName () const
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{
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return addr.precord->name;
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}
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inline short dbChannelIO::nativeType () const
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{
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return this->addr.dbr_field_type;
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}
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inline void dbChannelIO::callReadNotify ( unsigned type, unsigned long count,
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cacReadNotify ¬ify )
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{
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this->serviceIO.callReadNotify ( this->addr, type, count, notify );
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}
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inline void dbChannelIO::callStateNotify ( unsigned type, unsigned long count,
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const struct db_field_log *pfl, cacStateNotify ¬ify )
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{
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this->serviceIO.callStateNotify ( this->addr, type, count, pfl, notify );
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}
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#endif // dbChannelIOh
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