5f5e89e7cd
- EventBufferCore: (new) - Defines Events and related functions - Defines Event Buffer - ItemBuffer: - Specify "Keep" parameter for Delete, to override CopyEntries
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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* EventBufferCore.h
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* *
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* Created on: 20 Aug 2017
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* Author: wentzelc
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*/
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#ifndef REDACORE_EVENTBUFFERCORE_H_
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#define REDACORE_EVENTBUFFERCORE_H_
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//---------------------------------------------------------------------------
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// Standard C/C++ Libraries
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/* none */
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// redA Libraries
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#include "ItemBufferCore.h"
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//---------------------------------------------------------------------------
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// Prototypes
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class CEventBuffer;
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typedef struct SEventEntry TEventEntry;
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typedef struct SEventType TEventType;
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//---------------------------------------------------------------------------
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// Data Structures
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struct SEventEntry {
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unsigned EventNo;
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char * EventType;
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char * Parent;
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char * DeviceName;
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char * ParamName;
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char * Value;
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char DateTime[20];
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char * SourceName;
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};
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struct SEventType {
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char * Name;
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TEventType * Next;
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};
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//---------------------------------------------------------------------------
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// General Event life cycle functions
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TEventEntry * CreateEvent();
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TEventEntry * CreateEvent( const char * EventType, const char * Parent, const char * DeviceName, const char * ParamName,
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long Value, const char * DateTimeStr, const char * SourceName );
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TEventEntry * CreateEvent( const char * EventType, const char * Parent, const char * DeviceName, const char * ParamName,
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double Value, const char * DateTimeStr, const char * SourceName );
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TEventEntry * CreateEvent( const char * EventType, const char * Parent, const char * DeviceName, const char * ParamName,
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const char * Value, const char * DateTimeStr, const char * SourceName );
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TEventEntry * CopyEvent( TEventEntry * Event );
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bool DestroyEvent( TEventEntry ** Event );
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//---------------------------------------------------------------------------
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// Event buffer abstract object (base class)
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class CEventBuffer : protected CItemBuffer
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{
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protected:
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char Name[31];
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CEventBuffer * PeerBuffer;
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TEventType * FirstEventType;
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public:
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CEventBuffer( const char * BufferName );
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virtual ~CEventBuffer();
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// Markers
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TEventEntry * CurrentEvent;
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unsigned int EventCount;
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char * GetName() { return Name; };
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// Initialisation
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bool SetPeerBuffer( CEventBuffer *pPeerBuffer );
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// Filter List
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bool SetEventFilter( int n, ... );
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bool PassEventFilter( TEventEntry * Event );
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// Buffering
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virtual bool AddEvent( TEventEntry * Event, unsigned int EventNo = 0 );
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virtual TEventEntry * GetNextEvent( bool &Error );
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virtual bool ClearCurrentEvent();
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virtual bool ClearLastEvent( bool FreeEvent );
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virtual bool DestroyEntry( void ** Entry );
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};
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//---------------------------------------------------------------------------
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#endif /*REDACORE_EVENTBUFFERCORE_H_*/
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