137 lines
5.1 KiB
C++
137 lines
5.1 KiB
C++
#ifndef _CDEV_MONITOR_TABLE_H_
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#define _CDEV_MONITOR_TABLE_H_ 1
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#include <cdevMessage.h>
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#include <StringHash.h>
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#include <cdevData.h>
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#include <xdrClass.h>
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// *****************************************************************************
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// * class cdevMonitorData :
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// * This class gives a cdevData object the capacity to selectively place
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// * its tagged data items into an XDR stream.
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// *****************************************************************************
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class GENERIC_SERVER_API cdevMonitorData : public cdevData
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{
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protected:
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int * criticalTags;
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int criticalTagCnt;
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virtual int isTagCritical ( int tag );
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public:
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cdevMonitorData (void );
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cdevMonitorData (const cdevData & data);
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cdevMonitorData (const cdevMonitorData & data);
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virtual void setCriticalTags ( int * tags, int tagCnt );
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virtual int changeTag ( int oldTag, int newTag );
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virtual int xdrExport ( char ** buf, size_t * bufLen );
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virtual int xdrExport ( char * buf, size_t bufLen, size_t count);
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virtual int xdrSize ( size_t * bufLen, size_t * elementCount );
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};
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// *****************************************************************************
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// * class cdevMonitorNode :
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// * This class is used to store the list of monitors associated with a
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// * device / attribute pair. It maintains a back-pointer to the
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// * cdevMonitorTable object to allow it to call the fireCallback method of
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// * the parent in order to submit the reply.
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// *****************************************************************************
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class GENERIC_SERVER_API cdevMonitorNode
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{
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friend class cdevMonitorTable;
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protected:
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// **********************************************************************
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// * class cdevMonitorEntry :
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// * This is an individual monitor transaction that has been installed
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// * in a cdevMonitorNode.
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// **********************************************************************
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class cdevMonitorEntry
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{
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friend class cdevMonitorNode;
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private:
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static int VALUE_TAG;
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static int STATUS_TAG;
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static int TIME_TAG;
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static int DEVICE_TAG; // *** Added for multi-device
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cdevMonitorEntry * next;
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cdevMessage * message;
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int * triggers;
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int * trigType;
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int trigCnt;
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int * properties;
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int propCnt;
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int deviceIdx; // *** Added for multi-device
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cdevMonitorEntry ( cdevMessage * Message, int deviceIdx );
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~cdevMonitorEntry ( void );
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};
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class cdevMonitorTable * parent;
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cdevMonitorEntry * nodes;
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cdevMonitorData mData;
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char * hashString;
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virtual int fireMonitor ( cdevMonitorEntry *entry,
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int property,
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cdevMonitorData * data,
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int endOfTransaction = 0);
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virtual int insertMonitor ( cdevMessage * request,
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cdevData * data,
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int deviceIdx );
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virtual int removeMonitor ( cdevMessage * request );
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virtual int removeMonitor ( unsigned transIndex );
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virtual int removeClientMonitors ( short clientID, int fire = 1 );
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char * getHashString ( void ) { return hashString; }
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public:
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cdevMonitorNode ( cdevMonitorTable * Parent,
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char * Device,
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char * Attrib );
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virtual ~cdevMonitorNode ( void );
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virtual int fireMonitor ( char * property, cdevData * data );
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virtual int fireMonitor ( int property, cdevData * data );
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int isMonitored ( void ) { return nodes==NULL?0:1; }
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};
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// *****************************************************************************
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// * class cdevMonitorTable :
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// * This class is used to store the list of all monitors for all device /
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// * attribute pairs in the system. The developer must provide the
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// * fireCallback method which will be used to submit the callback to the
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// * client.
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// *****************************************************************************
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class GENERIC_SERVER_API cdevMonitorTable
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{
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protected:
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StringHash monitors;
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public:
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cdevMonitorTable ( void );
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virtual ~cdevMonitorTable ( void );
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virtual int insertMonitor ( cdevMessage * request, cdevData * data );
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virtual int insertMonitor ( cdevMessage * request, cdevData ** data, size_t dataCnt );
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virtual int removeMonitor ( cdevMessage * request );
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virtual int removeClientMonitors( short clientID, int fire = 1 );
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virtual cdevMonitorNode * findMonitor ( char * device, char * attrib );
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virtual int fireMonitor ( char * device, char * attrib,
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char * property, cdevData * data );
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virtual int fireMonitor ( char * device, char * attrib,
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int property, cdevData * data );
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virtual int fireCallback ( cdevMessage * message );
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};
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#endif
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