cdev-1.7.2n

2022-12-13 12:44:04 +01:00
commit b3b88fc333
1357 changed files with 338883 additions and 0 deletions
--- a/extensions/cdevGenericServer/cdevMonitorTable/cdevMonitorTable.h
+++ b/extensions/cdevGenericServer/cdevMonitorTable/cdevMonitorTable.h
@@ -0,0 +1,136 @@
+#ifndef _CDEV_MONITOR_TABLE_H_
+#define _CDEV_MONITOR_TABLE_H_ 1
+
+#include <cdevMessage.h>
+#include <StringHash.h>
+#include <cdevData.h>
+#include <xdrClass.h>
+
+
+// *****************************************************************************
+// * class cdevMonitorData :
+// *	This class gives a cdevData object the capacity to selectively place
+// *	its tagged data items into an XDR stream.  
+// *****************************************************************************
+class GENERIC_SERVER_API cdevMonitorData : public cdevData
+{
+protected:
+	int * criticalTags;
+	int   criticalTagCnt;
+
+	virtual int  isTagCritical ( int tag );
+
+public:
+	cdevMonitorData (void );
+	cdevMonitorData (const cdevData & data);
+	cdevMonitorData (const cdevMonitorData & data);
+
+	virtual void setCriticalTags ( int * tags, int tagCnt );
+	virtual int  changeTag       ( int oldTag, int newTag );
+	virtual int  xdrExport       ( char ** buf, size_t * bufLen );
+	virtual int  xdrExport       ( char * buf, size_t bufLen, size_t count);
+	virtual int  xdrSize         ( size_t * bufLen, size_t * elementCount );
+};
+
+
+// *****************************************************************************
+// * class cdevMonitorNode :
+// *	This class is used to store the list of monitors associated with a 
+// *	device / attribute pair.  It maintains a back-pointer to the 
+// *	cdevMonitorTable object to allow it to call the fireCallback method of 
+// *	the parent in order to submit the reply.
+// *****************************************************************************
+class GENERIC_SERVER_API cdevMonitorNode
+{
+friend class cdevMonitorTable;
+
+protected:
+	// **********************************************************************
+	// * class cdevMonitorEntry :
+	// *	This is an individual monitor transaction that has been installed 
+	// *	in a cdevMonitorNode.
+	// **********************************************************************
+	class cdevMonitorEntry
+	{
+	friend class cdevMonitorNode;
+	private:
+		static int         VALUE_TAG;	
+		static int         STATUS_TAG;
+		static int         TIME_TAG;
+		static int         DEVICE_TAG; // *** Added for multi-device
+
+		cdevMonitorEntry * next;
+		cdevMessage      * message;
+		int              * triggers;
+		int              * trigType;
+		int                trigCnt;
+		int              * properties;
+		int                propCnt;
+		
+		int                deviceIdx;  // *** Added for multi-device
+			 
+		cdevMonitorEntry  ( cdevMessage * Message, int deviceIdx ); 
+		~cdevMonitorEntry ( void );
+	};
+	
+	class cdevMonitorTable * parent;
+	cdevMonitorEntry       * nodes;
+	cdevMonitorData          mData;
+	char                   * hashString;
+	
+	virtual int    fireMonitor          ( cdevMonitorEntry *entry, 
+				              int property, 
+				              cdevMonitorData * data,
+				              int endOfTransaction = 0);
+
+	virtual int    insertMonitor        ( cdevMessage * request, 
+				              cdevData    * data, 
+				              int           deviceIdx );
+
+	virtual int    removeMonitor        ( cdevMessage * request );
+	virtual int    removeMonitor        ( unsigned transIndex );
+	virtual int    removeClientMonitors ( short clientID, int fire = 1 );
+	char *         getHashString        ( void ) { return hashString; }
+
+public:
+	cdevMonitorNode                     ( cdevMonitorTable * Parent, 
+	                                      char             * Device, 
+	                                      char             * Attrib );
+	virtual ~cdevMonitorNode            ( void );
+
+	virtual int    fireMonitor          ( char * property, cdevData * data );
+	virtual int    fireMonitor          ( int property, cdevData * data );
+	int            isMonitored          ( void ) { return nodes==NULL?0:1; }
+};
+
+
+
+// *****************************************************************************
+// * class cdevMonitorTable :
+// *	This class is used to store the list of all monitors for all device /
+// *	attribute pairs in the system. The developer must provide the 
+// *	fireCallback method which will be used to submit the callback to the 
+// *	client.
+// *****************************************************************************
+class GENERIC_SERVER_API cdevMonitorTable
+{
+protected:
+	StringHash monitors;
+	
+public:
+	cdevMonitorTable                      ( void );
+	virtual ~cdevMonitorTable             ( void );
+	
+	virtual int               insertMonitor       ( cdevMessage * request, cdevData * data );
+	virtual int               insertMonitor       ( cdevMessage * request, cdevData ** data, size_t dataCnt );
+	virtual int               removeMonitor       ( cdevMessage * request );
+	virtual int               removeClientMonitors( short clientID, int fire = 1 );
+	virtual cdevMonitorNode * findMonitor         ( char * device, char * attrib );	
+	virtual int               fireMonitor         ( char * device, char * attrib, 
+	                                                char * property, cdevData * data );
+	virtual int               fireMonitor         ( char * device, char * attrib, 
+	                                                int property, cdevData * data );
+	virtual int               fireCallback        ( cdevMessage * message );
+};
+
+#endif