0915491925
- Added a drivable adapter to scriptcontext nodes - Added subsampling to simulated histograms (and as a general option) in order to support Gumtree testing.
45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/**
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* This is the sister module to sicspoll which defines the drivers for the
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* various modes of polling SICS objects.
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*
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* copyright: see file COPYRIGHT
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*
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* Mark Koennecke, November-December 2006
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*/
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#ifndef POLLDRIV_H_
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#define POLLDRIV_H_
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#include <time.h>
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#include <sics.h>
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/*==================== a data structure ===================================*/
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typedef struct __POLLDRIV{
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char *objectIdentifier; /* the object identifier */
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void *objPointer; /* a pointer to the object */
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time_t nextPoll; /* next polling time */
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int pollIntervall; /* poll intervall */
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int (*isDue)(struct __POLLDRIV *self, time_t now, SConnection *pCon);
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/* function called to determine if this object must be polled */
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int (*poll)(struct __POLLDRIV *self, SConnection *pCon);
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/* the actual polling function */
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void (*killObjPointer)(void *data);
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/* a function to possibly kill the objPointer. Can be NULL */
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}PollDriv, *pPollDriv;
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/*==================== the interface =====================================*/
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/*
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* make a poll driver
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* @param pCon A connection to report errors too
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* @param driver the driver type to generate
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* @param objectIdentifier An identifer for the object to poll
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* @param argc number of additional parameter
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* @param *argv[] Additional parameters.
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* @return NULL on failure or a PollDriv strucure else.
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*/
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pPollDriv makePollDriver(SConnection *pCon, char *driver,
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char *objectIdentifier, int argc, char *argv[]);
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/**
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* free all memory associated with this poll driver
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* @param self The structure to delete
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*/
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void deletePollDriv(pPollDriv self);
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#endif /*POLLDRIV_H_*/
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