MidasHistory Class Reference

Inheritance diagram for MidasHistory:

Collaboration diagram for MidasHistory:

Public Member Functions
	MidasHistory ()
	~MidasHistory ()
int	hs_connect (const char *path)
	returns HS_SUCCESS
int	hs_disconnect ()
	disconnect from history, returns HS_SUCCESS
int	hs_set_debug (int debug)
	set debug level, returns previous debug level
int	hs_clear_cache ()
	clear internal cache, returns HS_SUCCESS
int	FindEventId (const char *event_name)
int	AllocateEventId (const char *event_name)
int	CreateOdbTags (int event_id, const char *event_name, int ntags, const TAG tags[])
int	hs_define_event (const char *event_name, time_t timestamp, int ntags, const TAG tags[])
	see hs_define_event(), returns HS_SUCCESS or HS_FILE_ERROR
int	hs_write_event (const char *event_name, time_t timestamp, int data_size, const char *data)
	see hs_write_event(), returns HS_SUCCESS or HS_FILE_ERROR
int	hs_flush_buffers ()
	flush buffered data to storage where it is visible to mhttpd
int	GetEventsFromOdbEvents (std::vector< std::string > *events)
int	GetEventsFromOdbTags (std::vector< std::string > *events)
int	hs_get_events (time_t t, std::vector< std::string > *pevents)
	get list of events that exist(ed) at given time and later (value 0 means "return all events from beginning of time"), returns HS_SUCCESS
int	GetEventIdFromHS (time_t ltime, const char *evname, const char *tagname)
int	GetEventIdFromOdbTags (const char *evname, const char *tagname)
int	GetEventId (time_t t, const char *event_name, const char *tag_name, int *pevid)
int	GetTagsFromHS (const char *event_name, std::vector< TAG > *ptags)
int	GetTagsFromOdb (const char *event_name, std::vector< TAG > *ptags)
int	hs_get_tags (const char *event_name, time_t t, std::vector< TAG > *ptags)
	get list of history variables for given event (use event names returned by hs_get_events()) that exist(ed) at given time and later (value 0 means "all variables for this event that ever existed"), also see hs_get_tags(), returns HS_SUCCESS
int	hs_get_last_written (time_t start_time, int num_var, const char *const event_name[], const char *const tag_name[], const int var_index[], time_t last_written[])
int	hs_read (time_t start_time, time_t end_time, time_t interval, int num_var, const char *const event_name[], const char *const tag_name[], const int var_index[], int num_entries[], time_t *time_buffer[], double *data_buffer[], int read_status[])
	see hs_read(), returns HS_SUCCESS
int	hs_read_buffer (time_t start_time, time_t end_time, int num_var, const char *const event_name[], const char *const tag_name[], const int var_index[], MidasHistoryBufferInterface *buffer[], int read_status[])
	returns HS_SUCCESS
int	hs_read_binned (time_t start_time, time_t end_time, int num_bins, int num_var, const char *const event_name[], const char *const tag_name[], const int var_index[], int num_entries[], int *count_bins[], double *mean_bins[], double *rms_bins[], double *min_bins[], double *max_bins[], time_t *bins_first_time[], double *bins_first_value[], time_t *bins_last_time[], double *bins_last_value[], time_t last_time[], double last_value[], int read_status[])
	returns HS_SUCCESS
Public Member Functions inherited from MidasHistoryInterface
	MidasHistoryInterface ()
	history type: MIDAS, ODBC, SQLITE, etc
virtual	~MidasHistoryInterface ()

Public Attributes
HNDLE	fDB
int	fDebug
std::vector< std::string >	fEventsCache
std::map< std::string, std::vector< TAG > >	fTagsCache
std::map< std::string, int >	fEvidCache
Public Attributes inherited from MidasHistoryInterface
char	name [NAME_LENGTH]
char	type [NAME_LENGTH]
	history channel name

Detailed Description

dox dox

Definition at line 2217 of file history.cxx.

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The documentation for this class was generated from the following file:

• src/history.cxx