#define UPDATE_EVERY 1
#define UPDATE_EVERY_MAX 3600
-extern int rrd_update_every;
#define RRD_DEFAULT_HISTORY_ENTRIES 3600
#define RRD_HISTORY_ENTRIES_MAX (86400*10)
-extern int rrd_default_history_entries;
-// time in seconds to delete unupdated dimensions
-// set to zero to disable this feature
-extern int rrd_delete_unupdated_dimensions;
+extern int default_localhost_rrd_update_every;
+extern int default_localhost_rrd_history_entries;
-#define RRD_ID_LENGTH_MAX 400
+#define RRD_ID_LENGTH_MAX 200
-#define RRDSET_MAGIC "NETDATA RRD SET FILE V018"
-#define RRDDIMENSION_MAGIC "NETDATA RRD DIMENSION FILE V018"
+#define RRDSET_MAGIC "NETDATA RRD SET FILE V019"
+#define RRDDIMENSION_MAGIC "NETDATA RRD DIMENSION FILE V019"
typedef long long total_number;
#define TOTAL_NUMBER_FORMAT "%lld"
// ----------------------------------------------------------------------------
// chart types
+typedef enum rrdset_type {
+ RRDSET_TYPE_LINE = 0,
+ RRDSET_TYPE_AREA = 1,
+ RRDSET_TYPE_STACKED = 2
+} RRDSET_TYPE;
+
#define RRDSET_TYPE_LINE_NAME "line"
#define RRDSET_TYPE_AREA_NAME "area"
#define RRDSET_TYPE_STACKED_NAME "stacked"
-#define RRDSET_TYPE_LINE 0
-#define RRDSET_TYPE_AREA 1
-#define RRDSET_TYPE_STACKED 2
-
-int rrdset_type_id(const char *name);
-const char *rrdset_type_name(int chart_type);
+RRDSET_TYPE rrdset_type_id(const char *name);
+const char *rrdset_type_name(RRDSET_TYPE chart_type);
// ----------------------------------------------------------------------------
// memory mode
+typedef enum rrd_memory_mode {
+ RRD_MEMORY_MODE_RAM = 0,
+ RRD_MEMORY_MODE_MAP = 1,
+ RRD_MEMORY_MODE_SAVE = 2
+} RRD_MEMORY_MODE;
+
#define RRD_MEMORY_MODE_RAM_NAME "ram"
#define RRD_MEMORY_MODE_MAP_NAME "map"
#define RRD_MEMORY_MODE_SAVE_NAME "save"
-#define RRD_MEMORY_MODE_RAM 0
-#define RRD_MEMORY_MODE_MAP 1
-#define RRD_MEMORY_MODE_SAVE 2
+extern RRD_MEMORY_MODE default_localhost_rrd_memory_mode;
-extern int rrd_memory_mode;
-
-extern const char *rrd_memory_mode_name(int id);
-extern int rrd_memory_mode_id(const char *name);
+extern const char *rrd_memory_mode_name(RRD_MEMORY_MODE id);
+extern RRD_MEMORY_MODE rrd_memory_mode_id(const char *name);
// ----------------------------------------------------------------------------
// algorithms types
-#define RRDDIM_ABSOLUTE_NAME "absolute"
-#define RRDDIM_INCREMENTAL_NAME "incremental"
-#define RRDDIM_PCENT_OVER_DIFF_TOTAL_NAME "percentage-of-incremental-row"
-#define RRDDIM_PCENT_OVER_ROW_TOTAL_NAME "percentage-of-absolute-row"
+typedef enum rrd_algorithm {
+ RRD_ALGORITHM_ABSOLUTE = 0,
+ RRD_ALGORITHM_INCREMENTAL = 1,
+ RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL = 2,
+ RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL = 3
+} RRD_ALGORITHM;
-#define RRDDIM_ABSOLUTE 0
-#define RRDDIM_INCREMENTAL 1
-#define RRDDIM_PCENT_OVER_DIFF_TOTAL 2
-#define RRDDIM_PCENT_OVER_ROW_TOTAL 3
+#define RRD_ALGORITHM_ABSOLUTE_NAME "absolute"
+#define RRD_ALGORITHM_INCREMENTAL_NAME "incremental"
+#define RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL_NAME "percentage-of-incremental-row"
+#define RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL_NAME "percentage-of-absolute-row"
-extern int rrddim_algorithm_id(const char *name);
-extern const char *rrddim_algorithm_name(int chart_type);
+extern RRD_ALGORITHM rrd_algorithm_id(const char *name);
+extern const char *rrd_algorithm_name(RRD_ALGORITHM algorithm);
// ----------------------------------------------------------------------------
// flags
-#define RRDDIM_FLAG_HIDDEN 0x00000001 // this dimension will not be offered to callers
-#define RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS 0x00000002 // do not offer RESET or OVERFLOW info to callers
+typedef enum rrddim_flags {
+ RRDDIM_FLAG_HIDDEN = 1 << 0, // this dimension will not be offered to callers
+ RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS = 1 << 1, // do not offer RESET or OVERFLOW info to callers
+ RRDDIM_FLAG_UPDATED = 1 << 31 // the dimension has been updated since the last processing
+} RRDDIM_FLAGS;
+
+#define rrddim_flag_check(rd, flag) ((rd)->flags & flag)
+#define rrddim_flag_set(rd, flag) (rd)->flags |= flag
+#define rrddim_flag_clear(rd, flag) (rd)->flags &= ~flag
+
// ----------------------------------------------------------------------------
-// RRD CONTEXT
+// RRD FAMILY
struct rrdfamily {
avl avl;
};
typedef struct rrdfamily RRDFAMILY;
+
// ----------------------------------------------------------------------------
-// RRD DIMENSION
+// RRD DIMENSION - this is a metric
struct rrddim {
// ------------------------------------------------------------------------
// ------------------------------------------------------------------------
// the dimension definition
- char id[RRD_ID_LENGTH_MAX + 1]; // the id of this dimension (for internal identification)
-
+ const char *id; // the id of this dimension (for internal identification)
const char *name; // the name of this dimension (as presented to user)
// this is a pointer to the config structure
// since the config always has a higher priority
// (the user overwrites the name of the charts)
+ // DO NOT FREE THIS - IT IS ALLOCATED IN CONFIG
+
+ RRD_ALGORITHM algorithm; // the algorithm that is applied to add new collected values
+ RRD_MEMORY_MODE memory_mode; // the memory mode for this dimension
- int algorithm; // the algorithm that is applied to add new collected values
- long multiplier; // the multiplier of the collected values
- long divisor; // the divider of the collected values
+ collected_number multiplier; // the multiplier of the collected values
+ collected_number divisor; // the divider of the collected values
- int mapped; // if set to non zero, this dimension is mapped to a file
+ uint32_t flags; // options and status options for the dimension
// ------------------------------------------------------------------------
// members for temporary data we need for calculations
// instead of strcmp() every item in the binary index
// we first compare the hashes
- // FIXME
- // we need the hash_name too!
-
- uint32_t flags;
-
- char cache_filename[FILENAME_MAX+1]; // the filename we load/save from/to this set
+ uint32_t hash_name; // a simple hash of the name
- unsigned long counter; // the number of times we added values to this rrdim
+ char *cache_filename; // the filename we load/save from/to this set
- int updated; // set to 0 after each calculation, to 1 after each collected value
- // we use this to detect that a dimension is not updated
+ size_t counter; // the number of times we added values to this rrdim
struct timeval last_collected_time; // when was this dimension last updated
// this is actual date time we updated the last_collected_value
int update_every; // every how many seconds is this updated
- unsigned long memsize; // the memory allocated for this dimension
+ size_t memsize; // the memory allocated for this dimension
char magic[sizeof(RRDDIMENSION_MAGIC) + 1]; // a string to be saved, used to identify our data file
// ----------------------------------------------------------------------------
-// RRDSET
+// RRDSET - this is a chart
struct rrdset {
// ------------------------------------------------------------------------
char *context; // the template of this data set
uint32_t hash_context;
- int chart_type;
+ RRDSET_TYPE chart_type;
int update_every; // every how many seconds is this updated?
// RRD HOST
struct rrdhost {
- avl avl;
+ avl avl; // the index of hosts
- char *hostname;
+ char *hostname; // the hostname of this host
+ uint32_t hash_hostname; // the hostname hash
- RRDSET *rrdset_root;
- pthread_rwlock_t rrdset_root_rwlock;
+ char machine_guid[GUID_LEN + 1]; // the unique ID of this host
+ uint32_t hash_machine_guid; // the hash of the unique ID
- avl_tree_lock rrdset_root_index;
- avl_tree_lock rrdset_root_index_name;
+ int rrd_update_every; // the update frequency of the host
+ int rrd_history_entries; // the number of history entries for the host's charts
- avl_tree_lock rrdfamily_root_index;
- avl_tree_lock variables_root_index;
+ int health_enabled; // 1 when this host has health enabled
+ RRD_MEMORY_MODE rrd_memory_mode; // the memory more for the charts of this host
+
+ RRDSET *rrdset_root; // the host charts
+ pthread_rwlock_t rrdset_root_rwlock; // lock for the host charts
+
+ avl_tree_lock rrdset_root_index; // the host's charts index (by id)
+ avl_tree_lock rrdset_root_index_name; // the host's charts index (by name)
+
+ avl_tree_lock rrdfamily_root_index; // the host's chart families index
+ avl_tree_lock variables_root_index; // the host's chart variables index
// all RRDCALCs are primarily allocated and linked here
// RRDCALCs may be linked to charts at any point
// (charts may or may not exist when these are loaded)
RRDCALC *alarms;
- ALARM_LOG health_log;
+ ALARM_LOG health_log; // alarms historical events (event log)
+
+ // templates of alarms
+ // these are used to create alarms when charts
+ // are created or renamed, that match them
RRDCALCTEMPLATE *templates;
+
+ // health / alarm settings
+ char *health_default_exec;
+ char *health_default_recipient;
+ char *health_log_filename;
+ size_t health_log_entries_written;
+ FILE *health_log_fp;
+
+ struct rrdhost *next;
};
typedef struct rrdhost RRDHOST;
-extern RRDHOST localhost;
-extern void rrdhost_init(char *hostname);
+
+extern RRDHOST *localhost;
+
+extern void rrd_init(char *hostname);
+
+extern RRDHOST *rrdhost_find(const char *guid, uint32_t hash);
+extern RRDHOST *rrdhost_find_or_create(const char *hostname, const char *guid);
#ifdef NETDATA_INTERNAL_CHECKS
#define rrdhost_check_wrlock(host) rrdhost_check_wrlock_int(host, __FILE__, __FUNCTION__, __LINE__)
extern void rrdhost_unlock(RRDHOST *host);
// ----------------------------------------------------------------------------
-// RRD SET functions
+// RRDSET functions
-extern char *rrdset_strncpyz_name(char *to, const char *from, size_t length);
extern void rrdset_set_name(RRDSET *st, const char *name);
-extern char *rrdset_cache_dir(const char *id);
+extern RRDSET *rrdset_create(RRDHOST *host
+ , const char *type
+ , const char *id
+ , const char *name
+ , const char *family
+ , const char *context
+ , const char *title
+ , const char *units
+ , long priority
+ , int update_every
+ , int chart_type);
-extern void rrdset_reset(RRDSET *st);
+#define rrdset_create_localhost(type, id, name, family, context, title, units, priority, update_every, chart_type) rrdset_create(localhost, type, id, name, family, context, title, units, priority, update_every, chart_type)
+
+extern void rrdhost_free_all(void);
+extern void rrdhost_save_all(void);
-extern RRDSET *rrdset_create(const char *type
- , const char *id
- , const char *name
- , const char *family
- , const char *context
- , const char *title
- , const char *units
- , long priority
- , int update_every
- , int chart_type);
+extern void rrdhost_free(RRDHOST *host);
+extern void rrdhost_save(RRDHOST *host);
-extern void rrdset_free_all(void);
-extern void rrdset_save_all(void);
+extern RRDSET *rrdset_find(RRDHOST *host, const char *id);
+#define rrdset_find_localhost(id) rrdset_find(localhost, id)
-extern RRDSET *rrdset_find(const char *id);
-extern RRDSET *rrdset_find_bytype(const char *type, const char *id);
-extern RRDSET *rrdset_find_byname(const char *name);
+extern RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *id);
+#define rrdset_find_bytype_localhost(type, id) rrdset_find_bytype(localhost, type, id)
+
+extern RRDSET *rrdset_find_byname(RRDHOST *host, const char *name);
+#define rrdset_find_byname_localhost(name) rrdset_find_byname(localhost, name)
extern void rrdset_next_usec_unfiltered(RRDSET *st, usec_t microseconds);
extern void rrdset_next_usec(RRDSET *st, usec_t microseconds);
// ----------------------------------------------------------------------------
// RRD DIMENSION functions
-extern RRDDIM *rrddim_add(RRDSET *st, const char *id, const char *name, long multiplier, long divisor, int algorithm);
+extern RRDDIM *rrddim_add(RRDSET *st, const char *id, const char *name, collected_number multiplier, collected_number divisor, RRD_ALGORITHM algorithm);
extern void rrddim_set_name(RRDSET *st, RRDDIM *rd, const char *name);
-extern void rrddim_free(RRDSET *st, RRDDIM *rd);
-
extern RRDDIM *rrddim_find(RRDSET *st, const char *id);
extern int rrddim_hide(RRDSET *st, const char *id);
extern collected_number rrddim_set_by_pointer(RRDSET *st, RRDDIM *rd, collected_number value);
extern collected_number rrddim_set(RRDSET *st, const char *id, collected_number value);
+
+// ----------------------------------------------------------------------------
+// RRD internal functions
+
+#ifdef NETDATA_RRD_INTERNALS
+
+extern avl_tree_lock rrdhost_root_index;
+
+extern char *rrdset_strncpyz_name(char *to, const char *from, size_t length);
+extern char *rrdset_cache_dir(RRDHOST *host, const char *id);
+
+extern void rrdset_reset(RRDSET *st);
+
+extern void rrddim_free(RRDSET *st, RRDDIM *rd);
+
+extern int rrddim_compare(void* a, void* b);
+extern int rrdset_compare(void* a, void* b);
+extern int rrdset_compare_name(void* a, void* b);
+extern int rrdfamily_compare(void *a, void *b);
+
+extern RRDFAMILY *rrdfamily_create(RRDHOST *host, const char *id);
+extern void rrdfamily_free(RRDHOST *host, RRDFAMILY *rc);
+
+#define rrdset_index_add(host, st) (RRDSET *)avl_insert_lock(&((host)->rrdset_root_index), (avl *)(st))
+#define rrdset_index_del(host, st) (RRDSET *)avl_remove_lock(&((host)->rrdset_root_index), (avl *)(st))
+extern RRDSET *rrdset_index_del_name(RRDHOST *host, RRDSET *st);
+
+#endif /* NETDATA_RRD_INTERNALS */
+
+
#endif /* NETDATA_RRD_H */
projects / netdata.git / blobdiff