diff options
Diffstat (limited to 'src/rrd.h')
| -rw-r--r-- | src/rrd.h | 460 |
1 files changed, 351 insertions, 109 deletions
@@ -3,20 +3,17 @@ #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_rrd_update_every; +extern int default_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" @@ -24,59 +21,61 @@ typedef long long total_number; // ---------------------------------------------------------------------------- // 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_NONE = 0, + RRD_MEMORY_MODE_RAM = 1, + RRD_MEMORY_MODE_MAP = 2, + RRD_MEMORY_MODE_SAVE = 3 +} RRD_MEMORY_MODE; + +#define RRD_MEMORY_MODE_NONE_NAME "none" #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 int rrd_memory_mode; +extern RRD_MEMORY_MODE default_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 - -extern int rrddim_algorithm_id(const char *name); -extern const char *rrddim_algorithm_name(int chart_type); - -// ---------------------------------------------------------------------------- -// flags +#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" -#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 +extern RRD_ALGORITHM rrd_algorithm_id(const char *name); +extern const char *rrd_algorithm_name(RRD_ALGORITHM algorithm); // ---------------------------------------------------------------------------- -// RRD CONTEXT +// RRD FAMILY struct rrdfamily { avl avl; @@ -90,8 +89,25 @@ struct rrdfamily { }; typedef struct rrdfamily RRDFAMILY; + +// ---------------------------------------------------------------------------- +// flags +// use this for configuration flags, not for state control +// flags are set/unset in a manner that is not thread safe +// and may lead to missing information. + +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_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 DIMENSION +// RRD DIMENSION - this is a metric struct rrddim { // ------------------------------------------------------------------------ @@ -102,18 +118,20 @@ 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 rrd_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; // configuration flags for the dimension // ------------------------------------------------------------------------ // members for temporary data we need for calculations @@ -122,17 +140,15 @@ struct rrddim { // instead of strcmp() every item in the binary index // we first compare the hashes - // FIXME - // we need the hash_name too! + uint32_t hash_name; // a simple hash of the name - uint32_t flags; + char *cache_filename; // the filename we load/save from/to this set - char cache_filename[FILENAME_MAX+1]; // the filename we load/save from/to this set + size_t collections_counter; // the number of times we added values to this rrdim + size_t unused[10]; - unsigned long counter; // the number of times we added values to this rrdim - - 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 + int updated:1; // 1 when the dimension has been updated since the last processing + int exposed:1; // 1 when set what have sent this dimension to the central netdata struct timeval last_collected_time; // when was this dimension last updated // this is actual date time we updated the last_collected_value @@ -163,7 +179,7 @@ struct rrddim { 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 @@ -176,9 +192,34 @@ struct rrddim { }; typedef struct rrddim RRDDIM; +// ---------------------------------------------------------------------------- +// these loop macros make sure the linked list is accessed with the right lock + +#define rrddim_foreach_read(rd, st) \ + for(rd = st->dimensions, rrdset_check_rdlock(st); rd ; rd = rd->next) + +#define rrddim_foreach_write(rd, st) \ + for(rd = st->dimensions, rrdset_check_wrlock(st); rd ; rd = rd->next) + // ---------------------------------------------------------------------------- -// RRDSET +// RRDSET - this is a chart + +// use this for configuration flags, not for state control +// flags are set/unset in a manner that is not thread safe +// and may lead to missing information. + +typedef enum rrdset_flags { + RRDSET_FLAG_ENABLED = 1 << 0, // enables or disables a chart + RRDSET_FLAG_DETAIL = 1 << 1, // if set, the data set should be considered as a detail of another + // (the master data set should be the one that has the same family and is not detail) + RRDSET_FLAG_DEBUG = 1 << 2, // enables or disables debugging for a chart + RRDSET_FLAG_OBSOLETE = 1 << 3 // this is marked by the collector/module as obsolete +} RRDSET_FLAGS; + +#define rrdset_flag_check(st, flag) ((st)->flags & flag) +#define rrdset_flag_set(st, flag) (st)->flags |= flag +#define rrdset_flag_clear(st, flag) (st)->flags &= ~flag struct rrdset { // ------------------------------------------------------------------------ @@ -197,6 +238,8 @@ struct rrdset { // since the config always has a higher priority // (the user overwrites the name of the charts) + char *config_section; // the config section for the chart + char *type; // the type of graph RRD_TYPE_* (a category, for determining graphing options) char *family; // grouping sets under the same family char *title; // title shown to user @@ -205,7 +248,7 @@ 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? @@ -214,30 +257,29 @@ struct rrdset { long current_entry; // the entry that is currently being updated // it goes around in a round-robin fashion - int enabled; + uint32_t flags; // configuration flags int gap_when_lost_iterations_above; // after how many lost iterations a gap should be stored // netdata will interpolate values for gaps lower than this long priority; - int isdetail; // if set, the data set should be considered as a detail of another - // (the master data set should be the one that has the same family and is not detail) // ------------------------------------------------------------------------ // members for temporary data we need for calculations - int mapped; // if set to 1, this is memory mapped - - int debug; + RRD_MEMORY_MODE rrd_memory_mode; // if set to 1, this is memory mapped char *cache_dir; // the directory to store dimensions char cache_filename[FILENAME_MAX+1]; // the filename to store this set - pthread_rwlock_t rwlock; + netdata_rwlock_t rrdset_rwlock; // protects dimensions linked list + + size_t counter; // the number of times we added values to this database + size_t counter_done; // the number of times rrdset_done() has been called - unsigned long counter; // the number of times we added values to this rrd - unsigned long counter_done; // the number of times we added values to this rrd + time_t last_accessed_time; // the last time this RRDSET has been accessed + size_t unused[9]; uint32_t hash; // a simple hash on the id, to speed up searching // we first compare hashes, and only if the hashes are equal we do string comparisons @@ -283,83 +325,248 @@ struct rrdset { }; typedef struct rrdset RRDSET; +#define rrdset_rdlock(st) netdata_rwlock_rdlock(&((st)->rrdset_rwlock)) +#define rrdset_wrlock(st) netdata_rwlock_wrlock(&((st)->rrdset_rwlock)) +#define rrdset_unlock(st) netdata_rwlock_unlock(&((st)->rrdset_rwlock)) + + +// ---------------------------------------------------------------------------- +// these loop macros make sure the linked list is accessed with the right lock + +#define rrdset_foreach_read(st, host) \ + for(st = host->rrdset_root, rrdhost_check_rdlock(host); st ; st = st->next) + +#define rrdset_foreach_write(st, host) \ + for(st = host->rrdset_root, rrdhost_check_wrlock(host); st ; st = st->next) + + +// ---------------------------------------------------------------------------- +// RRDHOST flags +// use this for configuration flags, not for state control +// flags are set/unset in a manner that is not thread safe +// and may lead to missing information. + +typedef enum rrdhost_flags { + RRDHOST_ORPHAN = 1 << 0, // this host is orphan + RRDHOST_DELETE_OBSOLETE_FILES = 1 << 1, // delete files of obsolete charts + RRDHOST_DELETE_ORPHAN_FILES = 1 << 2 // delete the entire host when orphan +} RRDHOST_FLAGS; + +#define rrdhost_flag_check(host, flag) ((host)->flags & flag) +#define rrdhost_flag_set(host, flag) (host)->flags |= flag +#define rrdhost_flag_clear(host, flag) (host)->flags &= ~flag + // ---------------------------------------------------------------------------- // RRD HOST struct rrdhost { - avl avl; + avl avl; // the index of hosts - char *hostname; + // ------------------------------------------------------------------------ + // host information - RRDSET *rrdset_root; - pthread_rwlock_t rrdset_root_rwlock; + char *hostname; // the hostname of this host + uint32_t hash_hostname; // the hostname hash - avl_tree_lock rrdset_root_index; - avl_tree_lock rrdset_root_index_name; + 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 rrdfamily_root_index; - avl_tree_lock variables_root_index; + char *os; // the O/S type of the host + + uint32_t flags; // flags about this RRDHOST + + int rrd_update_every; // the update frequency of the host + long rrd_history_entries; // the number of history entries for the host's charts + RRD_MEMORY_MODE rrd_memory_mode; // the memory more for the charts of this host + + char *cache_dir; // the directory to save RRD cache files + char *varlib_dir; // the directory to save health log + + + // ------------------------------------------------------------------------ + // streaming of data to remote hosts - rrdpush + + int rrdpush_enabled:1; // 1 when this host sends metrics to another netdata + char *rrdpush_destination; // where to send metrics to + char *rrdpush_api_key; // the api key at the receiving netdata + volatile int rrdpush_connected:1; // 1 when the sender is ready to push metrics + volatile int rrdpush_spawn:1; // 1 when the sender thread has been spawn + volatile int rrdpush_error_shown:1; // 1 when we have logged a communication error + int rrdpush_socket; // the fd of the socket to the remote host, or -1 + pthread_t rrdpush_thread; // the sender thread + netdata_mutex_t rrdpush_mutex; // exclusive access to rrdpush_buffer + int rrdpush_pipe[2]; // collector to sender thread communication + BUFFER *rrdpush_buffer; // collector fills it, sender sends them + + + // ------------------------------------------------------------------------ + // streaming of data from remote hosts - rrdpush + + volatile size_t connected_senders; // when remote hosts are streaming to this + // host, this is the counter of connected clients + + time_t senders_disconnected_time; // the time the last sender was disconnected + + // ------------------------------------------------------------------------ + // health monitoring options + + int health_enabled:1; // 1 when this host has health enabled + time_t health_delay_up_to; // a timestamp to delay alarms processing up to + char *health_default_exec; // the full path of the alarms notifications program + char *health_default_recipient; // the default recipient for all alarms + char *health_log_filename; // the alarms event log filename + size_t health_log_entries_written; // the number of alarm events writtern to the alarms event log + FILE *health_log_fp; // the FILE pointer to the open alarms event log file // 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; + + + // ------------------------------------------------------------------------ + // the charts of the host + + RRDSET *rrdset_root; // the host charts + + + // ------------------------------------------------------------------------ + // locks + + netdata_rwlock_t rrdhost_rwlock; // lock for this RRDHOST (protects rrdset_root linked list) + + 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 + + struct rrdhost *next; }; typedef struct rrdhost RRDHOST; -extern RRDHOST localhost; -extern void rrdhost_init(char *hostname); +extern RRDHOST *localhost; + +#define rrdhost_rdlock(host) netdata_rwlock_rdlock(&((host)->rrdhost_rwlock)) +#define rrdhost_wrlock(host) netdata_rwlock_wrlock(&((host)->rrdhost_rwlock)) +#define rrdhost_unlock(host) netdata_rwlock_unlock(&((host)->rrdhost_rwlock)) + +// ---------------------------------------------------------------------------- +// these loop macros make sure the linked list is accessed with the right lock + +#define rrdhost_foreach_read(var) \ + for(var = localhost, rrd_check_rdlock(); var ; var = var->next) + +#define rrdhost_foreach_write(var) \ + for(var = localhost, rrd_check_wrlock(); var ; var = var->next) + + +// ---------------------------------------------------------------------------- +// global lock for all RRDHOSTs + +extern netdata_rwlock_t rrd_rwlock; + +#define rrd_rdlock() netdata_rwlock_rdlock(&rrd_rwlock) +#define rrd_wrlock() netdata_rwlock_wrlock(&rrd_rwlock) +#define rrd_unlock() netdata_rwlock_unlock(&rrd_rwlock) + +// ---------------------------------------------------------------------------- + +extern size_t rrd_hosts_available; +extern time_t rrdhost_free_orphan_time; + +extern void rrd_init(char *hostname); + +extern RRDHOST *rrdhost_find_by_hostname(const char *hostname, uint32_t hash); +extern RRDHOST *rrdhost_find_by_guid(const char *guid, uint32_t hash); + +extern RRDHOST *rrdhost_find_or_create( + const char *hostname + , const char *guid + , const char *os + , int update_every + , long history + , RRD_MEMORY_MODE mode + , int health_enabled + , int rrdpush_enabled + , char *rrdpush_destination + , char *rrdpush_api_key +); + +#if defined(NETDATA_INTERNAL_CHECKS) && defined(NETDATA_VERIFY_LOCKS) +extern void __rrdhost_check_wrlock(RRDHOST *host, const char *file, const char *function, const unsigned long line); +extern void __rrdhost_check_rdlock(RRDHOST *host, const char *file, const char *function, const unsigned long line); +extern void __rrdset_check_rdlock(RRDSET *st, const char *file, const char *function, const unsigned long line); +extern void __rrdset_check_wrlock(RRDSET *st, const char *file, const char *function, const unsigned long line); +extern void __rrd_check_rdlock(const char *file, const char *function, const unsigned long line); +extern void __rrd_check_wrlock(const char *file, const char *function, const unsigned long line); + +#define rrdhost_check_rdlock(host) __rrdhost_check_rdlock(host, __FILE__, __FUNCTION__, __LINE__) +#define rrdhost_check_wrlock(host) __rrdhost_check_wrlock(host, __FILE__, __FUNCTION__, __LINE__) +#define rrdset_check_rdlock(st) __rrdset_check_rdlock(st, __FILE__, __FUNCTION__, __LINE__) +#define rrdset_check_wrlock(st) __rrdset_check_wrlock(st, __FILE__, __FUNCTION__, __LINE__) +#define rrd_check_rdlock() __rrd_check_rdlock(__FILE__, __FUNCTION__, __LINE__) +#define rrd_check_wrlock() __rrd_check_wrlock(__FILE__, __FUNCTION__, __LINE__) -#ifdef NETDATA_INTERNAL_CHECKS -#define rrdhost_check_wrlock(host) rrdhost_check_wrlock_int(host, __FILE__, __FUNCTION__, __LINE__) -#define rrdhost_check_rdlock(host) rrdhost_check_rdlock_int(host, __FILE__, __FUNCTION__, __LINE__) #else #define rrdhost_check_rdlock(host) (void)0 #define rrdhost_check_wrlock(host) (void)0 +#define rrdset_check_rdlock(host) (void)0 +#define rrdset_check_wrlock(host) (void)0 +#define rrd_check_rdlock() (void)0 +#define rrd_check_wrlock() (void)0 #endif -extern void rrdhost_check_wrlock_int(RRDHOST *host, const char *file, const char *function, const unsigned long line); -extern void rrdhost_check_rdlock_int(RRDHOST *host, const char *file, const char *function, const unsigned long line); - -extern void rrdhost_rwlock(RRDHOST *host); -extern void rrdhost_rdlock(RRDHOST *host); -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 + , RRDSET_TYPE 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 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_all(void); +extern void rrdhost_save_all(void); + +extern void rrdhost_cleanup_orphan(RRDHOST *protected); +extern void rrdhost_free(RRDHOST *host); +extern void rrdhost_save(RRDHOST *host); +extern void rrdhost_delete(RRDHOST *host); + +extern RRDSET *rrdset_find(RRDHOST *host, const char *id); +#define rrdset_find_localhost(id) rrdset_find(localhost, id) -extern void rrdset_free_all(void); -extern void rrdset_save_all(void); +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(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_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); #define rrdset_next(st) rrdset_next_usec(st, 0ULL) -extern usec_t rrdset_done(RRDSET *st); +extern void rrdset_done(RRDSET *st); + +// checks if the RRDSET should be offered to viewers +#define rrdset_is_available_for_viewers(st) (rrdset_flag_check(st, RRDSET_FLAG_ENABLED) && !rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE) && (st)->dimensions) // get the total duration in seconds of the round robin database #define rrdset_duration(st) ((time_t)( (((st)->counter >= ((unsigned long)(st)->entries))?(unsigned long)(st)->entries:(st)->counter) * (st)->update_every )) @@ -397,11 +604,9 @@ extern usec_t rrdset_done(RRDSET *st); // ---------------------------------------------------------------------------- // 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); @@ -410,4 +615,41 @@ extern int rrddim_unhide(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); +extern long align_entries_to_pagesize(RRD_MEMORY_MODE mode, long entries); + + +// ---------------------------------------------------------------------------- +// 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, const char *config_section); + +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); + +extern void rrdset_free(RRDSET *st); +extern void rrdset_reset(RRDSET *st); +extern void rrdset_save(RRDSET *st); +extern void rrdset_delete(RRDSET *st); + +extern void rrdhost_cleanup_obsolete(RRDHOST *host); + +#endif /* NETDATA_RRD_INTERNALS */ + + #endif /* NETDATA_RRD_H */ |