diff options
Diffstat (limited to 'src/rrd.h')
| -rw-r--r-- | src/rrd.h | 747 |
1 files changed, 0 insertions, 747 deletions
diff --git a/src/rrd.h b/src/rrd.h deleted file mode 100644 index d17daacd..00000000 --- a/src/rrd.h +++ /dev/null @@ -1,747 +0,0 @@ -#ifndef NETDATA_RRD_H -#define NETDATA_RRD_H 1 - -#define UPDATE_EVERY 1 -#define UPDATE_EVERY_MAX 3600 - -#define RRD_DEFAULT_HISTORY_ENTRIES 3600 -#define RRD_HISTORY_ENTRIES_MAX (86400*365) - -extern int default_rrd_update_every; -extern int default_rrd_history_entries; -extern int gap_when_lost_iterations_above; - -#define RRD_ID_LENGTH_MAX 200 - -#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" - -typedef struct rrdhost RRDHOST; - -// ---------------------------------------------------------------------------- -// 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" - -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_ALLOC = 4 -} 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_ALLOC_NAME "alloc" - -extern RRD_MEMORY_MODE default_rrd_memory_mode; - -extern const char *rrd_memory_mode_name(RRD_MEMORY_MODE id); -extern RRD_MEMORY_MODE rrd_memory_mode_id(const char *name); - - -// ---------------------------------------------------------------------------- -// algorithms types - -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 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 RRD_ALGORITHM rrd_algorithm_id(const char *name); -extern const char *rrd_algorithm_name(RRD_ALGORITHM algorithm); - -// ---------------------------------------------------------------------------- -// RRD FAMILY - -struct rrdfamily { - avl avl; - - const char *family; - uint32_t hash_family; - - size_t use_count; - - avl_tree_lock rrdvar_root_index; -}; -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_NONE = 0, - 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; - -#ifdef HAVE_C___ATOMIC -#define rrddim_flag_check(rd, flag) (__atomic_load_n(&((rd)->flags), __ATOMIC_SEQ_CST) & (flag)) -#define rrddim_flag_set(rd, flag) __atomic_or_fetch(&((rd)->flags), (flag), __ATOMIC_SEQ_CST) -#define rrddim_flag_clear(rd, flag) __atomic_and_fetch(&((rd)->flags), ~(flag), __ATOMIC_SEQ_CST) -#else -#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) -#endif - - -// ---------------------------------------------------------------------------- -// RRD DIMENSION - this is a metric - -struct rrddim { - // ------------------------------------------------------------------------ - // binary indexing structures - - avl avl; // the binary index - this has to be first member! - - // ------------------------------------------------------------------------ - // the dimension definition - - 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 - - collected_number multiplier; // the multiplier of the collected values - collected_number divisor; // the divider of the collected values - - uint32_t flags; // configuration flags for the dimension - - // ------------------------------------------------------------------------ - // members for temporary data we need for calculations - - uint32_t hash; // a simple hash of the id, to speed up searching / indexing - // instead of strcmp() every item in the binary index - // we first compare the hashes - - uint32_t hash_name; // a simple hash of the name - - char *cache_filename; // 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]; - - 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 - // THIS IS DIFFERENT FROM THE SAME MEMBER OF RRDSET - - calculated_number calculated_value; // the current calculated value, after applying the algorithm - resets to zero after being used - calculated_number last_calculated_value; // the last calculated value processed - - calculated_number last_stored_value; // the last value as stored in the database (after interpolation) - - collected_number collected_value; // the current value, as collected - resets to 0 after being used - collected_number last_collected_value; // the last value that was collected, after being processed - - // the *_volume members are used to calculate the accuracy of the rounding done by the - // storage number - they are printed to debug.log when debug is enabled for a set. - calculated_number collected_volume; // the sum of all collected values so far - calculated_number stored_volume; // the sum of all stored values so far - - struct rrddim *next; // linking of dimensions within the same data set - struct rrdset *rrdset; - - // ------------------------------------------------------------------------ - // members for checking the data when loading from disk - - long entries; // how many entries this dimension has in ram - // this is the same to the entries of the data set - // we set it here, to check the data when we load it from disk. - - int update_every; // every how many seconds is this updated - - 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 - - struct rrddimvar *variables; - - // ------------------------------------------------------------------------ - // the values stored in this dimension, using our floating point numbers - - storage_number values[]; // the array of values - THIS HAS TO BE THE LAST MEMBER -}; -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 - 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_FLAG_BACKEND_SEND = 1 << 4, // if set, this chart should be sent to backends - RRDSET_FLAG_BACKEND_IGNORE = 1 << 5, // if set, this chart should not be sent to backends - RRDSET_FLAG_EXPOSED_UPSTREAM = 1 << 6, // if set, we have sent this chart to netdata master (streaming) - RRDSET_FLAG_STORE_FIRST = 1 << 7, // if set, do not eliminate the first collection during interpolation - RRDSET_FLAG_HETEROGENEOUS = 1 << 8, // if set, the chart is not homogeneous (dimensions in it have multiple algorithms, multipliers or dividers) - RRDSET_FLAG_HOMEGENEOUS_CHECK= 1 << 9, // if set, the chart should be checked to determine if the dimensions as homogeneous - RRDSET_FLAG_HIDDEN = 1 << 10, // if set, do not show this chart on the dashboard, but use it for backends -} RRDSET_FLAGS; - -#ifdef HAVE_C___ATOMIC -#define rrdset_flag_check(st, flag) (__atomic_load_n(&((st)->flags), __ATOMIC_SEQ_CST) & (flag)) -#define rrdset_flag_set(st, flag) __atomic_or_fetch(&((st)->flags), flag, __ATOMIC_SEQ_CST) -#define rrdset_flag_clear(st, flag) __atomic_and_fetch(&((st)->flags), ~flag, __ATOMIC_SEQ_CST) -#else -#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) -#endif - -struct rrdset { - // ------------------------------------------------------------------------ - // binary indexing structures - - avl avl; // the index, with key the id - this has to be first! - avl avlname; // the index, with key the name - - // ------------------------------------------------------------------------ - // the set configuration - - char id[RRD_ID_LENGTH_MAX + 1]; // id of the data set - - 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) - - 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 - char *units; // units of measurement - - char *context; // the template of this data set - uint32_t hash_context; // the hash of the chart's context - - RRDSET_TYPE chart_type; // line, area, stacked - - int update_every; // every how many seconds is this updated? - - long entries; // total number of entries in the data set - - long current_entry; // the entry that is currently being updated - // it goes around in a round-robin fashion - - 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; // the sorting priority of this chart - - - // ------------------------------------------------------------------------ - // members for temporary data we need for calculations - - 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 - - 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 - - time_t last_accessed_time; // the last time this RRDSET has been accessed - time_t upstream_resync_time; // the timestamp up to which we should resync clock upstream - - char *plugin_name; // the name of the plugin that generated this - char *module_name; // the name of the plugin module that generated this - - size_t unused[6]; - - 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 - - uint32_t hash_name; // a simple hash on the name - - usec_t usec_since_last_update; // the time in microseconds since the last collection of data - - struct timeval last_updated; // when this data set was last updated (updated every time the rrd_stats_done() function) - struct timeval last_collected_time; // when did this data set last collected values - - total_number collected_total; // used internally to calculate percentages - total_number last_collected_total; // used internally to calculate percentages - - RRDFAMILY *rrdfamily; // pointer to RRDFAMILY this chart belongs to - RRDHOST *rrdhost; // pointer to RRDHOST this chart belongs to - - struct rrdset *next; // linking of rrdsets - - // ------------------------------------------------------------------------ - // local variables - - calculated_number green; // green threshold for this chart - calculated_number red; // red threshold for this chart - - avl_tree_lock rrdvar_root_index; // RRDVAR index for this chart - RRDSETVAR *variables; // RRDSETVAR linked list for this chart (one RRDSETVAR, many RRDVARs) - RRDCALC *alarms; // RRDCALC linked list for this chart - - // ------------------------------------------------------------------------ - // members for checking the data when loading from disk - - unsigned long memsize; // how much mem we have allocated for this (without dimensions) - - char magic[sizeof(RRDSET_MAGIC) + 1]; // our magic - - // ------------------------------------------------------------------------ - // the dimensions - - avl_tree_lock dimensions_index; // the root of the dimensions index - RRDDIM *dimensions; // the actual data for every dimension - -}; -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_FLAG_ORPHAN = 1 << 0, // this host is orphan (not receiving data) - RRDHOST_FLAG_DELETE_OBSOLETE_CHARTS = 1 << 1, // delete files of obsolete charts - RRDHOST_FLAG_DELETE_ORPHAN_HOST = 1 << 2, // delete the entire host when orphan - RRDHOST_FLAG_BACKEND_SEND = 1 << 3, // send it to backends - RRDHOST_FLAG_BACKEND_DONT_SEND = 1 << 4, // don't send it to backends -} RRDHOST_FLAGS; - -#ifdef HAVE_C___ATOMIC -#define rrdhost_flag_check(host, flag) (__atomic_load_n(&((host)->flags), __ATOMIC_SEQ_CST) & (flag)) -#define rrdhost_flag_set(host, flag) __atomic_or_fetch(&((host)->flags), flag, __ATOMIC_SEQ_CST) -#define rrdhost_flag_clear(host, flag) __atomic_and_fetch(&((host)->flags), ~flag, __ATOMIC_SEQ_CST) -#else -#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) -#endif - -#ifdef NETDATA_INTERNAL_CHECKS -#define rrdset_debug(st, fmt, args...) do { if(unlikely(debug_flags & D_RRD_STATS && rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) \ - debug_int(__FILE__, __FUNCTION__, __LINE__, "%s: " fmt, st->name, ##args); } while(0) -#else -#define rrdset_debug(st, fmt, args...) debug_dummy() -#endif - - -// ---------------------------------------------------------------------------- -// RRD HOST - -struct rrdhost { - avl avl; // the index of hosts - - // ------------------------------------------------------------------------ - // host information - - char *hostname; // the hostname of this host - uint32_t hash_hostname; // the hostname hash - - char *registry_hostname; // the registry hostname for this host - - char machine_guid[GUID_LEN + 1]; // the unique ID of this host - uint32_t hash_machine_guid; // the hash of the unique ID - - const char *os; // the O/S type of the host - const char *tags; // tags for this host - const char *timezone; // the timezone 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 - - char *program_name; // the program name that collects metrics for this host - char *program_version; // the program version that collects metrics for this host - - // ------------------------------------------------------------------------ - // streaming of data to remote hosts - rrdpush - - int rrdpush_send_enabled:1; // 1 when this host sends metrics to another netdata - char *rrdpush_send_destination; // where to send metrics to - char *rrdpush_send_api_key; // the api key at the receiving netdata - - // the following are state information for the threading - // streaming metrics from this netdata to an upstream netdata - volatile int rrdpush_sender_spawn:1; // 1 when the sender thread has been spawn - netdata_thread_t rrdpush_sender_thread; // the sender thread - - volatile int rrdpush_sender_connected:1; // 1 when the sender is ready to push metrics - int rrdpush_sender_socket; // the fd of the socket to the remote host, or -1 - - volatile int rrdpush_sender_error_shown:1; // 1 when we have logged a communication error - volatile int rrdpush_sender_join:1; // 1 when we have to join the sending thread - - // metrics may be collected asynchronously - // these synchronize all the threads willing the write to our sending buffer - netdata_mutex_t rrdpush_sender_buffer_mutex; // exclusive access to rrdpush_sender_buffer - int rrdpush_sender_pipe[2]; // collector to sender thread signaling - BUFFER *rrdpush_sender_buffer; // collector fills it, sender sends it - - - // ------------------------------------------------------------------------ - // 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; // alarms historical events (event log) - uint32_t health_last_processed_id; // the last processed health id from the log - uint32_t health_max_unique_id; // the max alarm log unique id given for the host - uint32_t health_max_alarm_id; // the max alarm id given for the host - - // 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) - - // ------------------------------------------------------------------------ - // indexes - - 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 rrdvar_root_index; // the host's chart variables index - - struct rrdhost *next; -}; -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 *registry_hostname - , const char *guid - , const char *os - , const char *timezone - , const char *tags - , const char *program_name - , const char *program_version - , 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__) - -#else -#define rrdhost_check_rdlock(host) (void)0 -#define rrdhost_check_wrlock(host) (void)0 -#define rrdset_check_rdlock(st) (void)0 -#define rrdset_check_wrlock(st) (void)0 -#define rrd_check_rdlock() (void)0 -#define rrd_check_wrlock() (void)0 -#endif - -// ---------------------------------------------------------------------------- -// RRDSET functions - -extern int rrdset_set_name(RRDSET *st, const char *name); - -extern RRDSET *rrdset_create_custom(RRDHOST *host - , const char *type - , const char *id - , const char *name - , const char *family - , const char *context - , const char *title - , const char *units - , const char *plugin - , const char *module - , long priority - , int update_every - , RRDSET_TYPE chart_type - , RRD_MEMORY_MODE memory_mode - , long history_entries); - -#define rrdset_create(host, type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type) \ - rrdset_create_custom(host, type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type, (host)->rrd_memory_mode, (host)->rrd_history_entries) - -#define rrdset_create_localhost(type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type) \ - rrdset_create(localhost, type, id, name, family, context, title, units, plugin, module, priority, update_every, chart_type) - -extern void rrdhost_free_all(void); -extern void rrdhost_save_all(void); -extern void rrdhost_cleanup_all(void); - -extern void rrdhost_cleanup_orphan_hosts_nolock(RRDHOST *protected); -extern void rrdhost_free(RRDHOST *host); -extern void rrdhost_save_charts(RRDHOST *host); -extern void rrdhost_delete_charts(RRDHOST *host); - -extern int rrdhost_should_be_removed(RRDHOST *host, RRDHOST *protected, time_t now); - -extern void rrdset_update_heterogeneous_flag(RRDSET *st); - -extern RRDSET *rrdset_find(RRDHOST *host, const char *id); -#define rrdset_find_localhost(id) rrdset_find(localhost, id) - -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); -#define rrdset_next(st) rrdset_next_usec(st, 0ULL) - -extern void rrdset_done(RRDSET *st); - -extern void rrdset_is_obsolete(RRDSET *st); -extern void rrdset_isnot_obsolete(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_HIDDEN) && !rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE) && (st)->dimensions && (st)->rrd_memory_mode != RRD_MEMORY_MODE_NONE) -#define rrdset_is_available_for_backends(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 )) - -// get the timestamp of the last entry in the round robin database -#define rrdset_last_entry_t(st) ((time_t)(((st)->last_updated.tv_sec))) - -// get the timestamp of first entry in the round robin database -#define rrdset_first_entry_t(st) ((time_t)(rrdset_last_entry_t(st) - rrdset_duration(st))) - -// get the last slot updated in the round robin database -#define rrdset_last_slot(st) ((unsigned long)(((st)->current_entry == 0) ? (st)->entries - 1 : (st)->current_entry - 1)) - -// get the first / oldest slot updated in the round robin database -#define rrdset_first_slot(st) ((unsigned long)( (((st)->counter >= ((unsigned long)(st)->entries)) ? (unsigned long)( ((unsigned long)(st)->current_entry > 0) ? ((unsigned long)(st)->current_entry) : ((unsigned long)(st)->entries) ) - 1 : 0) )) - -// get the slot of the round robin database, for the given timestamp (t) -// it always returns a valid slot, although may not be for the time requested if the time is outside the round robin database -#define rrdset_time2slot(st, t) ( \ - ( (time_t)(t) >= rrdset_last_entry_t(st)) ? ( rrdset_last_slot(st) ) : \ - ( ((time_t)(t) <= rrdset_first_entry_t(st)) ? rrdset_first_slot(st) : \ - ( (rrdset_last_slot(st) >= (unsigned long)((rrdset_last_entry_t(st) - (time_t)(t)) / (unsigned long)((st)->update_every)) ) ? \ - (rrdset_last_slot(st) - (unsigned long)((rrdset_last_entry_t(st) - (time_t)(t)) / (unsigned long)((st)->update_every)) ) : \ - (rrdset_last_slot(st) - (unsigned long)((rrdset_last_entry_t(st) - (time_t)(t)) / (unsigned long)((st)->update_every)) + (unsigned long)(st)->entries ) \ - ))) - -// get the timestamp of a specific slot in the round robin database -#define rrdset_slot2time(st, slot) ( rrdset_last_entry_t(st) - \ - ((unsigned long)(st)->update_every * ( \ - ( (unsigned long)(slot) > rrdset_last_slot(st)) ? \ - ( (rrdset_last_slot(st) - (unsigned long)(slot) + (unsigned long)(st)->entries) ) : \ - ( (rrdset_last_slot(st) - (unsigned long)(slot)) )) \ - )) - -// ---------------------------------------------------------------------------- -// RRD DIMENSION functions - -extern RRDDIM *rrddim_add_custom(RRDSET *st, const char *id, const char *name, collected_number multiplier, collected_number divisor, RRD_ALGORITHM algorithm, RRD_MEMORY_MODE memory_mode); -#define rrddim_add(st, id, name, multiplier, divisor, algorithm) rrddim_add_custom(st, id, name, multiplier, divisor, algorithm, (st)->rrd_memory_mode) - -extern int rrddim_set_name(RRDSET *st, RRDDIM *rd, const char *name); -extern int rrddim_set_algorithm(RRDSET *st, RRDDIM *rd, RRD_ALGORITHM algorithm); -extern int rrddim_set_multiplier(RRDSET *st, RRDDIM *rd, collected_number multiplier); -extern int rrddim_set_divisor(RRDSET *st, RRDDIM *rd, collected_number divisor); - -extern RRDDIM *rrddim_find(RRDSET *st, const char *id); - -extern int rrddim_hide(RRDSET *st, const char *id); -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_charts(RRDHOST *host); - -#endif /* NETDATA_RRD_INTERNALS */ - - -#endif /* NETDATA_RRD_H */ |