#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"
// ----------------------------------------------------------------------------
// 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;
};
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 {
// ------------------------------------------------------------------------
// ------------------------------------------------------------------------
// 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
// 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
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
};
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 {
// ------------------------------------------------------------------------
// 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 *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?
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
uint32_t hash_name; // a simple hash on the name
- unsigned long long usec_since_last_update; // the time in microseconds since the last collection of data
+ 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
};
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, unsigned long long microseconds);
-extern void rrdset_next_usec(RRDSET *st, unsigned long long microseconds);
+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 unsigned long long 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 ))
// ----------------------------------------------------------------------------
// 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);
+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 */
projects / netdata.git / blobdiff