#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;
+
+extern int default_localhost_rrd_update_every;
+extern int default_localhost_rrd_history_entries;
#define RRD_ID_LENGTH_MAX 200
#define RRD_MEMORY_MODE_MAP_NAME "map"
#define RRD_MEMORY_MODE_SAVE_NAME "save"
-RRD_MEMORY_MODE rrd_memory_mode;
+extern RRD_MEMORY_MODE default_localhost_rrd_memory_mode;
extern const char *rrd_memory_mode_name(RRD_MEMORY_MODE id);
-extern int rrd_memory_mode_id(const char *name);
+extern RRD_MEMORY_MODE rrd_memory_mode_id(const char *name);
// ----------------------------------------------------------------------------
// (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_ALGORITHM algorithm; // the algorithm that is applied to add new collected values
RRD_MEMORY_MODE memory_mode; // the memory mode for this dimension
collected_number multiplier; // the multiplier of the collected values
// RRD HOST
struct rrdhost {
- avl avl;
+ avl avl; // the index of hosts
- char *hostname;
- char machine_guid[GUID_LEN + 1];
+ 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;
- // alarms historical events
- 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;
- uint32_t flags;
+ // 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 void rrdset_set_name(RRDSET *st, const char *name);
-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 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);
+
+#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 void rrdhost_save(RRDHOST *host);
extern RRDSET *rrdset_find(RRDHOST *host, const char *id);
-#define rrdset_find_localhost(id) rrdset_find(&localhost, 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)
+#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)
+#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);
#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(const char *id);
+extern char *rrdset_cache_dir(RRDHOST *host, const char *id);
extern void rrdset_reset(RRDSET *st);
projects / netdata.git / blobdiff