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
uint32_t hash_machine_guid; // the hash of the unique ID
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
int 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
extern void rrdhost_free_all(void);
extern void rrdhost_save_all(void);
-extern void rrdhost_cleanup_remote_stale(RRDHOST *protected);
+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)
#ifdef NETDATA_RRD_INTERNALS
-extern void rrdset_free(RRDSET *st);
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 rrdset_reset(RRDSET *st);
-
extern void rrddim_free(RRDSET *st, RRDDIM *rd);
extern int rrddim_compare(void* a, void* b);
#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 rrdhost_cleanup(RRDHOST *host);
+extern void rrdset_delete(RRDSET *st);
+
+extern void rrdhost_cleanup_obsolete(RRDHOST *host);
#endif /* NETDATA_RRD_INTERNALS */