locks abstraction, error reporting, debugging

[netdata.git] / src / dictionary.h

diff --git a/src/dictionary.h b/src/dictionary.h
index 9822b23c22c47efcb0ea831bf50c030554646d10..f028dbb30e39f81b182e993237d243bac0f4557c 100644 (file)
--- a/src/dictionary.h
+++ b/src/dictionary.h
@@ -1,29 +1,44 @@
-#include "web_buffer.h"
-
 #ifndef NETDATA_DICTIONARY_H
 #define NETDATA_DICTIONARY_H 1
 
-typedef struct name_value {
-       avl avl;                                // the index - this has to be first!
+struct dictionary_stats {
+    unsigned long long inserts;
+    unsigned long long deletes;
+    unsigned long long searches;
+    unsigned long long entries;
+};
 
-       uint32_t hash;                  // a simple hash to speed up searching
-                                                       // we first compare hashes, and only if the hashes are equal we do string comparisons
+typedef struct name_value {
+    avl avl;                // the index - this has to be first!
 
-       char *name;
-       char *value;
+    uint32_t hash;          // a simple hash to speed up searching
+                            // we first compare hashes, and only if the hashes are equal we do string comparisons
 
-       struct name_value *next;
+    char *name;
+    void *value;
 } NAME_VALUE;
 
 typedef struct dictionary {
-       NAME_VALUE *values;
-       avl_tree values_index;
-       pthread_rwlock_t rwlock;
+    avl_tree values_index;
+
+    uint8_t flags;
+
+    struct dictionary_stats *stats;
+    netdata_rwlock_t *rwlock;
 } DICTIONARY;
 
-extern DICTIONARY *dictionary_create(void);
+#define DICTIONARY_FLAG_DEFAULT                 0x00000000
+#define DICTIONARY_FLAG_SINGLE_THREADED         0x00000001
+#define DICTIONARY_FLAG_VALUE_LINK_DONT_CLONE   0x00000002
+#define DICTIONARY_FLAG_NAME_LINK_DONT_CLONE    0x00000004
+#define DICTIONARY_FLAG_WITH_STATISTICS         0x00000008
+
+extern DICTIONARY *dictionary_create(uint8_t flags);
 extern void dictionary_destroy(DICTIONARY *dict);
 extern void *dictionary_set(DICTIONARY *dict, const char *name, void *value, size_t value_len);
 extern void *dictionary_get(DICTIONARY *dict, const char *name);
+extern int dictionary_del(DICTIONARY *dict, const char *name);
+
+extern int dictionary_get_all(DICTIONARY *dict, int (*callback)(void *entry, void *d), void *data);
 
 #endif /* NETDATA_DICTIONARY_H */