summaryrefslogtreecommitdiffstats
path: root/libglusterfs/src/dict.h
diff options
context:
space:
mode:
Diffstat (limited to 'libglusterfs/src/dict.h')
-rw-r--r--libglusterfs/src/dict.h179
1 files changed, 179 insertions, 0 deletions
diff --git a/libglusterfs/src/dict.h b/libglusterfs/src/dict.h
new file mode 100644
index 000000000..5c299d039
--- /dev/null
+++ b/libglusterfs/src/dict.h
@@ -0,0 +1,179 @@
+/*
+ Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _DICT_H
+#define _DICT_H
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include <inttypes.h>
+#include <sys/uio.h>
+#include <pthread.h>
+
+#include "common-utils.h"
+
+typedef struct _data data_t;
+typedef struct _dict dict_t;
+typedef struct _data_pair data_pair_t;
+
+struct _data {
+ unsigned char is_static:1;
+ unsigned char is_const:1;
+ int32_t len;
+ struct iovec *vec;
+ char *data;
+ int32_t refcount;
+ gf_lock_t lock;
+};
+
+struct _data_pair {
+ struct _data_pair *hash_next;
+ struct _data_pair *prev;
+ struct _data_pair *next;
+ data_t *value;
+ char *key;
+};
+
+struct _dict {
+ unsigned char is_static:1;
+ int32_t hash_size;
+ int32_t count;
+ int32_t refcount;
+ data_pair_t **members;
+ data_pair_t *members_list;
+ char *extra_free;
+ gf_lock_t lock;
+};
+
+
+int32_t is_data_equal (data_t *one, data_t *two);
+void data_destroy (data_t *data);
+
+int32_t dict_set (dict_t *this, char *key, data_t *value);
+data_t *dict_get (dict_t *this, char *key);
+void dict_del (dict_t *this, char *key);
+
+int32_t dict_serialized_length (dict_t *dict);
+int32_t dict_serialize (dict_t *dict, char *buf);
+int32_t dict_unserialize (char *buf, int32_t size, dict_t **fill);
+
+int32_t dict_iovec_len (dict_t *dict);
+int32_t dict_to_iovec (dict_t *dict, struct iovec *vec, int32_t count);
+
+void dict_destroy (dict_t *dict);
+void dict_unref (dict_t *dict);
+dict_t *dict_ref (dict_t *dict);
+data_t *data_ref (data_t *data);
+void data_unref (data_t *data);
+
+/*
+ TODO: provide converts for differnt byte sizes, signedness, and void *
+ */
+data_t *int_to_data (int64_t value);
+data_t *str_to_data (char *value);
+data_t *data_from_dynstr (char *value);
+data_t *data_from_dynptr (void *value, int32_t len);
+data_t *bin_to_data (void *value, int32_t len);
+data_t *static_str_to_data (char *value);
+data_t *static_bin_to_data (void *value);
+
+int64_t data_to_int64 (data_t *data);
+int32_t data_to_int32 (data_t *data);
+int16_t data_to_int16 (data_t *data);
+int8_t data_to_int8 (data_t *data);
+
+uint64_t data_to_uint64 (data_t *data);
+uint32_t data_to_uint32 (data_t *data);
+uint16_t data_to_uint16 (data_t *data);
+
+data_t *data_from_ptr (void *value);
+data_t *data_from_static_ptr (void *value);
+
+data_t *data_from_int64 (int64_t value);
+data_t *data_from_int32 (int32_t value);
+data_t *data_from_int16 (int16_t value);
+data_t *data_from_int8 (int8_t value);
+
+data_t *data_from_uint64 (uint64_t value);
+data_t *data_from_uint32 (uint32_t value);
+data_t *data_from_uint16 (uint16_t value);
+
+char *data_to_str (data_t *data);
+void *data_to_bin (data_t *data);
+void *data_to_ptr (data_t *data);
+
+data_t *get_new_data ();
+dict_t *get_new_dict_full (int size_hint);
+dict_t *get_new_dict ();
+
+data_pair_t *get_new_data_pair ();
+
+void dict_foreach (dict_t *this,
+ void (*fn)(dict_t *this,
+ char *key,
+ data_t *value,
+ void *data),
+ void *data);
+
+dict_t *dict_copy (dict_t *this,
+ dict_t *new);
+
+/* CLEANED UP FUNCTIONS DECLARATIONS */
+GF_MUST_CHECK dict_t *dict_new (void);
+dict_t *dict_copy_with_ref (dict_t *this,
+ dict_t *new);
+
+GF_MUST_CHECK int dict_get_int8 (dict_t *this, char *key, int8_t *val);
+GF_MUST_CHECK int dict_set_int8 (dict_t *this, char *key, int8_t val);
+
+GF_MUST_CHECK int dict_get_int16 (dict_t *this, char *key, int16_t *val);
+GF_MUST_CHECK int dict_set_int16 (dict_t *this, char *key, int16_t val);
+
+GF_MUST_CHECK int dict_get_int32 (dict_t *this, char *key, int32_t *val);
+GF_MUST_CHECK int dict_set_int32 (dict_t *this, char *key, int32_t val);
+
+GF_MUST_CHECK int dict_get_int64 (dict_t *this, char *key, int64_t *val);
+GF_MUST_CHECK int dict_set_int64 (dict_t *this, char *key, int64_t val);
+
+GF_MUST_CHECK int dict_get_uint16 (dict_t *this, char *key, uint16_t *val);
+GF_MUST_CHECK int dict_set_uint16 (dict_t *this, char *key, uint16_t val);
+
+GF_MUST_CHECK int dict_get_uint32 (dict_t *this, char *key, uint32_t *val);
+GF_MUST_CHECK int dict_set_uint32 (dict_t *this, char *key, uint32_t val);
+
+GF_MUST_CHECK int dict_get_uint64 (dict_t *this, char *key, uint64_t *val);
+GF_MUST_CHECK int dict_set_uint64 (dict_t *this, char *key, uint64_t val);
+
+GF_MUST_CHECK int dict_set_static_ptr (dict_t *this, char *key, void *ptr);
+GF_MUST_CHECK int dict_get_ptr (dict_t *this, char *key, void **ptr);
+GF_MUST_CHECK int dict_set_ptr (dict_t *this, char *key, void *ptr);
+GF_MUST_CHECK int dict_set_dynptr (dict_t *this, char *key, void *ptr, size_t size);
+
+GF_MUST_CHECK int dict_get_bin (dict_t *this, char *key, void **ptr);
+GF_MUST_CHECK int dict_set_bin (dict_t *this, char *key, void *ptr, size_t size);
+GF_MUST_CHECK int dict_set_static_bin (dict_t *this, char *key, void *ptr, size_t size);
+
+GF_MUST_CHECK int dict_set_str (dict_t *this, char *key, char *str);
+GF_MUST_CHECK int dict_set_dynstr (dict_t *this, char *key, char *str);
+GF_MUST_CHECK int dict_get_str (dict_t *this, char *key, char **str);
+
+#endif