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1 files changed, 179 insertions, 0 deletions

diff --git a/libglusterfs/src/dict.h b/libglusterfs/src/dict.h
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+/*
+   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