| 1 | /* |
| 2 | * Copyright 2008-2018 Aerospike, Inc. |
| 3 | * |
| 4 | * Portions may be licensed to Aerospike, Inc. under one or more contributor |
| 5 | * license agreements. |
| 6 | * |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 8 | * use this file except in compliance with the License. You may obtain a copy of |
| 9 | * the License at http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 14 | * License for the specific language governing permissions and limitations under |
| 15 | * the License. |
| 16 | */ |
| 17 | #pragma once |
| 18 | |
| 19 | //========================================================== |
| 20 | // Includes. |
| 21 | // |
| 22 | |
| 23 | #include <aerospike/as_std.h> |
| 24 | #include <pthread.h> |
| 25 | |
| 26 | #ifdef __cplusplus |
| 27 | extern "C" { |
| 28 | #endif |
| 29 | |
| 30 | |
| 31 | //========================================================== |
| 32 | // Constants & typedefs. |
| 33 | // |
| 34 | |
| 35 | // Deprecated - use cf_vector_element_size(). |
| 36 | #define VECTOR_ELEM_SZ(_v) ( _v->ele_sz ) |
| 37 | |
| 38 | // Public flags. |
| 39 | #define VECTOR_FLAG_BIGLOCK 0x01 |
| 40 | #define VECTOR_FLAG_INITZERO 0x02 // vector elements start cleared to 0 |
| 41 | |
| 42 | // Return this to delete element during reduce. |
| 43 | #define VECTOR_REDUCE_DELETE 1 |
| 44 | |
| 45 | // Private data. |
| 46 | typedef struct cf_vector_s { |
| 47 | uint8_t *vector; |
| 48 | uint32_t ele_sz; |
| 49 | uint32_t capacity; // number of elements currently allocated |
| 50 | uint32_t count; // number of elements in table, largest element set |
| 51 | uint32_t flags; |
| 52 | pthread_mutex_t LOCK; // mutable |
| 53 | } cf_vector; |
| 54 | |
| 55 | |
| 56 | //========================================================== |
| 57 | // Public API. |
| 58 | // |
| 59 | |
| 60 | cf_vector *cf_vector_create(uint32_t ele_sz, uint32_t capacity, uint32_t flags); |
| 61 | int cf_vector_init(cf_vector *v, uint32_t ele_sz, uint32_t capacity, uint32_t flags); |
| 62 | void cf_vector_init_with_buf(cf_vector *v, uint32_t ele_sz, uint32_t capacity, uint8_t *buf, uint32_t flags); |
| 63 | |
| 64 | // Deprecated - use cf_vector_init_with_buf(). |
| 65 | void cf_vector_init_smalloc(cf_vector *v, uint32_t ele_sz, uint8_t *sbuf, uint32_t sbuf_sz, uint32_t flags); |
| 66 | |
| 67 | int cf_vector_get(const cf_vector *v, uint32_t idx, void *val); |
| 68 | bool cf_vector_get_sized(const cf_vector *v, uint32_t idx, void *val, uint32_t sz); |
| 69 | int cf_vector_set(cf_vector *v, uint32_t idx, const void *val); |
| 70 | |
| 71 | void *cf_vector_getp(cf_vector *v, uint32_t val); |
| 72 | void *cf_vector_getp_vlock(cf_vector *v, uint32_t val, pthread_mutex_t **vlock); |
| 73 | |
| 74 | int cf_vector_append(cf_vector *v, const void *val); |
| 75 | // Adds a an element to the end, only if it doesn't exist already. O(N). |
| 76 | int cf_vector_append_unique(cf_vector *v, const void *val); |
| 77 | int cf_vector_pop(cf_vector *v, void *val); |
| 78 | |
| 79 | int cf_vector_delete(cf_vector *v, uint32_t val); |
| 80 | // Inclusive-exclusive, e.g. start 0 & end 3 removes indexes 0,1,2. |
| 81 | int cf_vector_delete_range(cf_vector *v, uint32_t start, uint32_t end); |
| 82 | void cf_vector_clear(cf_vector *v); |
| 83 | |
| 84 | // Realloc to minimal space needed. |
| 85 | void cf_vector_compact(cf_vector *v); |
| 86 | |
| 87 | void cf_vector_destroy(cf_vector *v); |
| 88 | |
| 89 | static inline uint32_t |
| 90 | cf_vector_size(const cf_vector *v) |
| 91 | { |
| 92 | return v->count; |
| 93 | } |
| 94 | |
| 95 | static inline uint32_t |
| 96 | cf_vector_element_size(const cf_vector *v) |
| 97 | { |
| 98 | return v->ele_sz; |
| 99 | } |
| 100 | |
| 101 | #define cf_vector_inita(_v, _ele_sz, _ele_cnt, _flags) \ |
| 102 | cf_vector_init_with_buf(_v, _ele_sz, _ele_cnt, alloca((_ele_sz) * (_ele_cnt)), _flags); |
| 103 | |
| 104 | #define cf_vector_define(_v, _ele_sz, _ele_cnt, _flags) \ |
| 105 | cf_vector _v; \ |
| 106 | uint8_t _v ## __mem[(_ele_sz) * (_ele_cnt)]; \ |
| 107 | cf_vector_init_with_buf(&_v, _ele_sz, _ele_cnt, _v ## __mem, _flags); |
| 108 | |
| 109 | //---------------------------------------------------------- |
| 110 | // Deprecated wrappers for helpers for a vector of pointers. |
| 111 | // |
| 112 | |
| 113 | // Deprecated - use cf_vector_create(). |
| 114 | static inline cf_vector * |
| 115 | cf_vector_pointer_create(uint32_t capacity, uint32_t flags) |
| 116 | { |
| 117 | return cf_vector_create(sizeof(void *), capacity, flags); |
| 118 | } |
| 119 | |
| 120 | // Deprecated - use cf_vector_init(v, sizeof(void *), ...). |
| 121 | static inline int |
| 122 | cf_vector_pointer_init(cf_vector *v, uint32_t capacity, uint32_t flags) |
| 123 | { |
| 124 | return cf_vector_init(v, sizeof(void *), capacity, flags); |
| 125 | } |
| 126 | |
| 127 | // Deprecated - use cf_vector_set_ptr(). |
| 128 | static inline int |
| 129 | cf_vector_pointer_set(cf_vector *v, uint32_t idx, const void *val) |
| 130 | { |
| 131 | return cf_vector_set(v, idx, &val); |
| 132 | } |
| 133 | |
| 134 | // Deprecated - use cf_vector_get_ptr(). |
| 135 | static inline void * |
| 136 | cf_vector_pointer_get(const cf_vector *v, uint32_t idx) |
| 137 | { |
| 138 | void *p; |
| 139 | |
| 140 | if (! cf_vector_get_sized(v, idx, &p, sizeof(void *))) { |
| 141 | return NULL; |
| 142 | } |
| 143 | |
| 144 | return p; |
| 145 | } |
| 146 | |
| 147 | // Deprecated - use cf_vector_append_ptr(). |
| 148 | static inline int |
| 149 | cf_vector_pointer_append(cf_vector *v, const void *val) |
| 150 | { |
| 151 | return cf_vector_append(v, &val); |
| 152 | } |
| 153 | |
| 154 | //---------------------------------------------------------- |
| 155 | // Helpers for a vector of pointers. |
| 156 | // |
| 157 | |
| 158 | static inline int |
| 159 | cf_vector_set_ptr(cf_vector *v, uint32_t idx, const void *val) |
| 160 | { |
| 161 | return cf_vector_set(v, idx, &val); |
| 162 | } |
| 163 | |
| 164 | static inline void * |
| 165 | cf_vector_get_ptr(const cf_vector *v, uint32_t idx) |
| 166 | { |
| 167 | void *p = NULL; |
| 168 | |
| 169 | cf_vector_get_sized(v, idx, &p, sizeof(void *)); |
| 170 | |
| 171 | return p; |
| 172 | } |
| 173 | |
| 174 | static inline int |
| 175 | cf_vector_append_ptr(cf_vector *v, const void *val) |
| 176 | { |
| 177 | return cf_vector_append(v, &val); |
| 178 | } |
| 179 | |
| 180 | //---------------------------------------------------------- |
| 181 | // Helpers for a vector of uint32_t's. |
| 182 | // |
| 183 | |
| 184 | static inline int |
| 185 | cf_vector_set_uint32(cf_vector *v, uint32_t idx, uint32_t val) |
| 186 | { |
| 187 | return cf_vector_set(v, idx, &val); |
| 188 | } |
| 189 | |
| 190 | static inline uint32_t |
| 191 | cf_vector_get_uint32(const cf_vector *v, uint32_t idx) |
| 192 | { |
| 193 | uint32_t val = 0; |
| 194 | |
| 195 | cf_vector_get_sized(v, idx, &val, sizeof(uint32_t)); |
| 196 | |
| 197 | return val; |
| 198 | } |
| 199 | |
| 200 | static inline int |
| 201 | cf_vector_append_uint32(cf_vector *v, uint32_t val) |
| 202 | { |
| 203 | return cf_vector_append(v, &val); |
| 204 | } |
| 205 | |
| 206 | |
| 207 | #ifdef __cplusplus |
| 208 | } // end extern "C" |
| 209 | #endif |
| 210 | |