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acddc0ed | 1 | // SPDX-License-Identifier: LGPL-2.1-or-later |
74971473 JG |
2 | /* |
3 | * This file is part of the PCEPlib, a PCEP protocol library. | |
4 | * | |
5 | * Copyright (C) 2020 Volta Networks https://voltanet.io/ | |
6 | * | |
74971473 JG |
7 | * Author : Brady Johnson <brady@voltanet.io> |
8 | * | |
9 | */ | |
10 | ||
1f8031f7 DL |
11 | #ifdef HAVE_CONFIG_H |
12 | #include "config.h" | |
13 | #endif | |
14 | ||
74971473 JG |
15 | #include <stdlib.h> |
16 | #include <string.h> | |
17 | ||
18 | #include "pcep_utils_logging.h" | |
19 | #include "pcep_utils_memory.h" | |
20 | ||
21 | /* Set default values for memory function pointers */ | |
22 | static pceplib_malloc_func mfunc = NULL; | |
23 | static pceplib_calloc_func cfunc = NULL; | |
24 | static pceplib_realloc_func rfunc = NULL; | |
25 | static pceplib_strdup_func sfunc = NULL; | |
26 | static pceplib_free_func ffunc = NULL; | |
27 | ||
28 | /* Internal memory types */ | |
29 | struct pceplib_memory_type pceplib_infra_mt = { | |
30 | .memory_type_name = "PCEPlib Infrastructure memory", | |
31 | .total_bytes_allocated = 0, | |
32 | .num_allocates = 0, | |
33 | .total_bytes_freed = 0, | |
34 | .num_frees = 0}; | |
35 | struct pceplib_memory_type pceplib_messages_mt = { | |
36 | .memory_type_name = "PCEPlib Messages memory", | |
37 | .total_bytes_allocated = 0, | |
38 | .num_allocates = 0, | |
39 | .total_bytes_freed = 0, | |
40 | .num_frees = 0}; | |
41 | ||
42 | /* The memory type pointers default to the internal memory types */ | |
43 | void *PCEPLIB_INFRA = &pceplib_infra_mt; | |
44 | void *PCEPLIB_MESSAGES = &pceplib_messages_mt; | |
45 | ||
46 | /* Initialize memory function pointers and memory type pointers */ | |
47 | bool pceplib_memory_initialize(void *pceplib_infra_mt, | |
48 | void *pceplib_messages_mt, | |
49 | pceplib_malloc_func mf, pceplib_calloc_func cf, | |
50 | pceplib_realloc_func rf, pceplib_strdup_func sf, | |
51 | pceplib_free_func ff) | |
52 | { | |
53 | PCEPLIB_INFRA = (pceplib_infra_mt ? pceplib_infra_mt : PCEPLIB_INFRA); | |
54 | PCEPLIB_MESSAGES = | |
55 | (pceplib_messages_mt ? pceplib_messages_mt : PCEPLIB_MESSAGES); | |
56 | ||
57 | mfunc = (mf ? mf : mfunc); | |
58 | cfunc = (cf ? cf : cfunc); | |
59 | rfunc = (rf ? rf : rfunc); | |
60 | sfunc = (sf ? sf : sfunc); | |
61 | ffunc = (ff ? ff : ffunc); | |
62 | ||
63 | return true; | |
64 | } | |
65 | ||
2816045a | 66 | void pceplib_memory_reset(void) |
74971473 JG |
67 | { |
68 | pceplib_infra_mt.total_bytes_allocated = 0; | |
69 | pceplib_infra_mt.num_allocates = 0; | |
70 | pceplib_infra_mt.total_bytes_freed = 0; | |
71 | pceplib_infra_mt.num_frees = 0; | |
72 | ||
73 | pceplib_messages_mt.total_bytes_allocated = 0; | |
74 | pceplib_messages_mt.num_allocates = 0; | |
75 | pceplib_messages_mt.total_bytes_freed = 0; | |
76 | pceplib_messages_mt.num_frees = 0; | |
77 | } | |
78 | ||
2816045a | 79 | void pceplib_memory_dump(void) |
74971473 JG |
80 | { |
81 | if (PCEPLIB_INFRA) { | |
82 | pcep_log( | |
83 | LOG_INFO, | |
84 | "%s: Memory Type [%s] Total [allocs, alloc bytes, frees] [%d, %d, %d]", | |
85 | __func__, | |
86 | ((struct pceplib_memory_type *)PCEPLIB_INFRA) | |
87 | ->memory_type_name, | |
88 | ((struct pceplib_memory_type *)PCEPLIB_INFRA) | |
89 | ->num_allocates, | |
90 | ((struct pceplib_memory_type *)PCEPLIB_INFRA) | |
91 | ->total_bytes_allocated, | |
92 | ((struct pceplib_memory_type *)PCEPLIB_INFRA) | |
93 | ->num_frees); | |
94 | } | |
95 | ||
96 | if (PCEPLIB_MESSAGES) { | |
97 | pcep_log( | |
98 | LOG_INFO, | |
99 | "%s: Memory Type [%s] Total [allocs, alloc bytes, frees] [%d, %d, %d]", | |
100 | __func__, | |
101 | ((struct pceplib_memory_type *)PCEPLIB_MESSAGES) | |
102 | ->memory_type_name, | |
103 | ((struct pceplib_memory_type *)PCEPLIB_MESSAGES) | |
104 | ->num_allocates, | |
105 | ((struct pceplib_memory_type *)PCEPLIB_MESSAGES) | |
106 | ->total_bytes_allocated, | |
107 | ((struct pceplib_memory_type *)PCEPLIB_MESSAGES) | |
108 | ->num_frees); | |
109 | } | |
110 | } | |
111 | ||
112 | /* PCEPlib memory functions: | |
113 | * They either call the supplied function pointers, or use the internal | |
114 | * implementations, which just increment simple counters and call the | |
115 | * C stdlib memory implementations. */ | |
116 | ||
117 | void *pceplib_malloc(void *mem_type, size_t size) | |
118 | { | |
119 | if (mfunc == NULL) { | |
120 | if (mem_type != NULL) { | |
121 | ((struct pceplib_memory_type *)mem_type) | |
122 | ->total_bytes_allocated += size; | |
123 | ((struct pceplib_memory_type *)mem_type) | |
124 | ->num_allocates++; | |
125 | } | |
126 | ||
127 | return malloc(size); | |
128 | } else { | |
129 | return mfunc(mem_type, size); | |
130 | } | |
131 | } | |
132 | ||
133 | void *pceplib_calloc(void *mem_type, size_t size) | |
134 | { | |
135 | if (cfunc == NULL) { | |
136 | if (mem_type != NULL) { | |
137 | ((struct pceplib_memory_type *)mem_type) | |
138 | ->total_bytes_allocated += size; | |
139 | ((struct pceplib_memory_type *)mem_type) | |
140 | ->num_allocates++; | |
141 | } | |
142 | ||
143 | return calloc(1, size); | |
144 | } else { | |
145 | return cfunc(mem_type, size); | |
146 | } | |
147 | } | |
148 | ||
149 | void *pceplib_realloc(void *mem_type, void *ptr, size_t size) | |
150 | { | |
151 | if (rfunc == NULL) { | |
152 | if (mem_type != NULL) { | |
153 | /* TODO should add previous allocated bytes to | |
154 | * total_bytes_freed */ | |
155 | ((struct pceplib_memory_type *)mem_type) | |
156 | ->total_bytes_allocated += size; | |
157 | ((struct pceplib_memory_type *)mem_type) | |
158 | ->num_allocates++; | |
159 | } | |
160 | ||
161 | return realloc(ptr, size); | |
162 | } else { | |
163 | return rfunc(mem_type, ptr, size); | |
164 | } | |
165 | } | |
166 | ||
167 | void *pceplib_strdup(void *mem_type, const char *str) | |
168 | { | |
169 | if (sfunc == NULL) { | |
170 | if (mem_type != NULL) { | |
171 | ((struct pceplib_memory_type *)mem_type) | |
172 | ->total_bytes_allocated += strlen(str); | |
173 | ((struct pceplib_memory_type *)mem_type) | |
174 | ->num_allocates++; | |
175 | } | |
176 | ||
177 | return strdup(str); | |
178 | } else { | |
179 | return sfunc(mem_type, str); | |
180 | } | |
181 | } | |
182 | ||
183 | void pceplib_free(void *mem_type, void *ptr) | |
184 | { | |
185 | if (ffunc == NULL) { | |
186 | if (mem_type != NULL) { | |
187 | /* TODO in order to increment total_bytes_freed, we need | |
188 | * to keep track of the bytes allocated per pointer. | |
189 | * Currently not implemented. */ | |
190 | ((struct pceplib_memory_type *)mem_type)->num_frees++; | |
191 | if (((struct pceplib_memory_type *)mem_type) | |
192 | ->num_allocates | |
193 | < ((struct pceplib_memory_type *)mem_type) | |
194 | ->num_frees) { | |
195 | pcep_log( | |
196 | LOG_ERR, | |
197 | "%s: pceplib_free MT N_Alloc < N_Free: MemType [%s] NumAllocates [%d] NumFrees [%d]", | |
198 | __func__, | |
199 | ((struct pceplib_memory_type *)mem_type) | |
200 | ->memory_type_name, | |
201 | ((struct pceplib_memory_type *)mem_type) | |
202 | ->num_allocates, | |
203 | ((struct pceplib_memory_type *)mem_type) | |
204 | ->num_frees); | |
205 | } | |
206 | } | |
207 | ||
208 | return free(ptr); | |
209 | } else { | |
210 | return ffunc(mem_type, ptr); | |
211 | } | |
212 | } |