Outline ![]()
Files ![]()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "esp_partition.h"
#include "nvs_partition_manager.hpp"
#include "nvs_partition_lookup.hpp"
#include "nvs_internal.h"
#ifndef LINUX_TARGET
#include "nvs_encrypted_partition.hpp"
#endif // ! LINUX_TARGET
namespace nvs {
NVSPartitionManager* NVSPartitionManager::instance = nullptr;
NVSPartitionManager* NVSPartitionManager::get_instance()
{
if (!instance) {
instance = new (std::nothrow) NVSPartitionManager();
}
return instance;
}
#ifdef ESP_PLATFORM
esp_err_t NVSPartitionManager::init_partition(const char *partition_label)
{
if (strlen(partition_label) > NVS_PART_NAME_MAX_SIZE) {
return ESP_ERR_INVALID_ARG;
}
uint32_t size;
const uint32_t sec_size = esp_partition_get_main_flash_sector_size();
Storage* mStorage;
mStorage = lookup_storage_from_name(partition_label);
if (mStorage) {
return ESP_OK;
}
NVS_ASSERT_OR_RETURN(sec_size != 0, ESP_FAIL);
NVSPartition *p = nullptr;
esp_err_t result = partition_lookup::lookup_nvs_partition(partition_label, &p);
if (result != ESP_OK) {
goto error;
}
size = p->get_size();
result = init_custom(p, 0, size / sec_size);
if (result != ESP_OK) {
goto error;
}
nvs_partition_list.push_back(p);
return ESP_OK;
error:
delete p;
return result;
}
#endif // ESP_PLATFORM
esp_err_t NVSPartitionManager::init_custom(Partition *partition, uint32_t baseSector, uint32_t sectorCount)
{
Storage* new_storage = nullptr;
Storage* storage = lookup_storage_from_name(partition->get_partition_name());
if (storage == nullptr) {
new_storage = new (std::nothrow) Storage(partition);
if (new_storage == nullptr) {
return ESP_ERR_NO_MEM;
}
storage = new_storage;
} else {
// if storage was initialized already, we don't need partition and hence delete it
for (auto it = nvs_partition_list.begin(); it != nvs_partition_list.end(); ++it) {
if (partition == it) {
nvs_partition_list.erase(it);
delete partition;
break;
}
}
}
esp_err_t err = storage->init(baseSector, sectorCount);
if (new_storage != nullptr) {
if (err == ESP_OK) {
nvs_storage_list.push_back(new_storage);
} else {
delete new_storage;
}
}
return err;
}
#ifdef ESP_PLATFORM
esp_err_t NVSPartitionManager::secure_init_partition(const char *part_name, nvs_sec_cfg_t* cfg)
{
if (strlen(part_name) > NVS_PART_NAME_MAX_SIZE) {
return ESP_ERR_INVALID_ARG;
}
Storage* mStorage;
mStorage = lookup_storage_from_name(part_name);
if (mStorage != nullptr) {
return ESP_OK;
}
NVSPartition *p;
esp_err_t result;
if (cfg != nullptr) {
result = partition_lookup::lookup_nvs_encrypted_partition(part_name, cfg, &p);
} else {
result = partition_lookup::lookup_nvs_partition(part_name, &p);
}
if (result != ESP_OK) {
return result;
}
uint32_t size = p->get_size();
const uint32_t sec_size = esp_partition_get_main_flash_sector_size();
result = init_custom(p, 0, size / sec_size);
if (result != ESP_OK) {
delete p;
return result;
}
nvs_partition_list.push_back(p);
return ESP_OK;
}
#endif // ESP_PLATFORM
esp_err_t NVSPartitionManager::deinit_partition(const char *partition_label)
{
Storage* storage = lookup_storage_from_name(partition_label);
if (!storage) {
return ESP_ERR_NVS_NOT_INITIALIZED;
}
/* Clean up handles related to the storage being deinitialized */
for (auto it = nvs_handles.begin(); it != nvs_handles.end(); ++it) {
if (it->mStoragePtr == storage) {
it->valid = false;
nvs_handles.erase(it);
}
}
/* Finally delete the storage and its partition */
nvs_storage_list.erase(storage);
delete storage;
for (auto it = nvs_partition_list.begin(); it != nvs_partition_list.end(); ++it) {
if (strcmp(it->get_partition_name(), partition_label) == 0) {
NVSPartition *p = it;
nvs_partition_list.erase(it);
delete p;
break;
}
}
return ESP_OK;
}
esp_err_t NVSPartitionManager::open_handle(const char *part_name,
const char *ns_name,
nvs_open_mode_t open_mode,
NVSHandleSimple** handle)
{
uint8_t nsIndex;
Storage* sHandle;
if (handle == nullptr) {
return ESP_ERR_INVALID_ARG;
}
if (nvs_storage_list.empty()) {
return ESP_ERR_NVS_NOT_INITIALIZED;
}
sHandle = lookup_storage_from_name(part_name);
if (sHandle == nullptr) {
return ESP_ERR_NVS_PART_NOT_FOUND;
}
if (open_mode == NVS_READWRITE && const_cast<Partition*>(sHandle->getPart())->get_readonly()) {
return ESP_ERR_NOT_ALLOWED;
}
esp_err_t err = sHandle->createOrOpenNamespace(ns_name, open_mode == NVS_READWRITE, nsIndex);
if (err != ESP_OK) {
return err;
}
NVSHandleSimple* new_handle = new (std::nothrow) NVSHandleSimple(open_mode==NVS_READONLY, nsIndex, sHandle);
if (new_handle == nullptr) {
return ESP_ERR_NO_MEM;
}
nvs_handles.push_back(new_handle);
*handle = new_handle;
return ESP_OK;
}
esp_err_t NVSPartitionManager::close_handle(NVSHandleSimple* handle) {
for (auto it = nvs_handles.begin(); it != nvs_handles.end(); ++it) {
if (it == intrusive_list<NVSHandleSimple>::iterator(handle)) {
nvs_handles.erase(it);
return ESP_OK;
}
}
return ESP_ERR_NVS_INVALID_HANDLE;
}
size_t NVSPartitionManager::open_handles_size()
{
return nvs_handles.size();
}
Storage* NVSPartitionManager::lookup_storage_from_name(const char* name)
{
auto it = find_if(begin(nvs_storage_list), end(nvs_storage_list), [=](Storage& e) -> bool {
return (strcmp(e.getPartName(), name) == 0);
});
if (it == end(nvs_storage_list)) {
return nullptr;
}
return it;
}
} // nvs
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.