mirror of
https://github.com/meshcore-dev/MeshCore.git
synced 2026-03-30 14:55:46 +00:00
619 lines
20 KiB
C++
619 lines
20 KiB
C++
#include <Arduino.h>
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#include "DataStore.h"
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#if defined(EXTRAFS) || defined(QSPIFLASH)
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#define MAX_BLOBRECS 100
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#else
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#define MAX_BLOBRECS 20
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#endif
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DataStore::DataStore(FILESYSTEM& fs, mesh::RTCClock& clock) : _fs(&fs), _fsExtra(nullptr), _clock(&clock),
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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identity_store(fs, "")
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#elif defined(RP2040_PLATFORM)
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identity_store(fs, "/identity")
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#else
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identity_store(fs, "/identity")
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#endif
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{
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}
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#if defined(EXTRAFS) || defined(QSPIFLASH)
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DataStore::DataStore(FILESYSTEM& fs, FILESYSTEM& fsExtra, mesh::RTCClock& clock) : _fs(&fs), _fsExtra(&fsExtra), _clock(&clock),
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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identity_store(fs, "")
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#elif defined(RP2040_PLATFORM)
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identity_store(fs, "/identity")
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#else
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identity_store(fs, "/identity")
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#endif
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{
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}
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#endif
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static File openWrite(FILESYSTEM* fs, const char* filename) {
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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fs->remove(filename);
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return fs->open(filename, FILE_O_WRITE);
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#elif defined(RP2040_PLATFORM)
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return fs->open(filename, "w");
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#else
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return fs->open(filename, "w", true);
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#endif
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}
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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static uint32_t _ContactsChannelsTotalBlocks = 0;
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#endif
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void DataStore::begin() {
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#if defined(RP2040_PLATFORM)
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identity_store.begin();
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#endif
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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_ContactsChannelsTotalBlocks = _getContactsChannelsFS()->_getFS()->cfg->block_count;
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checkAdvBlobFile();
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#if defined(EXTRAFS) || defined(QSPIFLASH)
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migrateToSecondaryFS();
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#endif
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#else
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// init 'blob store' support
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_fs->mkdir("/bl");
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#endif
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}
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#if defined(ESP32)
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#include <SPIFFS.h>
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#elif defined(RP2040_PLATFORM)
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#include <LittleFS.h>
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#elif defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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#if defined(QSPIFLASH)
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#include <CustomLFS_QSPIFlash.h>
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#elif defined(EXTRAFS)
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#include <CustomLFS.h>
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#else
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#include <InternalFileSystem.h>
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#endif
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#endif
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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int _countLfsBlock(void *p, lfs_block_t block){
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if (block > _ContactsChannelsTotalBlocks) {
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MESH_DEBUG_PRINTLN("ERROR: Block %d exceeds filesystem bounds - CORRUPTION DETECTED!", block);
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return LFS_ERR_CORRUPT; // return error to abort lfs_traverse() gracefully
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}
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lfs_size_t *size = (lfs_size_t*) p;
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*size += 1;
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return 0;
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}
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lfs_ssize_t _getLfsUsedBlockCount(FILESYSTEM* fs) {
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lfs_size_t size = 0;
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int err = lfs_traverse(fs->_getFS(), _countLfsBlock, &size);
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if (err) {
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MESH_DEBUG_PRINTLN("ERROR: lfs_traverse() error: %d", err);
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return 0;
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}
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return size;
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}
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#endif
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uint32_t DataStore::getStorageUsedKb() const {
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#if defined(ESP32)
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return SPIFFS.usedBytes() / 1024;
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#elif defined(RP2040_PLATFORM)
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FSInfo info;
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info.usedBytes = 0;
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_fs->info(info);
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return info.usedBytes / 1024;
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#elif defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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const lfs_config* config = _getContactsChannelsFS()->_getFS()->cfg;
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int usedBlockCount = _getLfsUsedBlockCount(_getContactsChannelsFS());
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int usedBytes = config->block_size * usedBlockCount;
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return usedBytes / 1024;
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#else
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return 0;
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#endif
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}
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uint32_t DataStore::getStorageTotalKb() const {
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#if defined(ESP32)
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return SPIFFS.totalBytes() / 1024;
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#elif defined(RP2040_PLATFORM)
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FSInfo info;
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info.totalBytes = 0;
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_fs->info(info);
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return info.totalBytes / 1024;
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#elif defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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const lfs_config* config = _getContactsChannelsFS()->_getFS()->cfg;
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int totalBytes = config->block_size * config->block_count;
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return totalBytes / 1024;
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#else
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return 0;
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#endif
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}
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File DataStore::openRead(const char* filename) {
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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return _fs->open(filename, FILE_O_READ);
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#elif defined(RP2040_PLATFORM)
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return _fs->open(filename, "r");
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#else
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return _fs->open(filename, "r", false);
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#endif
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}
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File DataStore::openRead(FILESYSTEM* fs, const char* filename) {
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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return fs->open(filename, FILE_O_READ);
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#elif defined(RP2040_PLATFORM)
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return fs->open(filename, "r");
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#else
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return fs->open(filename, "r", false);
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#endif
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}
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bool DataStore::removeFile(const char* filename) {
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return _fs->remove(filename);
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}
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bool DataStore::removeFile(FILESYSTEM* fs, const char* filename) {
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return fs->remove(filename);
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}
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bool DataStore::formatFileSystem() {
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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if (_fsExtra == nullptr) {
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return _fs->format();
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} else {
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return _fs->format() && _fsExtra->format();
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}
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#elif defined(RP2040_PLATFORM)
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return LittleFS.format();
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#elif defined(ESP32)
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return ((fs::SPIFFSFS *)_fs)->format();
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#else
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#error "need to implement format()"
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#endif
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}
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bool DataStore::loadMainIdentity(mesh::LocalIdentity &identity) {
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return identity_store.load("_main", identity);
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}
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bool DataStore::saveMainIdentity(const mesh::LocalIdentity &identity) {
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return identity_store.save("_main", identity);
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}
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void DataStore::loadPrefs(NodePrefs& prefs, double& node_lat, double& node_lon) {
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if (_fs->exists("/new_prefs")) {
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loadPrefsInt("/new_prefs", prefs, node_lat, node_lon); // new filename
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} else if (_fs->exists("/node_prefs")) {
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loadPrefsInt("/node_prefs", prefs, node_lat, node_lon);
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savePrefs(prefs, node_lat, node_lon); // save to new filename
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_fs->remove("/node_prefs"); // remove old
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}
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}
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void DataStore::loadPrefsInt(const char *filename, NodePrefs& _prefs, double& node_lat, double& node_lon) {
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#if defined(RP2040_PLATFORM)
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File file = _fs->open(filename, "r");
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#else
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File file = _fs->open(filename);
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#endif
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if (file) {
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uint8_t pad[8];
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file.read((uint8_t *)&_prefs.airtime_factor, sizeof(float)); // 0
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file.read((uint8_t *)_prefs.node_name, sizeof(_prefs.node_name)); // 4
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file.read(pad, 4); // 36
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file.read((uint8_t *)&node_lat, sizeof(node_lat)); // 40
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file.read((uint8_t *)&node_lon, sizeof(node_lon)); // 48
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file.read((uint8_t *)&_prefs.freq, sizeof(_prefs.freq)); // 56
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file.read((uint8_t *)&_prefs.sf, sizeof(_prefs.sf)); // 60
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file.read((uint8_t *)&_prefs.cr, sizeof(_prefs.cr)); // 61
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file.read(pad, 1); // 62
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file.read((uint8_t *)&_prefs.manual_add_contacts, sizeof(_prefs.manual_add_contacts)); // 63
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file.read((uint8_t *)&_prefs.bw, sizeof(_prefs.bw)); // 64
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file.read((uint8_t *)&_prefs.tx_power_dbm, sizeof(_prefs.tx_power_dbm)); // 68
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file.read((uint8_t *)&_prefs.telemetry_mode_base, sizeof(_prefs.telemetry_mode_base)); // 69
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file.read((uint8_t *)&_prefs.telemetry_mode_loc, sizeof(_prefs.telemetry_mode_loc)); // 70
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file.read((uint8_t *)&_prefs.telemetry_mode_env, sizeof(_prefs.telemetry_mode_env)); // 71
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file.read((uint8_t *)&_prefs.rx_delay_base, sizeof(_prefs.rx_delay_base)); // 72
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file.read((uint8_t *)&_prefs.advert_loc_policy, sizeof(_prefs.advert_loc_policy)); // 76
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file.read((uint8_t *)&_prefs.multi_acks, sizeof(_prefs.multi_acks)); // 77
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file.read(pad, 2); // 78
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file.read((uint8_t *)&_prefs.ble_pin, sizeof(_prefs.ble_pin)); // 80
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file.close();
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}
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}
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void DataStore::savePrefs(const NodePrefs& _prefs, double node_lat, double node_lon) {
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File file = openWrite(_fs, "/new_prefs");
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if (file) {
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uint8_t pad[8];
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memset(pad, 0, sizeof(pad));
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file.write((uint8_t *)&_prefs.airtime_factor, sizeof(float)); // 0
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file.write((uint8_t *)_prefs.node_name, sizeof(_prefs.node_name)); // 4
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file.write(pad, 4); // 36
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file.write((uint8_t *)&node_lat, sizeof(node_lat)); // 40
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file.write((uint8_t *)&node_lon, sizeof(node_lon)); // 48
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file.write((uint8_t *)&_prefs.freq, sizeof(_prefs.freq)); // 56
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file.write((uint8_t *)&_prefs.sf, sizeof(_prefs.sf)); // 60
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file.write((uint8_t *)&_prefs.cr, sizeof(_prefs.cr)); // 61
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file.write(pad, 1); // 62
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file.write((uint8_t *)&_prefs.manual_add_contacts, sizeof(_prefs.manual_add_contacts)); // 63
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file.write((uint8_t *)&_prefs.bw, sizeof(_prefs.bw)); // 64
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file.write((uint8_t *)&_prefs.tx_power_dbm, sizeof(_prefs.tx_power_dbm)); // 68
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file.write((uint8_t *)&_prefs.telemetry_mode_base, sizeof(_prefs.telemetry_mode_base)); // 69
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file.write((uint8_t *)&_prefs.telemetry_mode_loc, sizeof(_prefs.telemetry_mode_loc)); // 70
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file.write((uint8_t *)&_prefs.telemetry_mode_env, sizeof(_prefs.telemetry_mode_env)); // 71
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file.write((uint8_t *)&_prefs.rx_delay_base, sizeof(_prefs.rx_delay_base)); // 72
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file.write((uint8_t *)&_prefs.advert_loc_policy, sizeof(_prefs.advert_loc_policy)); // 76
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file.write((uint8_t *)&_prefs.multi_acks, sizeof(_prefs.multi_acks)); // 77
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file.write(pad, 2); // 78
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file.write((uint8_t *)&_prefs.ble_pin, sizeof(_prefs.ble_pin)); // 80
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file.close();
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}
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}
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void DataStore::loadContacts(DataStoreHost* host) {
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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if (_getContactsChannelsFS()->exists("/contacts3")) {
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File file = _getContactsChannelsFS()->open("/contacts3");
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#elif defined(RP2040_PLATFORM)
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if (_fs->exists("/contacts3")) {
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File file = _fs->open("/contacts3", "r");
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#else
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if (_fs->exists("/contacts3")) {
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File file = _fs->open("/contacts3", "r", false);
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#endif
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if (file) {
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bool full = false;
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while (!full) {
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ContactInfo c;
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uint8_t pub_key[32];
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uint8_t unused;
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bool success = (file.read(pub_key, 32) == 32);
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success = success && (file.read((uint8_t *)&c.name, 32) == 32);
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success = success && (file.read(&c.type, 1) == 1);
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success = success && (file.read(&c.flags, 1) == 1);
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success = success && (file.read(&unused, 1) == 1);
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success = success && (file.read((uint8_t *)&c.sync_since, 4) == 4); // was 'reserved'
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success = success && (file.read((uint8_t *)&c.out_path_len, 1) == 1);
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success = success && (file.read((uint8_t *)&c.last_advert_timestamp, 4) == 4);
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success = success && (file.read(c.out_path, 64) == 64);
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success = success && (file.read((uint8_t *)&c.lastmod, 4) == 4);
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success = success && (file.read((uint8_t *)&c.gps_lat, 4) == 4);
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success = success && (file.read((uint8_t *)&c.gps_lon, 4) == 4);
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if (!success) break; // EOF
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c.id = mesh::Identity(pub_key);
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if (!host->onContactLoaded(c)) full = true;
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}
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file.close();
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}
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}
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}
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void DataStore::saveContacts(DataStoreHost* host) {
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File file = openWrite(_getContactsChannelsFS(), "/contacts3");
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if (file) {
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uint32_t idx = 0;
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ContactInfo c;
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uint8_t unused = 0;
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while (host->getContactForSave(idx, c)) {
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bool success = (file.write(c.id.pub_key, 32) == 32);
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success = success && (file.write((uint8_t *)&c.name, 32) == 32);
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success = success && (file.write(&c.type, 1) == 1);
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success = success && (file.write(&c.flags, 1) == 1);
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success = success && (file.write(&unused, 1) == 1);
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success = success && (file.write((uint8_t *)&c.sync_since, 4) == 4);
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success = success && (file.write((uint8_t *)&c.out_path_len, 1) == 1);
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success = success && (file.write((uint8_t *)&c.last_advert_timestamp, 4) == 4);
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success = success && (file.write(c.out_path, 64) == 64);
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success = success && (file.write((uint8_t *)&c.lastmod, 4) == 4);
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success = success && (file.write((uint8_t *)&c.gps_lat, 4) == 4);
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success = success && (file.write((uint8_t *)&c.gps_lon, 4) == 4);
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if (!success) break; // write failed
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idx++; // advance to next contact
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}
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file.close();
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}
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}
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void DataStore::loadChannels(DataStoreHost* host) {
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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if (_getContactsChannelsFS()->exists("/channels2")) {
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File file = _getContactsChannelsFS()->open("/channels2");
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#elif defined(RP2040_PLATFORM)
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if (_fs->exists("/channels2")) {
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File file = _fs->open("/channels2", "r");
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#else
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if (_fs->exists("/channels2")) {
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File file = _fs->open("/channels2", "r", false);
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#endif
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if (file) {
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bool full = false;
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uint8_t channel_idx = 0;
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while (!full) {
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ChannelDetails ch;
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uint8_t unused[4];
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bool success = (file.read(unused, 4) == 4);
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success = success && (file.read((uint8_t *)ch.name, 32) == 32);
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success = success && (file.read((uint8_t *)ch.channel.secret, 32) == 32);
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if (!success) break; // EOF
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if (host->onChannelLoaded(channel_idx, ch)) {
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channel_idx++;
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} else {
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full = true;
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}
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}
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file.close();
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}
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}
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}
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void DataStore::saveChannels(DataStoreHost* host) {
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File file = openWrite(_getContactsChannelsFS(), "/channels2");
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if (file) {
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uint8_t channel_idx = 0;
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ChannelDetails ch;
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uint8_t unused[4];
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memset(unused, 0, 4);
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while (host->getChannelForSave(channel_idx, ch)) {
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bool success = (file.write(unused, 4) == 4);
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success = success && (file.write((uint8_t *)ch.name, 32) == 32);
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success = success && (file.write((uint8_t *)ch.channel.secret, 32) == 32);
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if (!success) break; // write failed
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channel_idx++;
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}
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file.close();
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}
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}
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#if defined(NRF52_PLATFORM) || defined(STM32_PLATFORM)
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#define MAX_ADVERT_PKT_LEN (2 + 32 + PUB_KEY_SIZE + 4 + SIGNATURE_SIZE + MAX_ADVERT_DATA_SIZE)
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struct BlobRec {
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uint32_t timestamp;
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uint8_t key[7];
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uint8_t len;
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uint8_t data[MAX_ADVERT_PKT_LEN];
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};
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void DataStore::checkAdvBlobFile() {
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if (!_getContactsChannelsFS()->exists("/adv_blobs")) {
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File file = openWrite(_getContactsChannelsFS(), "/adv_blobs");
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if (file) {
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BlobRec zeroes;
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memset(&zeroes, 0, sizeof(zeroes));
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for (int i = 0; i < MAX_BLOBRECS; i++) { // pre-allocate to fixed size
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file.write((uint8_t *) &zeroes, sizeof(zeroes));
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}
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file.close();
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}
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}
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}
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void DataStore::migrateToSecondaryFS() {
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// migrate old adv_blobs, contacts3 and channels2 files to secondary FS if they don't already exist
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if (!_fsExtra->exists("/adv_blobs")) {
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if (_fs->exists("/adv_blobs")) {
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File oldAdvBlobs = openRead(_fs, "/adv_blobs");
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File newAdvBlobs = openWrite(_fsExtra, "/adv_blobs");
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if (oldAdvBlobs && newAdvBlobs) {
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BlobRec rec;
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size_t count = 0;
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// Copy 20 BlobRecs from old to new
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while (count < 20 && oldAdvBlobs.read((uint8_t *)&rec, sizeof(rec)) == sizeof(rec)) {
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newAdvBlobs.seek(count * sizeof(BlobRec));
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newAdvBlobs.write((uint8_t *)&rec, sizeof(rec));
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count++;
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}
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}
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if (oldAdvBlobs) oldAdvBlobs.close();
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if (newAdvBlobs) newAdvBlobs.close();
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_fs->remove("/adv_blobs");
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}
|
|
}
|
|
if (!_fsExtra->exists("/contacts3")) {
|
|
if (_fs->exists("/contacts3")) {
|
|
File oldFile = openRead(_fs, "/contacts3");
|
|
File newFile = openWrite(_fsExtra, "/contacts3");
|
|
|
|
if (oldFile && newFile) {
|
|
uint8_t buf[64];
|
|
int n;
|
|
while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
|
|
newFile.write(buf, n);
|
|
}
|
|
}
|
|
if (oldFile) oldFile.close();
|
|
if (newFile) newFile.close();
|
|
_fs->remove("/contacts3");
|
|
}
|
|
}
|
|
if (!_fsExtra->exists("/channels2")) {
|
|
if (_fs->exists("/channels2")) {
|
|
File oldFile = openRead(_fs, "/channels2");
|
|
File newFile = openWrite(_fsExtra, "/channels2");
|
|
|
|
if (oldFile && newFile) {
|
|
uint8_t buf[64];
|
|
int n;
|
|
while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
|
|
newFile.write(buf, n);
|
|
}
|
|
}
|
|
if (oldFile) oldFile.close();
|
|
if (newFile) newFile.close();
|
|
_fs->remove("/channels2");
|
|
}
|
|
}
|
|
// cleanup nodes which have been testing the extra fs, copy _main.id and new_prefs back to primary
|
|
if (_fsExtra->exists("/_main.id")) {
|
|
if (_fs->exists("/_main.id")) {_fs->remove("/_main.id");}
|
|
File oldFile = openRead(_fsExtra, "/_main.id");
|
|
File newFile = openWrite(_fs, "/_main.id");
|
|
|
|
if (oldFile && newFile) {
|
|
uint8_t buf[64];
|
|
int n;
|
|
while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
|
|
newFile.write(buf, n);
|
|
}
|
|
}
|
|
if (oldFile) oldFile.close();
|
|
if (newFile) newFile.close();
|
|
_fsExtra->remove("/_main.id");
|
|
}
|
|
if (_fsExtra->exists("/new_prefs")) {
|
|
if (_fs->exists("/new_prefs")) {_fs->remove("/new_prefs");}
|
|
File oldFile = openRead(_fsExtra, "/new_prefs");
|
|
File newFile = openWrite(_fs, "/new_prefs");
|
|
|
|
if (oldFile && newFile) {
|
|
uint8_t buf[64];
|
|
int n;
|
|
while ((n = oldFile.read(buf, sizeof(buf))) > 0) {
|
|
newFile.write(buf, n);
|
|
}
|
|
}
|
|
if (oldFile) oldFile.close();
|
|
if (newFile) newFile.close();
|
|
_fsExtra->remove("/new_prefs");
|
|
}
|
|
// remove files from where they should not be anymore
|
|
if (_fs->exists("/adv_blobs")) {
|
|
_fs->remove("/adv_blobs");
|
|
}
|
|
if (_fs->exists("/contacts3")) {
|
|
_fs->remove("/contacts3");
|
|
}
|
|
if (_fs->exists("/channels2")) {
|
|
_fs->remove("/channels2");
|
|
}
|
|
if (_fsExtra->exists("/_main.id")) {
|
|
_fsExtra->remove("/_main.id");
|
|
}
|
|
if (_fsExtra->exists("/new_prefs")) {
|
|
_fsExtra->remove("/new_prefs");
|
|
}
|
|
}
|
|
|
|
uint8_t DataStore::getBlobByKey(const uint8_t key[], int key_len, uint8_t dest_buf[]) {
|
|
File file = _getContactsChannelsFS()->open("/adv_blobs");
|
|
uint8_t len = 0; // 0 = not found
|
|
if (file) {
|
|
BlobRec tmp;
|
|
while (file.read((uint8_t *) &tmp, sizeof(tmp)) == sizeof(tmp)) {
|
|
if (memcmp(key, tmp.key, sizeof(tmp.key)) == 0) { // only match by 7 byte prefix
|
|
len = tmp.len;
|
|
memcpy(dest_buf, tmp.data, len);
|
|
break;
|
|
}
|
|
}
|
|
file.close();
|
|
}
|
|
return len;
|
|
}
|
|
|
|
bool DataStore::putBlobByKey(const uint8_t key[], int key_len, const uint8_t src_buf[], uint8_t len) {
|
|
if (len < PUB_KEY_SIZE+4+SIGNATURE_SIZE || len > MAX_ADVERT_PKT_LEN) return false;
|
|
checkAdvBlobFile();
|
|
File file = _getContactsChannelsFS()->open("/adv_blobs", FILE_O_WRITE);
|
|
if (file) {
|
|
uint32_t pos = 0, found_pos = 0;
|
|
uint32_t min_timestamp = 0xFFFFFFFF;
|
|
|
|
// search for matching key OR evict by oldest timestmap
|
|
BlobRec tmp;
|
|
file.seek(0);
|
|
while (file.read((uint8_t *) &tmp, sizeof(tmp)) == sizeof(tmp)) {
|
|
if (memcmp(key, tmp.key, sizeof(tmp.key)) == 0) { // only match by 7 byte prefix
|
|
found_pos = pos;
|
|
break;
|
|
}
|
|
if (tmp.timestamp < min_timestamp) {
|
|
min_timestamp = tmp.timestamp;
|
|
found_pos = pos;
|
|
}
|
|
|
|
pos += sizeof(tmp);
|
|
}
|
|
|
|
memcpy(tmp.key, key, sizeof(tmp.key)); // just record 7 byte prefix of key
|
|
memcpy(tmp.data, src_buf, len);
|
|
tmp.len = len;
|
|
tmp.timestamp = _clock->getCurrentTime();
|
|
|
|
file.seek(found_pos);
|
|
file.write((uint8_t *) &tmp, sizeof(tmp));
|
|
|
|
file.close();
|
|
return true;
|
|
}
|
|
return false; // error
|
|
}
|
|
#else
|
|
uint8_t DataStore::getBlobByKey(const uint8_t key[], int key_len, uint8_t dest_buf[]) {
|
|
char path[64];
|
|
char fname[18];
|
|
|
|
if (key_len > 8) key_len = 8; // just use first 8 bytes (prefix)
|
|
mesh::Utils::toHex(fname, key, key_len);
|
|
sprintf(path, "/bl/%s", fname);
|
|
|
|
if (_fs->exists(path)) {
|
|
#if defined(RP2040_PLATFORM)
|
|
File f = _fs->open(path, "r");
|
|
#else
|
|
File f = _fs->open(path);
|
|
#endif
|
|
if (f) {
|
|
int len = f.read(dest_buf, 255); // currently MAX 255 byte blob len supported!!
|
|
f.close();
|
|
return len;
|
|
}
|
|
}
|
|
return 0; // not found
|
|
}
|
|
|
|
bool DataStore::putBlobByKey(const uint8_t key[], int key_len, const uint8_t src_buf[], uint8_t len) {
|
|
char path[64];
|
|
char fname[18];
|
|
|
|
if (key_len > 8) key_len = 8; // just use first 8 bytes (prefix)
|
|
mesh::Utils::toHex(fname, key, key_len);
|
|
sprintf(path, "/bl/%s", fname);
|
|
|
|
File f = openWrite(_fs, path);
|
|
if (f) {
|
|
int n = f.write(src_buf, len);
|
|
f.close();
|
|
if (n == len) return true; // success!
|
|
|
|
_fs->remove(path); // blob was only partially written!
|
|
}
|
|
return false; // error
|
|
}
|
|
#endif
|