C++ (Cpp) clearNamespaces Examples

Example #1

File: nvs_storage.cpp Project: Exchizz/esp-idf

esp_err_t Storage::init(uint32_t baseSector, uint32_t sectorCount)
{
    auto err = mPageManager.load(baseSector, sectorCount);
    if (err != ESP_OK) {
        mState = StorageState::INVALID;
        return err;
    }

    // load namespaces list
    clearNamespaces();
    std::fill_n(mNamespaceUsage.data(), mNamespaceUsage.byteSize() / 4, 0);
    for (auto it = mPageManager.begin(); it != mPageManager.end(); ++it) {
        Page& p = *it;
        size_t itemIndex = 0;
        Item item;
        while (p.findItem(Page::NS_INDEX, ItemType::U8, nullptr, itemIndex, item) == ESP_OK) {
            NamespaceEntry* entry = new NamespaceEntry;
            item.getKey(entry->mName, sizeof(entry->mName) - 1);
            item.getValue(entry->mIndex);
            mNamespaces.push_back(entry);
            mNamespaceUsage.set(entry->mIndex, true);
            itemIndex += item.span;
        }
    }
    mNamespaceUsage.set(0, true);
    mNamespaceUsage.set(255, true);
    mState = StorageState::ACTIVE;
#ifndef ESP_PLATFORM
    debugCheck();
#endif
    return ESP_OK;
}

Example #2

esp_err_t Storage::init(uint32_t baseSector, uint32_t sectorCount)
{
    auto err = mPageManager.load(baseSector, sectorCount);
    if (err != ESP_OK) {
        mState = StorageState::INVALID;
        return err;
    }

    // load namespaces list
    clearNamespaces();
    std::fill_n(mNamespaceUsage.data(), mNamespaceUsage.byteSize() / 4, 0);
    for (auto it = mPageManager.begin(); it != mPageManager.end(); ++it) {
        Page& p = *it;
        size_t itemIndex = 0;
        Item item;
        while (p.findItem(Page::NS_INDEX, ItemType::U8, nullptr, itemIndex, item) == ESP_OK) {
            NamespaceEntry* entry = new NamespaceEntry;
            item.getKey(entry->mName, sizeof(entry->mName) - 1);
            item.getValue(entry->mIndex);
            mNamespaces.push_back(entry);
            mNamespaceUsage.set(entry->mIndex, true);
            itemIndex += item.span;
        }
    }
    mNamespaceUsage.set(0, true);
    mNamespaceUsage.set(255, true);
    mState = StorageState::ACTIVE;

    // Populate list of multi-page index entries.
    TBlobIndexList blobIdxList;
    populateBlobIndices(blobIdxList);

    // Remove the entries for which there is no parent multi-page index.
    eraseOrphanDataBlobs(blobIdxList);

    // Purge the blob index list
    blobIdxList.clearAndFreeNodes();

#ifndef ESP_PLATFORM
    debugCheck();
#endif
    return ESP_OK;
}

Example #3

File: nvs_storage.cpp Project: Exchizz/esp-idf

Storage::~Storage()
{
    clearNamespaces();
}