/* * Copyright 2024 Google LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #pragma once #include #include #include "system/status_codes.h" #include "util/list.h" typedef enum { RamStorageFlagDirty = 1 << 0, } RamStorageFlag; typedef struct { ListNode node; uint8_t flags; uint8_t *key; int key_len; uint8_t *val; int val_len; } RamStorageEntry; typedef struct { RamStorageEntry *entries; } RamStorage; RamStorage ram_storage_create(void); status_t ram_storage_insert(RamStorage *storage, const uint8_t *key, int key_len, const uint8_t *val, int val_len); int ram_storage_get_len(RamStorage *storage, const uint8_t *key, int key_len); status_t ram_storage_read(RamStorage *storage, const uint8_t *key, int key_len, uint8_t *val_out, int val_len); status_t ram_storage_delete(RamStorage *storage, const uint8_t *key, int key_len); status_t ram_storage_flush(RamStorage *storage); typedef bool (RamStorageEachCb)(RamStorageEntry *entry, void *context); status_t ram_storage_each(RamStorage *storage, RamStorageEachCb cb, void *context); status_t ram_storage_is_dirty(RamStorage *storage, bool *is_dirty_out); status_t ram_storage_mark_synced(RamStorage *storage, uint8_t *key, int key_len);