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