96 lines
3.3 KiB
C
96 lines
3.3 KiB
C
/*
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* Copyright (C) 2023 Xiaomi Corporation
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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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#ifndef __INTERNAL_H
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#define __INTERNAL_H
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#include <stddef.h>
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#include <syslog.h>
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#define KVLOG(level, fmt, ...) \
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syslog(level, "[kvdb] [%s:%d] " fmt, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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#if defined(CONFIG_KVDB_LOG_INFO)
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#define KVINFO(fmt, ...) KVLOG(LOG_INFO, fmt, ##__VA_ARGS__)
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#define KVWARN(fmt, ...) KVLOG(LOG_WARNING, fmt, ##__VA_ARGS__)
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#define KVERR(fmt, ...) KVLOG(LOG_ERR, fmt, ##__VA_ARGS__)
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#elif defined(CONFIG_KVDB_LOG_WARN)
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#define KVINFO(fmt, ...)
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#define KVWARN(fmt, ...) KVLOG(LOG_WARNING, fmt, ##__VA_ARGS__)
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#define KVERR(fmt, ...) KVLOG(LOG_ERR, fmt, ##__VA_ARGS__)
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#elif defined(CONFIG_KVDB_LOG_ERR)
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#define KVINFO(fmt, ...)
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#define KVWARN(fmt, ...)
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#define KVERR(fmt, ...) KVLOG(LOG_ERR, fmt, ##__VA_ARGS__)
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#else
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#define KVINFO(fmt, ...)
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#define KVWARN(fmt, ...)
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#define KVERR(fmt, ...)
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#endif
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#define PROP_SERVER_PATH "kvdbd"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#define PERSIST_LABEL "persist."
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#define PERSIST_LABEL_LEN 8
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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enum {
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KVDB_PERSIST, /* save key-value pairs in flash */
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#ifdef CONFIG_KVDB_TEMPORARY_STORAGE
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KVDB_MEM, /* save key-value pairs in memory */
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#endif
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};
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struct kvdb;
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typedef void (*kvdb_consume)(const char* key, const void* value, size_t val_len, void* cookie);
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int kvdb_set(struct kvdb* kvdb, const char* key, size_t key_len, const void* value, size_t val_len, bool force);
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ssize_t kvdb_get(struct kvdb* kvdb, const char* key, size_t key_len, void* value, size_t val_len);
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int kvdb_delete(struct kvdb* kvdb, const char* key, size_t key_len);
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int kvdb_list(struct kvdb* kvdb, kvdb_consume consume, void* cookie);
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int kvdb_commit(struct kvdb* kvdb);
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int kvdb_init(struct kvdb** kvdb);
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void kvdb_uninit(struct kvdb* kvdb);
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int kvdb_persist_init(struct kvdb** kvdb);
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void kvdb_persist_uninit(struct kvdb* kvdb);
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int kvdb_persist_commit(struct kvdb* kvdb);
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int kvdb_persist_list(struct kvdb* kvdb, kvdb_consume consume, void* cookie);
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ssize_t kvdb_persist_get(struct kvdb* kvdb, const char* key, size_t key_len, void* value, size_t val_len);
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int kvdb_persist_set(struct kvdb* kvdb, const char* key, size_t key_len, const void* value, size_t val_len, bool force);
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int kvdb_persist_delete(struct kvdb* kvdb, const char* key, size_t key_len);
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#ifdef CONFIG_KVDB_TEMPORARY_STORAGE
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int kvdb_file_set(const char* path, const char* key, const void* value, size_t val_len);
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ssize_t kvdb_file_get(const char* path, const char* key, void* value, size_t val_len);
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int kvdb_file_list(const char* path, kvdb_consume consume, void* cookie);
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int kvdb_file_delete(const char* path, const char* key);
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#endif
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INTERNAL_H */
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