47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright (c) Vitaliy Filippov, 2019+
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// License: VNPL-1.1 (see README.md for details)
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//
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// Vitastor shared key/value database
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// Parallel optimistic B-Tree O:-)
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#pragma once
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#include <stdint.h>
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#include <sys/uio.h>
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#include <string>
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#include <map>
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#include <functional>
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#define VITASTOR_KV_API_VERSION 1
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class cluster_client_t;
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struct kv_db_t;
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struct kv_dbw_t
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{
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// cli = vitastor_c_get_internal_client(client)
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kv_dbw_t(cluster_client_t *cli);
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~kv_dbw_t();
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void open(uint64_t inode_id, std::map<std::string, std::string> cfg, std::function<void(int)> cb);
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void set_config(std::map<std::string, std::string> cfg);
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void close(std::function<void()> cb);
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uint64_t get_size();
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void get(const std::string & key, std::function<void(int res, const std::string & value)> cb,
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bool allow_old_cached = false);
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void set(const std::string & key, const std::string & value, std::function<void(int res)> cb,
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std::function<bool(int res, const std::string & value)> cas_compare = NULL);
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void del(const std::string & key, std::function<void(int res)> cb,
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std::function<bool(int res, const std::string & value)> cas_compare = NULL);
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void* list_start(const std::string & start);
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void list_next(void *handle, std::function<void(int res, const std::string & key, const std::string & value)> cb);
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void list_close(void *handle);
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kv_db_t *db;
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};
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