Make vitastor_kv.h header public

src/vitastor_kv.h

@@ -0,0 +1,46 @@
+// Copyright (c) Vitaliy Filippov, 2019+
+// License: VNPL-1.1 (see README.md for details)
+//
+// Vitastor shared key/value database
+// Parallel optimistic B-Tree O:-)
+
+#pragma once
+
+#include <stdint.h>
+#include <sys/uio.h>
+
+#include <string>
+#include <map>
+#include <functional>
+
+#define VITASTOR_KV_API_VERSION 1
+
+class cluster_client_t;
+
+struct kv_db_t;
+
+struct kv_dbw_t
+{
+    // cli = vitastor_c_get_internal_client(client)
+    kv_dbw_t(cluster_client_t *cli);
+    ~kv_dbw_t();
+
+    void open(uint64_t inode_id, std::map<std::string, std::string> cfg, std::function<void(int)> cb);
+    void set_config(std::map<std::string, std::string> cfg);
+    void close(std::function<void()> cb);
+
+    uint64_t get_size();
+
+    void get(const std::string & key, std::function<void(int res, const std::string & value)> cb,
+        bool allow_old_cached = false);
+    void set(const std::string & key, const std::string & value, std::function<void(int res)> cb,
+        std::function<bool(int res, const std::string & value)> cas_compare = NULL);
+    void del(const std::string & key, std::function<void(int res)> cb,
+        std::function<bool(int res, const std::string & value)> cas_compare = NULL);
+
+    void* list_start(const std::string & start);
+    void list_next(void *handle, std::function<void(int res, const std::string & key, const std::string & value)> cb);
+    void list_close(void *handle);
+
+    kv_db_t *db;
+};