1 files changed, 86 insertions, 0 deletions
diff --git a/database/sqlite/sqlite_functions.h b/database/sqlite/sqlite_functions.h
new file mode 100644
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--- /dev/null
+++ b/database/sqlite/sqlite_functions.h
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_SQLITE_FUNCTIONS_H
+#define NETDATA_SQLITE_FUNCTIONS_H
+
+#include "daemon/common.h"
+#include "sqlite3.h"
+
+// return a node list
+struct node_instance_list {
+    uuid_t  node_id;
+    uuid_t  host_id;
+    char *hostname;
+    int live;
+    int queryable;
+    int hops;
+};
+
+typedef enum db_check_action_type {
+    DB_CHECK_NONE  = 0x0000,
+    DB_CHECK_INTEGRITY  = 0x0001,
+    DB_CHECK_FIX_DB = 0x0002,
+    DB_CHECK_RECLAIM_SPACE = 0x0004,
+    DB_CHECK_CONT = 0x00008
+} db_check_action_type_t;
+
+#define SQL_MAX_RETRY (100)
+#define SQLITE_INSERT_DELAY (10)        // Insert delay in case of lock
+
+#define CHECK_SQLITE_CONNECTION(db_meta)                                                                               \
+    if (unlikely(!db_meta)) {                                                                                          \
+        if (default_rrd_memory_mode != RRD_MEMORY_MODE_DBENGINE) {                                                     \
+            return 1;                                                                                                  \
+        }                                                                                                              \
+        error_report("Database has not been initialized");                                                             \
+        return 1;                                                                                                      \
+    }
+
+SQLITE_API int sqlite3_step_monitored(sqlite3_stmt *stmt);
+SQLITE_API int sqlite3_exec_monitored(
+    sqlite3 *db,                               /* An open database */
+    const char *sql,                           /* SQL to be evaluated */
+    int (*callback)(void*,int,char**,char**),  /* Callback function */
+    void *data,                                /* 1st argument to callback */
+    char **errmsg                              /* Error msg written here */
+    );
+
+// Initialization and shutdown
+int init_database_batch(sqlite3 *database, int rebuild, int init_type, const char *batch[]);
+int sql_init_database(db_check_action_type_t rebuild, int memory);
+void sql_close_database(void);
+
+// Helpers
+int bind_text_null(sqlite3_stmt *res, int position, const char *text, bool can_be_null);
+int prepare_statement(sqlite3 *database, const char *query, sqlite3_stmt **statement);
+int execute_insert(sqlite3_stmt *res);
+int file_is_migrated(char *path);
+int exec_statement_with_uuid(const char *sql, uuid_t *uuid);
+void add_migrated_file(char *path, uint64_t file_size);
+void db_execute(const char *cmd);
+
+// Look up functions
+int get_node_id(uuid_t *host_id, uuid_t *node_id);
+int get_host_id(uuid_t *node_id, uuid_t *host_id);
+struct node_instance_list *get_node_list(void);
+void sql_load_node_id(RRDHOST *host);
+char *get_hostname_by_node_id(char *node_id);
+int sql_find_chart_uuid(RRDHOST *host, RRDSET *st, uuid_t *store_uuid);
+int sql_find_dimension_uuid(RRDSET *st, RRDDIM *rd, uuid_t *store_uuid);
+
+// Help build archived hosts in memory when agent starts
+void sql_build_host_system_info(uuid_t *host_id, struct rrdhost_system_info *system_info);
+DICTIONARY *sql_load_host_labels(uuid_t *host_id);
+
+// For queries: To be removed when context queries are implemented
+void sql_rrdset2json(RRDHOST *host, BUFFER *wb);
+
+// TODO: move to metadata
+int update_node_id(uuid_t *host_id, uuid_t *node_id);
+
+void invalidate_node_instances(uuid_t *host_id, uuid_t *claim_id);
+
+// Provide statistics
+int sql_metadata_cache_stats(int op);
+
+#endif //NETDATA_SQLITE_FUNCTIONS_H