#ifndef __DBWRAP_H__
#define __DBWRAP_H__
+#include "replace.h"
+#include <talloc.h>
+#include <tevent.h>
+#include "libcli/util/ntstatus.h"
#include "tdb.h"
struct db_record;
struct db_context;
enum dbwrap_lock_order {
+ DBWRAP_LOCK_ORDER_NONE = 0, /* Don't check lock orders for this db. */
+ /*
+ * We only allow orders 1, 2, 3:
+ * These are the orders that CTDB currently supports.
+ */
DBWRAP_LOCK_ORDER_1 = 1,
DBWRAP_LOCK_ORDER_2 = 2,
DBWRAP_LOCK_ORDER_3 = 3
};
+#define DBWRAP_FLAG_NONE 0x0000000000000000ULL
+#define DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS 0x0000000000000001ULL
+
+enum dbwrap_req_state {
+ /**
+ * We are creating the request
+ */
+ DBWRAP_REQ_INIT,
+ /**
+ * The request is queued and waiting to be dispatched
+ */
+ DBWRAP_REQ_QUEUED,
+ /**
+ * We are waiting to receive the reply
+ */
+ DBWRAP_REQ_DISPATCHED,
+ /**
+ * The request is finished
+ */
+ DBWRAP_REQ_DONE,
+ /**
+ * The request errored out
+ */
+ DBWRAP_REQ_ERROR
+};
+
/* The following definitions come from lib/dbwrap.c */
TDB_DATA dbwrap_record_get_key(const struct db_record *rec);
TDB_DATA dbwrap_record_get_value(const struct db_record *rec);
NTSTATUS dbwrap_record_store(struct db_record *rec, TDB_DATA data, int flags);
+NTSTATUS dbwrap_record_storev(struct db_record *rec,
+ const TDB_DATA *dbufs, int num_dbufs, int flags);
NTSTATUS dbwrap_record_delete(struct db_record *rec);
struct db_record *dbwrap_fetch_locked(struct db_context *db,
TALLOC_CTX *mem_ctx,
TALLOC_CTX *mem_ctx,
TDB_DATA key);
struct db_context *dbwrap_record_get_db(struct db_record *rec);
-void dbwrap_set_stored_callback(
- struct db_context *db,
- void (*cb)(struct db_context *db, struct db_record *rec,
- void *private_data),
- void *private_data);
+
+NTSTATUS dbwrap_do_locked(struct db_context *db, TDB_DATA key,
+ void (*fn)(struct db_record *rec,
+ void *private_data),
+ void *private_data);
NTSTATUS dbwrap_delete(struct db_context *db, TDB_DATA key);
NTSTATUS dbwrap_store(struct db_context *db, TDB_DATA key,
void (*parser)(TDB_DATA key, TDB_DATA data,
void *private_data),
void *private_data);
+/**
+ * Async implementation of dbwrap_parse_record
+ *
+ * @param[in] mem_ctx talloc memory context to use.
+ *
+ * @param[in] ev tevent context to use
+ *
+ * @param[in] db Database to query
+ *
+ * @param[in] key Record key, the function makes a copy of this
+ *
+ * @param[in] parser Parser callback function
+ *
+ * @param[in] private_data Private data for the callback function
+ *
+ * @param[out] req_state Pointer to a enum dbwrap_req_state variable
+ *
+ * @note req_state is updated in the send function. To determine the final
+ * result of the request the caller should therefor not rely on req_state. The
+ * primary use case is to give the caller an indication whether the request is
+ * already sent to ctdb (DBWRAP_REQ_DISPATCHED) or if it's still stuck in the
+ * sendqueue (DBWRAP_REQ_QUEUED).
+ **/
+struct tevent_req *dbwrap_parse_record_send(
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct db_context *db,
+ TDB_DATA key,
+ void (*parser)(TDB_DATA key, TDB_DATA data, void *private_data),
+ void *private_data,
+ enum dbwrap_req_state *req_state);
+NTSTATUS dbwrap_parse_record_recv(struct tevent_req *req);
int dbwrap_wipe(struct db_context *db);
+int dbwrap_check(struct db_context *db);
int dbwrap_get_seqnum(struct db_context *db);
+/* Returns 0 if unknown. */
int dbwrap_transaction_start(struct db_context *db);
+NTSTATUS dbwrap_transaction_start_nonblock(struct db_context *db);
int dbwrap_transaction_commit(struct db_context *db);
int dbwrap_transaction_cancel(struct db_context *db);
-void dbwrap_db_id(struct db_context *db, const uint8_t **id, size_t *idlen);
-
+size_t dbwrap_db_id(struct db_context *db, uint8_t *id, size_t idlen);
+bool dbwrap_is_persistent(struct db_context *db);
+const char *dbwrap_name(struct db_context *db);
/* The following definitions come from lib/dbwrap_util.c */
+NTSTATUS dbwrap_purge(struct db_context *db, TDB_DATA key);
+NTSTATUS dbwrap_purge_bystring(struct db_context *db, const char *key);
NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
TDB_DATA data, int flags);
NTSTATUS dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key, TDB_DATA *value);
+NTSTATUS dbwrap_fetch_int32(struct db_context *db, TDB_DATA key,
+ int32_t *result);
NTSTATUS dbwrap_fetch_int32_bystring(struct db_context *db, const char *keystr,
int32_t *result);
NTSTATUS dbwrap_store_int32_bystring(struct db_context *db, const char *keystr,
const char *keystr,
uint32_t *oldval,
uint32_t change_val);
+NTSTATUS dbwrap_change_int32_atomic(struct db_context *db,
+ TDB_DATA key,
+ int32_t *oldval,
+ int32_t change_val);
NTSTATUS dbwrap_change_int32_atomic_bystring(struct db_context *db,
const char *keystr,
int32_t *oldval,
NTSTATUS dbwrap_fetch_bystring_upper(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key, TDB_DATA *value);
+size_t dbwrap_marshall(struct db_context *db, uint8_t *buf, size_t bufsize);
+NTSTATUS dbwrap_parse_marshall_buf(const uint8_t *buf, size_t buflen,
+ bool (*fn)(TDB_DATA key, TDB_DATA value,
+ void *private_data),
+ void *private_data);
+NTSTATUS dbwrap_unmarshall(struct db_context *db, const uint8_t *buf,
+ size_t buflen);
+
+TDB_DATA dbwrap_merge_dbufs(TALLOC_CTX *mem_ctx,
+ const TDB_DATA *dbufs, int num_dbufs);
+
+
/**
- * This opens an ntdb or tdb file: you can hand it a .ntdb or .tdb extension
- * and it will decide (based on parameter settings, or else what exists) which
- * to use.
- *
- * For backwards compatibility, it takes tdb-style open flags, not ntdb!
+ * This opens a tdb file
*/
struct db_context *dbwrap_local_open(TALLOC_CTX *mem_ctx,
- struct loadparm_context *lp_ctx,
const char *name,
int hash_size, int tdb_flags,
int open_flags, mode_t mode,
- enum dbwrap_lock_order lock_order);
+ enum dbwrap_lock_order lock_order,
+ uint64_t dbwrap_flags);
#endif /* __DBWRAP_H__ */
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