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115 lines
4 KiB
C++
115 lines
4 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ifndef TOKUTXN_H
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#define TOKUTXN_H
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#ident "$Id$"
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#ident "Copyright (c) 2007-2012 Tokutek Inc. All rights reserved."
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#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
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#include "txn_manager.h"
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void toku_txn_lock(TOKUTXN txn);
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void toku_txn_unlock(TOKUTXN txn);
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uint64_t toku_txn_get_id(TOKUTXN txn);
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int toku_txn_begin_txn (
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DB_TXN *container_db_txn,
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TOKUTXN parent_tokutxn,
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TOKUTXN *tokutxn,
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TOKULOGGER logger,
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TXN_SNAPSHOT_TYPE snapshot_type
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);
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DB_TXN * toku_txn_get_container_db_txn (TOKUTXN tokutxn);
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void toku_txn_set_container_db_txn (TOKUTXN, DB_TXN*);
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// toku_txn_begin_with_xid is called from recovery and has no containing DB_TXN
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int toku_txn_begin_with_xid (
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TOKUTXN parent_tokutxn,
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TOKUTXN *tokutxn,
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TOKULOGGER logger,
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TXNID xid,
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TXN_SNAPSHOT_TYPE snapshot_type,
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DB_TXN *container_db_txn,
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bool for_recovery
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);
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// Allocate and initialize a txn
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void toku_txn_create_txn(TOKUTXN *txn_ptr, TOKUTXN parent, TOKULOGGER logger, TXN_SNAPSHOT_TYPE snapshot_type, DB_TXN *container_db_txn, XIDS xids, bool for_checkpoint);
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void toku_txn_update_xids_in_txn(TOKUTXN txn, TXNID xid);
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int toku_txn_load_txninfo (TOKUTXN txn, TXNINFO info);
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int toku_txn_commit_txn (TOKUTXN txn, int nosync,
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TXN_PROGRESS_POLL_FUNCTION poll, void *poll_extra);
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int toku_txn_commit_with_lsn(TOKUTXN txn, int nosync, LSN oplsn,
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TXN_PROGRESS_POLL_FUNCTION poll, void *poll_extra);
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int toku_txn_abort_txn(TOKUTXN txn,
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TXN_PROGRESS_POLL_FUNCTION poll, void *poll_extra);
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int toku_txn_abort_with_lsn(TOKUTXN txn, LSN oplsn,
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TXN_PROGRESS_POLL_FUNCTION poll, void *poll_extra);
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void toku_txn_prepare_txn (TOKUTXN txn, TOKU_XA_XID *xid);
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// Effect: Do the internal work of preparing a transaction (does not log the prepare record).
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void toku_txn_get_prepared_xa_xid (TOKUTXN, TOKU_XA_XID *);
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// Effect: Fill in the XID information for a transaction. The caller allocates the XID and the function fills in values.
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void toku_txn_maybe_fsync_log(TOKULOGGER logger, LSN do_fsync_lsn, bool do_fsync);
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void toku_txn_get_fsync_info(TOKUTXN ttxn, bool* do_fsync, LSN* do_fsync_lsn);
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// Complete and destroy a txn
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void toku_txn_close_txn(TOKUTXN txn);
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// Remove a txn from any live txn lists
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void toku_txn_complete_txn(TOKUTXN txn);
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// Free the memory of a txn
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void toku_txn_destroy_txn(TOKUTXN txn);
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XIDS toku_txn_get_xids (TOKUTXN);
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// Force fsync on commit
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void toku_txn_force_fsync_on_commit(TOKUTXN txn);
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typedef enum {
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TXN_BEGIN, // total number of transactions begun (does not include recovered txns)
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TXN_COMMIT, // successful commits
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TXN_ABORT,
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TXN_CLOSE, // should be sum of aborts and commits
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TXN_NUM_OPEN, // should be begin - close
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TXN_MAX_OPEN, // max value of num_open
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TXN_STATUS_NUM_ROWS
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} txn_status_entry;
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typedef struct {
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bool initialized;
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TOKU_ENGINE_STATUS_ROW_S status[TXN_STATUS_NUM_ROWS];
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} TXN_STATUS_S, *TXN_STATUS;
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void toku_txn_get_status(TXN_STATUS s);
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bool toku_is_txn_in_live_root_txn_list(const xid_omt_t &live_root_txn_list, TXNID xid);
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TXNID toku_get_oldest_in_live_root_txn_list(TOKUTXN txn);
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#include "txn_state.h"
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TOKUTXN_STATE toku_txn_get_state(TOKUTXN txn);
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struct tokulogger_preplist {
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TOKU_XA_XID xid;
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DB_TXN *txn;
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};
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int toku_logger_recover_txn (TOKULOGGER logger, struct tokulogger_preplist preplist[/*count*/], long count, /*out*/ long *retp, uint32_t flags);
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void toku_maybe_log_begin_txn_for_write_operation(TOKUTXN txn);
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// Return whether txn (or it's descendents) have done no work.
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bool toku_txn_is_read_only(TOKUTXN txn);
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#endif //TOKUTXN_H
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