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163 lines
4.2 KiB
C++
163 lines
4.2 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 FT_CACHETABLE_WRAPPERS_H
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#define FT_CACHETABLE_WRAPPERS_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 <fttypes.h>
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#include "cachetable.h"
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/**
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* Put an empty node (that is, no fields filled) into the cachetable.
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* In the process, write dependent nodes out for checkpoint if
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* necessary.
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*/
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void
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cachetable_put_empty_node_with_dep_nodes(
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FT h,
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uint32_t num_dependent_nodes,
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FTNODE* dependent_nodes,
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BLOCKNUM* name, //output
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uint32_t* fullhash, //output
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FTNODE* result
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);
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/**
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* Create a new ftnode with specified height and number of children.
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* In the process, write dependent nodes out for checkpoint if
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* necessary.
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*/
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void
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create_new_ftnode_with_dep_nodes(
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FT h,
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FTNODE *result,
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int height,
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int n_children,
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uint32_t num_dependent_nodes,
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FTNODE* dependent_nodes
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);
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/**
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* Create a new ftnode with specified height
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* and children.
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* Used for test functions only.
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*/
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void
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toku_create_new_ftnode (
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FT_HANDLE t,
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FTNODE *result,
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int height,
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int n_children
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);
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/**
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* Batched version of toku_pin_ftnode, see cachetable batched API for more
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* details.
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*/
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int
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toku_pin_ftnode_batched(
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FT_HANDLE brt,
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BLOCKNUM blocknum,
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uint32_t fullhash,
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UNLOCKERS unlockers,
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ANCESTORS ancestors,
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const PIVOT_BOUNDS pbounds,
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FTNODE_FETCH_EXTRA bfe,
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pair_lock_type lock_type,
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bool apply_ancestor_messages, // this bool is probably temporary, for #3972, once we know how range query estimates work, will revisit this
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FTNODE *node_p,
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bool* msgs_applied
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);
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/**
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* Unfortunately, this function is poorly named
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* as over time, client threads have also started
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* calling this function.
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* This function returns a pinned ftnode to the caller.
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* Unlike toku_pin_ftnode, this function blocks until the node is pinned.
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*/
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void
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toku_pin_ftnode_off_client_thread(
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FT h,
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BLOCKNUM blocknum,
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uint32_t fullhash,
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FTNODE_FETCH_EXTRA bfe,
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pair_lock_type lock_type,
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uint32_t num_dependent_nodes,
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FTNODE* dependent_nodes,
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FTNODE *node_p
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);
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void
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toku_pin_ftnode_off_client_thread_and_maybe_move_messages(
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FT h,
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BLOCKNUM blocknum,
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uint32_t fullhash,
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FTNODE_FETCH_EXTRA bfe,
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pair_lock_type lock_type,
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uint32_t num_dependent_nodes,
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FTNODE* dependent_nodes,
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FTNODE *node_p,
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bool move_messages
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);
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/**
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* This function may return a pinned ftnode to the caller, if pinning is cheap.
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* If the node is already locked, or is pending a checkpoint, the node is not pinned and -1 is returned.
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*/
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int toku_maybe_pin_ftnode_clean(FT ft, BLOCKNUM blocknum, uint32_t fullhash, pair_lock_type lock_type, FTNODE *nodep);
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/**
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* Batched version of toku_pin_ftnode_off_client_thread, see cachetable
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* batched API for more details.
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*/
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void
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toku_pin_ftnode_off_client_thread_batched_and_maybe_move_messages(
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FT h,
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BLOCKNUM blocknum,
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uint32_t fullhash,
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FTNODE_FETCH_EXTRA bfe,
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pair_lock_type lock_type,
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uint32_t num_dependent_nodes,
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FTNODE* dependent_nodes,
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FTNODE *node_p,
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bool move_messages
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);
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/**
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* Batched version of toku_pin_ftnode_off_client_thread, see cachetable
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* batched API for more details.
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*/
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void
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toku_pin_ftnode_off_client_thread_batched(
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FT h,
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BLOCKNUM blocknum,
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uint32_t fullhash,
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FTNODE_FETCH_EXTRA bfe,
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pair_lock_type lock_type,
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uint32_t num_dependent_nodes,
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FTNODE* dependent_nodes,
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FTNODE *node_p
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);
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/**
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* Effect: Unpin a brt node. Used for
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* nodes that were pinned off client thread.
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*/
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void
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toku_unpin_ftnode_off_client_thread(FT h, FTNODE node);
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/**
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* Effect: Unpin a brt node.
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* Used for nodes pinned on a client thread
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*/
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void
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toku_unpin_ftnode(FT h, FTNODE node);
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void
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toku_unpin_ftnode_read_only(FT ft, FTNODE node);
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#endif
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