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141 lines
4.1 KiB
C++
141 lines
4.1 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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#ident "$Id$"
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/*======
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This file is part of PerconaFT.
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License, version 3,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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#pragma once
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#include "ft/cachetable/cachetable.h"
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#include "ft/ft-internal.h"
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#include "ft/node.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 ft,
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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 ft,
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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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// This function returns a pinned ftnode to the caller.
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int
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toku_pin_ftnode_for_query(
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FT_HANDLE ft_h,
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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 &bounds,
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ftnode_fetch_extra *bfe,
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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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// Pins an ftnode without dependent pairs
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void toku_pin_ftnode(
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FT ft,
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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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FTNODE *node_p,
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bool move_messages
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);
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// Pins an ftnode with dependent pairs
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// Unlike toku_pin_ftnode_for_query, this function blocks until the node is pinned.
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void toku_pin_ftnode_with_dep_nodes(
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FT ft,
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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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* Effect: Unpin an ftnode.
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*/
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void toku_unpin_ftnode(FT ft, FTNODE node);
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void toku_unpin_ftnode_read_only(FT ft, FTNODE node);
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// Effect: Swaps pair values of two pinned nodes
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void toku_ftnode_swap_pair_values(FTNODE nodea, FTNODE nodeb);
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