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https://github.com/ton-blockchain/ton
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d04cdfa0dc
* Parallel write in celldb * Add TD_PERF_COUNTER to gc_cell and store_cell * More error handling * Tests for prepare_commit_async * Install g++11 for ubuntu 20.04 --------- Co-authored-by: SpyCheese <mikle98@yandex.ru>
111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#pragma once
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#include "vm/cells.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Status.h"
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#include "td/actor/PromiseFuture.h"
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#include <thread>
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namespace td {
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class KeyValueReader;
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}
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namespace vm {
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class CellLoader;
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class CellStorer;
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} // namespace vm
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namespace vm {
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class ExtCellCreator {
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public:
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virtual ~ExtCellCreator() = default;
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virtual td::Result<Ref<Cell>> ext_cell(Cell::LevelMask level_mask, td::Slice hash, td::Slice depth) = 0;
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};
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class CellDbReader {
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public:
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virtual ~CellDbReader() = default;
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virtual td::Result<Ref<DataCell>> load_cell(td::Slice hash) = 0;
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};
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class DynamicBagOfCellsDb {
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public:
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virtual ~DynamicBagOfCellsDb() = default;
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virtual td::Result<Ref<DataCell>> load_cell(td::Slice hash) = 0;
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virtual td::Result<Ref<DataCell>> load_root(td::Slice hash) = 0;
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virtual td::Result<Ref<DataCell>> load_root_thread_safe(td::Slice hash) const = 0;
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struct Stats {
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td::int64 roots_total_count{0};
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td::int64 cells_total_count{0};
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td::int64 cells_total_size{0};
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std::vector<std::pair<std::string, std::string>> custom_stats;
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void apply_diff(const Stats &diff) {
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roots_total_count += diff.roots_total_count;
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cells_total_count += diff.cells_total_count;
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cells_total_size += diff.cells_total_size;
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CHECK(roots_total_count >= 0);
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CHECK(cells_total_count >= 0);
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CHECK(cells_total_size >= 0);
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}
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};
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virtual void inc(const Ref<Cell> &old_root) = 0;
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virtual void dec(const Ref<Cell> &old_root) = 0;
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virtual td::Status prepare_commit() = 0;
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virtual Stats get_stats_diff() = 0;
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virtual td::Result<Stats> get_stats() {
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return td::Status::Error("Not implemented");
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}
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virtual td::Status commit(CellStorer &) = 0;
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virtual std::shared_ptr<CellDbReader> get_cell_db_reader() = 0;
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// restart with new loader will also reset stats_diff
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virtual td::Status set_loader(std::unique_ptr<CellLoader> loader) = 0;
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virtual void set_celldb_compress_depth(td::uint32 value) = 0;
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virtual vm::ExtCellCreator &as_ext_cell_creator() = 0;
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static std::unique_ptr<DynamicBagOfCellsDb> create();
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struct CreateInMemoryOptions {
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size_t extra_threads{std::thread::hardware_concurrency()};
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bool verbose{true};
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// Allocated DataCels will never be deleted
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bool use_arena{false};
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// Almost no overhead in memory during creation, but will scan database twice
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bool use_less_memory_during_creation{true};
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};
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static std::unique_ptr<DynamicBagOfCellsDb> create_in_memory(td::KeyValueReader *kv, CreateInMemoryOptions options);
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class AsyncExecutor {
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public:
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virtual ~AsyncExecutor() {
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}
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virtual void execute_async(std::function<void()> f) = 0;
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virtual void execute_sync(std::function<void()> f) = 0;
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};
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virtual void load_cell_async(td::Slice hash, std::shared_ptr<AsyncExecutor> executor,
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td::Promise<Ref<DataCell>> promise) = 0;
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virtual void prepare_commit_async(std::shared_ptr<AsyncExecutor> executor, td::Promise<td::Unit> promise) = 0;
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};
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} // namespace vm
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