mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
73 lines
1.9 KiB
C++
73 lines
1.9 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 "StreamInterface.h"
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#include "FileSyncState.h"
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#include "td/utils/Time.h"
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#include "td/utils/port/FileFd.h"
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#include "td/actor/actor.h"
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namespace td {
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class StreamToFileActor : public actor::Actor {
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public:
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struct Options {
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Options() {
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}
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double lazy_sync_delay = 10;
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double immediate_sync_delay = 0.001;
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};
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class Callback {
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public:
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virtual ~Callback() {
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}
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virtual void on_sync_state_changed() = 0;
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};
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StreamToFileActor(StreamReader reader, FileFd fd, FileSyncState::Writer sync_state, Options options = {});
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void set_callback(td::unique_ptr<Callback> callback);
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private:
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StreamReader reader_;
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FileFd fd_;
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Timestamp sync_at_;
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Options options_;
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FileSyncState::Writer sync_state_;
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unique_ptr<Callback> callback_;
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size_t flushed_size_{0};
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size_t synced_size_{0};
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TD_WARN_UNUSED_RESULT Result<bool> is_closed();
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Status do_flush_once();
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Status do_sync();
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void schedule_sync();
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TD_WARN_UNUSED_RESULT Result<bool> do_loop();
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void start_up() override;
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void loop() override;
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};
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} // namespace td
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