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54 lines
1.5 KiB
C++
54 lines
1.5 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 2017-2019 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 "td/actor/actor.h"
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#include "td/utils/port/FileFd.h"
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namespace td {
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class FileToStreamActor : public td::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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int64 limit{-1};
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double read_tail_each{-1};
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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 got_more() = 0;
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};
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FileToStreamActor(FileFd fd, StreamWriter writer, Options options = {});
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void set_callback(td::unique_ptr<Callback> callback);
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private:
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void got_more();
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void loop() override;
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FileFd fd_;
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StreamWriter writer_;
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td::unique_ptr<Callback> callback_;
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Options options_;
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};
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} // namespace td
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