cc6e619aa9
This method takes a data_source and returns another data_source that returns data from the input source but in chunks of limited size. Signed-off-by: Piotr Jastrzebski <piotr@scylladb.com>
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
/*
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* Copyright (C) 2017 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla 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 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla 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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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stddef.h>
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#include <seastar/util/noncopyable_function.hh>
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namespace seastar {
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class data_source;
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}
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/// \brief Creates an data_source from another data_source but returns its data in chunks not bigger than a given limit
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///
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/// \param src Source data_source from which data will be taken
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/// \return resulting data_source that returns data in chunks not bigger than a given limit
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seastar::data_source make_limiting_data_source(seastar::data_source&& src,
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seastar::noncopyable_function<size_t()>&& limit_generator);
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