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43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
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/*
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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 "td/utils/Slice.h"
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#include "td/utils/Status.h"
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namespace td {
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class BinlogReaderInterface {
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public:
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virtual ~BinlogReaderInterface() {
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}
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// returns error or size
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// negative size means reader expects data.size() to be at least -size
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// positive size means first size bytes of data are processed and could be skipped
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virtual td::Result<td::int64> parse(td::Slice data) = 0;
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// called when all passed slices are invalidated
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// Till it is called reader may resue all slices given to it.
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// It makes possible to calculate crc32c in larger chunks
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// TODO: maybe we should just process all data that we can at once
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virtual void flush() {
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}
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};
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} // namespace td
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