50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/db/binlog/BinlogEvent.h"
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#include "td/utils/common.h"
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namespace td {
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namespace detail {
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class BinlogEventsBuffer {
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public:
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void add_event(BinlogEvent &&event);
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bool need_flush() const;
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template <class CallbackT>
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void flush(CallbackT &&callback) {
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for (size_t i = 0; i < ids_.size(); i++) {
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auto &event = events_[i];
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if (i + 1 != ids_.size() && (event.flags_ & BinlogEvent::Flags::Partial) == 0) {
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callback(BinlogEvent(BinlogEvent::create_raw(event.id_, event.type_, event.flags_ | BinlogEvent::Flags::Partial,
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create_storer(event.data_)),
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BinlogDebugInfo{__FILE__, __LINE__}));
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} else {
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callback(std::move(event));
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}
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}
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clear();
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}
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size_t size() const {
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return size_;
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}
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private:
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vector<uint64> ids_;
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vector<BinlogEvent> events_;
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size_t total_events_{0};
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size_t size_{0};
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void do_event(BinlogEvent &&event);
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void clear();
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};
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} // namespace detail
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} // namespace td
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