61 lines
1.5 KiB
C++
61 lines
1.5 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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#include "td/utils/logging.h"
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#include "td/utils/Status.h"
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namespace td {
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namespace detail {
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class BinlogEventsProcessor {
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public:
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Status add_event(BinlogEvent &&event) TD_WARN_UNUSED_RESULT {
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return do_event(std::move(event));
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}
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template <class CallbackT>
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void for_each(CallbackT &&callback) {
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for (size_t i = 0; i < ids_.size(); i++) {
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LOG_CHECK(i == 0 || ids_[i - 1] < ids_[i]) << ids_[i - 1] << " " << events_[i - 1].public_to_string() << " "
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<< ids_[i] << " " << events_[i].public_to_string();
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if ((ids_[i] & 1) == 0) {
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callback(events_[i]);
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}
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}
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}
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uint64 last_id() const {
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return last_id_;
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}
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int64 offset() const {
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return offset_;
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}
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int64 total_raw_events_size() const {
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return total_raw_events_size_;
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}
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private:
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// holds (id * 2 + was_deleted)
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std::vector<uint64> ids_;
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std::vector<BinlogEvent> events_;
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size_t total_events_{0};
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size_t empty_events_{0};
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uint64 last_id_{0};
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int64 offset_{0};
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int64 total_raw_events_size_{0};
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Status do_event(BinlogEvent &&event);
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void compactify();
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};
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} // namespace detail
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} // namespace td
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