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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/db/binlog/BinlogEvent.h"
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/Status.h"
namespace td {
namespace detail {
class BinlogEventsProcessor {
public:
Status add_event(BinlogEvent &&event) TD_WARN_UNUSED_RESULT {
return do_event(std::move(event));
}
template <class CallbackT>
void for_each(CallbackT &&callback) {
for (size_t i = 0; i < event_ids_.size(); i++) {
LOG_CHECK(i == 0 || event_ids_[i - 1] < event_ids_[i])
<< event_ids_[i - 1] << " " << events_[i - 1].public_to_string() << " " << event_ids_[i] << " "
<< events_[i].public_to_string();
if ((event_ids_[i] & 1) == 0) {
callback(events_[i]);
}
}
}
uint64 last_event_id() const {
return last_event_id_;
}
int64 offset() const {
return offset_;
}
int64 total_raw_events_size() const {
return total_raw_events_size_;
}
private:
// holds (event_id * 2 + was_deleted)
std::vector<uint64> event_ids_;
std::vector<BinlogEvent> events_;
size_t total_events_{0};
size_t empty_events_{0};
uint64 last_event_id_{0};
int64 offset_{0};
int64 total_raw_events_size_{0};
Status do_event(BinlogEvent &&event);
void compactify();
};
} // namespace detail
} // namespace td
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