Files
clio/src/etlng/LedgerPublisherInterface.hpp
2025-05-23 15:01:50 +01:00

75 lines
2.5 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2025, the clio developers.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#pragma once
#include <chrono>
#include <cstdint>
#include <optional>
namespace etlng {
/**
* @brief The interface of a scheduler for the extraction process
*/
struct LedgerPublisherInterface {
virtual ~LedgerPublisherInterface() = default;
/**
* @brief Publish the ledger by its sequence number
*
* @param seq The sequence number of the ledger
* @param maxAttempts The maximum number of attempts to publish the ledger; no limit if nullopt
* @param attemptsDelay The delay between attempts
* @return Whether the ledger was found in the database and published
*/
virtual bool
publish(
uint32_t seq,
std::optional<uint32_t> maxAttempts,
std::chrono::steady_clock::duration attemptsDelay = std::chrono::seconds{1}
) = 0;
/**
* @brief Get last publish time as a time point
*
* @return A std::chrono::time_point representing the time of the last publish
*/
virtual std::chrono::time_point<std::chrono::system_clock>
getLastPublish() const = 0;
/**
* @brief Get time passed since last ledger close, in seconds
*
* @return The number of seconds since the last ledger close as std::uint32_t
*/
virtual std::uint32_t
lastCloseAgeSeconds() const = 0;
/**
* @brief Get time passed since last publish, in seconds
*
* @return The number of seconds since the last publish as std::uint32_t
*/
virtual std::uint32_t
lastPublishAgeSeconds() const = 0;
};
} // namespace etlng