Files
clio/src/etl/NetworkValidatedLedgersInterface.hpp
Sergey Kuznetsov da10535bc0 Cover LoadBalancer with tests (#1394)
Fixes #680. Fixes #1222.
2024-05-15 14:02:36 +01:00

65 lines
2.3 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2022, 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.
*/
//==============================================================================
/** @file */
#pragma once
#include <cstdint>
#include <optional>
namespace etl {
/**
* @brief An interface for NetworkValidatedLedgers
*/
class NetworkValidatedLedgersInterface {
public:
virtual ~NetworkValidatedLedgersInterface() = default;
/**
* @brief Notify the datastructure that idx has been validated by the network.
*
* @param idx Sequence validated by network
*/
virtual void
push(uint32_t idx) = 0;
/**
* @brief Get most recently validated sequence.
*
* If no ledgers are known to have been validated, this function waits until the next ledger is validated
*
* @return Sequence of most recently validated ledger. empty optional if the datastructure has been stopped
*/
virtual std::optional<uint32_t>
getMostRecent() = 0;
/**
* @brief Waits for the sequence to be validated by the network.
*
* @param sequence The sequence to wait for
* @param maxWaitMs Maximum time to wait for the sequence to be validated. If empty, wait indefinitely
* @return true if sequence was validated, false otherwise a return value of false means the datastructure has been
* stopped
*/
virtual bool
waitUntilValidatedByNetwork(uint32_t sequence, std::optional<uint32_t> maxWaitMs = {}) = 0;
};
} // namespace etl