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76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of clio: https://github.com/XRPLF/clio
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Copyright (c) 2024, the clio developers.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include "etl/NetworkValidatedLedgers.hpp"
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#include <boost/signals2/connection.hpp>
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#include <chrono>
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#include <cstdint>
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#include <memory>
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#include <mutex>
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#include <optional>
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namespace etl {
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std::shared_ptr<NetworkValidatedLedgers>
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NetworkValidatedLedgers::makeValidatedLedgers()
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{
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return std::make_shared<NetworkValidatedLedgers>();
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}
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void
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NetworkValidatedLedgers::push(uint32_t idx)
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{
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std::lock_guard const lck(mtx_);
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if (!latest_ || idx > *latest_)
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latest_ = idx;
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notificationChannel_(idx);
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cv_.notify_all();
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}
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std::optional<uint32_t>
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NetworkValidatedLedgers::getMostRecent()
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{
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std::unique_lock lck(mtx_);
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cv_.wait(lck, [this]() { return latest_; });
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return latest_;
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}
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bool
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NetworkValidatedLedgers::waitUntilValidatedByNetwork(uint32_t sequence, std::optional<uint32_t> maxWaitMs)
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{
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std::unique_lock lck(mtx_);
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auto pred = [sequence, this]() -> bool { return (latest_ && sequence <= *latest_); };
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if (maxWaitMs) {
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cv_.wait_for(lck, std::chrono::milliseconds(*maxWaitMs));
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} else {
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cv_.wait(lck, pred);
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}
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return pred();
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}
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boost::signals2::scoped_connection
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NetworkValidatedLedgers::subscribe(SignalType::slot_type const& subscriber)
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{
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return notificationChannel_.connect(subscriber);
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}
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} // namespace etl
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