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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <Socket.hpp>
#include <mutex>
/// Simulates network latency for local debugging.
///
/// We are lifecycle managed internally based on the physical /
/// delayFd lifecycle.
///
/// An instance of Delay must be created before using the
/// static members and must outlive all sockets.
class Delay final
{
public:
Delay(std::size_t latencyMs);
~Delay();
static int create(int delayMs, int physicalFd);
static void dumpState(std::ostream &os);
private:
static std::shared_ptr<TerminatingPoll> DelayPoll;
static std::once_flag DelayPollOnceFlag;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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