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/*
* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef NET_DCSCTP_PUBLIC_TIMEOUT_H_
#define NET_DCSCTP_PUBLIC_TIMEOUT_H_
#include <cstdint>
#include "net/dcsctp/public/types.h"
namespace dcsctp {
// A very simple timeout that can be started and stopped. When started,
// it will be given a unique `timeout_id` which should be provided to
// `DcSctpSocket::HandleTimeout` when it expires.
class Timeout {
public:
virtual ~Timeout() = default;
// Called to start time timeout, with the duration in milliseconds as
// `duration` and with the timeout identifier as `timeout_id`, which - if
// the timeout expires - shall be provided to `DcSctpSocket::HandleTimeout`.
//
// `Start` and `Stop` will always be called in pairs. In other words will
// ´Start` never be called twice, without a call to `Stop` in between.
virtual void Start(DurationMs duration, TimeoutID timeout_id) = 0;
// Called to stop the running timeout.
//
// `Start` and `Stop` will always be called in pairs. In other words will
// ´Start` never be called twice, without a call to `Stop` in between.
//
// `Stop` will always be called prior to releasing this object.
virtual void Stop() = 0;
// Called to restart an already running timeout, with the `duration` and
// `timeout_id` parameters as described in `Start`. This can be overridden by
// the implementation to restart it more efficiently.
virtual void Restart(DurationMs duration, TimeoutID timeout_id) {
Stop();
Start(duration, timeout_id);
}
};
} // namespace dcsctp
#endif // NET_DCSCTP_PUBLIC_TIMEOUT_H_
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