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