8037fc6ffa
Bug: webrtc:342905193 No-Try: True Change-Id: Icc968be43b8830038ea9a1f5f604307220457807 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361021 Auto-Submit: Florent Castelli <orphis@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Florent Castelli <orphis@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42911}
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/*
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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_TX_RETRANSMISSION_ERROR_COUNTER_H_
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#define NET_DCSCTP_TX_RETRANSMISSION_ERROR_COUNTER_H_
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#include <functional>
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#include <string>
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#include <utility>
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#include "absl/strings/string_view.h"
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#include "net/dcsctp/public/dcsctp_options.h"
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namespace dcsctp {
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// The RetransmissionErrorCounter is a simple counter with a limit, and when
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// the limit is exceeded, the counter is exhausted and the connection will
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// be closed. It's incremented on retransmission errors, such as the T3-RTX
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// timer expiring, but also missing heartbeats and stream reset requests.
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class RetransmissionErrorCounter {
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public:
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RetransmissionErrorCounter(absl::string_view log_prefix,
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const DcSctpOptions& options)
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: log_prefix_(log_prefix), limit_(options.max_retransmissions) {}
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// Increments the retransmission timer. If the maximum error count has been
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// reached, `false` will be returned.
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bool Increment(absl::string_view reason);
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bool IsExhausted() const { return limit_.has_value() && counter_ > *limit_; }
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// Clears the retransmission errors.
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void Clear();
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// Returns its current value
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int value() const { return counter_; }
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private:
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const absl::string_view log_prefix_;
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const std::optional<int> limit_;
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int counter_ = 0;
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};
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} // namespace dcsctp
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#endif // NET_DCSCTP_TX_RETRANSMISSION_ERROR_COUNTER_H_
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