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https://github.com/mollyim/webrtc.git
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4dbc7e4f2b
Bug: None Change-Id: I51833768a464896fd7b9306406ddbcc7e172b9cf Reviewed-on: https://webrtc-review.googlesource.com/43862 Reviewed-by: Björn Terelius <terelius@webrtc.org> Commit-Queue: Stefan Holmer <stefan@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21777}
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
/*
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* Copyright (c) 2015 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 MODULES_CONGESTION_CONTROLLER_SEND_TIME_HISTORY_H_
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#define MODULES_CONGESTION_CONTROLLER_SEND_TIME_HISTORY_H_
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#include <map>
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#include "modules/include/module_common_types.h"
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#include "rtc_base/basictypes.h"
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#include "rtc_base/constructormagic.h"
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namespace webrtc {
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class Clock;
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struct PacketFeedback;
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class SendTimeHistory {
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public:
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SendTimeHistory(const Clock* clock, int64_t packet_age_limit_ms);
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~SendTimeHistory();
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// Cleanup old entries, then add new packet info with provided parameters.
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void AddAndRemoveOld(const PacketFeedback& packet);
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// Updates packet info identified by |sequence_number| with |send_time_ms|.
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// Return false if not found.
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bool OnSentPacket(uint16_t sequence_number, int64_t send_time_ms);
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// Look up PacketFeedback for a sent packet, based on the sequence number, and
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// populate all fields except for arrival_time. The packet parameter must
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// thus be non-null and have the sequence_number field set.
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bool GetFeedback(PacketFeedback* packet_feedback, bool remove);
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size_t GetOutstandingBytes(uint16_t local_net_id,
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uint16_t remote_net_id) const;
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private:
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const Clock* const clock_;
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const int64_t packet_age_limit_ms_;
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SequenceNumberUnwrapper seq_num_unwrapper_;
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std::map<int64_t, PacketFeedback> history_;
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rtc::Optional<int64_t> latest_acked_seq_num_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(SendTimeHistory);
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};
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} // namespace webrtc
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#endif // MODULES_CONGESTION_CONTROLLER_SEND_TIME_HISTORY_H_
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