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45 lines
1.7 KiB
45 lines
1.7 KiB
/*
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* Copyright 2018 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 PC_RTC_STATS_TRAVERSAL_H_
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#define PC_RTC_STATS_TRAVERSAL_H_
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#include <string>
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#include <vector>
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#include "api/scoped_refptr.h"
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#include "api/stats/rtc_stats.h"
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#include "api/stats/rtc_stats_report.h"
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namespace webrtc {
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// Traverses the stats graph, taking all stats objects that are directly or
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// indirectly accessible from and including the stats objects identified by
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// |ids|, returning them as a new stats report.
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// This is meant to be used to implement the stats selection algorithm.
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// https://w3c.github.io/webrtc-pc/#dfn-stats-selection-algorithm
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rtc::scoped_refptr<RTCStatsReport> TakeReferencedStats(
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rtc::scoped_refptr<RTCStatsReport> report,
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const std::vector<std::string>& ids);
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// Gets pointers to the string values of any members in |stats| that are used as
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// references for looking up other stats objects in the same report by ID. The
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// pointers are valid for the lifetime of |stats| assumings its members are not
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// modified.
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//
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// For example, RTCCodecStats contains "transportId"
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// (RTCCodecStats::transport_id) referencing an RTCTransportStats.
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// https://w3c.github.io/webrtc-stats/#dom-rtccodecstats-transportid
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std::vector<const std::string*> GetStatsReferencedIds(const RTCStats& stats);
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} // namespace webrtc
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#endif // PC_RTC_STATS_TRAVERSAL_H_
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