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