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| 1 /* | 1 /* |
| 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #ifndef WEBRTC_API_RTCSTATSREPORT_H_ | 11 // TODO(hbos): Remove this file once Chromium uses the correct include path. |
| 12 #define WEBRTC_API_RTCSTATSREPORT_H_ | |
| 13 | 12 |
| 14 #include <map> | 13 #include "webrtc/api/stats/rtcstatsreport.h" |
| 15 #include <memory> | |
| 16 #include <string> | |
| 17 #include <vector> | |
| 18 | |
| 19 #include "webrtc/api/rtcstats.h" | |
| 20 #include "webrtc/base/refcount.h" | |
| 21 #include "webrtc/base/scoped_ref_ptr.h" | |
| 22 | |
| 23 namespace webrtc { | |
| 24 | |
| 25 // A collection of stats. | |
| 26 // This is accessible as a map from |RTCStats::id| to |RTCStats|. | |
| 27 class RTCStatsReport : public rtc::RefCountInterface { | |
| 28 public: | |
| 29 typedef std::map<std::string, std::unique_ptr<const RTCStats>> StatsMap; | |
| 30 | |
| 31 class ConstIterator { | |
| 32 public: | |
| 33 ConstIterator(const ConstIterator&& other); | |
| 34 ~ConstIterator(); | |
| 35 | |
| 36 ConstIterator& operator++(); | |
| 37 ConstIterator& operator++(int); | |
| 38 const RTCStats& operator*() const; | |
| 39 bool operator==(const ConstIterator& other) const; | |
| 40 bool operator!=(const ConstIterator& other) const; | |
| 41 | |
| 42 private: | |
| 43 friend class RTCStatsReport; | |
| 44 ConstIterator(const rtc::scoped_refptr<const RTCStatsReport>& report, | |
| 45 StatsMap::const_iterator it); | |
| 46 | |
| 47 // Reference report to make sure it is kept alive. | |
| 48 rtc::scoped_refptr<const RTCStatsReport> report_; | |
| 49 StatsMap::const_iterator it_; | |
| 50 }; | |
| 51 | |
| 52 static rtc::scoped_refptr<RTCStatsReport> Create(); | |
| 53 | |
| 54 RTCStatsReport(); | |
| 55 RTCStatsReport(const RTCStatsReport& other) = delete; | |
| 56 | |
| 57 bool AddStats(std::unique_ptr<const RTCStats> stats); | |
| 58 const RTCStats* Get(const std::string& id) const; | |
| 59 size_t size() const { return stats_.size(); } | |
| 60 | |
| 61 // Takes ownership of all the stats in |victim|, leaving it empty. | |
| 62 void TakeMembersFrom(rtc::scoped_refptr<RTCStatsReport> victim); | |
| 63 | |
| 64 // Stats iterators. Stats are ordered lexicographically on |RTCStats::id|. | |
| 65 ConstIterator begin() const; | |
| 66 ConstIterator end() const; | |
| 67 | |
| 68 // Gets the subset of stats that are of type |T|, where |T| is any class | |
| 69 // descending from |RTCStats|. | |
| 70 template<typename T> | |
| 71 std::vector<const T*> GetStatsOfType() const { | |
| 72 std::vector<const T*> stats_of_type; | |
| 73 for (const RTCStats& stats : *this) { | |
| 74 if (stats.type() == T::kType) | |
| 75 stats_of_type.push_back(&stats.cast_to<const T>()); | |
| 76 } | |
| 77 return stats_of_type; | |
| 78 } | |
| 79 | |
| 80 friend class rtc::RefCountedObject<RTCStatsReport>; | |
| 81 | |
| 82 private: | |
| 83 ~RTCStatsReport() override; | |
| 84 | |
| 85 StatsMap stats_; | |
| 86 }; | |
| 87 | |
| 88 } // namespace webrtc | |
| 89 | |
| 90 #endif // WEBRTC_API_RTCSTATSREPORT_H_ | |
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