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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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