| /* |
| * Copyright 2016 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 WEBRTC_API_RTCSTATSREPORT_H_ |
| #define WEBRTC_API_RTCSTATSREPORT_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "webrtc/api/rtcstats.h" |
| #include "webrtc/base/refcount.h" |
| #include "webrtc/base/scoped_ref_ptr.h" |
| |
| namespace webrtc { |
| |
| // A collection of stats. |
| // This is accessible as a map from |RTCStats::id| to |RTCStats|. |
| class RTCStatsReport : public rtc::RefCountInterface { |
| public: |
| typedef std::map<std::string, std::unique_ptr<const RTCStats>> StatsMap; |
| |
| class ConstIterator { |
| public: |
| ConstIterator(const ConstIterator&& other); |
| ~ConstIterator(); |
| |
| ConstIterator& operator++(); |
| ConstIterator& operator++(int); |
| const RTCStats& operator*() const; |
| bool operator==(const ConstIterator& other) const; |
| bool operator!=(const ConstIterator& other) const; |
| |
| private: |
| friend class RTCStatsReport; |
| ConstIterator(const rtc::scoped_refptr<const RTCStatsReport>& report, |
| StatsMap::const_iterator it); |
| |
| // Reference report to make sure it is kept alive. |
| rtc::scoped_refptr<const RTCStatsReport> report_; |
| StatsMap::const_iterator it_; |
| }; |
| |
| static rtc::scoped_refptr<RTCStatsReport> Create(); |
| |
| RTCStatsReport(); |
| RTCStatsReport(const RTCStatsReport& other) = delete; |
| |
| bool AddStats(std::unique_ptr<const RTCStats> stats); |
| const RTCStats* Get(const std::string& id) const; |
| size_t size() const { return stats_.size(); } |
| |
| // Takes ownership of all the stats in |victim|, leaving it empty. |
| void TakeMembersFrom(rtc::scoped_refptr<RTCStatsReport> victim); |
| |
| // Stats iterators. Stats are ordered lexicographically on |RTCStats::id|. |
| ConstIterator begin() const; |
| ConstIterator end() const; |
| |
| // Gets the subset of stats that are of type |T|, where |T| is any class |
| // descending from |RTCStats|. |
| template<typename T> |
| std::vector<const T*> GetStatsOfType() const { |
| std::vector<const T*> stats_of_type; |
| for (const RTCStats& stats : *this) { |
| if (stats.type() == T::kType) |
| stats_of_type.push_back(&stats.cast_to<const T>()); |
| } |
| return stats_of_type; |
| } |
| |
| friend class rtc::RefCountedObject<RTCStatsReport>; |
| |
| private: |
| ~RTCStatsReport() override; |
| |
| StatsMap stats_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_API_RTCSTATSREPORT_H_ |