| /* |
| * 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. |
| */ |
| |
| #include "webrtc/api/stats/rtcstats.h" |
| |
| #include "webrtc/base/stringencode.h" |
| |
| namespace webrtc { |
| |
| namespace { |
| |
| // Produces "{ a, b, c }". Works for non-vector |RTCStatsMemberInterface::Type| |
| // types. |
| template<typename T> |
| std::string VectorToString(const std::vector<T>& vector) { |
| if (vector.empty()) |
| return "{}"; |
| std::ostringstream oss; |
| oss << "{ " << rtc::ToString<T>(vector[0]); |
| for (size_t i = 1; i < vector.size(); ++i) { |
| oss << ", " << rtc::ToString<T>(vector[i]); |
| } |
| oss << " }"; |
| return oss.str(); |
| } |
| |
| // Produces "{ \"a\", \"b\", \"c\" }". Works for vectors of both const char* and |
| // std::string element types. |
| template<typename T> |
| std::string VectorOfStringsToString(const std::vector<T>& strings) { |
| if (strings.empty()) |
| return "{}"; |
| std::ostringstream oss; |
| oss << "{ \"" << rtc::ToString<T>(strings[0]) << '\"'; |
| for (size_t i = 1; i < strings.size(); ++i) { |
| oss << ", \"" << rtc::ToString<T>(strings[i]) << '\"'; |
| } |
| oss << " }"; |
| return oss.str(); |
| } |
| |
| } // namespace |
| |
| std::string RTCStats::ToString() const { |
| std::ostringstream oss; |
| oss << type() << " {\n id: \"" << id_ << "\"\n timestamp: " |
| << timestamp_us_ << '\n'; |
| for (const RTCStatsMemberInterface* member : Members()) { |
| oss << " " << member->name() << ": "; |
| if (member->is_defined()) { |
| if (member->is_string()) |
| oss << '"' << member->ValueToString() << "\"\n"; |
| else |
| oss << member->ValueToString() << '\n'; |
| } else { |
| oss << "undefined\n"; |
| } |
| } |
| oss << '}'; |
| return oss.str(); |
| } |
| |
| std::vector<const RTCStatsMemberInterface*> RTCStats::Members() const { |
| return MembersOfThisObjectAndAncestors(0); |
| } |
| |
| std::vector<const RTCStatsMemberInterface*> |
| RTCStats::MembersOfThisObjectAndAncestors( |
| size_t additional_capacity) const { |
| std::vector<const RTCStatsMemberInterface*> members; |
| members.reserve(additional_capacity); |
| return members; |
| } |
| |
| #define WEBRTC_DEFINE_RTCSTATSMEMBER(T, type, is_seq, is_str, to_str) \ |
| template<> \ |
| const RTCStatsMemberInterface::Type RTCStatsMember<T>::kType = \ |
| RTCStatsMemberInterface::type; \ |
| template<> \ |
| bool RTCStatsMember<T>::is_sequence() const { return is_seq; } \ |
| template<> \ |
| bool RTCStatsMember<T>::is_string() const { return is_str; } \ |
| template<> \ |
| std::string RTCStatsMember<T>::ValueToString() const { \ |
| RTC_DCHECK(is_defined_); \ |
| return to_str; \ |
| } |
| |
| WEBRTC_DEFINE_RTCSTATSMEMBER(int32_t, kInt32, false, false, |
| rtc::ToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER(uint32_t, kUint32, false, false, |
| rtc::ToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER(int64_t, kInt64, false, false, |
| rtc::ToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER(uint64_t, kUint64, false, false, |
| rtc::ToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER(double, kDouble, false, false, |
| rtc::ToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER(std::string, kString, false, true, |
| value_); |
| WEBRTC_DEFINE_RTCSTATSMEMBER( |
| std::vector<int32_t>, kSequenceInt32, true, false, |
| VectorToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER( |
| std::vector<uint32_t>, kSequenceUint32, true, false, |
| VectorToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER( |
| std::vector<int64_t>, kSequenceInt64, true, false, |
| VectorToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER( |
| std::vector<uint64_t>, kSequenceUint64, true, false, |
| VectorToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER( |
| std::vector<double>, kSequenceDouble, true, false, |
| VectorToString(value_)); |
| WEBRTC_DEFINE_RTCSTATSMEMBER( |
| std::vector<std::string>, kSequenceString, true, false, |
| VectorOfStringsToString(value_)); |
| |
| } // namespace webrtc |