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| 1 /* |
| 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
| 3 * |
| 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 |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #include "webrtc/api/rtcstats.h" |
| 12 |
| 13 #include "webrtc/base/stringencode.h" |
| 14 |
| 15 namespace webrtc { |
| 16 |
| 17 namespace { |
| 18 |
| 19 // Produces "{ a, b, c }". Works for non-vector |RTCStatsMemberInterface::Type| |
| 20 // types. |
| 21 template<typename T> |
| 22 std::string VectorToString(const std::vector<T>& vector) { |
| 23 if (vector.empty()) |
| 24 return "{}"; |
| 25 std::ostringstream oss; |
| 26 oss << "{ " << rtc::ToString<T>(vector[0]); |
| 27 for (size_t i = 1; i < vector.size(); ++i) { |
| 28 oss << ", " << rtc::ToString<T>(vector[i]); |
| 29 } |
| 30 oss << " }"; |
| 31 return oss.str(); |
| 32 } |
| 33 |
| 34 // Produces "{ \"a\", \"b\", \"c\" }". Works for vectors of both const char* and |
| 35 // std::string element types. |
| 36 template<typename T> |
| 37 std::string VectorOfStringsToString(const std::vector<T>& strings) { |
| 38 if (strings.empty()) |
| 39 return "{}"; |
| 40 std::ostringstream oss; |
| 41 oss << "{ \"" << rtc::ToString<T>(strings[0]) << '\"'; |
| 42 for (size_t i = 1; i < strings.size(); ++i) { |
| 43 oss << ", \"" << rtc::ToString<T>(strings[i]) << '\"'; |
| 44 } |
| 45 oss << " }"; |
| 46 return oss.str(); |
| 47 } |
| 48 |
| 49 } // namespace |
| 50 |
| 51 std::string RTCStats::ToString() const { |
| 52 std::ostringstream oss; |
| 53 oss << type() << " {\n id: \"" << id_ << "\"\n timestamp: " |
| 54 << timestamp_ << '\n'; |
| 55 for (const RTCStatsMemberInterface* member : Members()) { |
| 56 oss << " " << member->name() << ": "; |
| 57 if (member->is_defined()) { |
| 58 if (member->is_string()) |
| 59 oss << '"' << member->ValueToString() << "\"\n"; |
| 60 else |
| 61 oss << member->ValueToString() << '\n'; |
| 62 } else { |
| 63 oss << "undefined\n"; |
| 64 } |
| 65 } |
| 66 oss << '}'; |
| 67 return oss.str(); |
| 68 } |
| 69 |
| 70 std::vector<const RTCStatsMemberInterface*> RTCStats::Members() const { |
| 71 return MembersOfThisObjectAndAncestors(0); |
| 72 } |
| 73 |
| 74 std::vector<const RTCStatsMemberInterface*> |
| 75 RTCStats::MembersOfThisObjectAndAncestors( |
| 76 size_t additional_capacity) const { |
| 77 std::vector<const RTCStatsMemberInterface*> members; |
| 78 members.reserve(additional_capacity); |
| 79 return members; |
| 80 } |
| 81 |
| 82 #define WEBRTC_DEFINE_RTCSTATSMEMBER(T, type, is_seq, is_str, to_str) \ |
| 83 template<> \ |
| 84 const RTCStatsMemberInterface::Type RTCStatsMember<T>::kType = \ |
| 85 RTCStatsMemberInterface::type; \ |
| 86 template<> \ |
| 87 bool RTCStatsMember<T>::is_sequence() const { return is_seq; } \ |
| 88 template<> \ |
| 89 bool RTCStatsMember<T>::is_string() const { return is_str; } \ |
| 90 template<> \ |
| 91 std::string RTCStatsMember<T>::ValueToString() const { \ |
| 92 RTC_DCHECK(is_defined_); \ |
| 93 return to_str; \ |
| 94 } |
| 95 |
| 96 WEBRTC_DEFINE_RTCSTATSMEMBER(int32_t, kInt32, false, false, |
| 97 rtc::ToString(value_)); |
| 98 WEBRTC_DEFINE_RTCSTATSMEMBER(uint32_t, kUint32, false, false, |
| 99 rtc::ToString(value_)); |
| 100 WEBRTC_DEFINE_RTCSTATSMEMBER(int64_t, kInt64, false, false, |
| 101 rtc::ToString(value_)); |
| 102 WEBRTC_DEFINE_RTCSTATSMEMBER(uint64_t, kUint64, false, false, |
| 103 rtc::ToString(value_)); |
| 104 WEBRTC_DEFINE_RTCSTATSMEMBER(double, kDouble, false, false, |
| 105 rtc::ToString(value_)); |
| 106 WEBRTC_DEFINE_RTCSTATSMEMBER(const char*, kStaticString, false, true, |
| 107 value_); |
| 108 WEBRTC_DEFINE_RTCSTATSMEMBER(std::string, kString, false, true, |
| 109 value_); |
| 110 WEBRTC_DEFINE_RTCSTATSMEMBER( |
| 111 std::vector<int32_t>, kSequenceInt32, true, false, |
| 112 VectorToString(value_)); |
| 113 WEBRTC_DEFINE_RTCSTATSMEMBER( |
| 114 std::vector<uint32_t>, kSequenceUint32, true, false, |
| 115 VectorToString(value_)); |
| 116 WEBRTC_DEFINE_RTCSTATSMEMBER( |
| 117 std::vector<int64_t>, kSequenceInt64, true, false, |
| 118 VectorToString(value_)); |
| 119 WEBRTC_DEFINE_RTCSTATSMEMBER( |
| 120 std::vector<uint64_t>, kSequenceUint64, true, false, |
| 121 VectorToString(value_)); |
| 122 WEBRTC_DEFINE_RTCSTATSMEMBER( |
| 123 std::vector<double>, kSequenceDouble, true, false, |
| 124 VectorToString(value_)); |
| 125 WEBRTC_DEFINE_RTCSTATSMEMBER( |
| 126 std::vector<const char*>, kSequenceStaticString, true, false, |
| 127 VectorOfStringsToString(value_)); |
| 128 WEBRTC_DEFINE_RTCSTATSMEMBER( |
| 129 std::vector<std::string>, kSequenceString, true, false, |
| 130 VectorOfStringsToString(value_)); |
| 131 |
| 132 } // namespace webrtc |
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