From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/libwebrtc/stats/rtc_stats.cc | 374 +++++++++++++++++++++++++++++++
 1 file changed, 374 insertions(+)
 create mode 100644 third_party/libwebrtc/stats/rtc_stats.cc

(limited to 'third_party/libwebrtc/stats/rtc_stats.cc')

diff --git a/third_party/libwebrtc/stats/rtc_stats.cc b/third_party/libwebrtc/stats/rtc_stats.cc
new file mode 100644
index 0000000000..421d9690d7
--- /dev/null
+++ b/third_party/libwebrtc/stats/rtc_stats.cc
@@ -0,0 +1,374 @@
+/*
+ *  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 "api/stats/rtc_stats.h"
+
+#include <cstdio>
+
+#include "rtc_base/arraysize.h"
+#include "rtc_base/string_encode.h"
+#include "rtc_base/strings/string_builder.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) {
+  rtc::StringBuilder sb;
+  sb << "[";
+  const char* separator = "";
+  for (const T& element : vector) {
+    sb << separator << rtc::ToString(element);
+    separator = ",";
+  }
+  sb << "]";
+  return sb.Release();
+}
+
+// This overload is required because std::vector<bool> range loops don't
+// return references but objects, causing -Wrange-loop-analysis diagnostics.
+std::string VectorToString(const std::vector<bool>& vector) {
+  rtc::StringBuilder sb;
+  sb << "[";
+  const char* separator = "";
+  for (bool element : vector) {
+    sb << separator << rtc::ToString(element);
+    separator = ",";
+  }
+  sb << "]";
+  return sb.Release();
+}
+
+// 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) {
+  rtc::StringBuilder sb;
+  sb << "[";
+  const char* separator = "";
+  for (const T& element : strings) {
+    sb << separator << "\"" << rtc::ToString(element) << "\"";
+    separator = ",";
+  }
+  sb << "]";
+  return sb.Release();
+}
+
+template <typename T>
+std::string MapToString(const std::map<std::string, T>& map) {
+  rtc::StringBuilder sb;
+  sb << "{";
+  const char* separator = "";
+  for (const auto& element : map) {
+    sb << separator << rtc::ToString(element.first) << ":"
+       << rtc::ToString(element.second);
+    separator = ",";
+  }
+  sb << "}";
+  return sb.Release();
+}
+
+template <typename T>
+std::string ToStringAsDouble(const T value) {
+  // JSON represents numbers as floating point numbers with about 15 decimal
+  // digits of precision.
+  char buf[32];
+  const int len = std::snprintf(&buf[0], arraysize(buf), "%.16g",
+                                static_cast<double>(value));
+  RTC_DCHECK_LE(len, arraysize(buf));
+  return std::string(&buf[0], len);
+}
+
+template <typename T>
+std::string VectorToStringAsDouble(const std::vector<T>& vector) {
+  rtc::StringBuilder sb;
+  sb << "[";
+  const char* separator = "";
+  for (const T& element : vector) {
+    sb << separator << ToStringAsDouble<T>(element);
+    separator = ",";
+  }
+  sb << "]";
+  return sb.Release();
+}
+
+template <typename T>
+std::string MapToStringAsDouble(const std::map<std::string, T>& map) {
+  rtc::StringBuilder sb;
+  sb << "{";
+  const char* separator = "";
+  for (const auto& element : map) {
+    sb << separator << "\"" << rtc::ToString(element.first)
+       << "\":" << ToStringAsDouble(element.second);
+    separator = ",";
+  }
+  sb << "}";
+  return sb.Release();
+}
+
+}  // namespace
+
+bool RTCStats::operator==(const RTCStats& other) const {
+  if (type() != other.type() || id() != other.id())
+    return false;
+  std::vector<const RTCStatsMemberInterface*> members = Members();
+  std::vector<const RTCStatsMemberInterface*> other_members = other.Members();
+  RTC_DCHECK_EQ(members.size(), other_members.size());
+  for (size_t i = 0; i < members.size(); ++i) {
+    const RTCStatsMemberInterface* member = members[i];
+    const RTCStatsMemberInterface* other_member = other_members[i];
+    RTC_DCHECK_EQ(member->type(), other_member->type());
+    RTC_DCHECK_EQ(member->name(), other_member->name());
+    if (*member != *other_member)
+      return false;
+  }
+  return true;
+}
+
+bool RTCStats::operator!=(const RTCStats& other) const {
+  return !(*this == other);
+}
+
+std::string RTCStats::ToJson() const {
+  rtc::StringBuilder sb;
+  sb << "{\"type\":\"" << type()
+     << "\","
+        "\"id\":\""
+     << id_
+     << "\","
+        "\"timestamp\":"
+     << timestamp_.us();
+  for (const RTCStatsMemberInterface* member : Members()) {
+    if (member->is_defined()) {
+      sb << ",\"" << member->name() << "\":";
+      if (member->is_string())
+        sb << "\"" << member->ValueToJson() << "\"";
+      else
+        sb << member->ValueToJson();
+    }
+  }
+  sb << "}";
+  return sb.Release();
+}
+
+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, to_json) \
+  template <>                                                                  \
+  RTCStatsMemberInterface::Type RTCStatsMember<T>::StaticType() {              \
+    return 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(value_.has_value());                                            \
+    return to_str;                                                             \
+  }                                                                            \
+  template <>                                                                  \
+  std::string RTCStatsMember<T>::ValueToJson() const {                         \
+    RTC_DCHECK(value_.has_value());                                            \
+    return to_json;                                                            \
+  }                                                                            \
+  template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT) RTCStatsMember<T>
+
+WEBRTC_DEFINE_RTCSTATSMEMBER(bool,
+                             kBool,
+                             false,
+                             false,
+                             rtc::ToString(*value_),
+                             rtc::ToString(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(int32_t,
+                             kInt32,
+                             false,
+                             false,
+                             rtc::ToString(*value_),
+                             rtc::ToString(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(uint32_t,
+                             kUint32,
+                             false,
+                             false,
+                             rtc::ToString(*value_),
+                             rtc::ToString(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(int64_t,
+                             kInt64,
+                             false,
+                             false,
+                             rtc::ToString(*value_),
+                             ToStringAsDouble(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(uint64_t,
+                             kUint64,
+                             false,
+                             false,
+                             rtc::ToString(*value_),
+                             ToStringAsDouble(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(double,
+                             kDouble,
+                             false,
+                             false,
+                             rtc::ToString(*value_),
+                             ToStringAsDouble(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::string,
+                             kString,
+                             false,
+                             true,
+                             *value_,
+                             *value_);
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::vector<bool>,
+                             kSequenceBool,
+                             true,
+                             false,
+                             VectorToString(*value_),
+                             VectorToString(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::vector<int32_t>,
+                             kSequenceInt32,
+                             true,
+                             false,
+                             VectorToString(*value_),
+                             VectorToString(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::vector<uint32_t>,
+                             kSequenceUint32,
+                             true,
+                             false,
+                             VectorToString(*value_),
+                             VectorToString(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::vector<int64_t>,
+                             kSequenceInt64,
+                             true,
+                             false,
+                             VectorToString(*value_),
+                             VectorToStringAsDouble(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::vector<uint64_t>,
+                             kSequenceUint64,
+                             true,
+                             false,
+                             VectorToString(*value_),
+                             VectorToStringAsDouble(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::vector<double>,
+                             kSequenceDouble,
+                             true,
+                             false,
+                             VectorToString(*value_),
+                             VectorToStringAsDouble(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(std::vector<std::string>,
+                             kSequenceString,
+                             true,
+                             false,
+                             VectorOfStringsToString(*value_),
+                             VectorOfStringsToString(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(rtc_stats_internal::MapStringUint64,
+                             kMapStringUint64,
+                             false,
+                             false,
+                             MapToString(*value_),
+                             MapToStringAsDouble(*value_));
+WEBRTC_DEFINE_RTCSTATSMEMBER(rtc_stats_internal::MapStringDouble,
+                             kMapStringDouble,
+                             false,
+                             false,
+                             MapToString(*value_),
+                             MapToStringAsDouble(*value_));
+
+// Restricted members that expose hardware capabilites.
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<bool, StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<int32_t,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<uint32_t,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<int64_t,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<uint64_t,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<double, StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::string,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::vector<bool>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::vector<int32_t>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::vector<uint32_t>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::vector<int64_t>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::vector<uint64_t>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::vector<double>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::vector<std::string>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::map<std::string, uint64_t>,
+                             StatExposureCriteria::kHardwareCapability>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCRestrictedStatsMember<std::map<std::string, double>,
+                             StatExposureCriteria::kHardwareCapability>;
+
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<bool>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<int32_t>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<uint32_t>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<int64_t>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<uint64_t>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<double>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::string>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::vector<bool>>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::vector<int32_t>>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::vector<uint32_t>>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::vector<int64_t>>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::vector<uint64_t>>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::vector<double>>;
+template class RTC_EXPORT_TEMPLATE_DEFINE(RTC_EXPORT)
+    RTCNonStandardStatsMember<std::vector<std::string>>;
+
+}  // namespace webrtc
-- 
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