blob: 6b6c437c22ce12a180fe356ac5ee13e016059130 [file] [log] [blame]
/*
* 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