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/*
* 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_report.h"
#include <memory>
#include <string>
#include <utility>
#include "api/scoped_refptr.h"
#include "api/stats/rtc_stats.h"
#include "api/units/timestamp.h"
#include "rtc_base/checks.h"
#include "rtc_base/strings/string_builder.h"
namespace webrtc {
RTCStatsReport::ConstIterator::ConstIterator(
const scoped_refptr<const RTCStatsReport>& report,
StatsMap::const_iterator it)
: report_(report), it_(it) {}
RTCStatsReport::ConstIterator::ConstIterator(ConstIterator&& other) = default;
RTCStatsReport::ConstIterator::~ConstIterator() {}
RTCStatsReport::ConstIterator& RTCStatsReport::ConstIterator::operator++() {
++it_;
return *this;
}
RTCStatsReport::ConstIterator& RTCStatsReport::ConstIterator::operator++(int) {
return ++(*this);
}
const RTCStats& RTCStatsReport::ConstIterator::operator*() const {
return *it_->second.get();
}
const RTCStats* RTCStatsReport::ConstIterator::operator->() const {
return it_->second.get();
}
bool RTCStatsReport::ConstIterator::operator==(
const RTCStatsReport::ConstIterator& other) const {
return it_ == other.it_;
}
bool RTCStatsReport::ConstIterator::operator!=(
const RTCStatsReport::ConstIterator& other) const {
return !(*this == other);
}
scoped_refptr<RTCStatsReport> RTCStatsReport::Create(Timestamp timestamp) {
return scoped_refptr<RTCStatsReport>(new RTCStatsReport(timestamp));
}
RTCStatsReport::RTCStatsReport(Timestamp timestamp) : timestamp_(timestamp) {}
scoped_refptr<RTCStatsReport> RTCStatsReport::Copy() const {
scoped_refptr<RTCStatsReport> copy = Create(timestamp_);
for (auto it = stats_.begin(); it != stats_.end(); ++it) {
copy->AddStats(it->second->copy());
}
return copy;
}
void RTCStatsReport::AddStats(std::unique_ptr<const RTCStats> stats) {
#if RTC_DCHECK_IS_ON
auto result =
#endif
stats_.insert(std::make_pair(std::string(stats->id()), std::move(stats)));
#if RTC_DCHECK_IS_ON
RTC_DCHECK(result.second)
<< "A stats object with ID \"" << result.first->second->id() << "\" is "
<< "already present in this stats report.";
#endif
}
const RTCStats* RTCStatsReport::Get(const std::string& id) const {
StatsMap::const_iterator it = stats_.find(id);
if (it != stats_.cend())
return it->second.get();
return nullptr;
}
std::unique_ptr<const RTCStats> RTCStatsReport::Take(const std::string& id) {
StatsMap::iterator it = stats_.find(id);
if (it == stats_.end())
return nullptr;
std::unique_ptr<const RTCStats> stats = std::move(it->second);
stats_.erase(it);
return stats;
}
void RTCStatsReport::TakeMembersFrom(scoped_refptr<RTCStatsReport> other) {
for (StatsMap::iterator it = other->stats_.begin(); it != other->stats_.end();
++it) {
AddStats(std::unique_ptr<const RTCStats>(it->second.release()));
}
other->stats_.clear();
}
RTCStatsReport::ConstIterator RTCStatsReport::begin() const {
return ConstIterator(scoped_refptr<const RTCStatsReport>(this),
stats_.cbegin());
}
RTCStatsReport::ConstIterator RTCStatsReport::end() const {
return ConstIterator(scoped_refptr<const RTCStatsReport>(this),
stats_.cend());
}
std::string RTCStatsReport::ToJson() const {
if (begin() == end()) {
return "";
}
StringBuilder sb;
sb << "[";
const char* separator = "";
for (ConstIterator it = begin(); it != end(); ++it) {
sb << separator << it->ToJson();
separator = ",";
}
sb << "]";
return sb.Release();
}
} // namespace webrtc
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