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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/log/net_log_source.h"
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/callback.h"
#include "base/check_op.h"
#include "base/values.h"
#include "net/log/net_log_capture_mode.h"
namespace net {
namespace {
base::Value SourceEventParametersCallback(const NetLogSource source) {
if (!source.IsValid())
return base::Value();
base::Value event_params(base::Value::Type::DICTIONARY);
source.AddToEventParameters(&event_params);
return event_params;
}
} // namespace
// LoadTimingInfo requires this be 0.
const uint32_t NetLogSource::kInvalidId = 0;
NetLogSource::NetLogSource()
: NetLogSource(NetLogSourceType::NONE, kInvalidId) {}
NetLogSource::NetLogSource(NetLogSourceType type, uint32_t id)
: NetLogSource(type, id, base::TimeTicks::Now()) {}
NetLogSource::NetLogSource(NetLogSourceType type,
uint32_t id,
base::TimeTicks start_time)
: type(type), id(id), start_time(start_time) {}
bool NetLogSource::IsValid() const {
return id != kInvalidId;
}
void NetLogSource::AddToEventParameters(base::Value* event_params) const {
DCHECK(event_params->is_dict());
base::Value dict(base::Value::Type::DICTIONARY);
dict.SetIntKey("type", static_cast<int>(type));
dict.SetIntKey("id", static_cast<int>(id));
event_params->SetKey("source_dependency", std::move(dict));
}
base::Value NetLogSource::ToEventParameters() const {
return SourceEventParametersCallback(*this);
}
// static
bool NetLogSource::FromEventParameters(const base::Value* event_params,
NetLogSource* source) {
const base::DictionaryValue* dict = nullptr;
const base::DictionaryValue* source_dict = nullptr;
int source_id = -1;
int source_type = static_cast<int>(NetLogSourceType::COUNT);
if (!event_params || !event_params->GetAsDictionary(&dict) ||
!dict->GetDictionary("source_dependency", &source_dict) ||
!source_dict->GetInteger("id", &source_id) ||
!source_dict->GetInteger("type", &source_type)) {
*source = NetLogSource();
return false;
}
DCHECK_GE(source_id, 0);
DCHECK_LT(source_type, static_cast<int>(NetLogSourceType::COUNT));
*source = NetLogSource(static_cast<NetLogSourceType>(source_type), source_id);
return true;
}
} // namespace net
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