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79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/log/net_log_source.h"
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#include <memory>
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#include <utility>
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#include "base/bind.h"
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#include "base/callback.h"
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#include "base/logging.h"
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#include "base/values.h"
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#include "net/log/net_log_capture_mode.h"
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namespace net {
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namespace {
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std::unique_ptr<base::Value> SourceEventParametersCallback(
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const NetLogSource source,
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NetLogCaptureMode /* capture_mode */) {
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if (!source.IsValid())
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return std::unique_ptr<base::Value>();
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std::unique_ptr<base::DictionaryValue> event_params(
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new base::DictionaryValue());
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source.AddToEventParameters(event_params.get());
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return std::move(event_params);
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}
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} // namespace
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// LoadTimingInfo requires this be 0.
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const uint32_t NetLogSource::kInvalidId = 0;
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NetLogSource::NetLogSource() : type(NetLogSourceType::NONE), id(kInvalidId) {}
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NetLogSource::NetLogSource(NetLogSourceType type, uint32_t id)
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: type(type), id(id) {}
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bool NetLogSource::IsValid() const {
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return id != kInvalidId;
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}
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void NetLogSource::AddToEventParameters(
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base::DictionaryValue* event_params) const {
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std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
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dict->SetInteger("type", static_cast<int>(type));
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dict->SetInteger("id", static_cast<int>(id));
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event_params->Set("source_dependency", std::move(dict));
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}
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NetLogParametersCallback NetLogSource::ToEventParametersCallback() const {
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return base::Bind(&SourceEventParametersCallback, *this);
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}
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// static
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bool NetLogSource::FromEventParameters(base::Value* event_params,
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NetLogSource* source) {
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base::DictionaryValue* dict = NULL;
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base::DictionaryValue* source_dict = NULL;
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int source_id = -1;
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int source_type = static_cast<int>(NetLogSourceType::COUNT);
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if (!event_params || !event_params->GetAsDictionary(&dict) ||
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!dict->GetDictionary("source_dependency", &source_dict) ||
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!source_dict->GetInteger("id", &source_id) ||
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!source_dict->GetInteger("type", &source_type)) {
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*source = NetLogSource();
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return false;
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}
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DCHECK_GE(source_id, 0);
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DCHECK_LT(source_type, static_cast<int>(NetLogSourceType::COUNT));
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*source = NetLogSource(static_cast<NetLogSourceType>(source_type), source_id);
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return true;
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}
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} // namespace net
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