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// Copyright (c) 2012 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 "components/net_log/chrome_net_log.h"
#include <utility>
#include "base/command_line.h"
#include "base/memory/ptr_util.h"
#include "base/strings/stringprintf.h"
#include "base/sys_info.h"
#include "base/values.h"
#include "build/build_config.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_event_store.h"
#include "components/net_log/net_export_file_writer.h"
#include "components/version_info/version_info.h"
#include "net/log/file_net_log_observer.h"
#include "net/log/net_log_util.h"
#include "net/log/trace_net_log_observer.h"
namespace net_log {
ChromeNetLog::ChromeNetLog() {
trace_net_log_observer_.reset(new net::TraceNetLogObserver());
trace_net_log_observer_->WatchForTraceStart(this);
}
ChromeNetLog::~ChromeNetLog() {
net_export_file_writer_.reset();
ClearFileNetLogObserver();
trace_net_log_observer_->StopWatchForTraceStart();
}
void ChromeNetLog::StartWritingToFile(
const base::FilePath& path,
net::NetLogCaptureMode capture_mode,
const base::CommandLine::StringType& command_line_string,
const std::string& channel_string) {
DCHECK(!path.empty());
// TODO(739485): The log file does not contain about:flags data.
file_net_log_observer_ = net::FileNetLogObserver::CreateUnbounded(
path, GetConstants(command_line_string, channel_string));
file_net_log_observer_->StartObserving(this, capture_mode);
}
NetExportFileWriter* ChromeNetLog::net_export_file_writer() {
if (!net_export_file_writer_)
net_export_file_writer_ = base::WrapUnique(new NetExportFileWriter(this));
return net_export_file_writer_.get();
}
// static
std::unique_ptr<base::Value> ChromeNetLog::GetConstants(
const base::CommandLine::StringType& command_line_string,
const std::string& channel_string) {
std::unique_ptr<base::DictionaryValue> constants_dict =
net::GetNetConstants();
DCHECK(constants_dict);
// Add a dictionary with the version of the client and its command line
// arguments.
auto dict = base::MakeUnique<base::DictionaryValue>();
// We have everything we need to send the right values.
dict->SetString("name", version_info::GetProductName());
dict->SetString("version", version_info::GetVersionNumber());
dict->SetString("cl", version_info::GetLastChange());
dict->SetString("version_mod", channel_string);
dict->SetString("official",
version_info::IsOfficialBuild() ? "official" : "unofficial");
std::string os_type = base::StringPrintf(
"%s: %s (%s)", base::SysInfo::OperatingSystemName().c_str(),
base::SysInfo::OperatingSystemVersion().c_str(),
base::SysInfo::OperatingSystemArchitecture().c_str());
dict->SetString("os_type", os_type);
dict->SetString("command_line", command_line_string);
constants_dict->Set("clientInfo", std::move(dict));
data_reduction_proxy::DataReductionProxyEventStore::AddConstants(
constants_dict.get());
return std::move(constants_dict);
}
void ChromeNetLog::ShutDownBeforeTaskScheduler() {
// TODO(eroman): Stop in-progress net_export_file_writer_ or delete its files?
ClearFileNetLogObserver();
}
void ChromeNetLog::ClearFileNetLogObserver() {
if (!file_net_log_observer_)
return;
// TODO(739487): The log file does not contain any polled data.
//
// TODO(eroman): FileNetLogObserver::StopObserving() posts to the file task
// runner to finish writing the log file. Despite that sequenced task runner
// being marked BLOCK_SHUTDOWN, those tasks are not actually running.
//
// This isn't a big deal when using the unbounded logger since the log
// loading code can handle such truncated logs. But this will need fixing
// if switching to log formats that are not so versatile (also if adding
// polled data).
file_net_log_observer_->StopObserving(nullptr /*polled_data*/,
base::Closure());
file_net_log_observer_.reset();
}
} // namespace net_log
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