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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 <stdio.h>
#include <utility>
#include "base/command_line.h"
#include "base/files/scoped_file.h"
#include "base/logging.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_log_file_writer.h"
#include "components/version_info/version_info.h"
#include "net/log/net_log_util.h"
#include "net/log/trace_net_log_observer.h"
#include "net/log/write_to_file_net_log_observer.h"
namespace net_log {
ChromeNetLog::ChromeNetLog(
const base::FilePath& log_file,
net::NetLogCaptureMode log_file_mode,
const base::CommandLine::StringType& command_line_string,
const std::string& channel_string)
: net_log_file_writer_(
new NetLogFileWriter(this, command_line_string, channel_string)) {
if (!log_file.empty()) {
// Much like logging.h, bypass threading restrictions by using fopen
// directly. Have to write on a thread that's shutdown to handle events on
// shutdown properly, and posting events to another thread as they occur
// would result in an unbounded buffer size, so not much can be gained by
// doing this on another thread. It's only used when debugging Chrome, so
// performance is not a big concern.
base::ScopedFILE file;
#if defined(OS_WIN)
file.reset(_wfopen(log_file.value().c_str(), L"w"));
#elif defined(OS_POSIX)
file.reset(fopen(log_file.value().c_str(), "w"));
#endif
if (!file) {
LOG(ERROR) << "Could not open file " << log_file.value()
<< " for net logging";
} else {
std::unique_ptr<base::Value> constants(
GetConstants(command_line_string, channel_string));
write_to_file_observer_.reset(new net::WriteToFileNetLogObserver());
write_to_file_observer_->set_capture_mode(log_file_mode);
write_to_file_observer_->StartObserving(this, std::move(file),
constants.get(), nullptr);
}
}
trace_net_log_observer_.reset(new net::TraceNetLogObserver());
trace_net_log_observer_->WatchForTraceStart(this);
}
ChromeNetLog::~ChromeNetLog() {
net_log_file_writer_.reset();
// Remove the observers we own before we're destroyed.
if (write_to_file_observer_)
write_to_file_observer_->StopObserving(nullptr);
if (trace_net_log_observer_)
trace_net_log_observer_->StopWatchForTraceStart();
}
// 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);
}
} // namespace net_log
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