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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 "chrome/browser/net/chrome_net_log.h"
#include <stdio.h>
#include "base/command_line.h"
#include "base/files/scoped_file.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "chrome/browser/net/net_log_temp_file.h"
#include "chrome/browser/ui/webui/net_internals/net_internals_ui.h"
#include "chrome/common/chrome_switches.h"
#include "content/public/common/content_switches.h"
#include "net/log/trace_net_log_observer.h"
#include "net/log/write_to_file_net_log_observer.h"
namespace {
net::NetLogCaptureMode GetCaptureModeFromCommandLine(
const base::CommandLine& command_line) {
if (command_line.HasSwitch(switches::kNetLogCaptureMode)) {
std::string capture_mode_string =
command_line.GetSwitchValueASCII(switches::kNetLogCaptureMode);
if (capture_mode_string == "Default")
return net::NetLogCaptureMode::Default();
if (capture_mode_string == "IncludeCookiesAndCredentials")
return net::NetLogCaptureMode::IncludeCookiesAndCredentials();
if (capture_mode_string == "IncludeSocketBytes")
return net::NetLogCaptureMode::IncludeSocketBytes();
LOG(ERROR) << "Unrecognized value for --" << switches::kNetLogCaptureMode;
}
return net::NetLogCaptureMode::Default();
}
} // namespace
ChromeNetLog::ChromeNetLog()
: net_log_temp_file_(new NetLogTempFile(this)) {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kLogNetLog)) {
base::FilePath log_path =
command_line.GetSwitchValuePath(switches::kLogNetLog);
// 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_path.value().c_str(), L"w"));
#elif defined(OS_POSIX)
file.reset(fopen(log_path.value().c_str(), "w"));
#endif
if (!file) {
LOG(ERROR) << "Could not open file " << log_path.value()
<< " for net logging";
} else {
scoped_ptr<base::Value> constants(NetInternalsUI::GetConstants());
write_to_file_observer_.reset(new net::WriteToFileNetLogObserver());
net::NetLogCaptureMode capture_mode =
GetCaptureModeFromCommandLine(command_line);
write_to_file_observer_->set_capture_mode(capture_mode);
write_to_file_observer_->StartObserving(this, file.Pass(),
constants.get(), nullptr);
}
}
trace_net_log_observer_.reset(new net::TraceNetLogObserver());
trace_net_log_observer_->WatchForTraceStart(this);
}
ChromeNetLog::~ChromeNetLog() {
net_log_temp_file_.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();
}
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