blob: 736ad3e0bf588de0d7aa62b3581d3e32db657d09 [file] [log] [blame]
// Copyright 2017 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/chromeos/logging.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/system/sys_info.h"
#include "base/task/post_task.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/logging_chrome.h"
#include "content/public/browser/browser_thread.h"
namespace logging {
namespace {
// This should be true for exactly the period between the end of
// InitChromeLogging() and the beginning of CleanupChromeLogging().
bool chrome_logging_redirected_ = false;
void SymlinkSetUp(const base::CommandLine& command_line,
const base::FilePath& log_path,
const base::FilePath& target_path) {
// ChromeOS always logs through the symlink, so it shouldn't be
// deleted if it already exists.
logging::LoggingSettings settings;
settings.logging_dest = DetermineLoggingDestination(command_line);
settings.log_file = log_path.value().c_str();
if (!logging::InitLogging(settings)) {
DLOG(ERROR) << "Unable to initialize logging to " << log_path.value();
FROM_HERE, {base::MayBlock()},
base::BindOnce(&RemoveSymlinkAndLog, log_path, target_path));
} else {
chrome_logging_redirected_ = true;
} // namespace
void RedirectChromeLogging(const base::CommandLine& command_line) {
// Only redirect when on an actual device. To do otherwise conflicts with
// --vmodule that developers may want to use.
if (!base::SysInfo::IsRunningOnChromeOS())
if (chrome_logging_redirected_) {
// TODO: Support multiple active users.
LOG(WARNING) << "NOT redirecting logging for multi-profiles case.";
if (command_line.HasSwitch(switches::kDisableLoggingRedirect))
<< "Redirecting post-login logging to /home/chronos/user/log/chrome/";
// Redirect logs to the session log directory, if set. Otherwise
// defaults to the profile dir.
const base::FilePath log_path = GetSessionLogFile(command_line);
// Always force a new symlink when redirecting.
FROM_HERE, {base::MayBlock()},
base::BindOnce(&SetUpSymlinkIfNeeded, log_path, true),
base::BindOnce(&SymlinkSetUp, command_line, log_path));
} // namespace logging