Index: chrome/browser/chromeos/logging.cc |
diff --git a/chrome/browser/chromeos/logging.cc b/chrome/browser/chromeos/logging.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..41a13020541543ce6b5778edd4f79c2f82df3393 |
--- /dev/null |
+++ b/chrome/browser/chromeos/logging.cc |
@@ -0,0 +1,68 @@ |
+// 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/task_scheduler/post_task.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) { |
+ DCHECK_CURRENTLY_ON(content::BrowserThread::UI); |
+ |
+ // 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(); |
+ base::PostTaskWithTraits( |
+ FROM_HERE, {base::MayBlock()}, |
+ base::Bind(&RemoveSymlinkAndLog, log_path, target_path)); |
+ } else { |
+ chrome_logging_redirected_ = true; |
+ } |
+} |
+ |
+} // namespace |
+ |
+void RedirectChromeLogging(const base::CommandLine& command_line) { |
+ DCHECK_CURRENTLY_ON(content::BrowserThread::UI); |
+ |
+ if (chrome_logging_redirected_) { |
+ // TODO: Support multiple active users. http://crbug.com/230345 |
+ LOG(WARNING) << "NOT redirecting logging for multi-profiles case."; |
+ return; |
+ } |
+ |
+ DCHECK(!chrome_logging_redirected_) |
+ << "Attempted to redirect logging when it was already initialized."; |
+ |
+ // 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. |
+ base::PostTaskWithTraitsAndReplyWithResult( |
+ FROM_HERE, {base::MayBlock()}, |
+ base::BindOnce(&SetUpSymlinkIfNeeded, log_path, true), |
+ base::BindOnce(&SymlinkSetUp, command_line, log_path)); |
+} |
+ |
+} // namespace logging |