Additional methods for chrome.logPrivate API

chrome/browser/chromeos/system_logs/debug_log_writer.h

+// Copyright 2014 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEBUG_LOG_WRITER_H_
+#define CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEBUG_LOG_WRITER_H_
+
+#include "base/basictypes.h"
+#include "base/callback_forward.h"
+#include "base/files/file_path.h"
+
+namespace chromeos {
+
+class DebugLogWriter {
+ public:
+  // Called once StoreDebugLogs is complete. Takes two parameters:
+  // - log_path: where the log file was saved in the case of success;
+  // - succeeded: was the log file saved successfully.
+  typedef base::Callback<void(const base::FilePath& log_path, bool succeeded)>
+      StoreLogsCallback;
+
+  // Stores debug logs in either .tgz or .tar archive (depending on value of
+  // |should_compress|) on the |fileshelf|. The file is created on the
+  // worker pool, then writing to it is triggered from the UI thread, and
+  // finally it is closed (on success) or deleted (on failure) on the worker
+  // pool, prior to calling |callback|.
+  static void StoreLogs(const base::FilePath& fileshelf,
+                        bool should_compress,
+                        const StoreLogsCallback& callback);
+
+  // Stores both system and user logs in .tgz archive on the |fileshelf|.
+  // |sequence_token_name| defines named sequence for task running on
+  // blocking pool (file operations).
+  static void StoreCombinedLogs(const base::FilePath& fileshelf,
+                                const std::string& sequence_token_name,
+                                const StoreLogsCallback& callback);
+
+ private:
+  DebugLogWriter();
+  DISALLOW_COPY_AND_ASSIGN(DebugLogWriter);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEBUG_LOG_WRITER_H_