chrome/browser/chromeos/system_logs/debug_log_writer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEBUG_LOG_WRITER_H_
   6 #define CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEBUG_LOG_WRITER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/callback_forward.h"
  10 #include "base/files/file_path.h"
  11
  12 namespace chromeos {
  13
  14 class DebugLogWriter {
  15  public:
  16   // Called once StoreDebugLogs is complete. Takes two parameters:
  17   // - log_path: where the log file was saved in the case of success;
  18   // - succeeded: was the log file saved successfully.
  19   typedef base::Callback<void(const base::FilePath& log_path, bool succeeded)>
  20       StoreLogsCallback;
  21
  22   // Stores debug logs in either .tgz or .tar archive (depending on value of
  23   // |should_compress|) on the |fileshelf|. The file is created on the
  24   // worker pool, then writing to it is triggered from the UI thread, and
  25   // finally it is closed (on success) or deleted (on failure) on the worker
  26   // pool, prior to calling |callback|.
  27   static void StoreLogs(const base::FilePath& fileshelf,
  28                         bool should_compress,
  29                         const StoreLogsCallback& callback);
  30
  31   // Stores both system and user logs in .tgz archive on the |fileshelf|.
  32   // |sequence_token_name| defines named sequence for task running on
  33   // blocking pool (file operations).
  34   static void StoreCombinedLogs(const base::FilePath& fileshelf,
  35                                 const std::string& sequence_token_name,
  36                                 const StoreLogsCallback& callback);
  37
  38  private:
  39   DebugLogWriter();
  40   DISALLOW_COPY_AND_ASSIGN(DebugLogWriter);
  41 };
  42
  43 }  // namespace chromeos
  44
  45 #endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEBUG_LOG_WRITER_H_