1 | // Copyright 2013 The Flutter 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 FLUTTER_FML_LOG_SETTINGS_H_ |
6 | #define FLUTTER_FML_LOG_SETTINGS_H_ |
7 | |
8 | #include "flutter/fml/log_level.h" |
9 | |
10 | #include <string> |
11 | |
12 | namespace fml { |
13 | |
14 | // Settings which control the behavior of FML logging. |
15 | struct LogSettings { |
16 | // The minimum logging level. |
17 | // Anything at or above this level will be logged (if applicable). |
18 | // Anything below this level will be silently ignored. |
19 | // |
20 | // The log level defaults to 0 (LOG_INFO). |
21 | // |
22 | // Log messages for FML_VLOG(x) (from flutter/fml/logging.h) are logged |
23 | // at level -x, so setting the min log level to negative values enables |
24 | // verbose logging. |
25 | LogSeverity min_log_level = LOG_INFO; |
26 | }; |
27 | |
28 | // Gets the active log settings for the current process. |
29 | void SetLogSettings(const LogSettings& settings); |
30 | |
31 | // Sets the active log settings for the current process. |
32 | LogSettings GetLogSettings(); |
33 | |
34 | // Gets the minimum log level for the current process. Never returs a value |
35 | // higher than LOG_FATAL. |
36 | int GetMinLogLevel(); |
37 | |
38 | class ScopedSetLogSettings { |
39 | public: |
40 | ScopedSetLogSettings(const LogSettings& settings); |
41 | ~ScopedSetLogSettings(); |
42 | |
43 | private: |
44 | LogSettings old_settings_; |
45 | }; |
46 | |
47 | } // namespace fml |
48 | |
49 | #endif // FLUTTER_FML_LOG_SETTINGS_H_ |
50 | |