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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 #include "mojo/public/cpp/environment/lib/default_logger.h" | |
6 | |
7 #include <mojo/environment/logger.h> | |
8 #include <stdio.h> | |
9 #include <stdlib.h> // For |abort()|. | |
10 | |
11 #include <algorithm> | |
12 | |
13 namespace mojo { | |
14 | |
15 namespace { | |
16 | |
17 MojoLogLevel g_minimum_log_level = MOJO_LOG_LEVEL_INFO; | |
18 | |
19 const char* GetLogLevelString(MojoLogLevel log_level) { | |
20 if (log_level <= MOJO_LOG_LEVEL_VERBOSE - 3) | |
21 return "VERBOSE4+"; | |
22 switch (log_level) { | |
23 case MOJO_LOG_LEVEL_VERBOSE - 2: | |
24 return "VERBOSE3"; | |
25 case MOJO_LOG_LEVEL_VERBOSE - 1: | |
26 return "VERBOSE2"; | |
27 case MOJO_LOG_LEVEL_VERBOSE: | |
28 return "VERBOSE1"; | |
29 case MOJO_LOG_LEVEL_INFO: | |
30 return "INFO"; | |
31 case MOJO_LOG_LEVEL_WARNING: | |
32 return "WARNING"; | |
33 case MOJO_LOG_LEVEL_ERROR: | |
34 return "ERROR"; | |
35 } | |
36 // Consider everything higher to be fatal. | |
37 return "FATAL"; | |
38 } | |
39 | |
40 void LogMessage(MojoLogLevel log_level, | |
41 const char* source_file, | |
42 uint32_t source_line, | |
43 const char* message) { | |
44 if (log_level < g_minimum_log_level) | |
45 return; | |
46 | |
47 // TODO(vtl): Add timestamp also? | |
48 if (source_file) { | |
49 fprintf(stderr, "%s: %s(%u): %s\n", GetLogLevelString(log_level), | |
50 source_file, static_cast<unsigned>(source_line), message); | |
51 } else { | |
52 fprintf(stderr, "%s: %s\n", GetLogLevelString(log_level), message); | |
53 } | |
54 if (log_level >= MOJO_LOG_LEVEL_FATAL) | |
55 abort(); | |
56 } | |
57 | |
58 MojoLogLevel GetMinimumLogLevel() { | |
59 return g_minimum_log_level; | |
60 } | |
61 | |
62 void SetMinimumLogLevel(MojoLogLevel minimum_log_level) { | |
63 g_minimum_log_level = std::min(minimum_log_level, MOJO_LOG_LEVEL_FATAL); | |
64 } | |
65 | |
66 } // namespace | |
67 | |
68 namespace internal { | |
69 | |
70 const MojoLogger kDefaultLogger = {LogMessage, | |
71 GetMinimumLogLevel, | |
72 SetMinimumLogLevel}; | |
73 | |
74 } // namespace internal | |
75 | |
76 } // namespace mojo | |
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