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comparison: security/sandbox/chromium/base/logging_win.h
security/sandbox/chromium/base/logging_win.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:a3f18ef76286 |
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| 1 // Copyright (c) 2012 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 BASE_LOGGING_WIN_H_ | |
| 6 #define BASE_LOGGING_WIN_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/base_export.h" | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/win/event_trace_provider.h" | |
| 13 #include "base/logging.h" | |
| 14 | |
| 15 template <typename Type> | |
| 16 struct StaticMemorySingletonTraits; | |
| 17 | |
| 18 namespace logging { | |
| 19 | |
| 20 // Event ID for the log messages we generate. | |
| 21 EXTERN_C BASE_EXPORT const GUID kLogEventId; | |
| 22 | |
| 23 // Feature enable mask for LogEventProvider. | |
| 24 enum LogEnableMask { | |
| 25 // If this bit is set in our provider enable mask, we will include | |
| 26 // a stack trace with every log message. | |
| 27 ENABLE_STACK_TRACE_CAPTURE = 0x0001, | |
| 28 // If this bit is set in our provider enable mask, the provider will log | |
| 29 // a LOG message with only the textual content of the message, and no | |
| 30 // stack trace. | |
| 31 ENABLE_LOG_MESSAGE_ONLY = 0x0002, | |
| 32 }; | |
| 33 | |
| 34 // The message types our log event provider generates. | |
| 35 // ETW likes user message types to start at 10. | |
| 36 enum LogMessageTypes { | |
| 37 // A textual only log message, contains a zero-terminated string. | |
| 38 LOG_MESSAGE = 10, | |
| 39 // A message with a stack trace, followed by the zero-terminated | |
| 40 // message text. | |
| 41 LOG_MESSAGE_WITH_STACKTRACE = 11, | |
| 42 // A message with: | |
| 43 // a stack trace, | |
| 44 // the line number as a four byte integer, | |
| 45 // the file as a zero terminated UTF8 string, | |
| 46 // the zero-terminated UTF8 message text. | |
| 47 LOG_MESSAGE_FULL = 12, | |
| 48 }; | |
| 49 | |
| 50 // Trace provider class to drive log control and transport | |
| 51 // with Event Tracing for Windows. | |
| 52 class BASE_EXPORT LogEventProvider : public base::win::EtwTraceProvider { | |
| 53 public: | |
| 54 static LogEventProvider* GetInstance(); | |
| 55 | |
| 56 static bool LogMessage(logging::LogSeverity severity, const char* file, | |
| 57 int line, size_t message_start, const std::string& str); | |
| 58 | |
| 59 static void Initialize(const GUID& provider_name); | |
| 60 static void Uninitialize(); | |
| 61 | |
| 62 protected: | |
| 63 // Overridden to manipulate the log level on ETW control callbacks. | |
| 64 virtual void OnEventsEnabled(); | |
| 65 virtual void OnEventsDisabled(); | |
| 66 | |
| 67 private: | |
| 68 LogEventProvider(); | |
| 69 | |
| 70 // The log severity prior to OnEventsEnabled, | |
| 71 // restored in OnEventsDisabled. | |
| 72 logging::LogSeverity old_log_level_; | |
| 73 | |
| 74 friend struct StaticMemorySingletonTraits<LogEventProvider>; | |
| 75 DISALLOW_COPY_AND_ASSIGN(LogEventProvider); | |
| 76 }; | |
| 77 | |
| 78 } // namespace logging | |
| 79 | |
| 80 #endif // BASE_LOGGING_WIN_H_ |
