security/sandbox/chromium/base/logging_win.h@141e0f1194b1 (annotated)
security/sandbox/chromium/base/logging_win.h
Wed, 31 Dec 2014 07:16:47 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:16:47 +0100
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
- permissions
- -rw-r--r--
Revert simplistic fix pending revisit of Mozilla integration attempt.
| michael@0 | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef BASE_LOGGING_WIN_H_ |
| michael@0 | 6 | #define BASE_LOGGING_WIN_H_ |
| michael@0 | 7 | |
| michael@0 | 8 | #include <string> |
| michael@0 | 9 | |
| michael@0 | 10 | #include "base/base_export.h" |
| michael@0 | 11 | #include "base/basictypes.h" |
| michael@0 | 12 | #include "base/win/event_trace_provider.h" |
| michael@0 | 13 | #include "base/logging.h" |
| michael@0 | 14 | |
| michael@0 | 15 | template <typename Type> |
| michael@0 | 16 | struct StaticMemorySingletonTraits; |
| michael@0 | 17 | |
| michael@0 | 18 | namespace logging { |
| michael@0 | 19 | |
| michael@0 | 20 | // Event ID for the log messages we generate. |
| michael@0 | 21 | EXTERN_C BASE_EXPORT const GUID kLogEventId; |
| michael@0 | 22 | |
| michael@0 | 23 | // Feature enable mask for LogEventProvider. |
| michael@0 | 24 | enum LogEnableMask { |
| michael@0 | 25 | // If this bit is set in our provider enable mask, we will include |
| michael@0 | 26 | // a stack trace with every log message. |
| michael@0 | 27 | ENABLE_STACK_TRACE_CAPTURE = 0x0001, |
| michael@0 | 28 | // If this bit is set in our provider enable mask, the provider will log |
| michael@0 | 29 | // a LOG message with only the textual content of the message, and no |
| michael@0 | 30 | // stack trace. |
| michael@0 | 31 | ENABLE_LOG_MESSAGE_ONLY = 0x0002, |
| michael@0 | 32 | }; |
| michael@0 | 33 | |
| michael@0 | 34 | // The message types our log event provider generates. |
| michael@0 | 35 | // ETW likes user message types to start at 10. |
| michael@0 | 36 | enum LogMessageTypes { |
| michael@0 | 37 | // A textual only log message, contains a zero-terminated string. |
| michael@0 | 38 | LOG_MESSAGE = 10, |
| michael@0 | 39 | // A message with a stack trace, followed by the zero-terminated |
| michael@0 | 40 | // message text. |
| michael@0 | 41 | LOG_MESSAGE_WITH_STACKTRACE = 11, |
| michael@0 | 42 | // A message with: |
| michael@0 | 43 | // a stack trace, |
| michael@0 | 44 | // the line number as a four byte integer, |
| michael@0 | 45 | // the file as a zero terminated UTF8 string, |
| michael@0 | 46 | // the zero-terminated UTF8 message text. |
| michael@0 | 47 | LOG_MESSAGE_FULL = 12, |
| michael@0 | 48 | }; |
| michael@0 | 49 | |
| michael@0 | 50 | // Trace provider class to drive log control and transport |
| michael@0 | 51 | // with Event Tracing for Windows. |
| michael@0 | 52 | class BASE_EXPORT LogEventProvider : public base::win::EtwTraceProvider { |
| michael@0 | 53 | public: |
| michael@0 | 54 | static LogEventProvider* GetInstance(); |
| michael@0 | 55 | |
| michael@0 | 56 | static bool LogMessage(logging::LogSeverity severity, const char* file, |
| michael@0 | 57 | int line, size_t message_start, const std::string& str); |
| michael@0 | 58 | |
| michael@0 | 59 | static void Initialize(const GUID& provider_name); |
| michael@0 | 60 | static void Uninitialize(); |
| michael@0 | 61 | |
| michael@0 | 62 | protected: |
| michael@0 | 63 | // Overridden to manipulate the log level on ETW control callbacks. |
| michael@0 | 64 | virtual void OnEventsEnabled(); |
| michael@0 | 65 | virtual void OnEventsDisabled(); |
| michael@0 | 66 | |
| michael@0 | 67 | private: |
| michael@0 | 68 | LogEventProvider(); |
| michael@0 | 69 | |
| michael@0 | 70 | // The log severity prior to OnEventsEnabled, |
| michael@0 | 71 | // restored in OnEventsDisabled. |
| michael@0 | 72 | logging::LogSeverity old_log_level_; |
| michael@0 | 73 | |
| michael@0 | 74 | friend struct StaticMemorySingletonTraits<LogEventProvider>; |
| michael@0 | 75 | DISALLOW_COPY_AND_ASSIGN(LogEventProvider); |
| michael@0 | 76 | }; |
| michael@0 | 77 | |
| michael@0 | 78 | } // namespace logging |
| michael@0 | 79 | |
| michael@0 | 80 | #endif // BASE_LOGGING_WIN_H_ |
