| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_SYSLOG_LOGGING_H_ |
| #define BASE_SYSLOG_LOGGING_H_ |
| |
| #include <iosfwd> |
| |
| #include "base/base_export.h" |
| #include "base/logging.h" |
| #include "build/build_config.h" |
| |
| namespace logging { |
| |
| // Keep in mind that the syslog is always active regardless of the logging level |
| // and applied flags. Use only for important information that a system |
| // administrator might need to maintain the browser installation. |
| #define SYSLOG_STREAM(severity) \ |
| COMPACT_GOOGLE_LOG_EX_ ## severity(EventLogMessage).stream() |
| #define SYSLOG(severity) \ |
| SYSLOG_STREAM(severity) |
| |
| #if BUILDFLAG(IS_WIN) |
| // Sets the name, category and event id of the event source for logging to the |
| // Windows Event Log. Call this function once before using the SYSLOG macro or |
| // otherwise it will behave as a regular LOG macro. |
| void BASE_EXPORT SetEventSource(const std::string& name, |
| uint16_t category, |
| uint32_t event_id); |
| |
| // The event source may get set more than once in tests. This function allows |
| // a test to reset the source when needed. |
| void BASE_EXPORT ResetEventSourceForTesting(); |
| #endif // BUILDFLAG(IS_WIN) |
| |
| // Creates a formatted message on the system event log. That would be the |
| // Application Event log on Windows and the messages log file on POSIX systems. |
| class BASE_EXPORT EventLogMessage { |
| public: |
| EventLogMessage(const char* file, int line, LogSeverity severity); |
| EventLogMessage(const EventLogMessage&) = delete; |
| EventLogMessage& operator=(const EventLogMessage&) = delete; |
| ~EventLogMessage(); |
| |
| std::ostream& stream() { return log_message_.stream(); } |
| |
| private: |
| LogMessage log_message_; |
| }; |
| |
| void BASE_EXPORT SetSyslogLoggingForTesting(bool logging_enabled); |
| |
| } // namespace logging |
| |
| #endif // BASE_SYSLOG_LOGGING_H_ |