// Copyright 2016 The Chromium Authors. All rights reserved. // 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 #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_