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// 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_
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