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