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131 lines
2.8 KiB
C++
131 lines
2.8 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#ifndef LOGGER_H
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#define LOGGER_H
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#include "base/i2-base.hpp"
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#include "base/logger-ti.hpp"
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#include <set>
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#include <iosfwd>
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namespace icinga
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{
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/**
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* Log severity.
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*
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* @ingroup base
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*/
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enum LogSeverity
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{
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LogDebug,
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LogNotice,
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LogInformation,
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LogWarning,
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LogCritical
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};
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/**
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* A log entry.
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*
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* @ingroup base
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*/
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struct LogEntry {
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double Timestamp; /**< The timestamp when this log entry was created. */
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LogSeverity Severity; /**< The severity of this log entry. */
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String Facility; /**< The facility this log entry belongs to. */
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String Message; /**< The log entry's message. */
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};
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/**
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* A log provider.
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*
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* @ingroup base
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*/
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class Logger : public ObjectImpl<Logger>
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{
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public:
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DECLARE_OBJECT(Logger);
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static String SeverityToString(LogSeverity severity);
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static LogSeverity StringToSeverity(const String& severity);
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LogSeverity GetMinSeverity() const;
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/**
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* Processes the log entry and writes it to the log that is
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* represented by this ILogger object.
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*
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* @param entry The log entry that is to be processed.
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*/
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virtual void ProcessLogEntry(const LogEntry& entry) = 0;
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virtual void Flush() = 0;
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static std::set<Logger::Ptr> GetLoggers();
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static void DisableConsoleLog();
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static void EnableConsoleLog();
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static bool IsConsoleLogEnabled();
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static void DisableTimestamp();
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static void EnableTimestamp();
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static bool IsTimestampEnabled();
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static void SetConsoleLogSeverity(LogSeverity logSeverity);
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static LogSeverity GetConsoleLogSeverity();
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void ValidateSeverity(const Lazy<String>& lvalue, const ValidationUtils& utils) final;
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protected:
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void Start(bool runtimeCreated) override;
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void Stop(bool runtimeRemoved) override;
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private:
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static boost::mutex m_Mutex;
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static std::set<Logger::Ptr> m_Loggers;
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static bool m_ConsoleLogEnabled;
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static bool m_TimestampEnabled;
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static LogSeverity m_ConsoleLogSeverity;
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};
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class Log
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{
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public:
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Log() = delete;
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Log(const Log& other) = delete;
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Log& operator=(const Log& rhs) = delete;
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Log(LogSeverity severity, String facility, const String& message);
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Log(LogSeverity severity, String facility);
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~Log();
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template<typename T>
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Log& operator<<(const T& val)
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{
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m_Buffer << val;
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return *this;
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}
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Log& operator<<(const char *val);
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private:
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LogSeverity m_Severity;
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String m_Facility;
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std::ostringstream m_Buffer;
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};
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extern template Log& Log::operator<<(const Value&);
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extern template Log& Log::operator<<(const String&);
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extern template Log& Log::operator<<(const std::string&);
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extern template Log& Log::operator<<(const bool&);
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extern template Log& Log::operator<<(const unsigned int&);
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extern template Log& Log::operator<<(const int&);
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extern template Log& Log::operator<<(const unsigned long&);
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extern template Log& Log::operator<<(const long&);
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extern template Log& Log::operator<<(const double&);
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}
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#endif /* LOGGER_H */
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