package log import ( "github.com/v2ray/v2ray-core/common/log/internal" ) type LogLevel int const ( DebugLevel = LogLevel(0) InfoLevel = LogLevel(1) WarningLevel = LogLevel(2) ErrorLevel = LogLevel(3) NoneLevel = LogLevel(999) ) var ( streamLoggerInstance internal.LogWriter = internal.NewStdOutLogWriter() debugLogger internal.LogWriter = streamLoggerInstance infoLogger internal.LogWriter = streamLoggerInstance warningLogger internal.LogWriter = streamLoggerInstance errorLogger internal.LogWriter = streamLoggerInstance ) func SetLogLevel(level LogLevel) { debugLogger = new(internal.NoOpLogWriter) if level <= DebugLevel { debugLogger = streamLoggerInstance } infoLogger = new(internal.NoOpLogWriter) if level <= InfoLevel { infoLogger = streamLoggerInstance } warningLogger = new(internal.NoOpLogWriter) if level <= WarningLevel { warningLogger = streamLoggerInstance } errorLogger = new(internal.NoOpLogWriter) if level <= ErrorLevel { errorLogger = streamLoggerInstance } if level == NoneLevel { accessLoggerInstance = new(internal.NoOpLogWriter) } } func InitErrorLogger(file string) error { logger, err := internal.NewFileLogWriter(file) if err != nil { Error("Failed to create error logger on file (", file, "): ", err) return err } streamLoggerInstance = logger return nil } // Debug outputs a debug log with given format and optional arguments. func Debug(v ...interface{}) { debugLogger.Log(&internal.ErrorLog{ Prefix: "[Debug]", Values: v, }) } // Info outputs an info log with given format and optional arguments. func Info(v ...interface{}) { infoLogger.Log(&internal.ErrorLog{ Prefix: "[Info]", Values: v, }) } // Warning outputs a warning log with given format and optional arguments. func Warning(v ...interface{}) { warningLogger.Log(&internal.ErrorLog{ Prefix: "[Warning]", Values: v, }) } // Error outputs an error log with given format and optional arguments. func Error(v ...interface{}) { errorLogger.Log(&internal.ErrorLog{ Prefix: "[Error]", Values: v, }) }