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logging.go
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logging.go
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package main
import "fmt"
const (
verboseLvlLog = 0
verboseLvlInfo = 1
verboseLvlWarn = 2
verboseLvlErr = 3
verboseLvlFat = 4
verboseLvlDbug = 5
)
var verbosityLevel = verboseLvlLog
func dbugf(message string, vars ...interface{}) {
verboseF(verboseLvlDbug, message, vars...)
}
func errf(message string, vars ...interface{}) {
verboseF(verboseLvlErr, message, vars...)
}
func fatf(message string, vars ...interface{}) {
verboseF(verboseLvlFat, message, vars...)
}
func infof(message string, vars ...interface{}) {
verboseF(verboseLvlInfo, message, vars...)
}
// logf Log all the time, useful for giving the user feedback on progress.
func logf(message string, vars ...interface{}) {
verboseF(verboseLvlLog, message, vars...)
}
// Show additional logging based on the verbosity level. Prints a newline after every message.
func verboseF(lvl int, message string, a ...interface{}) {
if verbosityLevel >= lvl {
fmt.Printf(message, a...)
fmt.Println()
}
}
func warnf(message string, vars ...interface{}) {
verboseF(verboseLvlWarn, message, vars...)
}