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logging.go
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logging.go
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package main
import (
"errors"
"log"
)
type LogLevel int
const (
Verbose LogLevel = iota
Normal
Quiet
)
var GlobalLogLevel LogLevel
func SetupLogging(quiet, verbose bool) error {
log.SetFlags(log.Ltime | log.Lmicroseconds)
if quiet && verbose {
return errors.New("cannot specify both quiet and verbose")
}
if quiet {
GlobalLogLevel = Quiet
} else if verbose {
GlobalLogLevel = Verbose
} else {
GlobalLogLevel = Normal
}
return nil
}
func LogDebug(format string, args ...interface{}) {
if GlobalLogLevel != Verbose {
return
}
log.Printf("[DEBUG] "+format+"\n", args...)
}
func LogInfo(format string, args ...interface{}) {
if GlobalLogLevel == Quiet {
return
}
if cmdLineArgs.colour {
log.Printf("\u001B[32m[INFO ]\u001B[0m "+format+"\n", args...)
} else {
log.Printf("[INFO ] "+format+"\n", args...)
}
}
func LogWarn(format string, args ...interface{}) {
if GlobalLogLevel == Quiet {
return
}
if cmdLineArgs.colour {
log.Printf("\u001B[33m[WARN ]\u001B[0m "+format+"\n", args...)
} else {
log.Printf("[WARN ] "+format+"\n", args...)
}
}
func LogError(format string, args ...interface{}) {
if GlobalLogLevel == Quiet {
return
}
if cmdLineArgs.colour {
log.Printf("\u001B[31m[ERROR]\u001B[0m "+format+"\n", args...)
} else {
log.Printf("[ERROR] "+format+"\n", args...)
}
}