rclone/fs/log.go
2017-02-11 17:54:50 +00:00

67 lines
1.7 KiB
Go

// Logging for rclone
package fs
import (
"fmt"
"log"
"os"
)
// LogLevel describes rclone's logs. These are a subset of the syslog log levels.
type LogLevel byte
// Log levels - a subset of the syslog logs
const (
LogLevelEmergency = iota
LogLevelAlert
LogLevelCritical
LogLevelError // Error - can't be suppressed
LogLevelWarning
LogLevelNotice // Normal logging, -q suppresses
LogLevelInfo // Transfers, needs -v
LogLevelDebug // Debug level, needs -vv
)
// Outside world interface
// DebugLogger - logs to Stdout
var DebugLogger = log.New(os.Stdout, "", log.LstdFlags)
// makeLog produces a log string from the arguments passed in
func makeLog(o interface{}, text string, args ...interface{}) string {
out := fmt.Sprintf(text, args...)
if o == nil {
return out
}
return fmt.Sprintf("%v: %s", o, out)
}
// Errorf writes error log output for this Object or Fs. It
// unconditionally logs a message regardless of Config.Quiet or
// Config.Verbose.
func Errorf(o interface{}, text string, args ...interface{}) {
log.Print(makeLog(o, text, args...))
}
// Logf writes log output for this Object or Fs. This should be
// considered to be Info level logging.
func Logf(o interface{}, text string, args ...interface{}) {
if !Config.Quiet {
log.Print(makeLog(o, text, args...))
}
}
// Infof writes info on transfers for this Object or Fs
func Infof(o interface{}, text string, args ...interface{}) {
if Config.Verbose {
DebugLogger.Print(makeLog(o, text, args...))
}
}
// Debugf writes debugging output for this Object or Fs
func Debugf(o interface{}, text string, args ...interface{}) {
if Config.Verbose {
DebugLogger.Print(makeLog(o, text, args...))
}
}