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tee.go
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tee.go
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package frog
// TeeLogger directs all traffic to both a primary and secondary logger
// Note that of if one of your loggers supports anchor, make sure that is the Primary anchor.
type TeeLogger struct {
Primary Logger // Anchors are only supported though this logger
Secondary Logger
minLevel Level // defaults to Transient
}
func NewRootTee(a RootLogger, b RootLogger) (*TeeLogger, func()) {
close := func() {
a.Close()
b.Close()
}
l := &TeeLogger{
Primary: a,
Secondary: b,
}
return l, close
}
func (l *TeeLogger) Parent() Logger {
// Anchoring relies on there being a single root parent.
return l.Primary
}
func (n *TeeLogger) MinLevel() Level {
return n.minLevel
}
func (n *TeeLogger) SetMinLevel(level Level) Logger {
n.minLevel = level
return n
}
func (l *TeeLogger) LogImpl(level Level, msg string, fielders []Fielder, opts []PrinterOption, d ImplData) {
d.MergeMinLevel(l.minLevel) // ensure our minLevel is taken into account
l.Primary.LogImpl(level, msg, fielders, opts, d)
d.AnchoredLine = 0 // secondary loggers don't support anchored lines
l.Secondary.LogImpl(level, msg, fielders, opts, d)
}
func (l *TeeLogger) Transient(msg string, fielders ...Fielder) Logger {
l.LogImpl(Transient, msg, fielders, nil, ImplData{})
return l
}
func (l *TeeLogger) Verbose(msg string, fielders ...Fielder) Logger {
l.LogImpl(Verbose, msg, fielders, nil, ImplData{})
return l
}
func (l *TeeLogger) Info(msg string, fielders ...Fielder) Logger {
l.LogImpl(Info, msg, fielders, nil, ImplData{})
return l
}
func (l *TeeLogger) Warning(msg string, fielders ...Fielder) Logger {
l.LogImpl(Warning, msg, fielders, nil, ImplData{})
return l
}
func (l *TeeLogger) Error(msg string, fielders ...Fielder) Logger {
l.LogImpl(Error, msg, fielders, nil, ImplData{})
return l
}
func (l *TeeLogger) Log(level Level, msg string, fielders ...Fielder) Logger {
l.LogImpl(level, msg, fielders, nil, ImplData{})
return l
}