29 lines
586 B
Go
29 lines
586 B
Go
package modbus
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import (
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"sync"
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"github.com/grid-x/modbus"
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"github.com/volkszaehler/mbmd/meters"
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)
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type logger struct {
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mu sync.RWMutex
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logger meters.Logger
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}
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func (l *logger) WithLogger(logger modbus.Logger, fun func() ([]byte, error)) ([]byte, error) {
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l.mu.Lock()
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defer l.mu.Unlock()
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l.logger = logger
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return fun()
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}
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// Printf implements modbus.Logger interface.
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// Must always be called while being wrapped in WithLogger, hence the lock is held.
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func (l *logger) Printf(format string, v ...interface{}) {
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if l.logger != nil {
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l.logger.Printf(format, v...)
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}
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}
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