Ensure input services can be safely opened and closed #7463
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jwilder
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Oct 17, 2016
| if s.ln != nil { | ||
| return s.ln.Close() | ||
| if s.closed() { | ||
| s.Logger.Println("Service already closed.") |
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Remove? Not sure this really provides any value.
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Oct 18, 2016
| @@ -225,7 +257,7 @@ func (s *Service) Statistics(tags map[string]string) []models.Statistic { | |||
| } | |||
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| // Err returns a channel for fatal errors that occur on the listener. | |||
| func (s *Service) Err() <-chan error { return s.err } | |||
| // func (s *Service) Err() <-chan error { return s.err } | |||
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Eurgh sorry I meant to remove this function. Nothing calls it. I don't think we need it on the services do we @jwilder?
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If it's not used by anything, then it could be removed.
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Required for all non-trivial PRs
This PR ensures that input services (
udp,graphite,opentsdbandcollectd) can be idempotently opened and closed.It also fixes a goroutine leak where a listener was not being closed properly.