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Re-add read lock

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Till Faelligen 2022-08-02 19:06:37 +02:00
parent 91bffae350
commit 0e0ab48c92
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7
internal/httputil/rate_limiting.go
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@ -69,6 +69,13 @@ func (l *RateLimits) Limit(req *http.Request, device *userapi.Device) *util.JSON
return nil return nil
} }
// Take a read lock out on the cleaner mutex. The cleaner expects to
// be able to take a write lock, which isn't possible while there are
// readers, so this has the effect of blocking the cleaner goroutine
// from doing its work until there are no requests in flight.
l.cleanMutex.RLock()
defer l.cleanMutex.RUnlock()
// First of all, work out if X-Forwarded-For was sent to us. If not // First of all, work out if X-Forwarded-For was sent to us. If not
// then we'll just use the IP address of the caller. // then we'll just use the IP address of the caller.
var caller string var caller string