Tells the delegate that a better route to the host has been detected for the stream.
- iOS 9.0+
- macOS 10.11+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
The session of the stream task that discovered a better route.
The stream task that discovered a better route.
This method is called when the URL loading system determines that a better route to the endpoint host is available. For example, this method may be called when a Wi-Fi interface becomes available.
You should consider completing pending work and creating a new stream task in order to take advantage of better routes when they become available.