Path-aware subclasses InetSocketAddress #86
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DatagramChannel.receive()should return a subclass ofInetSocketAddressthat containsReturnPathinformation.To do this we introduce a new
ScionReturnAddressclass that extendsInetSocketAddress.This allows paths to be returned by
DatagramChannel.receive(). At the same time, a normalPathdoes not expose anyInetSocketAddressmethods to avoid confusion. In particular, as far as the user is concerned an InetSocketAddress is never a SCION address (it does not have ISD/AS), and a SCION resolved address is always a Path.