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[maksis <1245179@xxxxxxxxxxxxxxxxxx>]

It's still doesn't work in the same way as my original patch. Please
read this: https://bugs.launchpad.net/dcplusplus/+bug/309402/comments/23

It should try connect via both protocols according to the original idea,
and I'd say that it's worth of keeping like that (for some reason I've
had quite a few issues with IPv6...). Your commit changes that behavior.

** Changed in: dcplusplus
       Status: Fix Committed => New

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https://bugs.launchpad.net/bugs/1245179

Title:
  Resolving addresses with A and AAAA entries may fail in some cases

Status in DC++:
  New

Bug description:
  Consider the following case:

  1. The client tries to connect to an address that has both A and AAAA entries
  2. ::getaddrinfo returns the AAAA entry first
  3. The client tries to connect via IPv6 but there's no IPv6 connectivity available (or it doesn't work for other reasons)
  4. Socket::connect throws immediately instead of continuing with the A entry

  I haven't seen this happening on Windows because it doesn't seem to
  return the AAAA entry if there is no (public) IPv6 connectivity
  available. However, Linux systems seem to generally return the AAAA
  first by default, regardless of the available connectivity. The
  attached patch should fix this issue.

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