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WIP: udp: add ipv6 support

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Returning IPv6 peers doesn't really work with UDP. It is not supported by
https://libtorrent.org/udp_tracker_protocol.html. There is a suggestion in
https://web.archive.org/web/20170503181830/http://opentracker.blog.h3q.com/2007/12/28/the-ipv6-situation/
of using action number 4 and returning IPv6 octets just like for IPv4
addresses. Clients seem not to support it very well, but due to a lack of
alternative solutions, it is implemented here
This commit is contained in:
Joakim Frostegård 2020-07-31 05:37:58 +02:00
parent bdb6aced1c
commit a3a1d1606b
8 changed files with 230 additions and 111 deletions
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2
aquatic_common/src/lib.rs
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@ -82,7 +82,7 @@ pub fn extract_response_peers<K, V, R, F>(
#[inline]
pub fn convert_ipv4_mapped_ipv4(ip_address: IpAddr) -> IpAddr {
pub fn convert_ipv4_mapped_ipv6(ip_address: IpAddr) -> IpAddr {
if let IpAddr::V6(ip) = ip_address {
if let [0, 0, 0, 0, 0, 0xffff, ..] = ip.segments(){
ip.to_ipv4().expect("convert ipv4-mapped ip").into()