func (v *IPv4Matcher) Apply(ctx context.Context) bool {
ips := make([]net.IP, 0, 4)
if resolveIPs, ok := proxy.ResolvedIPsFromContext(ctx); ok {
for _, rip := range resolveIPs {
if !rip.Family().IsIPv4() {
continue
}
ips = append(ips, rip.IP())
}
}
var dest v2net.Destination
if v.onSource {
dest = proxy.SourceFromContext(ctx)
} else {
dest = proxy.DestinationFromContext(ctx)
}
if dest.IsValid() && dest.Address.Family().IsIPv4() {
ips = append(ips, dest.Address.IP())
}
for _, ip := range ips {
if v.ipv4net.Contains(ip) {
return true
}
}
return false
}
func (w *udpWorker) callback(b *buf.Buffer, source v2net.Destination, originalDest v2net.Destination) {
conn, existing := w.getConnection(source)
conn.input <- b.Bytes()
if !existing {
go func() {
ctx := w.ctx
ctx, cancel := context.WithCancel(ctx)
conn.cancel = cancel
if originalDest.IsValid() {
ctx = proxy.ContextWithOriginalDestination(ctx, originalDest)
}
if len(w.tag) > 0 {
ctx = proxy.ContextWithInboundTag(ctx, w.tag)
}
ctx = proxy.ContextWithSource(ctx, source)
ctx = proxy.ContextWithInboundDestination(ctx, v2net.UDPDestination(w.address, w.port))
w.proxy.Process(ctx, v2net.Network_UDP, conn)
w.removeConn(source)
cancel()
}()
}
}