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possibly make multicast automatic peer detection work on windows

This commit is contained in:
Arceliar 2018-01-24 17:44:39 -06:00
parent e52b099d05
commit 83e0579ca8

View File

@ -132,11 +132,16 @@ func (n *node) listen() {
}
//if rcm == nil { continue } // wat
//fmt.Println("DEBUG:", "packet from:", fromAddr.String())
if !rcm.Dst.IsLinkLocalMulticast() {
continue
}
if !rcm.Dst.Equal(groupAddr.IP) {
continue
if rcm != nil {
// Windows can't set the flag needed to return a non-nil value here
// So only make these checks if we get something useful back
// TODO? Skip them always, I'm not sure if they're really needed...
if !rcm.Dst.IsLinkLocalMulticast() {
continue
}
if !rcm.Dst.Equal(groupAddr.IP) {
continue
}
}
anAddr := string(bs[:nBytes])
addr, err := net.ResolveUDPAddr("udp6", anAddr)
@ -163,11 +168,7 @@ func (n *node) announce() {
if err != nil {
panic(err)
}
udpaddr := n.core.DEBUG_getGlobalUDPAddr()
anAddr, err := net.ResolveUDPAddr("udp6", udpaddr.String())
if err != nil {
panic(err)
}
var anAddr net.UDPAddr
destAddr, err := net.ResolveUDPAddr("udp6", multicastAddr)
if err != nil {
panic(err)
@ -266,7 +267,8 @@ func main() {
//defer conn.Close() // Let it close on its own when the application exits
n.sock = ipv6.NewPacketConn(conn)
if err = n.sock.SetControlMessage(ipv6.FlagDst, true); err != nil {
panic(err)
// Windows can't set this flag, so we need to handle it in other ways
//panic(err)
}
go n.listen()
go n.announce()