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Add new fields Port Internal and Port External to the Announcement/Response message according to the latest Whitepaper 0.7.3.

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These fields will be used for NAT detection and UPnP support.
This commit is contained in:
Kleissner
2021-05-03 14:05:07 +02:00
parent 948fa2be91
commit f3c9d5e17f
3 changed files with 69 additions and 38 deletions
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5
Network.go
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@@ -26,6 +26,7 @@ type Network struct {
multicastSocket net.PacketConn // Multicast socket, IPv6 only.
broadcastSocket net.PacketConn // Broadcast socket, IPv4 only.
broadcastIPv4 []net.IP // Broadcast IPs, IPv4 only.
externalPort uint16 // External port. 0 if not known.
isTerminated bool // If true, the network was signaled for termination
terminateSignal chan interface{} // gets closed on termination signal, can be used in select via "case _ = <- network.terminateSignal:"
sync.RWMutex // for sychronized closing
@@ -218,8 +219,8 @@ func GetNetworks(networkType int) (networks []*Network) {
}
// GetListen returns connectivity information
func (network *Network) GetListen() (listen *net.UDPAddr, multicastIPv6 net.IP, broadcastIPv4 []net.IP) {
return network.address, network.multicastIP, network.broadcastIPv4
func (network *Network) GetListen() (listen *net.UDPAddr, multicastIPv6 net.IP, broadcastIPv4 []net.IP, externalPort uint16) {
return network.address, network.multicastIP, network.broadcastIPv4, network.externalPort
}
// GetAdapterName returns the adapter name, if available