Cleanup.

peer/remote.go

@@ -7,6 +7,7 @@ import (
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 
 	"vppn/peer/control"
+	"vppn/peer/wginterface"
 )
 
 type PeerState string
@@ -61,6 +62,11 @@ func (p *Peer) Up() bool {
 	return time.Since(p.LastPing) < 3*PingInterval
 }
 
+func (p *Peer) DirectAlive() bool {
+	return p.WGEndpoint().IsValid() &&
+		time.Since(p.LastHandshakeTime()) < 2*wginterface.ProbeKeepalive
+}
+
 func (p *Peer) CanRelay() bool {
 	return p.IsRelay && p.Up()
 }