Refactor - now wireguard based. (#7)

peer/ping.go

@@ -0,0 +1,21 @@
+package peer
+
+import (
+	"log"
+	"net/netip"
+
+	"vppn/peer/control"
+)
+
+func (a *App) sendPing(p *Peer, ts int64) {
+	ping := control.Ping{
+		PingTS: ts,
+		SrcV4:  a.selfV4,
+		SrcV6:  a.selfV6,
+		Dst:    p.WGEndpoint(),
+	}
+	dst := netip.AddrPortFrom(p.VPNIP, ControlPort)
+	if err := a.controlConn.SendPing(dst, ping, a.scratch); err != nil {
+		log.Printf("sendPing %v: %v", p.VPNIP, err)
+	}
+}