🎉 Initial version

TPLinkClient/Network.go

@@ -0,0 +1,45 @@
+package TPLinkClient
+
+import (
+	"fmt"
+	"net"
+	"time"
+)
+
+func sendPacket(packet []byte) {
+	addr, err := net.ResolveUDPAddr("udp", "255.255.255.255:29808")
+	if err != nil {
+		fmt.Println("Could not resolve UDP addr")
+		return
+	}
+	conn, err := net.DialUDP("udp", nil, addr)
+	if err != nil {
+		fmt.Println("Failed to dial UDP")
+		return
+	}
+	defer conn.Close()
+	conn.Write(packet)
+}
+
+func recvPacket(buf *[]byte) int {
+	listen_addr, err := net.ResolveUDPAddr("udp", "255.255.255.255:29809")
+	if err != nil {
+		fmt.Println("Could not resolve UDP addr")
+		return -1
+	}
+	listener, err := net.ListenUDP("udp", listen_addr)
+	if err != nil {
+		fmt.Println("Failed to dial UDP")
+		return -1
+	}
+	defer listener.Close()
+
+	// Time out after three seconds
+	listener.SetReadDeadline(time.Now().Add(3 * time.Second))
+
+	len, _, err := listener.ReadFrom(*buf)
+	if err != nil {
+		return -1
+	}
+	return len
+}