allow to specify custom port

pkg/wyze/client.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"net"
 	"net/url"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -278,11 +279,16 @@ func (c *Client) Close() error {
 
 func (c *Client) connect() error {
 	host := c.host
+	port := 0
+
 	if idx := strings.Index(host, ":"); idx > 0 {
+		if p, err := strconv.Atoi(host[idx+1:]); err == nil {
+			port = p
+		}
 		host = host[:idx]
 	}
 
-	conn, err := tutk.Dial(host, c.uid, c.authKey, c.enr, c.mac, c.verbose)
+	conn, err := tutk.Dial(host, port, c.uid, c.authKey, c.enr, c.mac, c.verbose)
 	if err != nil {
 		return fmt.Errorf("wyze: connect failed: %w", err)
 	}

pkg/wyze/tutk/conn.go

@@ -78,7 +78,7 @@ type Conn struct {
 	cmdAck func()
 }
 
-func Dial(host, uid, authKey, enr, mac string, verbose bool) (*Conn, error) {
+func Dial(host string, port int, uid, authKey, enr, mac string, verbose bool) (*Conn, error) {
 	udp, err := net.ListenUDP("udp", nil)
 	if err != nil {
 		return nil, err
@@ -89,9 +89,13 @@ func Dial(host, uid, authKey, enr, mac string, verbose bool) (*Conn, error) {
 	ctx, cancel := context.WithCancel(context.Background())
 	psk := derivePSK(enr)
 
+	if port == 0 {
+		port = DefaultPort
+	}
+
 	c := &Conn{
 		conn:    udp,
-		addr:    &net.UDPAddr{IP: net.ParseIP(host), Port: DefaultPort},
+		addr:    &net.UDPAddr{IP: net.ParseIP(host), Port: port},
 		rid:     genRandomID(),
 		uid:     uid,
 		authKey: authKey,