feat: implement TLS support

examples/message.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net"
+	"time"
+
+	"github.com/oarkflow/mq/codec"
+	"github.com/oarkflow/mq/consts"
+)
+
+func main() {
+	aesKey := []byte("thisis32bytekeyforaesencryption1")
+	hmacKey := []byte("thisisasecrethmackey1")
+	go func() {
+		listener, err := net.Listen("tcp", ":8081")
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer listener.Close()
+		log.Println("Server is listening on :8080")
+		for {
+			conn, err := listener.Accept()
+			if err != nil {
+				log.Println("Connection error:", err)
+				continue
+			}
+			go func(c net.Conn) {
+				defer c.Close()
+				for {
+					msg, err := codec.ReadMessage(c, aesKey, hmacKey)
+					if err != nil {
+						if err.Error() == "EOF" {
+							log.Println("Client disconnected")
+							break
+						}
+						log.Println("Failed to receive message:", err)
+						break
+					}
+					log.Printf("Received Message:\n  Headers: %v\n  Topic: %s\n  Command: %v\n  Payload: %s\n",
+						msg.Headers, msg.Topic, msg.Command, msg.Payload)
+				}
+			}(conn)
+		}
+	}()
+	time.Sleep(5 * time.Second)
+	conn, err := net.Dial("tcp", ":8081")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer conn.Close()
+	headers := map[string]string{"Api-Key": "121323"}
+	data := map[string]interface{}{"temperature": 23.5, "humidity": 60}
+	payload, _ := json.Marshal(data)
+	msg := &codec.Message{
+		Headers: headers,
+		Topic:   "sensor_data",
+		Command: consts.SUBSCRIBE,
+		Payload: payload,
+	}
+	if err := codec.SendMessage(conn, msg, aesKey, hmacKey); err != nil {
+		log.Fatalf("Error sending message: %v", err)
+	}
+	fmt.Println("Message sent successfully")
+	time.Sleep(5 * time.Second)
+}