feat: create test executable (cli in future)

cmd/main.go

@@ -0,0 +1,169 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/LandaMm/hsp-go/hsp"
+	"github.com/LandaMm/hsp-go/hsp/client"
+	"github.com/LandaMm/hsp-go/hsp/server"
+)
+
+func PingPongRoute(req *hsp.Request) *hsp.Response {
+	log.Println("Ping pong request:", req.GetRawPacket())
+	df, err := req.GetDataFormat()
+	if err != nil {
+		return hsp.NewErrorResponse(err)
+	}
+
+	log.Println("Data format of the request:", df)
+
+	text, err := req.ExtractText()
+	if err != nil {
+		return hsp.NewErrorResponse(err)
+	}
+
+	log.Println("Received text from req:", text)
+
+	// return hsp.NewStatusResponse(hsp.STATUS_SUCCESS)
+	res, err := hsp.NewJsonResponse(map[string]any{
+		"success": true,
+		"message": text,
+	})
+
+	if err != nil {
+		return hsp.NewErrorResponse(err)
+	}
+
+	return res
+}
+
+func FileUploadRoute(req *hsp.Request) *hsp.Response {
+	log.Println("[MAIN] File Upload request:", req)
+	bytes, err := req.ExtractBytes()
+	if err != nil {
+		return hsp.NewStatusResponse(hsp.STATUS_INTERNALERR)
+	}
+
+	filename := "received.bin"
+	err = os.WriteFile(filename, bytes, 0644)
+	if err != nil {
+		log.Fatalln("Failed to write packet payload into a file:", err)
+		return hsp.NewStatusResponse(hsp.STATUS_INTERNALERR)
+	}
+
+	log.Println("Received new request from client:", req.Conn().RemoteAddr().String())
+
+	res := hsp.NewTextResponse("Hello, World!")
+	res.AddHeader("filename", filename)
+
+	return res
+}
+
+func JsonMockRoute(req *hsp.Request) *hsp.Response {
+	log.Println("[JSON MOCK] New request:", req.GetRawPacket())
+
+	var test map[string]any
+
+	if err := req.ExtractJson(&test); err != nil {
+		return hsp.NewErrorResponse(err)
+	}
+
+	log.Println("Json data from request:", test)
+
+	res, err := hsp.NewJsonResponse(test)
+	if err != nil {
+		return hsp.NewErrorResponse(err)
+	}
+
+	return res
+}
+
+func main() {
+	addr, err := hsp.ParseAddress("127.0.0.1")
+	if err != nil {
+		panic(err)
+	}
+	srv := server.NewServer(*addr)
+	fmt.Printf("Server created on address: %s\n", srv.Addr.String())
+
+	handler := make(chan net.Conn, 1)
+
+	router := server.NewRouter()
+
+	router.AddRoute("/file-upload", FileUploadRoute)
+	router.AddRoute("/ping-pong", PingPongRoute)
+	router.AddRoute("/mock-json", JsonMockRoute)
+
+	srv.SetListener(handler)
+
+	go func() {
+		for {
+			conn := <-handler
+			if err := router.Handle(conn); err != nil {
+				log.Println("[MAIN] Error handling connection:", err.Error())
+			}
+		}
+	}()
+
+	sigs := make(chan os.Signal, 1)
+
+	go func() {
+		s := <-sigs
+		if s == syscall.SIGINT || s == syscall.SIGTERM {
+			log.Println("Gracefully shutting down the server")
+			if err := srv.Stop(); err != nil {
+				log.Fatalln("Failed to close the server:", err)
+			}
+		}
+	}()
+
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		time.Sleep(3 * time.Second)
+		c := client.NewClient()
+		rsp, err := c.SendText("localhost/ping-pong", "Hello, guys!")
+		if err != nil {
+			log.Fatalf("[CLIENT] Failed to received response from ping-pong: %s\n", err)
+		}
+		log.Println("[CLIENT] received response from remote server:", rsp)
+		bts, err := json.Marshal(rsp)
+		if err != nil {
+			log.Fatalln("[CLIENT] Failed to serialize response from server")
+		}
+
+		log.Println("[CLIENT] Serialized response from server:", string(bts))
+	}()
+
+	go func() {
+		time.Sleep(1 * time.Second)
+		c := client.NewClient()
+		rsp, err := c.SendJson("localhost/mock-json", map[string]any{
+			"mock": true,
+			"message": "Hello, everyone!",
+		})
+
+		if err != nil {
+			log.Fatalf("[CLIENT] Failed to received response from ping-pong: %s\n", err)
+		}
+
+		log.Println("[CLIENT] received response from remote server:", rsp)
+		bts, err := json.Marshal(rsp)
+		if err != nil {
+			log.Fatalln("[CLIENT] Failed to serialize response from server")
+		}
+
+		log.Println("[CLIENT] Serialized response from server:", string(bts))
+	}()
+
+	if err := srv.Start(); err != nil {
+		log.Fatalln("Failed to start server:", err)
+	}
+}