TRA-3437 switch fiber and ikisocket with gin-gonic and gorilla websocket (#136)

* WIP

* WIP

* WIP

* Update socket_server_handlers.go and socket_routes.go

* Fix stuck sockets

* Update go.mod, go.sum, and 5 more files...

* Update socket_routes.go

* Update Dockerfile, go.sum, and fiber_middleware.go

* fix analyze

Co-authored-by: RamiBerm <rami.berman@up9.com>

agent/pkg/utils/utils.go

@@ -1,32 +1,42 @@
 package utils
 
 import (
-	"github.com/gofiber/fiber/v2"
+	"context"
+	"github.com/gin-gonic/gin"
 	"github.com/romana/rlog"
 	"log"
+	"net/http"
 	"net/url"
 	"os"
 	"os/signal"
 	"reflect"
 	"syscall"
+	"time"
 )
 
 // StartServer starts the server with a graceful shutdown
-func StartServer(app *fiber.App) {
+func StartServer(app *gin.Engine) {
 	signals := make(chan os.Signal, 2)
 	signal.Notify(signals,
 		os.Interrupt,  	  // this catch ctrl + c
 		syscall.SIGTSTP,  // this catch ctrl + z
 	)
 
+	srv := &http.Server{
+		Addr:    ":8080",
+		Handler: app,
+	}
+
 	go func() {
 		_ = <-signals
 		rlog.Infof("Shutting down...")
-		_ = app.Shutdown()
+		ctx, _ := context.WithTimeout(context.Background(), 5*time.Second)
+		_ = srv.Shutdown(ctx)
+		os.Exit(0)
 	}()
 
 	// Run server.
-	if err := app.Listen(":8899"); err != nil {
+	if err := app.Run(":8899"); err != nil {
 		log.Printf("Oops... Server is not running! Reason: %v", err)
 	}
 }