pub

tools/echoserver/main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func main() {
+	ports := []string{"18081", "18082", "18083"}
+
+	for _, port := range ports {
+		go startEchoServer(port)
+	}
+
+	// Block main goroutine
+	select {}
+}
+
+func startEchoServer(port string) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		msg := fmt.Sprintf("Response from Backend Server [Port: %s] | Requested Path: %s", port, r.URL.Path)
+		// Print to console so we can see which server handled it
+		log.Printf("[Port %s] Handled request for %s", port, r.URL.Path)
+		
+		w.Header().Set("Content-Type", "text/plain")
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte(msg + "\n"))
+	})
+
+	log.Printf("Starting Echo Server on :%s", port)
+	if err := http.ListenAndServe(":"+port, mux); err != nil {
+		log.Fatalf("Server on %s failed: %v", port, err)
+	}
+}