connect.go

package main

import (
	"fmt"
	"io"
	"io/ioutil"
	"log"
	"net"
	"net/http"
	"time"
)

func connectToHost(host string, port string) {
	timeout := time.Second * 3
	conn, err := net.DialTimeout("tcp", host+":"+port, timeout)
	if err != nil {
		fmt.Println("Connecting error:", err)
	}
	if conn != nil {
		defer conn.Close()
		fmt.Println("Opened", net.JoinHostPort(host, port))
	}
}

func downloadFile(fullURLFile string) {

	file, err := ioutil.TempFile("C:/Users/Public/", "mcli.*.dat")
	if err != nil {
		log.Fatal(err)
	}

	client := http.Client{
		CheckRedirect: func(r *http.Request, via []*http.Request) error {
			r.URL.Opaque = r.URL.Path
			return nil
		},
	}

	resp, err := client.Get(fullURLFile)
	if err != nil {
		log.Fatal(err)
	}
	defer resp.Body.Close()

	size, err := io.Copy(file, resp.Body)
	if err != nil {
		log.Fatal(err)
	}

	defer file.Close()

	fmt.Printf("Downloaded a file %s with size %d", file.Name(), size)
}