1package main
 2
 3import (
 4	"bufio"
 5	"fmt"
 6	"net"
 7	"os"
 8)
 9
10const (
11	CONN_HOST = "localhost"
12	CONN_PORT = "3333"
13	CONN_TYPE = "tcp"
14)
15
16func main() { //server
17
18	fmt.Println("Launching server...")
19
20	// listen on all interfaces
21	ln, err := net.Listen(CONN_TYPE, CONN_HOST+":"+CONN_PORT)
22	if err != nil {
23		fmt.Println("Error listening:", err.Error())
24		os.Exit(1)
25	}
26
27	// Close the listener when the application closes.
28	defer ln.Close()
29	defer fmt.Println("ended")
30
31	fmt.Println("Listening on " + CONN_HOST + ":" + CONN_PORT)
32
33	// accept connection on port
34	c, err := ln.Accept()
35	if err != nil {
36		fmt.Println("Error accepting: ", err.Error())
37		os.Exit(1)
38	}
39	// will listen for message to process ending in newline (\n)
40	message, _ := bufio.NewReader(c).ReadString('\n')
41	// output message received
42	fmt.Print("client connected:", string(message), "\n")
43	for {
44		/*// will listen for message to process ending in newline (\n)
45		message, _ := bufio.NewReader(c).ReadString('\n')
46		// output message received
47		fmt.Print("client connected:", string(message), "\n")*/
48
49		newcommand := bufio.NewReader(os.Stdin)
50		fmt.Print("command to send to the clients: ")
51		text, _ := newcommand.ReadString('\n')
52		// send new string back to client
53		c.Write([]byte(text + "\n"))
54	}
55}