one simple connection client-server sending strings, works

server/main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"net"
+	"os"
+)
+
+const (
+	CONN_HOST = "localhost"
+	CONN_PORT = "3333"
+	CONN_TYPE = "tcp"
+)
+
+func main() { //server
+
+	fmt.Println("Launching server...")
+
+	// listen on all interfaces
+	ln, err := net.Listen(CONN_TYPE, CONN_HOST+":"+CONN_PORT)
+	if err != nil {
+		fmt.Println("Error listening:", err.Error())
+		os.Exit(1)
+	}
+
+	// Close the listener when the application closes.
+	defer ln.Close()
+	defer fmt.Println("ended")
+
+	fmt.Println("Listening on " + CONN_HOST + ":" + CONN_PORT)
+
+	// accept connection on port
+	c, err := ln.Accept()
+	if err != nil {
+		fmt.Println("Error accepting: ", err.Error())
+		os.Exit(1)
+	}
+	// will listen for message to process ending in newline (\n)
+	message, _ := bufio.NewReader(c).ReadString('\n')
+	// output message received
+	fmt.Print("client connected:", string(message), "\n")
+	for {
+		/*// will listen for message to process ending in newline (\n)
+		message, _ := bufio.NewReader(c).ReadString('\n')
+		// output message received
+		fmt.Print("client connected:", string(message), "\n")*/
+
+		newcommand := bufio.NewReader(os.Stdin)
+		fmt.Print("command to send to the clients: ")
+		text, _ := newcommand.ReadString('\n')
+		// send new string back to client
+		c.Write([]byte(text + "\n"))
+	}
+}