51 lines
954 B
Go
51 lines
954 B
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"net"
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"os"
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)
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func server() {
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fmt.Println()
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ln, err := net.Listen("tcp", ":8080")
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catchErr(err)
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fmt.Println("Listening...")
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for {
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conn, err := ln.Accept()
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catchErr(err)
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go handleConn(conn)
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}
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}
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func handleConn(conn net.Conn) {
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defer conn.Close()
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message, err := bufio.NewReader(conn).ReadString('\n')
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catchErr(err)
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conn_IP := getIP(conn)
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final_message := fmt.Sprintf("Received connection from %v with message: %v", conn_IP, message)
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reply_message := fmt.Sprintf("Your message was sent successfully\n")
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conn.Write([]byte(reply_message))
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fmt.Println(final_message)
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}
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func getIP(conn net.Conn) (IP string) {
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if addr, ok := conn.RemoteAddr().(*net.TCPAddr); ok {
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IP = fmt.Sprintf("%v", addr)
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}
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return IP
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}
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func catchErr(err error) (errHappened bool) {
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errHappened = false
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if err != nil {
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errHappened = true
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log.Fatalf("Error: %v\n", err)
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os.Exit(2)
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}
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return errHappened
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}
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