54 lines
801 B
Go
54 lines
801 B
Go
package main
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import (
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"net"
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"os"
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"fmt"
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)
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func main() {
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service := ":1201"
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tcpAddr, err := net.ResolveTCPAddr("tcp4", service)
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checkError(err)
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listener, err := net.ListenTCP("tcp", tcpAddr)
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checkError(err)
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for {
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conn, err := listener.Accept()
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if err != nil {
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continue
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}
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go handleClient(conn)
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}
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}
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func handleClient(conn net.Conn) {
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// close connection on exit
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defer conn.Close()
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var buf [512]byte
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for {
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// read up to 512 bytes
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n, err := conn.Read(buf[0:])
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if err != nil {
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return
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}
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// write the n bytes read
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_, err2 := conn.Write(buf[0:n])
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if err2 != nil {
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return
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}
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}
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}
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func checkError(err error) {
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if err != nil {
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fmt.Fprintf(os.Stderr, "Fatal error: %s", err.Error())
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os.Exit(1)
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}
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}
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