322790226b
nc behaviour depends on the implementation version of what's on the current host. Here we use our own client with stable behaviour. Signed-off-by: Federico Paolinelli <fpaoline@redhat.com>
58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
// Echosvr is a simple TCP echo server
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//
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// It prints its listen address on stdout
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// 127.0.0.1:xxxxx
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// A test should wait for this line, parse it
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// and may then attempt to connect.
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package main
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import (
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"bufio"
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"fmt"
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"io"
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"net"
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"os"
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"strings"
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"time"
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)
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func main() {
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listener, err := net.Listen("tcp", ":")
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if err != nil {
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panic(err)
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}
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_, port, err := net.SplitHostPort(listener.Addr().String())
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if err != nil {
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panic(err)
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}
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fmt.Printf("127.0.0.1:%s\n", port)
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for {
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conn, err := listener.Accept()
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if err != nil {
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panic(err)
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}
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go handleConnection(conn)
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}
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}
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func handleConnection(conn net.Conn) {
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conn.SetReadDeadline(time.Now().Add(1 * time.Minute))
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content, err := bufio.NewReader(conn).ReadString('\n')
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if err != nil && err != io.EOF {
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fmt.Fprint(os.Stderr, err.Error())
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return
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}
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conn.SetWriteDeadline(time.Now().Add(1 * time.Minute))
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if _, err = conn.Write([]byte(strings.TrimSuffix(content, "\n"))); err != nil {
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fmt.Fprint(os.Stderr, err.Error())
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return
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}
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if err = conn.Close(); err != nil {
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fmt.Fprint(os.Stderr, err.Error())
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return
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}
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}
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