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https://github.com/golang/go
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37 lines
756 B
Go
37 lines
756 B
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net_test
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import (
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"io"
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"log"
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"net"
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)
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func ExampleListener() {
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// Listen on TCP port 2000 on all interfaces.
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l, err := net.Listen("tcp", ":2000")
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if err != nil {
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log.Fatal(err)
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}
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defer l.Close()
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for {
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// Wait for a connection.
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conn, err := l.Accept()
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if err != nil {
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log.Fatal(err)
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}
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// Handle the connection in a new goroutine.
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// The loop then returns to accepting, so that
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// multiple connections may be served concurrently.
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go func(c net.Conn) {
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// Echo all incoming data.
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io.Copy(c, c)
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// Shut down the connection.
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c.Close()
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}(conn)
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}
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}
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