mirror of https://github.com/tidwall/evio.git
48 lines
901 B
Go
48 lines
901 B
Go
// Copyright 2017 Joshua J Baker. All rights reserved.
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net"
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)
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func main() {
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var port int
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flag.IntVar(&port, "port", 5000, "server port")
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flag.Parse()
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ln, err := net.Listen("tcp4", fmt.Sprintf(":%d", port))
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if err != nil {
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log.Fatal(err)
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}
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defer ln.Close()
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log.Printf("echo server started on port %d", port)
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var id int
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for {
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conn, err := ln.Accept()
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if err != nil {
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log.Fatal(err)
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}
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id++
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go func(id int, conn net.Conn) {
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defer func() {
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//log.Printf("closed: %d", id)
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conn.Close()
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}()
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//log.Printf("opened: %d: %s", id, conn.RemoteAddr().String())
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var packet [0xFFF]byte
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for {
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n, err := conn.Read(packet[:])
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if err != nil {
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return
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}
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conn.Write(packet[:n])
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}
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}(id, conn)
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}
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}
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