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1 /*
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2 server.go : server-program.
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3 Version : 1.0
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4 Last Change: 2018-09-30 Sun 16:03:40.
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5
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6 install to: server_root/
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7
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8 server_root/server
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9 + db/
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10 + release/
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11 + images/
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12 */
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13 package main
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14
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15 import(
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16 "path/filepath"
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17 "fmt"
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18 "io"
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19 "log"
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20 "net"
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21 "net/http"
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22 "os"
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23 )
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24
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25 func main() {
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26
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27 var server string
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28 var port = ":3910"
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29
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30 addrs, err := net.InterfaceAddrs()
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31 if err != nil {
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32 log.Fatal( err )
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33 }
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34 for _, a := range addrs {
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35 if ipnet, ok := a.( *net.IPNet ); ok && !ipnet.IP.IsLoopback() {
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36 if ipnet.IP.To4() != nil {
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37 server = ipnet.IP.String() + port
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38 }
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39 }
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40 }
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41
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42 cwd, err := os.Getwd()
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43 if err != nil {
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44 log.Fatal( err )
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45 }
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46
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47 fmt.Println( "server start [", server, "]" )
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48 http.HandleFunc( "/", func( w http.ResponseWriter, r *http.Request ) {
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49 file := filepath.Join( cwd, filepath.FromSlash( r.URL.Path ) )
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50 fmt.Println( file )
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51 f, err := os.Open( file )
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52 if err != nil {
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53 http.NotFound( w, r )
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54 return
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55 }
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56 defer f.Close()
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57 io.Copy( w, f )
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58 } )
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59 log.Fatal( http.ListenAndServe( server, nil ) )
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60 }
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61
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