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48 lines
932 B
Go
48 lines
932 B
Go
10 years ago
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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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"net/http"
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"os"
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"strings"
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)
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var options struct {
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port int
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hostname string
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}
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func bail(status int, template string, args ...interface{}) {
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if !strings.HasSuffix(template, "\n") {
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template += "\n"
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}
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if status == 0 {
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fmt.Fprintf(os.Stdout, template, args...)
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} else {
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fmt.Fprintf(os.Stderr, template, args...)
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}
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os.Exit(status)
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}
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func main() {
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flag.Parse()
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cwd, err := os.Getwd()
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if err != nil {
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bail(1, "unable to get working directory: %v", err)
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}
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dir := http.Dir(cwd)
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http.Handle("/", http.FileServer(dir))
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addr := fmt.Sprintf("%s:%d", options.hostname, options.port)
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fmt.Printf("serving %s on %s\n", cwd, addr)
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if err := http.ListenAndServe(addr, nil); err != nil {
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bail(1, "unable to start server: %v", err)
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}
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}
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func init() {
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flag.IntVar(&options.port, "port", 8000, "port to serve on")
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flag.StringVar(&options.hostname, "host", "", "hostname")
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}
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