62 lines
1.0 KiB
Go
62 lines
1.0 KiB
Go
package main
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import (
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"context"
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"errors"
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"log"
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"net"
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"net/http"
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"os"
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"os/signal"
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"time"
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)
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func main() {
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log.SetFlags(0)
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err := run()
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if err != nil {
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log.Fatal(err)
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}
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}
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// run starts a http.Server for the passed in address
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// with all requests handled by echoServer.
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func run() error {
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if len(os.Args) < 2 {
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return errors.New("please provide an address to listen on as the first argument")
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}
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l, err := net.Listen("tcp", os.Args[1])
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if err != nil {
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return err
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}
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log.Printf("listening on http://%v", l.Addr())
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s := &http.Server{
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Handler: echoServer{
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logf: log.Printf,
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},
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ReadTimeout: time.Second * 10,
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WriteTimeout: time.Second * 10,
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}
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errc := make(chan error, 1)
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go func() {
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errc <- s.Serve(l)
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}()
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, os.Interrupt)
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select {
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case err := <-errc:
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log.Printf("failed to serve: %v", err)
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case sig := <-sigs:
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log.Printf("terminating: %v", sig)
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}
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
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defer cancel()
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return s.Shutdown(ctx)
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}
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