grace/gracehttp/testserver/testserver.go
2012-06-04 22:21:10 +00:00

56 lines
1.2 KiB
Go

// Command testserver implements a test case.
package main
import (
"encoding/json"
"flag"
"github.com/nshah/go.grace/gracehttp"
"log"
"net/http"
"os"
"time"
)
type response struct {
Sleep time.Duration
Pid int
}
var (
address0 = flag.String("a0", ":48567", "Zero address to bind to.")
address1 = flag.String("a1", ":48568", "First address to bind to.")
address2 = flag.String("a2", ":48569", "Second address to bind to.")
)
func main() {
flag.Parse()
err := json.NewEncoder(os.Stderr).Encode(&response{Pid: os.Getpid()})
if err != nil {
log.Fatalf("Error writing startup json: %s", err)
}
gracehttp.Serve(
gracehttp.Handler{*address0, newHandler()},
gracehttp.Handler{*address1, newHandler()},
gracehttp.Handler{*address2, newHandler()},
)
}
func newHandler() http.Handler {
mux := http.NewServeMux()
mux.HandleFunc("/sleep/", func(w http.ResponseWriter, r *http.Request) {
duration, err := time.ParseDuration(r.FormValue("duration"))
if err != nil {
http.Error(w, err.Error(), 400)
}
time.Sleep(duration)
err = json.NewEncoder(w).Encode(&response{
Sleep: duration,
Pid: os.Getpid(),
})
if err != nil {
log.Fatalf("Error encoding json: %s", err)
}
})
return mux
}