Rssmon2/server/server.go

87 lines
1.4 KiB
Go

package server
import (
"net/http"
"os"
"os/signal"
"path"
"strings"
"syscall"
"time"
)
type Server struct {
addr string
newItemHandler func(string, time.Duration)
}
func New(addr string, newItemHandler func(string, time.Duration)) (*Server, error) {
return &Server{
addr: addr,
newItemHandler: newItemHandler,
}, nil
}
func (s *Server) Serve() error {
var err error
go func() {
port := s.addr
if !strings.HasPrefix(port, ":") {
port = ":" + port
}
err = http.ListenAndServe(port, s)
}()
sigc := make(chan os.Signal)
signal.Notify(sigc,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGQUIT,
)
<-sigc
return err
}
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
switch advance(r) {
case "api":
s.api(w, r)
default:
s.bad(w, r)
}
}
func (s *Server) bad(w http.ResponseWriter, r *http.Request) {
http.NotFound(w, r)
}
func (s *Server) api(w http.ResponseWriter, r *http.Request) {
switch advance(r) {
case "feed":
s.feed(w, r)
default:
s.bad(w, r)
}
}
func (s *Server) feed(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
case "POST":
case "PUT":
default:
s.bad(w, r)
}
}
func advance(r *http.Request) string {
p := path.Clean("/" + r.URL.Path)
i := strings.Index(p[1:], "/") + 1
if i <= 0 {
r.URL.Path = "/"
return p[1:]
}
r.URL.Path = p[i:]
return p[1:i]
}