simplified library and added better examples and net.UnixListener support

example/port80.go

@@ -24,8 +24,9 @@ func main() {
 		fmt.Println("Failed to listen on FD 3:", err)
 		os.Exit(1)
 	}
+	_, port, _ := net.SplitHostPort(l.Addr().String())
 
 	http.Serve(l, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		fmt.Fprintf(w, "pid %d\nuid %d\ngid %d", os.Getpid(), os.Getuid(), os.Getgid())
+		fmt.Fprintf(w, "port %s\npid %d\nuid %d\ngid %d", port, os.Getpid(), os.Getuid(), os.Getgid())
 	}))
 }

example/port80and443.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+
+	"git.giftfish.de/ston1th/godrop"
+)
+
+func main() {
+	cfg := godrop.Config{
+		User:  "nobody",
+		Group: "nobody",
+	}
+	err := godrop.MultiDrop(cfg, func() ([]net.Listener, error) {
+		l1, err := net.Listen("tcp", ":80")
+		if err != nil {
+			return nil, err
+		}
+		l2, err := net.Listen("tcp", ":443")
+		return []net.Listener{l1, l2}, err
+	})
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	l1, err := godrop.GetListener()
+	if err != nil {
+		fmt.Println("Failed to listen on FD 3:", err)
+		os.Exit(1)
+	}
+	_, port1, _ := net.SplitHostPort(l1.Addr().String())
+
+	l2, err := godrop.GetListenerFd(4)
+	if err != nil {
+		fmt.Println("Failed to listen on FD 4:", err)
+		os.Exit(1)
+	}
+	_, port2, _ := net.SplitHostPort(l2.Addr().String())
+
+	go func() {
+		http.Serve(l1, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			fmt.Fprintf(w, "port %s\npid %d\nuid %d\ngid %d", port1, os.Getpid(), os.Getuid(), os.Getgid())
+		}))
+	}()
+
+	http.Serve(l2, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "port %s\npid %d\nuid %d\ngid %d", port2, os.Getpid(), os.Getuid(), os.Getgid())
+	}))
+}