implement #2175

Author: kataras

core/host/task.go

@@ -9,7 +9,9 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"net"
 	"net/http"
+	"strings"
 	"time"
 
 	"github.com/kataras/iris/v12/core/netutil"
@@ -26,9 +28,72 @@ func WriteStartupLogOnServe(w io.Writer) func(TaskHost) {
 		if addr == "" {
 			addr = h.Supervisor.Server.Addr
 		}
+
+		var listeningURIs = make([]string, 0, 1)
+
+		if host, port, err := net.SplitHostPort(addr); err == nil { // Improve for the issue #2175.
+			if host == "" || host == "0.0.0.0" {
+				if ifaces, err := net.Interfaces(); err == nil {
+					var ips []string
+					for _, i := range ifaces {
+						addrs, err := i.Addrs()
+						if err != nil {
+							continue
+						}
+						for _, localAddr := range addrs {
+							var ip net.IP
+							switch v := localAddr.(type) {
+							case *net.IPNet:
+								ip = v.IP
+							case *net.IPAddr:
+								ip = v.IP
+							}
+							if ip != nil && ip.To4() != nil {
+								if !ip.IsPrivate() {
+									// let's don't print ips that are not accessible through browser.
+									continue
+								}
+								ips = append(ips, ip.String())
+							}
+						}
+					}
+
+					for _, ip := range ips {
+						listeningURI := netutil.ResolveURL(guessScheme, fmt.Sprintf("%s:%s", ip, port))
+
+						listeningURI = "> Network: " + listeningURI
+						listeningURIs = append(listeningURIs, listeningURI)
+					}
+				}
+			}
+		}
+
+		//	if len(listeningURIs) == 0 {
+		// ^ check no need, we want to print the virtual addr too.
 		listeningURI := netutil.ResolveURL(guessScheme, addr)
+		if len(listeningURIs) > 0 {
+			listeningURIs[0] = "\n" + listeningURIs[0]
+			listeningURI = "> Local: " + listeningURI
+		}
+		listeningURIs = append(listeningURIs, listeningURI)
+
 		_, _ = fmt.Fprintf(w, "Now listening on: %s\nApplication started. Press CTRL+C to shut down.\n",
-			listeningURI)
+			strings.Join(listeningURIs, "\n"))
+
+		/*
+			When :8080 or 0.0.0.0:8080:
+				Now listening on:
+				> Network: http://192.168.1.109:8080
+				> Network: http://172.25.224.1:8080
+				> Local: http://localhost:8080
+				Application started. Press CTRL+C to shut down.
+
+			Otherwise:
+				Iris Version: 12.2.1
+
+				Now listening on: http://192.168.1.109:8080
+				Application started. Press CTRL+C to shut down.
+		*/
 	}
 }
 

iris.go

@@ -38,7 +38,7 @@ import (
 )
 
 // Version is the current version of the Iris Web Framework.
-const Version = "12.2.0"
+const Version = "12.2.1"
 
 // Byte unit helpers.
 const (