增加罗列按需拉流的列表

main.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 
 	. "m7s.live/engine/v4"
+	"m7s.live/engine/v4/config"
 )
 
 //go:embed ui
@@ -21,13 +22,28 @@ func (p *PreviewConfig) OnEvent(event any) {
 
 }
 
-var plugin = InstallPlugin(&PreviewConfig{})
+var _ = InstallPlugin(&PreviewConfig{})
 
 func (p *PreviewConfig) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Path == "/preview/" {
-		Streams.Range(func(streamPath string, s *Stream) {
-			w.Write([]byte(fmt.Sprintf("<a href='%s'>%s</a><br>", streamPath, streamPath)))
+		var s string
+		Streams.Range(func(streamPath string, _ *Stream) {
+			s += fmt.Sprintf("<a href='%s'>%s</a><br>", streamPath, streamPath)
 		})
+		if s != "" {
+			s = "<b>Live Streams</b><br>" + s
+		}
+		for name, p := range Plugins {
+			if pullcfg, ok := p.Config.(config.PullConfig); ok {
+				if pullonsub := pullcfg.GetPullConfig().PullOnSub; pullonsub != nil {
+					s += fmt.Sprintf("<b>%s pull stream on subscribe</b><br>", name)
+					for streamPath, url := range pullonsub {
+						s += fmt.Sprintf("<a href='%s'>%s</a> <-- %s<br>", streamPath, streamPath, url)
+					}
+				}
+			}
+		}
+		w.Write([]byte(s))
 		return
 	}
 	ss := strings.Split(r.URL.Path, "/")