Add more information I've needed to the status page

client.go

@@ -120,6 +120,9 @@ type Client struct {
 func (cl *Client) WriteStatus(w io.Writer) {
 	cl.mu.Lock()
 	defer cl.mu.Unlock()
+	fmt.Fprintf(w, "Half open: %d\n", cl.halfOpen)
+	fmt.Fprintf(w, "DHT nodes: %d\n", cl.DHT.NumNodes())
+	fmt.Fprintln(w)
 	for _, t := range cl.torrents {
 		fmt.Fprintf(w, "%s: %f%%\n", t.Name(), func() float32 {
 			if !t.haveInfo() {

connection.go

@@ -69,7 +69,7 @@ func (cn *connection) piecesPeerHasCount() (count int) {
 }
 
 func (cn *connection) WriteStatus(w io.Writer) {
-	fmt.Fprintf(w, "%q: %s-%s: %s completed: ", cn.PeerId, cn.Socket.LocalAddr(), cn.Socket.RemoteAddr(), cn.completedString())
+	fmt.Fprintf(w, "%q: %s-%s: %s completed, reqs: %d-%d, flags: ", cn.PeerId, cn.Socket.LocalAddr(), cn.Socket.RemoteAddr(), cn.completedString(), len(cn.Requests), len(cn.PeerRequests))
 	c := func(b byte) {
 		fmt.Fprintf(w, "%c", b)
 	}

dht/dht.go

@@ -679,6 +679,12 @@ func (s *Server) Bootstrap() (err error) {
 	return
 }
 
+func (s *Server) NumNodes() int {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	return len(s.nodes)
+}
+
 func (s *Server) Nodes() (nis []NodeInfo) {
 	s.mu.Lock()
 	defer s.mu.Unlock()

torrent.go

@@ -206,6 +206,7 @@ func (t *torrent) WriteStatus(w io.Writer) {
 			fmt.Fprintf(w, "\t%v\n", e.Value)
 		}
 	}
+	fmt.Fprintf(w, "Pending peers: %d\n", len(t.Peers))
 	for _, c := range t.Conns {
 		c.WriteStatus(w)
 	}