Merge pull request #77 from ros-tel/master

Auto reply on server ping-request

xmpp.go

@@ -600,6 +600,12 @@ func (c *Client) Recv() (stanza interface{}, err error) {
 		case *clientPresence:
 			return Presence{v.From, v.To, v.Type, v.Show, v.Status}, nil
 		case *clientIQ:
+			if bytes.Equal(v.Query, []byte(`<ping xmlns='urn:xmpp:ping'/>`)) {
+				err := c.SendResultPing(v.ID, v.From)
+				if err != nil {
+					return Chat{}, err
+				}
+			}
 			return IQ{ID: v.ID, From: v.From, To: v.To, Type: v.Type, Query: v.Query}, nil
 		}
 	}

xmpp_ping.go

@@ -25,3 +25,9 @@ func (c *Client) PingS2S(fromServer, toServer string) error {
 		xmlEscape(fromServer), xmlEscape(toServer))
 	return err
 }
+
+func (c *Client) SendResultPing(id, toServer string) error {
+	_, err := fmt.Fprintf(c.conn, "<iq type='result' to='%s' id='%s'/>",
+		xmlEscape(toServer), xmlEscape(id))
+	return err
+}