connect() returns a boolean

src/xmpp/xmpp_component.cpp

@@ -46,9 +46,9 @@ XmppComponent::~XmppComponent()
 {
 }
 
-void XmppComponent::start()
+bool XmppComponent::start()
 {
-  this->connect("127.0.0.1", "5347");
+  return this->connect("127.0.0.1", "5347");
 }
 
 void XmppComponent::send_stanza(const Stanza& stanza)

src/xmpp/xmpp_component.hpp

@@ -25,9 +25,10 @@ public:
   void parse_in_buffer() override final;
 
   /**
-   * Connect to the XMPP server
+   * Connect to the XMPP server.
+   * Returns false if we failed to connect
    */
-  void start();
+  bool start();
   /**
    * Serialize the stanza and add it to the out_buf to be sent to the
    * server.