login and vhost can now be fetched from the connection class

include/connection.h

@@ -58,6 +58,24 @@ public:
      *  Destructor
      */
     virtual ~Connection() {}
+    
+    /**
+     *  Retrieve the login data
+     *  @return Login
+     */
+    const Login &login() const
+    {
+        return _implementation.login();
+    }
+
+    /**
+     *  Retrieve the vhost
+     *  @return string
+     */
+    const std::string &vhost() const
+    {
+        return _implemention.vhost();
+    }
 
     /**
      *  Parse data that was recevied from RabbitMQ

include/connectionimpl.h

@@ -145,7 +145,7 @@ public:
      *  Are we fully connected?
      *  @return bool
      */
-    bool connected()
+    bool connected() const
     {
         // state must be connected
         return _state == state_connected;
@@ -160,7 +160,7 @@ public:
      *  Retrieve the login data
      *  @return Login
      */
-    Login &login()
+    const Login &login() const
     {
         return _login;
     }
@@ -169,7 +169,7 @@ public:
      *  Retrieve the vhost
      *  @return string
      */
-    std::string &vhost()
+    const std::string &vhost() const
     {
         return _vhost;
     }