dbus: Add Reconnect command to D-Bus Interface

This has same behavior as the ctrl_iface RECONNECT command.

Signed-off-by: Mayank Haarit <mayank.h@samsung.com>
Signed-off-by: Purushottam Kushwaha <p.kushwaha@samsung.com>

doc/dbus.doxygen

@@ -306,6 +306,16 @@ fi.w1.wpa_supplicant1.CreateInterface.
 	</dl>
       </li>
 
+      <li>
+	<h3>Reconnect ( ) --> nothing</h3>
+	<p>Attempt reconnection and connect if in disconnected state.</p>
+	<h4>Possible errors</h4>
+	<dl>
+	  <dt>fi.w1.wpa_supplicant1.InterfaceDisabled</dt>
+	  <dd>The interface is disabled.</dd>
+	</dl>
+      </li>
+
       <li>
 	<h3>AddBlob ( s : name, ay : data ) --> nothing</h3>
 	<p>Adds a blob to the interface.</p>

wpa_supplicant/dbus/dbus_new.c

@@ -2552,6 +2552,12 @@ static const struct wpa_dbus_method_desc wpas_dbus_interface_methods[] = {
 		  END_ARGS
 	  }
 	},
+	{ "Reconnect", WPAS_DBUS_NEW_IFACE_INTERFACE,
+	  (WPADBusMethodHandler) wpas_dbus_handler_reconnect,
+	  {
+		  END_ARGS
+	  }
+	},
 	{ "RemoveNetwork", WPAS_DBUS_NEW_IFACE_INTERFACE,
 	  (WPADBusMethodHandler) wpas_dbus_handler_remove_network,
 	  {

wpa_supplicant/dbus/dbus_new_handlers.c

@@ -1600,6 +1600,30 @@ DBusMessage * wpas_dbus_handler_reattach(DBusMessage *message,
 }
 
 
+/**
+ * wpas_dbus_handler_reconnect - Reconnect if disconnected
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: InterfaceDisabled DBus error message if disabled
+ * or NULL otherwise.
+ *
+ * Handler function for "Reconnect" method call of network interface.
+ */
+DBusMessage * wpas_dbus_handler_reconnect(DBusMessage *message,
+		struct wpa_supplicant *wpa_s)
+{
+	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
+		return dbus_message_new_error(message,
+					      WPAS_DBUS_ERROR_IFACE_DISABLED,
+					      "This interface is disabled");
+	}
+
+	if (wpa_s->disconnected)
+		wpas_request_connection(wpa_s);
+	return NULL;
+}
+
+
 /**
  * wpas_dbus_handler_remove_network - Remove a configured network
  * @message: Pointer to incoming dbus message

wpa_supplicant/dbus/dbus_new_handlers.h

@@ -107,6 +107,9 @@ DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
 DBusMessage * wpas_dbus_handler_reattach(DBusMessage *message,
 					 struct wpa_supplicant *wpa_s);
 
+DBusMessage * wpas_dbus_handler_reconnect(DBusMessage *message,
+					  struct wpa_supplicant *wpa_s);
+
 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
 					       struct wpa_supplicant *wpa_s);