[ONOS-7627] Support the creation of sr-iov port type for LiquidIO smart NIC
Change-Id: I6d55d1dfd26ec6ed0b9df9fdeea31749b0c49b7c
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/util/OpenstackNodeUtil.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/util/OpenstackNodeUtil.java
new file mode 100644
index 0000000..79526e6
--- /dev/null
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/util/OpenstackNodeUtil.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknode.util;
+
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.openstacknode.api.OpenstackNode;
+import org.onosproject.ovsdb.controller.OvsdbClientService;
+import org.onosproject.ovsdb.controller.OvsdbController;
+import org.onosproject.ovsdb.controller.OvsdbNodeId;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * An utility that used in openstack node app.
+ */
+public final class OpenstackNodeUtil {
+ protected static final Logger log = LoggerFactory.getLogger(OpenstackNodeUtil.class);
+
+ /**
+ * Prevents object instantiation from external.
+ */
+ private OpenstackNodeUtil() {
+ }
+
+ /**
+ * Checks whether the controller has a connection with an OVSDB that resides
+ * inside the given openstack node.
+ *
+ * @param osNode openstack node
+ * @param ovsdbPort ovsdb port
+ * @param ovsdbController ovsdb controller
+ * @param deviceService device service
+ * @return true if the controller is connected to the OVSDB, false otherwise
+ */
+ public static boolean isOvsdbConnected(OpenstackNode osNode,
+ int ovsdbPort,
+ OvsdbController ovsdbController,
+ DeviceService deviceService) {
+ OvsdbNodeId ovsdb = new OvsdbNodeId(osNode.managementIp(), ovsdbPort);
+ OvsdbClientService client = ovsdbController.getOvsdbClient(ovsdb);
+ return deviceService.isAvailable(osNode.ovsdb()) &&
+ client != null &&
+ client.isConnected();
+ }
+}