| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * 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.ui.impl; |
| |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import org.joda.time.DateTime; |
| import org.joda.time.format.DateTimeFormat; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.NodeId; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| |
| /** |
| * Message handler for cluster view related messages. |
| */ |
| public class ClusterViewMessageHandler extends AbstractTabularViewMessageHandler { |
| |
| /** |
| * Creates a new message handler for the cluster messages. |
| */ |
| protected ClusterViewMessageHandler() { |
| super(ImmutableSet.of("clusterDataRequest")); |
| } |
| |
| @Override |
| public void process(ObjectNode message) { |
| ObjectNode payload = payload(message); |
| String sortCol = string(payload, "sortCol", "id"); |
| String sortDir = string(payload, "sortDir", "asc"); |
| |
| ClusterService service = get(ClusterService.class); |
| TableRow[] rows = generateTableRows(service); |
| RowComparator rc = |
| new RowComparator(sortCol, RowComparator.direction(sortDir)); |
| Arrays.sort(rows, rc); |
| ArrayNode clusterNodes = generateArrayNode(rows); |
| ObjectNode rootNode = mapper.createObjectNode(); |
| rootNode.set("clusters", clusterNodes); |
| |
| connection().sendMessage("clusterDataResponse", 0, rootNode); |
| } |
| |
| private TableRow[] generateTableRows(ClusterService service) { |
| List<TableRow> list = new ArrayList<>(); |
| for (ControllerNode node : service.getNodes()) { |
| list.add(new ControllerNodeTableRow(service, node)); |
| } |
| return list.toArray(new TableRow[list.size()]); |
| } |
| |
| /** |
| * TableRow implementation for {@link ControllerNode controller nodes}. |
| */ |
| private static class ControllerNodeTableRow extends AbstractTableRow { |
| |
| private static final String ID = "id"; |
| private static final String IP = "ip"; |
| private static final String TCP_PORT = "tcp"; |
| private static final String STATE_IID = "_iconid_state"; |
| private static final String UPDATED = "updated"; |
| |
| private static final String[] COL_IDS = { |
| ID, IP, TCP_PORT, STATE_IID, UPDATED |
| }; |
| |
| private static final String ICON_ID_ONLINE = "active"; |
| private static final String ICON_ID_OFFLINE = "inactive"; |
| |
| public ControllerNodeTableRow(ClusterService service, ControllerNode n) { |
| NodeId id = n.id(); |
| DateTime lastUpdated = service.getLastUpdated(id); |
| org.joda.time.format.DateTimeFormatter format = DateTimeFormat.longTime(); |
| String iconId = (service.getState(id) == ControllerNode.State.ACTIVE) ? |
| ICON_ID_ONLINE : ICON_ID_OFFLINE; |
| |
| add(ID, id.toString()); |
| add(IP, n.ip().toString()); |
| add(TCP_PORT, Integer.toString(n.tcpPort())); |
| add(STATE_IID, iconId); |
| add(UPDATED, format.print(lastUpdated)); |
| } |
| |
| @Override |
| protected String[] columnIds() { |
| return COL_IDS; |
| } |
| } |
| |
| } |