| /* |
| * 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.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import org.joda.time.DateTime; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.ui.RequestHandler; |
| import org.onosproject.ui.UiMessageHandler; |
| import org.onosproject.ui.table.TableModel; |
| import org.onosproject.ui.table.TableRequestHandler; |
| import org.onosproject.ui.table.cell.TimeFormatter; |
| |
| import java.util.Collection; |
| |
| |
| /** |
| * Message handler for cluster view related messages. |
| */ |
| public class ClusterViewMessageHandler extends UiMessageHandler { |
| |
| private static final String CLUSTER_DATA_REQ = "clusterDataRequest"; |
| private static final String CLUSTER_DATA_RESP = "clusterDataResponse"; |
| private static final String CLUSTERS = "clusters"; |
| |
| 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"; |
| |
| @Override |
| protected Collection<RequestHandler> createRequestHandlers() { |
| return ImmutableSet.of(new ClusterDataRequest()); |
| } |
| |
| // handler for cluster table requests |
| private final class ClusterDataRequest extends TableRequestHandler { |
| private static final String NO_ROWS_MESSAGE = "No cluster nodes found"; |
| |
| private ClusterDataRequest() { |
| super(CLUSTER_DATA_REQ, CLUSTER_DATA_RESP, CLUSTERS); |
| } |
| |
| @Override |
| protected String[] getColumnIds() { |
| return COL_IDS; |
| } |
| |
| @Override |
| protected String noRowsMessage(ObjectNode payload) { |
| return NO_ROWS_MESSAGE; |
| } |
| |
| @Override |
| protected TableModel createTableModel() { |
| TableModel tm = super.createTableModel(); |
| tm.setFormatter(UPDATED, new TimeFormatter()); |
| return tm; |
| } |
| |
| @Override |
| protected void populateTable(TableModel tm, ObjectNode payload) { |
| ClusterService cs = get(ClusterService.class); |
| for (ControllerNode node : cs.getNodes()) { |
| populateRow(tm.addRow(), node, cs); |
| } |
| } |
| |
| private void populateRow(TableModel.Row row, ControllerNode node, |
| ClusterService cs) { |
| NodeId id = node.id(); |
| DateTime lastUpdated = cs.getLastUpdated(id); |
| String iconId = (cs.getState(id) == ControllerNode.State.ACTIVE) ? |
| ICON_ID_ONLINE : ICON_ID_OFFLINE; |
| |
| row.cell(ID, id) |
| .cell(IP, node.ip()) |
| .cell(TCP_PORT, node.tcpPort()) |
| .cell(STATE_IID, iconId) |
| .cell(UPDATED, lastUpdated); |
| } |
| } |
| } |