| /* |
| * 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 com.google.common.collect.Maps; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.LinkKey; |
| import org.onosproject.net.link.LinkService; |
| import org.onosproject.ui.RequestHandler; |
| import org.onosproject.ui.UiMessageHandler; |
| import org.onosproject.ui.impl.TopologyViewMessageHandlerBase.BiLink; |
| import org.onosproject.ui.table.TableModel; |
| import org.onosproject.ui.table.TableRequestHandler; |
| import org.onosproject.ui.table.cell.ConnectPointFormatter; |
| import org.onosproject.ui.table.cell.EnumFormatter; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| import static org.onosproject.ui.impl.TopologyViewMessageHandlerBase.addLink; |
| |
| /** |
| * Message handler for link view related messages. |
| */ |
| public class LinkViewMessageHandler extends UiMessageHandler { |
| |
| private static final String LINK_DATA_REQ = "linkDataRequest"; |
| private static final String LINK_DATA_RESP = "linkDataResponse"; |
| private static final String LINKS = "links"; |
| |
| private static final String ONE = "one"; |
| private static final String TWO = "two"; |
| private static final String TYPE = "type"; |
| private static final String STATE = "_iconid_state"; |
| private static final String DIRECTION = "direction"; |
| private static final String DURABLE = "durable"; |
| |
| private static final String[] COL_IDS = { |
| ONE, TWO, TYPE, STATE, DIRECTION, DURABLE |
| }; |
| |
| 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 LinkDataRequest()); |
| } |
| |
| // handler for link table requests |
| private final class LinkDataRequest extends TableRequestHandler { |
| private LinkDataRequest() { |
| super(LINK_DATA_REQ, LINK_DATA_RESP, LINKS); |
| } |
| |
| @Override |
| protected String[] getColumnIds() { |
| return COL_IDS; |
| } |
| |
| @Override |
| protected String defaultColumnId() { |
| return ONE; |
| } |
| |
| @Override |
| protected TableModel createTableModel() { |
| TableModel tm = super.createTableModel(); |
| tm.setFormatter(ONE, ConnectPointFormatter.INSTANCE); |
| tm.setFormatter(TWO, ConnectPointFormatter.INSTANCE); |
| tm.setFormatter(TYPE, EnumFormatter.INSTANCE); |
| return tm; |
| } |
| |
| @Override |
| protected void populateTable(TableModel tm, ObjectNode payload) { |
| LinkService ls = get(LinkService.class); |
| |
| // First consolidate all uni-directional links into two-directional ones. |
| Map<LinkKey, BiLink> biLinks = Maps.newHashMap(); |
| ls.getLinks().forEach(link -> addLink(biLinks, link)); |
| |
| // Now scan over all bi-links and produce table rows from them. |
| biLinks.values().forEach(biLink -> populateRow(tm.addRow(), biLink)); |
| } |
| |
| private void populateRow(TableModel.Row row, BiLink biLink) { |
| row.cell(ONE, biLink.one.src()) |
| .cell(TWO, biLink.one.dst()) |
| .cell(TYPE, linkType(biLink)) |
| .cell(STATE, linkState(biLink)) |
| .cell(DIRECTION, linkDir(biLink)) |
| .cell(DURABLE, biLink.one.isDurable()); |
| } |
| |
| private String linkType(BiLink link) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(link.one.type()); |
| if (link.two != null && link.two.type() != link.one.type()) { |
| sb.append(" / ").append(link.two.type()); |
| } |
| return sb.toString(); |
| } |
| |
| private String linkState(BiLink link) { |
| return (link.one.state() == Link.State.ACTIVE || |
| link.two.state() == Link.State.ACTIVE) ? |
| ICON_ID_ONLINE : ICON_ID_OFFLINE; |
| } |
| |
| private String linkDir(BiLink link) { |
| return link.two != null ? "A ↔ B" : "A → B"; |
| } |
| } |
| } |