| /* |
| * Copyright 2015-present 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.onosproject.net.Link; |
| import org.onosproject.net.link.LinkService; |
| import org.onosproject.ui.RequestHandler; |
| import org.onosproject.ui.UiMessageHandler; |
| import org.onosproject.ui.topo.BaseLink; |
| import org.onosproject.ui.topo.BaseLinkMap; |
| 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; |
| |
| /** |
| * Message handler for link view related messages. |
| */ |
| public class LinkViewMessageHandler extends UiMessageHandler { |
| |
| private static final String A_BOTH_B = "A ↔ B"; |
| private static final String A_SINGLE_B = "A → B"; |
| private static final String SLASH = " / "; |
| |
| 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 static final String NO_ROWS_MESSAGE = "No links found"; |
| |
| private LinkDataRequest() { |
| super(LINK_DATA_REQ, LINK_DATA_RESP, LINKS); |
| } |
| |
| @Override |
| protected String[] getColumnIds() { |
| return COL_IDS; |
| } |
| |
| @Override |
| protected String noRowsMessage(ObjectNode payload) { |
| return NO_ROWS_MESSAGE; |
| } |
| |
| @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); |
| BaseLinkMap linkMap = new BaseLinkMap(); |
| ls.getLinks().forEach(linkMap::add); |
| linkMap.biLinks().forEach(blink -> populateRow(tm.addRow(), blink)); |
| } |
| |
| private void populateRow(TableModel.Row row, BaseLink blink) { |
| row.cell(ONE, blink.one().src()) |
| .cell(TWO, blink.one().dst()) |
| .cell(TYPE, linkType(blink)) |
| .cell(STATE, linkState(blink)) |
| .cell(DIRECTION, linkDir(blink)) |
| .cell(DURABLE, blink.one().isDurable()); |
| } |
| |
| private String linkType(BaseLink link) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(link.one().type()); |
| if (link.two() != null && link.two().type() != link.one().type()) { |
| sb.append(SLASH).append(link.two().type()); |
| } |
| return sb.toString(); |
| } |
| |
| private String linkState(BaseLink link) { |
| if (link.one() == null || link.two() == null) { |
| return ICON_ID_OFFLINE; |
| } |
| |
| return (link.one().state() == Link.State.ACTIVE || |
| link.two().state() == Link.State.ACTIVE) ? |
| ICON_ID_ONLINE : ICON_ID_OFFLINE; |
| } |
| |
| private String linkDir(BaseLink link) { |
| return link.two() != null ? A_BOTH_B : A_SINGLE_B; |
| } |
| } |
| } |