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/*
* 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.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 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);
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) {
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;
}
}
}
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