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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.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.ImmutableSet;
import org.onosproject.mastership.MastershipService;
import org.onosproject.net.AnnotationKeys;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Link;
import org.onosproject.net.Port;
import org.onosproject.net.config.NetworkConfigService;
import org.onosproject.net.config.basics.BasicDeviceConfig;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.link.LinkService;
import org.onosproject.ui.RequestHandler;
import org.onosproject.ui.UiMessageHandler;
import org.onosproject.ui.table.TableModel;
import org.onosproject.ui.table.TableRequestHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import static com.google.common.base.Strings.emptyToNull;
import static com.google.common.base.Strings.isNullOrEmpty;
import static org.apache.commons.lang.WordUtils.capitalizeFully;
import static org.onosproject.net.DeviceId.deviceId;
/**
* Message handler for device view related messages.
*/
public class DeviceViewMessageHandler extends UiMessageHandler {
private static final String DEV_DATA_REQ = "deviceDataRequest";
private static final String DEV_DATA_RESP = "deviceDataResponse";
private static final String DEVICES = "devices";
private static final String DEV_DETAILS_REQ = "deviceDetailsRequest";
private static final String DEV_DETAILS_RESP = "deviceDetailsResponse";
private static final String DETAILS = "details";
private static final String DEV_NAME_CHANGE_REQ = "deviceNameChangeRequest";
private static final String DEV_NAME_CHANGE_RESP = "deviceNameChangeResponse";
private static final String ZERO_URI = "of:0000000000000000";
private static final String ID = "id";
private static final String TYPE = "type";
private static final String AVAILABLE = "available";
private static final String AVAILABLE_IID = "_iconid_available";
private static final String TYPE_IID = "_iconid_type";
private static final String DEV_ICON_PREFIX = "devIcon_";
private static final String NUM_PORTS = "num_ports";
private static final String LINK_DEST = "elinks_dest";
private static final String MFR = "mfr";
private static final String HW = "hw";
private static final String SW = "sw";
private static final String PROTOCOL = "protocol";
private static final String MASTER_ID = "masterid";
private static final String CHASSIS_ID = "chassisid";
private static final String SERIAL = "serial";
private static final String PORTS = "ports";
private static final String ENABLED = "enabled";
private static final String SPEED = "speed";
private static final String NAME = "name";
private static final String WARN = "warn";
private static final String[] COL_IDS = {
AVAILABLE, AVAILABLE_IID, TYPE_IID,
NAME, ID, MASTER_ID, NUM_PORTS, MFR, HW, SW,
PROTOCOL, CHASSIS_ID, SERIAL
};
private static final String ICON_ID_ONLINE = "active";
private static final String ICON_ID_OFFLINE = "inactive";
private final Logger log = LoggerFactory.getLogger(getClass());
@Override
protected Collection<RequestHandler> createRequestHandlers() {
return ImmutableSet.of(
new DataRequestHandler(),
new NameChangeHandler(),
new DetailRequestHandler()
);
}
// Get friendly name of the device from the annotations
private static String deviceName(Device device) {
String name = device.annotations().value(AnnotationKeys.NAME);
return isNullOrEmpty(name) ? device.id().toString() : name;
}
private static String deviceProtocol(Device device) {
String protocol = device.annotations().value(PROTOCOL);
return protocol != null ? protocol : "";
}
private static String getTypeIconId(Device d) {
return DEV_ICON_PREFIX + d.type().toString();
}
// handler for device table requests
private final class DataRequestHandler extends TableRequestHandler {
private DataRequestHandler() {
super(DEV_DATA_REQ, DEV_DATA_RESP, DEVICES);
}
@Override
protected String[] getColumnIds() {
return COL_IDS;
}
@Override
protected void populateTable(TableModel tm, ObjectNode payload) {
DeviceService ds = get(DeviceService.class);
MastershipService ms = get(MastershipService.class);
for (Device dev : ds.getDevices()) {
populateRow(tm.addRow(), dev, ds, ms);
}
}
private void populateRow(TableModel.Row row, Device dev,
DeviceService ds, MastershipService ms) {
DeviceId id = dev.id();
boolean available = ds.isAvailable(id);
String iconId = available ? ICON_ID_ONLINE : ICON_ID_OFFLINE;
row.cell(ID, id)
.cell(NAME, deviceName(dev))
.cell(AVAILABLE, available)
.cell(AVAILABLE_IID, iconId)
.cell(TYPE_IID, getTypeIconId(dev))
.cell(MFR, dev.manufacturer())
.cell(HW, dev.hwVersion())
.cell(SW, dev.swVersion())
.cell(PROTOCOL, deviceProtocol(dev))
.cell(NUM_PORTS, ds.getPorts(id).size())
.cell(MASTER_ID, ms.getMasterFor(id));
}
}
// handler for selected device detail requests
private final class DetailRequestHandler extends RequestHandler {
private DetailRequestHandler() {
super(DEV_DETAILS_REQ);
}
@Override
public void process(long sid, ObjectNode payload) {
String id = string(payload, ID, ZERO_URI);
DeviceId deviceId = deviceId(id);
DeviceService service = get(DeviceService.class);
MastershipService ms = get(MastershipService.class);
Device device = service.getDevice(deviceId);
ObjectNode data = objectNode();
data.put(ID, deviceId.toString());
data.put(NAME, deviceName(device));
data.put(TYPE, capitalizeFully(device.type().toString()));
data.put(TYPE_IID, getTypeIconId(device));
data.put(MFR, device.manufacturer());
data.put(HW, device.hwVersion());
data.put(SW, device.swVersion());
data.put(SERIAL, device.serialNumber());
data.put(CHASSIS_ID, device.chassisId().toString());
data.put(MASTER_ID, ms.getMasterFor(deviceId).toString());
data.put(PROTOCOL, deviceProtocol(device));
ArrayNode ports = arrayNode();
List<Port> portList = new ArrayList<>(service.getPorts(deviceId));
Collections.sort(portList, (p1, p2) -> {
long delta = p1.number().toLong() - p2.number().toLong();
return delta == 0 ? 0 : (delta < 0 ? -1 : +1);
});
for (Port p : portList) {
ports.add(portData(p, deviceId));
}
data.set(PORTS, ports);
ObjectNode rootNode = objectNode();
rootNode.set(DETAILS, data);
sendMessage(DEV_DETAILS_RESP, 0, rootNode);
}
private ObjectNode portData(Port p, DeviceId id) {
ObjectNode port = objectNode();
LinkService ls = get(LinkService.class);
String name = p.annotations().value(AnnotationKeys.PORT_NAME);
port.put(ID, capitalizeFully(p.number().toString()));
port.put(TYPE, capitalizeFully(p.type().toString()));
port.put(SPEED, p.portSpeed());
port.put(ENABLED, p.isEnabled());
port.put(NAME, name != null ? name : "");
Set<Link> links = ls.getEgressLinks(new ConnectPoint(id, p.number()));
if (!links.isEmpty()) {
StringBuilder egressLinks = new StringBuilder();
for (Link l : links) {
ConnectPoint dest = l.dst();
egressLinks.append(dest.elementId()).append("/")
.append(dest.port()).append(" ");
}
port.put(LINK_DEST, egressLinks.toString());
}
return port;
}
}
// handler for changing device friendly name
private final class NameChangeHandler extends RequestHandler {
private NameChangeHandler() {
super(DEV_NAME_CHANGE_REQ);
}
@Override
public void process(long sid, ObjectNode payload) {
DeviceId deviceId = deviceId(string(payload, ID, ZERO_URI));
String name = emptyToNull(string(payload, NAME, null));
log.debug("Name change request: {} -- '{}'", deviceId, name);
NetworkConfigService service = get(NetworkConfigService.class);
BasicDeviceConfig cfg =
service.addConfig(deviceId, BasicDeviceConfig.class);
// Name attribute missing from the payload (or empty string)
// means that the friendly name should be unset.
cfg.name(name);
cfg.apply();
sendMessage(DEV_NAME_CHANGE_RESP, 0, payload);
}
}
}
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