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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.provider.netconf.device.impl;
import com.google.common.base.Preconditions;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.onlab.packet.ChassisId;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.incubator.net.config.basics.ConfigException;
import org.onosproject.net.DefaultAnnotations;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.MastershipRole;
import org.onosproject.net.SparseAnnotations;
import org.onosproject.net.config.ConfigFactory;
import org.onosproject.net.config.NetworkConfigEvent;
import org.onosproject.net.config.NetworkConfigListener;
import org.onosproject.net.config.NetworkConfigRegistry;
import org.onosproject.net.device.DefaultDeviceDescription;
import org.onosproject.net.device.DeviceDescription;
import org.onosproject.net.device.DeviceProvider;
import org.onosproject.net.device.DeviceProviderRegistry;
import org.onosproject.net.device.DeviceProviderService;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.provider.AbstractProvider;
import org.onosproject.net.provider.ProviderId;
import org.onosproject.netconf.NetconfController;
import org.onosproject.netconf.NetconfDevice;
import org.onosproject.netconf.NetconfDeviceInfo;
import org.onosproject.netconf.NetconfDeviceListener;
import org.slf4j.Logger;
import java.util.Map;
import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Provider which uses an NETCONF controller to detect device.
*/
@Component(immediate = true)
public class NetconfDeviceProvider extends AbstractProvider
implements DeviceProvider {
private final Logger log = getLogger(getClass());
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected DeviceProviderRegistry providerRegistry;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected DeviceService deviceService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected NetconfController controller; //where is initiated ?
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected NetworkConfigRegistry cfgService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected CoreService coreService;
private DeviceProviderService providerService;
private NetconfDeviceListener innerNodeListener = new InnerNetconfDeviceListener();
protected static final String ISNOTNULL = "NetconfDeviceInfo is not null";
private static final String UNKNOWN = "unknown";
private final ConfigFactory factory =
new ConfigFactory<ApplicationId, NetconfProviderConfig>(APP_SUBJECT_FACTORY,
NetconfProviderConfig.class,
"devices",
true) {
@Override
public NetconfProviderConfig createConfig() {
return new NetconfProviderConfig();
}
};
private final NetworkConfigListener cfgLister = new InternalNetworkConfigListener();
private ApplicationId appId;
@Activate
public void activate() {
providerService = providerRegistry.register(this);
cfgService.registerConfigFactory(factory);
cfgService.addListener(cfgLister);
controller.addDeviceListener(innerNodeListener);
connectExistingDevices();
log.info("Started");
}
@Deactivate
public void deactivate() {
providerRegistry.unregister(this);
providerService = null;
cfgService.unregisterConfigFactory(factory);
log.info("Stopped");
}
public NetconfDeviceProvider() {
super(new ProviderId("netconf", "org.onosproject.netconf.provider.device"));
}
@Override
public void triggerProbe(DeviceId deviceId) {
// TODO: This will be implemented later.
log.info("Triggering probe on device {}", deviceId);
}
@Override
public void roleChanged(DeviceId deviceId, MastershipRole newRole) {
// TODO: This will be implemented later.
}
@Override
public boolean isReachable(DeviceId deviceId) {
Map<DeviceId, NetconfDevice> devices = controller.getDevicesMap();
NetconfDevice netconfDevice = null;
for (DeviceId key : devices.keySet()) {
if (key.equals(deviceId)) {
netconfDevice = controller.getDevicesMap().get(key);
}
}
if (netconfDevice == null) {
log.warn("BAD REQUEST: the requested device id: "
+ deviceId.toString()
+ " is not associated to any NETCONF Device");
return false;
}
return netconfDevice.isActive();
}
private class InnerNetconfDeviceListener implements NetconfDeviceListener {
@Override
public void deviceAdded(NetconfDeviceInfo nodeId) {
Preconditions.checkNotNull(nodeId, ISNOTNULL);
DeviceId deviceId = nodeId.getDeviceId();
//TODO filter for not netconf devices
//Netconf configuration object
ChassisId cid = new ChassisId();
String ipAddress = nodeId.ip().toString();
SparseAnnotations annotations = DefaultAnnotations.builder()
.set("ipaddress", ipAddress).build();
DeviceDescription deviceDescription = new DefaultDeviceDescription(
deviceId.uri(),
Device.Type.SWITCH,
UNKNOWN, UNKNOWN,
UNKNOWN, UNKNOWN,
cid,
annotations);
providerService.deviceConnected(deviceId, deviceDescription);
}
@Override
public void deviceRemoved(NetconfDeviceInfo nodeId) {
Preconditions.checkNotNull(nodeId, ISNOTNULL);
DeviceId deviceId = nodeId.getDeviceId();
providerService.deviceDisconnected(deviceId);
}
}
private void connectExistingDevices() {
//TODO consolidate
appId = coreService.registerApplication("org.onosproject.netconf");
connectDevices();
}
private void connectDevices() {
NetconfProviderConfig cfg = cfgService.getConfig(appId, NetconfProviderConfig.class);
if (cfg != null) {
log.info("cfg {}", cfg);
try {
cfg.getDevicesAddresses().stream().forEach(addr -> controller
.connectDevice(new NetconfDeviceInfo(addr.name(),
addr.password(),
addr.ip(),
addr.port())));
} catch (ConfigException e) {
log.error("Cannot read config error " + e);
}
}
}
private class InternalNetworkConfigListener implements NetworkConfigListener {
@Override
public void event(NetworkConfigEvent event) {
connectDevices();
}
@Override
public boolean isRelevant(NetworkConfigEvent event) {
//TODO refactor
return event.configClass().equals(NetconfProviderConfig.class) &&
(event.type() == NetworkConfigEvent.Type.CONFIG_ADDED ||
event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED);
}
}
}
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