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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.driver.ovsdb;
import com.google.common.collect.ImmutableSet;
import org.onlab.packet.IpAddress;
import org.onlab.packet.TpPort;
import org.onosproject.net.AnnotationKeys;
import org.onosproject.net.DeviceId;
import org.onosproject.net.behaviour.ControllerConfig;
import org.onosproject.net.behaviour.ControllerInfo;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.driver.AbstractHandlerBehaviour;
import org.onosproject.net.driver.DriverHandler;
import org.onosproject.ovsdb.controller.OvsdbBridge;
import org.onosproject.ovsdb.controller.OvsdbClientService;
import org.onosproject.ovsdb.controller.OvsdbController;
import org.onosproject.ovsdb.controller.OvsdbNodeId;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static com.google.common.base.Preconditions.checkState;
import static org.onlab.util.Tools.delay;
/**
* Implementation of controller config which allows to get and set controllers.
*/
public class OvsdbControllerConfig extends AbstractHandlerBehaviour implements ControllerConfig {
@Override
public List<ControllerInfo> getControllers() {
DriverHandler handler = handler();
OvsdbClientService clientService = getOvsdbClientService(handler);
Set<ControllerInfo> controllers = clientService.getControllers(
handler().data().deviceId());
return new ArrayList<>(controllers);
}
@Override
public void setControllers(List<ControllerInfo> controllers) {
DriverHandler handler = handler();
OvsdbClientService clientService = getOvsdbClientService(handler);
if (!clientService.getControllers(handler().data().deviceId())
.equals(ImmutableSet.copyOf(controllers))) {
clientService.setControllersWithDeviceId(handler().
data().deviceId(), controllers);
}
}
// Used for getting OvsdbClientService.
private OvsdbClientService getOvsdbClientService(DriverHandler handler) {
OvsdbController ovsController = handler.get(OvsdbController.class);
DeviceService deviceService = handler.get(DeviceService.class);
DeviceId ofDeviceId = handler.data().deviceId();
String[] mgmtAddress = deviceService.getDevice(ofDeviceId)
.annotations().value(AnnotationKeys.MANAGEMENT_ADDRESS).split(":");
String targetIp = mgmtAddress[0];
TpPort targetPort = null;
if (mgmtAddress.length > 1) {
targetPort = TpPort.tpPort(Integer.parseInt(mgmtAddress[1]));
}
List<OvsdbNodeId> nodeIds = ovsController.getNodeIds().stream()
.filter(nodeId -> nodeId.getIpAddress().equals(targetIp))
.collect(Collectors.toList());
if (nodeIds.size() == 0) {
//TODO decide what port?
ovsController.connect(IpAddress.valueOf(targetIp),
targetPort == null ? TpPort.tpPort(6640) : targetPort);
delay(1000); //FIXME... connect is async
}
List<OvsdbClientService> clientServices = ovsController.getNodeIds().stream()
.filter(nodeId -> nodeId.getIpAddress().equals(targetIp))
.map(ovsController::getOvsdbClient)
.filter(cs -> cs.getBridges().stream().anyMatch(b -> dpidMatches(b, ofDeviceId)))
.collect(Collectors.toList());
checkState(clientServices.size() > 0, "No clientServices found");
//FIXME add connection to management address if null --> done ?
return clientServices.size() > 0 ? clientServices.get(0) : null;
}
private static boolean dpidMatches(OvsdbBridge bridge, DeviceId deviceId) {
String bridgeDpid = "of:" + bridge.datapathId().value();
String ofDpid = deviceId.toString();
return bridgeDpid.equals(ofDpid);
}
}
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