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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.vtn.util;
import java.util.ArrayList;
import java.util.Collection;
import org.onosproject.net.AnnotationKeys;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Port;
import org.onosproject.net.PortNumber;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.Sets;
/**
* VtnData utility class.
*/
public final class VtnData {
private static final Logger log = LoggerFactory.getLogger(VtnData.class);
private static final String SWITCH_CHANNEL_ID = "channelId";
private static final String PORT_HEAD = "vxlan";
/**
* Constructs a VtnData object. Utility classes should not have a public or
* default constructor, otherwise IDE will compile unsuccessfully. This
* class should not be instantiated.
*/
private VtnData() {
}
/**
* Get the ControllerIp from the device .
*
* @param device Device
* @return Controller Ip
*/
public static String getControllerIpOfSwitch(Device device) {
String url = device.annotations().value(SWITCH_CHANNEL_ID);
return url.substring(0, url.lastIndexOf(":"));
}
/**
* Get the ControllerId from the device .
*
* @param device Device
* @param devices Devices
* @return Controller Id
*/
public static DeviceId getControllerId(Device device,
Iterable<Device> devices) {
for (Device d : devices) {
if (d.type() == Device.Type.CONTROLLER && d.id().toString()
.contains(getControllerIpOfSwitch(device))) {
return d.id();
}
}
log.info("Can not find controller for device : {}", device.id());
return null;
}
/**
* Get local tunnel ports.
*
* @param ports Iterable of Port
* @return Collection of PortNumber
*/
public static Collection<PortNumber> getLocalTunnelPorts(Iterable<Port> ports) {
Collection<PortNumber> localTunnelPorts = new ArrayList<>();
Sets.newHashSet(ports).stream()
.filter(p -> !p.number().equals(PortNumber.LOCAL))
.forEach(p -> {
if (p.annotations().value(AnnotationKeys.PORT_NAME)
.startsWith(PORT_HEAD)) {
localTunnelPorts.add(p.number());
}
});
return localTunnelPorts;
}
}
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