| /* |
| * 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.net.resource.impl; |
| |
| 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.apache.felix.scr.annotations.Service; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentId; |
| import org.onosproject.net.intent.OpticalConnectivityIntent; |
| import org.onosproject.net.resource.device.DeviceResourceService; |
| import org.onosproject.net.resource.device.DeviceResourceStore; |
| import org.slf4j.Logger; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provides basic implementation of device resources allocation. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class DeviceResourceManager implements DeviceResourceService { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| private DeviceResourceStore store; |
| |
| @Activate |
| public void activate() { |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public Set<Port> requestPorts(Intent intent) { |
| checkNotNull(intent); |
| if (intent instanceof OpticalConnectivityIntent) { |
| OpticalConnectivityIntent opticalIntent = (OpticalConnectivityIntent) intent; |
| Set<Port> srcPorts = store.getFreePorts(opticalIntent.getSrc().deviceId()); |
| Set<Port> dstPorts = store.getFreePorts(opticalIntent.getDst().deviceId()); |
| |
| Port srcPort = getTypedPort(srcPorts, Port.Type.OCH); |
| Port dstPort = getTypedPort(dstPorts, Port.Type.OCH); |
| |
| if (srcPort == null || dstPort == null) { |
| return null; |
| } |
| |
| Set<Port> allocPorts = new HashSet(Arrays.asList(srcPort, dstPort)); |
| |
| store.allocatePorts(allocPorts, intent.id()); |
| |
| return allocPorts; |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public void releasePorts(IntentId intentId) { |
| store.releasePorts(intentId); |
| } |
| |
| private Port getTypedPort(Set<Port> ports, Port.Type type) { |
| for (Port port : ports) { |
| if (port.type() == type) { |
| return port; |
| } |
| } |
| |
| return null; |
| } |
| } |