| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.segmentrouting.config; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.config.Config; |
| import org.onosproject.segmentrouting.storekey.XConnectStoreKey; |
| |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Configuration object for cross-connect. |
| */ |
| public class XConnectConfig extends Config<ApplicationId> { |
| private static final String VLAN = "vlan"; |
| private static final String PORTS = "ports"; |
| private static final String NAME = "name"; // dummy field for naming |
| |
| private static final String UNEXPECTED_FIELD_NAME = "Unexpected field name"; |
| |
| @Override |
| public boolean isValid() { |
| try { |
| getXconnects().forEach(this::getPorts); |
| } catch (IllegalArgumentException e) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Returns all xconnect keys. |
| * |
| * @return all keys (device/vlan pairs) |
| * @throws IllegalArgumentException if wrong format |
| */ |
| public Set<XConnectStoreKey> getXconnects() { |
| ImmutableSet.Builder<XConnectStoreKey> builder = ImmutableSet.builder(); |
| object.fields().forEachRemaining(entry -> { |
| DeviceId deviceId = DeviceId.deviceId(entry.getKey()); |
| builder.addAll(getXconnects(deviceId)); |
| }); |
| return builder.build(); |
| } |
| |
| /** |
| * Returns xconnect keys of given device. |
| * |
| * @param deviceId ID of the device from which we want to get XConnect info |
| * @return xconnect keys (device/vlan pairs) of given device |
| * @throws IllegalArgumentException if wrong format |
| */ |
| public Set<XConnectStoreKey> getXconnects(DeviceId deviceId) { |
| ImmutableSet.Builder<XConnectStoreKey> builder = ImmutableSet.builder(); |
| JsonNode vlanPortPair = object.get(deviceId.toString()); |
| if (vlanPortPair != null) { |
| vlanPortPair.forEach(jsonNode -> { |
| if (!hasOnlyFields((ObjectNode) jsonNode, VLAN, PORTS, NAME)) { |
| throw new IllegalArgumentException(UNEXPECTED_FIELD_NAME); |
| } |
| VlanId vlanId = VlanId.vlanId((short) jsonNode.get(VLAN).asInt()); |
| builder.add(new XConnectStoreKey(deviceId, vlanId)); |
| }); |
| } |
| return builder.build(); |
| } |
| |
| /** |
| * Returns ports of given xconnect key. |
| * |
| * @param xconnect xconnect key |
| * @return set of two ports associated with given xconnect key |
| * @throws IllegalArgumentException if wrong format |
| */ |
| public Set<PortNumber> getPorts(XConnectStoreKey xconnect) { |
| ImmutableSet.Builder<PortNumber> builder = ImmutableSet.builder(); |
| object.get(xconnect.deviceId().toString()).forEach(vlanPortsPair -> { |
| if (xconnect.vlanId().toShort() == vlanPortsPair.get(VLAN).asInt()) { |
| int portCount = vlanPortsPair.get(PORTS).size(); |
| checkArgument(portCount == 2, |
| "Expect 2 ports but found " + portCount + " on " + xconnect); |
| vlanPortsPair.get(PORTS).forEach(portNode -> { |
| builder.add(PortNumber.portNumber(portNode.asInt())); |
| }); |
| } |
| }); |
| return builder.build(); |
| } |
| } |