| /* |
| * 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.opencord.cordconfig.access; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Information about an access agent. |
| */ |
| public class AccessAgentData { |
| |
| private static final String DEVICE_ID_MISSING = "Device ID cannot be null"; |
| private static final String OLT_INFO_MISSING = "OLT information cannot be null"; |
| private static final String AGENT_MAC_MISSING = "Agent mac cannot be null"; |
| private static final String VTN_MISSING = "VTN location cannot be null"; |
| |
| private static final int CHIP_PORT_RANGE_SIZE = 130; |
| |
| private final Map<ConnectPoint, MacAddress> oltMacInfo; |
| private final MacAddress agentMac; |
| private final Optional<ConnectPoint> vtnLocation; |
| private final DeviceId deviceId; |
| |
| // OLT chip information sorted by ascending MAC address |
| private final List<Pair<ConnectPoint, MacAddress>> sortedOltChips; |
| |
| /** |
| * Constructs an agent configuration for a given device. |
| * |
| * @param deviceId access device ID |
| * @param oltMacInfo a map of olt chips and their mac address |
| * @param agentMac the MAC address of the agent |
| * @param vtnLocation the location of the agent |
| */ |
| public AccessAgentData(DeviceId deviceId, Map<ConnectPoint, MacAddress> oltMacInfo, |
| MacAddress agentMac, Optional<ConnectPoint> vtnLocation) { |
| this.deviceId = checkNotNull(deviceId, DEVICE_ID_MISSING); |
| this.oltMacInfo = ImmutableMap.copyOf(checkNotNull(oltMacInfo, OLT_INFO_MISSING)); |
| this.agentMac = checkNotNull(agentMac, AGENT_MAC_MISSING); |
| this.vtnLocation = checkNotNull(vtnLocation, VTN_MISSING); |
| |
| this.sortedOltChips = oltMacInfo.entrySet().stream() |
| .sorted((e1, e2) -> Long.compare(e1.getValue().toLong(), e2.getValue().toLong())) |
| .map(e -> Pair.of(e.getKey(), e.getValue())) |
| .collect(Collectors.toList()); |
| } |
| |
| /** |
| * Retrieves the access device ID. |
| * |
| * @return device ID |
| */ |
| public DeviceId deviceId() { |
| return deviceId; |
| } |
| |
| /** |
| * Returns the mapping of OLT chips to MAC addresses. Each chip is |
| * symbolized by a connect point. |
| * |
| * @return a mapping of chips (as connect points) to MAC addresses |
| */ |
| public Map<ConnectPoint, MacAddress> getOltMacInfo() { |
| return oltMacInfo; |
| } |
| |
| /** |
| * Returns the agent's MAC address. |
| * |
| * @return a mac address |
| */ |
| public MacAddress getAgentMac() { |
| return agentMac; |
| } |
| |
| /** |
| * Returns the location of the agent. |
| * |
| * @return a connection point |
| */ |
| public Optional<ConnectPoint> getVtnLocation() { |
| return vtnLocation; |
| } |
| |
| /** |
| * Returns the point where the OLT is connected to the fabric given a |
| * connect point on the agent device. |
| * |
| * @param agentConnectPoint connect point on the agent device |
| * @return point were OLT is connected to fabric |
| */ |
| public Optional<ConnectPoint> getOltConnectPoint(ConnectPoint agentConnectPoint) { |
| int index = ((int) agentConnectPoint.port().toLong()) / CHIP_PORT_RANGE_SIZE; |
| |
| if (index >= sortedOltChips.size()) { |
| return Optional.empty(); |
| } |
| |
| return Optional.of(sortedOltChips.get(index).getKey()); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("oltMacInfo", oltMacInfo) |
| .add("agentMac", agentMac) |
| .add("vtnLocation", vtnLocation) |
| .add("deviceId", deviceId) |
| .toString(); |
| } |
| } |