| /* |
| * Copyright 2015-present 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; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import java.util.Arrays; |
| import java.util.Objects; |
| |
| import org.onlab.util.HexString; |
| |
| import com.google.common.base.MoreObjects; |
| /** |
| * Implementation of ODU Signal ID. |
| * |
| * <p> |
| * See ITU G.709 "Interfaces for the Optical Transport Network (OTN)". |
| * </p> |
| */ |
| public class OduSignalId { |
| |
| private final int tributaryPortNumber; // Tributary Port number |
| private final int tributarySlotLength; // Number of Tributary Slots included in tsmap |
| private final byte[] tributarySlotBitmap; // Tributary slot bitmap |
| |
| public static final int TRIBUTARY_SLOT_BITMAP_SIZE = 10; |
| |
| /** |
| * Creates an instance with the specified arguments. |
| * |
| * @param tributaryPortNumber tributary port number |
| * @param tributarySlotLen tributary slot len |
| * @param tributarySlotBitmap tributary slot bitmap |
| */ |
| public OduSignalId(int tributaryPortNumber, int tributarySlotLen, |
| byte[] tributarySlotBitmap) { |
| |
| checkArgument(tributaryPortNumber <= 80, |
| "tributaryPortNumber %s must be <= 80 ", |
| tributaryPortNumber); |
| |
| checkArgument(tributarySlotBitmap.length == TRIBUTARY_SLOT_BITMAP_SIZE, |
| "number of elements in list " + HexString.toHexString(tributarySlotBitmap) |
| + " must be equal to " + TRIBUTARY_SLOT_BITMAP_SIZE); |
| |
| checkArgument(tributarySlotLen <= 80, |
| "tributarySlotLen %s must be <= 80 ", |
| tributarySlotLen); |
| |
| this.tributaryPortNumber = tributaryPortNumber; |
| this.tributarySlotLength = tributarySlotLen; |
| this.tributarySlotBitmap = Arrays.copyOf(tributarySlotBitmap, tributarySlotBitmap.length); |
| } |
| |
| /** |
| * Returns the OduSignalId representing the specified parameters. |
| * |
| * @param tributaryPortNumber tributary port number |
| * @param tributarySlotLen tributary slot len |
| * @param tributarySlotBitmap tributary slot bitmap |
| * @return OduSignalId |
| */ |
| public static OduSignalId oduSignalId(int tributaryPortNumber, int tributarySlotLen, |
| byte[] tributarySlotBitmap) { |
| return new OduSignalId(tributaryPortNumber, tributarySlotLen, tributarySlotBitmap); |
| } |
| |
| |
| /** |
| * Returns tributary port number. |
| * |
| * @return the tributaryPortNumber |
| */ |
| public int tributaryPortNumber() { |
| return tributaryPortNumber; |
| } |
| |
| /** |
| * Returns tributary slot length. |
| * |
| * @return the tributarySlotLen |
| */ |
| public int tributarySlotLength() { |
| return tributarySlotLength; |
| } |
| |
| /** |
| * Returns tributary slot bitmap. |
| * |
| * @return the tributarySlotBitmap |
| */ |
| public byte[] tributarySlotBitmap() { |
| return Arrays.copyOf(tributarySlotBitmap, tributarySlotBitmap.length); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(tributaryPortNumber, tributarySlotLength, Arrays.hashCode(tributarySlotBitmap)); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof OduSignalId)) { |
| return false; |
| } |
| final OduSignalId other = (OduSignalId) obj; |
| return Objects.equals(this.tributaryPortNumber, other.tributaryPortNumber) |
| && Objects.equals(this.tributarySlotLength, other.tributarySlotLength) |
| && Arrays.equals(tributarySlotBitmap, other.tributarySlotBitmap); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(this) |
| .omitNullValues() |
| .add("tributaryPortNumber", tributaryPortNumber) |
| .add("tributarySlotLength", tributarySlotLength) |
| .add("tributarySlotBitmap", HexString.toHexString(tributarySlotBitmap)) |
| .toString(); |
| } |
| |
| } |
| |