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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.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();
}
}
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