diff options
Diffstat (limited to 'framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.java')
-rw-r--r-- | framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.java | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.java b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.java new file mode 100644 index 00000000..e855a526 --- /dev/null +++ b/framework/src/onos/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/SharedRiskLinkGroupTlv.java @@ -0,0 +1,167 @@ +/* + * 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.pcepio.types; + +import java.util.Arrays; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onosproject.pcepio.protocol.PcepVersion; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; +import com.google.common.base.MoreObjects.ToStringHelper; + +/** + * Provides SharedRiskLinkGroupTlv. + */ +public class SharedRiskLinkGroupTlv implements PcepValueType { + + /* + * Reference :[I-D.ietf-idr- Group ls-distribution] /3.3.2.5 + * + * 0 1 2 3 + 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Type =TDB41 | Length | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Shared Risk Link Group Value | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + // ............ // + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Shared Risk Link Group Value | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + + protected static final Logger log = LoggerFactory.getLogger(SharedRiskLinkGroupTlv.class); + + public static final short TYPE = 1096; //TODO:NEED TO HANDLE TDB41 + + private final short hLength; + + private final int[] srlgValue; + + /** + * Constructor to initialize SRLG value. + * + * @param srlgValue Shared Risk Link Group Value + * @param hLength length + */ + public SharedRiskLinkGroupTlv(int[] srlgValue, short hLength) { + this.srlgValue = srlgValue; + if (0 == hLength) { + this.hLength = (short) ((srlgValue.length) * 4); + } else { + this.hLength = hLength; + } + } + + /** + * Returns object of SharedRiskLinkGroupTlv. + * + * @param raw value + * @param hLength length + * @return object of SharedRiskLinkGroupTlv + */ + public static SharedRiskLinkGroupTlv of(final int[] raw, short hLength) { + return new SharedRiskLinkGroupTlv(raw, hLength); + } + + /** + * Returns SRLG Value. + * + * @return srlgValue + */ + public int[] getValue() { + return srlgValue; + } + + @Override + public PcepVersion getVersion() { + return PcepVersion.PCEP_1; + } + + @Override + public short getType() { + return TYPE; + } + + @Override + public short getLength() { + return hLength; + } + + @Override + public int hashCode() { + return Arrays.hashCode(srlgValue); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof SharedRiskLinkGroupTlv) { + SharedRiskLinkGroupTlv other = (SharedRiskLinkGroupTlv) obj; + return Arrays.equals(this.srlgValue, other.srlgValue); + } + return false; + } + + @Override + public int write(ChannelBuffer c) { + int iLenStartIndex = c.writerIndex(); + c.writeShort(TYPE); + c.writeShort(hLength); + for (int b : srlgValue) { + c.writeInt(b); + } + return c.writerIndex() - iLenStartIndex; + } + + /** + * Reads from channel buffer and returns object of SharedRiskLinkGroupTlv. + * + * @param c input channel buffer + * @param hLength length + * @return object of SharedRiskLinkGroupTlv + */ + public static PcepValueType read(ChannelBuffer c, short hLength) { + int iLength = hLength / 4; + int[] iSharedRiskLinkGroup = new int[iLength]; + for (int i = 0; i < iLength; i++) { + iSharedRiskLinkGroup[i] = c.readInt(); + } + return new SharedRiskLinkGroupTlv(iSharedRiskLinkGroup, hLength); + } + + + @Override + public String toString() { + ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass()); + + toStrHelper.add("Type", TYPE); + toStrHelper.add("Length", hLength); + + StringBuffer result = new StringBuffer(); + for (int b : srlgValue) { + result.append(String.format("%02X ", b)); + } + toStrHelper.add("Value", result); + + return toStrHelper.toString(); + } +} |