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Diffstat (limited to 'framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpLSIdentifierTlv.java')
| -rw-r--r-- | framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpLSIdentifierTlv.java | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpLSIdentifierTlv.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpLSIdentifierTlv.java new file mode 100644 index 00000000..58645d4f --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpLSIdentifierTlv.java @@ -0,0 +1,131 @@ +/* + * 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.bgpio.types; + +import java.util.Objects; + +import org.jboss.netty.buffer.ChannelBuffer; + +import com.google.common.base.MoreObjects; + +/** + * Provides BGPLSIdentifier Tlv which contains opaque value (32 Bit BGPLS-Identifier). + */ +public class BgpLSIdentifierTlv implements BgpValueType { + + /* Reference :draft-ietf-idr-ls-distribution-11 + * 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= 513 | Length=4 | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | opaque value (32 Bit BGPLS-Identifier) | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + + public static final short TYPE = 513; + public static final short LENGTH = 4; + + private final int bgpLsIdentifier; + + /** + * Constructor to initialize bgpLsIdentifier. + * + * @param bgpLsIdentifier BGPLS-Identifier + */ + public BgpLSIdentifierTlv(int bgpLsIdentifier) { + this.bgpLsIdentifier = bgpLsIdentifier; + } + + /** + * Returns object of this class with specified bgpLsIdentifier. + * + * @param bgpLsIdentifier BGPLS-Identifier + * @return BGPLS-Identifier + */ + public static BgpLSIdentifierTlv of(final int bgpLsIdentifier) { + return new BgpLSIdentifierTlv(bgpLsIdentifier); + } + + /** + * Returns opaque value of BGPLS-Identifier. + * + * @return opaque value of BGPLS-Identifier + */ + public int getBgpLsIdentifier() { + return bgpLsIdentifier; + } + + @Override + public int hashCode() { + return Objects.hash(bgpLsIdentifier); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpLSIdentifierTlv) { + BgpLSIdentifierTlv other = (BgpLSIdentifierTlv) obj; + return Objects.equals(bgpLsIdentifier, other.bgpLsIdentifier); + } + return false; + } + + @Override + public int write(ChannelBuffer c) { + int iLenStartIndex = c.writerIndex(); + c.writeShort(TYPE); + c.writeShort(LENGTH); + c.writeInt(bgpLsIdentifier); + return c.writerIndex() - iLenStartIndex; + } + + /** + * Reads the channel buffer and parses BGPLS Identifier TLV. + * + * @param cb ChannelBuffer + * @return object of BGPLSIdentifierTlv + */ + public static BgpLSIdentifierTlv read(ChannelBuffer cb) { + return BgpLSIdentifierTlv.of(cb.readInt()); + } + + @Override + public short getType() { + return TYPE; + } + + @Override + public int compareTo(Object o) { + if (this.equals(o)) { + return 0; + } + return ((Integer) (this.bgpLsIdentifier)).compareTo((Integer) (((BgpLSIdentifierTlv) o).bgpLsIdentifier)); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("Type", TYPE) + .add("Length", LENGTH) + .add("Value", bgpLsIdentifier) + .toString(); + } +}
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