diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-10-09 18:32:44 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-10-09 18:32:44 -0700 |
commit | 6a07d2d622eaa06953f3353e39c080984076e8de (patch) | |
tree | bfb50a2090fce186c2cc545a400c969bf2ea702b /framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AreaIDTlv.java | |
parent | e6d71622143ff9b2421a1abbe8434b954b5b1099 (diff) |
Updated master to commit id 6ee8aa3e67ce89908a8c93aa9445c6f71a18f986
Change-Id: I94b055ee2f298daf71e2ec794fd0f2495bd8081f
Diffstat (limited to 'framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AreaIDTlv.java')
-rw-r--r-- | framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AreaIDTlv.java | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AreaIDTlv.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AreaIDTlv.java new file mode 100644 index 00000000..52bae466 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AreaIDTlv.java @@ -0,0 +1,126 @@ +/* + * 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 org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +/** + * Provides AreaID Tlv which contains opaque value (32 Bit Area-ID). + */ +public class AreaIDTlv 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= 514 | Length=4 | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | opaque value (32 Bit Area-ID) | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + + protected static final Logger log = LoggerFactory.getLogger(AreaIDTlv.class); + + public static final short TYPE = 514; + public static final short LENGTH = 4; + + private final int areaID; + + /** + * Constructor to initialize areaID. + * + * @param areaID of BGP AreaID Tlv + */ + public AreaIDTlv(int areaID) { + this.areaID = areaID; + } + + /** + * Returns object of this class with specified areaID. + * + * @param areaID opaque value of area id + * @return object of AreaIDTlv + */ + public static AreaIDTlv of(final int areaID) { + return new AreaIDTlv(areaID); + } + + /** + * Returns opaque value of area id. + * + * @return opaque value of area id + */ + public int getAreaID() { + return areaID; + } + + @Override + public int hashCode() { + return Objects.hash(areaID); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof AreaIDTlv) { + AreaIDTlv other = (AreaIDTlv) obj; + return Objects.equals(areaID, other.areaID); + } + return false; + } + + @Override + public int write(ChannelBuffer c) { + int iLenStartIndex = c.writerIndex(); + c.writeShort(TYPE); + c.writeShort(LENGTH); + c.writeInt(areaID); + return c.writerIndex() - iLenStartIndex; + } + + /** + * Reads the channel buffer and returns object of AreaIDTlv. + * + * @param cb ChannelBuffer + * @return object of AreaIDTlv + */ + public static AreaIDTlv read(ChannelBuffer cb) { + return AreaIDTlv.of(cb.readInt()); + } + + @Override + public short getType() { + return TYPE; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("Type", TYPE) + .add("Length", LENGTH) + .add("Value", areaID) + .toString(); + } +}
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