diff options
Diffstat (limited to 'framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java')
-rw-r--r-- | framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java new file mode 100644 index 00000000..f3c0d17b --- /dev/null +++ b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java @@ -0,0 +1,140 @@ +/* + * 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.attr; + +import java.util.Objects; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onlab.packet.Ip4Address; +import org.onosproject.bgpio.exceptions.BgpParseException; +import org.onosproject.bgpio.types.BgpErrorType; +import org.onosproject.bgpio.types.BgpValueType; +import org.onosproject.bgpio.util.Validation; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +/** + * Implements BGP attribute node router ID. + */ +public final class BgpAttrRouterIdV4 implements BgpValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpAttrRouterIdV4.class); + + private final short sType; + + /* IPv4 Router-ID of Node */ + private final Ip4Address ip4RouterId; + + /** + * Constructor to initialize the value. + * + * @param ip4RouterId IPV4 address of router + * @param sType TLV type + */ + private BgpAttrRouterIdV4(Ip4Address ip4RouterId, short sType) { + this.ip4RouterId = ip4RouterId; + this.sType = sType; + } + + /** + * Returns object of this class with specified values. + * + * @param ip4RouterId IPv4 address + * @param sType Type of this TLV + * @return object of BgpAttrRouterIdV4 + */ + public static BgpAttrRouterIdV4 of(final Ip4Address ip4RouterId, + final short sType) { + return new BgpAttrRouterIdV4(ip4RouterId, sType); + } + + /** + * Reads the IPv4 Router-ID. + * + * @param cb ChannelBuffer + * @param sType tag type + * @return object of BgpAttrRouterIdV4 + * @throws BgpParseException while parsing BgpAttrRouterIdV4 + */ + public static BgpAttrRouterIdV4 read(ChannelBuffer cb, short sType) + throws BgpParseException { + short lsAttrLength = cb.readShort(); + + if ((lsAttrLength != 4) || (cb.readableBytes() < lsAttrLength)) { + Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR, + BgpErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + byte[] ipBytes = new byte[lsAttrLength]; + cb.readBytes(ipBytes, 0, lsAttrLength); + Ip4Address ip4RouterId = Ip4Address.valueOf(ipBytes); + return BgpAttrRouterIdV4.of(ip4RouterId, sType); + } + + /** + * Returns the IPV4 router ID. + * + * @return Router ID + */ + public Ip4Address attrRouterId() { + return ip4RouterId; + } + + @Override + public short getType() { + return sType; + } + + @Override + public int hashCode() { + return Objects.hash(ip4RouterId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpAttrRouterIdV4) { + BgpAttrRouterIdV4 other = (BgpAttrRouterIdV4) obj; + return Objects.equals(ip4RouterId, other.ip4RouterId); + } + return false; + } + + @Override + public int write(ChannelBuffer cb) { + // TODO This will be implemented in the next version + return 0; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()).omitNullValues() + .add("ip4RouterId", ip4RouterId).toString(); + } + + @Override + public int compareTo(Object o) { + // TODO Auto-generated method stub + return 0; + } +} |