diff options
Diffstat (limited to 'framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrOpaqueData.java')
-rwxr-xr-x | framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrOpaqueData.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrOpaqueData.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrOpaqueData.java new file mode 100755 index 00000000..c7008ca1 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrOpaqueData.java @@ -0,0 +1,134 @@ +/* + * 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.Arrays; + +import org.jboss.netty.buffer.ChannelBuffer; +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 prefix opaque data attribute. + */ +public final class BgpPrefixAttrOpaqueData implements BGPValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpPrefixAttrOpaqueData.class); + + public static final int ATTR_PREFIX_OPAQUEDATA = 1157; + + /* Opaque Node Attribute */ + private final byte[] opaquePrefixAttribute; + + /** + * Constructor to initialize the values. + * + * @param opaquePrefixAttribute opaque prefix data + */ + public BgpPrefixAttrOpaqueData(byte[] opaquePrefixAttribute) { + this.opaquePrefixAttribute = Arrays + .copyOf(opaquePrefixAttribute, opaquePrefixAttribute.length); + } + + /** + * Returns object of this class with specified values. + * + * @param opaquePrefixAttribute opaque prefix data + * @return object of BgpPrefixAttrOpaqueData + */ + public static BgpPrefixAttrOpaqueData of(final byte[] opaquePrefixAttribute) { + return new BgpPrefixAttrOpaqueData(opaquePrefixAttribute); + } + + /** + * Reads the Opaque Prefix Attribute. + * + * @param cb ChannelBuffer + * @return object of BgpPrefixAttrOpaqueData + * @throws BGPParseException while parsing BgpPrefixAttrOpaqueData + */ + public static BgpPrefixAttrOpaqueData read(ChannelBuffer cb) + throws BGPParseException { + byte[] opaquePrefixAttribute; + + short lsAttrLength = cb.readShort(); + opaquePrefixAttribute = new byte[lsAttrLength]; + + if (cb.readableBytes() < lsAttrLength) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + cb.readBytes(opaquePrefixAttribute); + + return BgpPrefixAttrOpaqueData.of(opaquePrefixAttribute); + } + + /** + * Returns the Opaque prefix attribute name. + * + * @return opaque prefix name + */ + public byte[] getOpaquePrefixAttribute() { + return opaquePrefixAttribute; + } + + @Override + public short getType() { + return ATTR_PREFIX_OPAQUEDATA; + } + + @Override + public int hashCode() { + return Arrays.hashCode(opaquePrefixAttribute); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpPrefixAttrOpaqueData) { + BgpPrefixAttrOpaqueData other = (BgpPrefixAttrOpaqueData) obj; + return Arrays.equals(opaquePrefixAttribute, + other.opaquePrefixAttribute); + } + 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("opaquePrefixAttribute", getOpaquePrefixAttribute()) + .toString(); + } + +} |