diff options
Diffstat (limited to 'framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java')
| -rw-r--r-- | framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java b/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java deleted file mode 100644 index 3ceca2ce..00000000 --- a/framework/src/onos/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java +++ /dev/null @@ -1,175 +0,0 @@ -/* - * 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.ArrayList; -import java.util.List; -import java.util.Objects; - -import org.jboss.netty.buffer.ChannelBuffer; -import org.onosproject.bgpio.exceptions.BgpParseException; -import org.onosproject.bgpio.util.Constants; -import org.onosproject.bgpio.util.Validation; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import com.google.common.base.MoreObjects; - -/** - * Provides Implementation of As4Path BGP Path Attribute. - */ -public class As4Path implements BgpValueType { - private static final Logger log = LoggerFactory.getLogger(AsPath.class); - public static final byte AS4PATH_TYPE = 17; - public static final byte ASNUM_SIZE = 4; - - private List<Integer> as4pathSet; - private List<Integer> as4pathSeq; - - /** - * Initialize fields. - */ - public As4Path() { - this.as4pathSeq = null; - this.as4pathSet = null; - } - - /** - * Constructor to initialize parameters. - * - * @param as4pathSet AS4path Set - * @param as4pathSeq AS4path Sequence - */ - public As4Path(List<Integer> as4pathSet, List<Integer> as4pathSeq) { - this.as4pathSeq = as4pathSeq; - this.as4pathSet = as4pathSet; - } - - /** - * Reads from the channel buffer and parses As4Path. - * - * @param cb ChannelBuffer - * @return object of As4Path - * @throws BgpParseException while parsing As4Path - */ - public static As4Path read(ChannelBuffer cb) throws BgpParseException { - List<Integer> as4pathSet = new ArrayList<>(); - List<Integer> as4pathSeq = new ArrayList<>(); - ChannelBuffer tempCb = cb.copy(); - Validation validation = Validation.parseAttributeHeader(cb); - - if (cb.readableBytes() < validation.getLength()) { - Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.ATTRIBUTE_LENGTH_ERROR, - validation.getLength()); - } - //if fourth bit is set length is read as short otherwise as byte , len includes type, length and value - int len = validation.isShort() ? validation.getLength() + Constants.TYPE_AND_LEN_AS_SHORT : validation - .getLength() + Constants.TYPE_AND_LEN_AS_BYTE; - ChannelBuffer data = tempCb.readBytes(len); - if (validation.getFirstBit() && !validation.getSecondBit() && validation.getThirdBit()) { - throw new BgpParseException(BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.ATTRIBUTE_FLAGS_ERROR, data); - } - - ChannelBuffer tempBuf = cb.readBytes(validation.getLength()); - while (tempBuf.readableBytes() > 0) { - byte pathSegType = tempBuf.readByte(); - //no of ASes - byte pathSegLen = tempBuf.readByte(); - //length = no of Ases * ASnum size (4 bytes) - int length = pathSegLen * ASNUM_SIZE; - if (tempBuf.readableBytes() < length) { - Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR, - BgpErrorType.ATTRIBUTE_LENGTH_ERROR, length); - } - ChannelBuffer aspathBuf = tempBuf.readBytes(length); - while (aspathBuf.readableBytes() > 0) { - int asNum; - asNum = aspathBuf.readInt(); - switch (pathSegType) { - case AsPath.ASPATH_SET_TYPE: - as4pathSet.add(asNum); - break; - case AsPath.ASPATH_SEQ_TYPE: - as4pathSeq.add(asNum); - break; - default: log.debug("Other type Not Supported:" + pathSegType); - } - } - } - return new As4Path(as4pathSet, as4pathSeq); - } - - @Override - public short getType() { - return AS4PATH_TYPE; - } - - /** - * Returns list of ASNum in AS4path Sequence. - * - * @return list of ASNum in AS4path Sequence - */ - public List<Integer> as4PathSEQ() { - return this.as4pathSeq; - } - - /** - * Returns list of ASNum in AS4path Set. - * - * @return list of ASNum in AS4path Set - */ - public List<Integer> as4PathSET() { - return this.as4pathSet; - } - - @Override - public int hashCode() { - return Objects.hash(as4pathSet, as4pathSeq); - } - - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - if (obj instanceof As4Path) { - As4Path other = (As4Path) obj; - return Objects.equals(as4pathSet, other.as4pathSet) && Objects.equals(as4pathSeq, other.as4pathSeq); - } - return false; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .omitNullValues() - .add("as4pathSet", as4pathSet) - .add("as4pathSeq", as4pathSeq) - .toString(); - } - - @Override - public int write(ChannelBuffer cb) { - //Not required to Implement as of now - return 0; - } - - @Override - public int compareTo(Object o) { - // TODO Auto-generated method stub - return 0; - } -}
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