diff options
Diffstat (limited to 'framework/src/onos/bgp/bgpio/src/main/java/org/onosproject')
39 files changed, 2336 insertions, 181 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPLSNlri.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPLSNlri.java index 572e2aeb..189edb88 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPLSNlri.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPLSNlri.java @@ -16,7 +16,7 @@ package org.onosproject.bgpio.protocol; import org.onosproject.bgpio.exceptions.BGPParseException; -import org.onosproject.bgpio.protocol.link_state.BGPNodeLSNlriVer4.PROTOCOLTYPE; +import org.onosproject.bgpio.protocol.linkstate.BGPNodeLSNlriVer4.PROTOCOLTYPE; import org.onosproject.bgpio.types.RouteDistinguisher; /** @@ -51,4 +51,4 @@ public interface BGPLSNlri { * @return Route distinguisher in Nlri */ RouteDistinguisher getRouteDistinguisher(); -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPNodeLSNlri.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPNodeLSNlri.java index fd5b8056..b6e4a3a0 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPNodeLSNlri.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPNodeLSNlri.java @@ -15,7 +15,7 @@ */ package org.onosproject.bgpio.protocol; -import org.onosproject.bgpio.protocol.link_state.BGPNodeLSIdentifier; +import org.onosproject.bgpio.protocol.linkstate.BGPNodeLSIdentifier; /** * Abstraction of an entity providing BGP-LS Node NLRI. @@ -27,4 +27,4 @@ public interface BGPNodeLSNlri extends BGPLSNlri { * @return local node descriptors */ BGPNodeLSIdentifier getLocalNodeDescriptors(); -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPOpenMsg.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPOpenMsg.java index a8c242b4..bf5d05f4 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPOpenMsg.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPOpenMsg.java @@ -72,13 +72,6 @@ public interface BGPOpenMsg extends BGPMessage { BGPOpenMsg build() throws BGPParseException; /** - * Returns hold time of Open Message. - * - * @return hold time of Open Message - */ - short getHoldTime(); - - /** * Sets hold time in Open Message and return its builder. * * @param holdtime hold timer value in open message @@ -87,13 +80,6 @@ public interface BGPOpenMsg extends BGPMessage { Builder setHoldTime(short holdtime); /** - * Returns as number of Open Message. - * - * @return as number of Open Message - */ - short getAsNumber(); - - /** * Sets AS number in Open Message and return its builder. * * @param asNumber as number in open message @@ -102,13 +88,6 @@ public interface BGPOpenMsg extends BGPMessage { Builder setAsNumber(short asNumber); /** - * Returns BGP Identifier of Open Message. - * - * @return BGP Identifier of Open Message - */ - int getBgpId(); - - /** * Sets BGP Identifier in Open Message and return its builder. * * @param bgpId BGP Identifier in open message @@ -117,13 +96,6 @@ public interface BGPOpenMsg extends BGPMessage { Builder setBgpId(int bgpId); /** - * Returns capabilities of Open Message. - * - * @return capabilities of Open Message - */ - LinkedList<BGPValueType> getCapabilityTlv(); - - /** * Sets capabilities in Open Message and return its builder. * * @param capabilityTlv capabilities in open message diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPPrefixLSNlri.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPPrefixLSNlri.java index 7e849f48..2c331a2e 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPPrefixLSNlri.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPPrefixLSNlri.java @@ -18,7 +18,7 @@ package org.onosproject.bgpio.protocol; import java.util.LinkedList; import org.onosproject.bgpio.types.BGPValueType; -import org.onosproject.bgpio.protocol.link_state.NodeDescriptors; +import org.onosproject.bgpio.protocol.linkstate.NodeDescriptors; /** * Abstraction of an entity providing BGP-LS Prefix NLRI. @@ -37,4 +37,4 @@ public interface BGPPrefixLSNlri extends BGPLSNlri { * @return list of Prefix descriptor */ LinkedList<BGPValueType> getPrefixdescriptor(); -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpLinkLsNlri.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpLinkLsNlri.java new file mode 100644 index 00000000..dab7a3d2 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpLinkLsNlri.java @@ -0,0 +1,47 @@ +/* + * 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.protocol; + +import java.util.List; + +import org.onosproject.bgpio.types.BGPValueType; +import org.onosproject.bgpio.protocol.linkstate.NodeDescriptors; + +/** + * Abstraction of an entity providing BGP-LS Link NLRI. + */ +public interface BgpLinkLsNlri extends BGPLSNlri { + /** + * Returns local node descriptors. + * + * @return local node descriptors + */ + NodeDescriptors localNodeDescriptors(); + + /** + * Returns remote node descriptors. + * + * @return remote node descriptors + */ + NodeDescriptors remoteNodeDescriptors(); + + /** + * Returns link descriptors. + * + * @return link descriptors + */ + List<BGPValueType> linkDescriptors(); +}
\ No newline at end of file diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpUpdateMsg.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpUpdateMsg.java new file mode 100644 index 00000000..969936c8 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpUpdateMsg.java @@ -0,0 +1,48 @@ +/* + * 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.protocol; + +import java.util.List; + +import org.onlab.packet.IpPrefix; +import org.onosproject.bgpio.protocol.ver4.BgpPathAttributes; + +/** + * Abstraction of an entity providing BGP Update Message. + */ +public interface BgpUpdateMsg extends BGPMessage { + /** + * Returns path attributes in BGP Update Message. + * + * @return path attributes in BGP Update Message + */ + BgpPathAttributes bgpPathAttributes(); + + /** + * Returns withdrawn Routes. + * + * @return withdrawn Routes + */ + List<IpPrefix> withdrawnRoutes(); + + /** + * Returns NLRI list of prefix. + * + * @return NLRI list of prefix + */ + List<IpPrefix> nlri(); +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPLinkLSIdentifier.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPLinkLSIdentifier.java new file mode 100755 index 00000000..ffea74db --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPLinkLSIdentifier.java @@ -0,0 +1,252 @@ +/* + * 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.protocol.linkstate; + +import java.util.Iterator; +import java.util.LinkedList; +import java.util.List; +import java.util.Objects; + +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.types.IPv4AddressTlv; +import org.onosproject.bgpio.types.IPv6AddressTlv; +import org.onosproject.bgpio.types.LinkLocalRemoteIdentifiersTlv; +import org.onosproject.bgpio.types.attr.BgpAttrNodeMultiTopologyId; +import org.onosproject.bgpio.util.UnSupportedAttribute; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; +import com.google.common.base.Preconditions; + +/** + * Implementation of local node descriptors, remote node descriptors and link descriptors. + */ +public class BGPLinkLSIdentifier { + private static final Logger log = LoggerFactory.getLogger(BGPLinkLSIdentifier.class); + public static final short IPV4_INTERFACE_ADDRESS_TYPE = 259; + public static final short IPV4_NEIGHBOR_ADDRESS_TYPE = 260; + public static final short IPV6_INTERFACE_ADDRESS_TYPE = 261; + public static final short IPV6_NEIGHBOR_ADDRESS_TYPE = 262; + public static final int TYPE_AND_LEN = 4; + + private NodeDescriptors localNodeDescriptors; + private NodeDescriptors remoteNodeDescriptors; + private List<BGPValueType> linkDescriptor; + + /** + * Initialize fields. + */ + public BGPLinkLSIdentifier() { + this.localNodeDescriptors = null; + this.remoteNodeDescriptors = null; + this.linkDescriptor = null; + } + + /** + * Constructors to initialize parameters. + * + * @param localNodeDescriptors local node descriptors + * @param remoteNodeDescriptors remote node descriptors + * @param linkDescriptor link descriptors + */ + public BGPLinkLSIdentifier(NodeDescriptors localNodeDescriptors, NodeDescriptors remoteNodeDescriptors, + LinkedList<BGPValueType> linkDescriptor) { + this.localNodeDescriptors = Preconditions.checkNotNull(localNodeDescriptors); + this.remoteNodeDescriptors = Preconditions.checkNotNull(remoteNodeDescriptors); + this.linkDescriptor = Preconditions.checkNotNull(linkDescriptor); + } + + /** + * Reads channel buffer and parses link identifier. + * + * @param cb ChannelBuffer + * @param protocolId in linkstate nlri + * @return object of BGPLinkLSIdentifier + * @throws BGPParseException while parsing link identifier + */ + public static BGPLinkLSIdentifier parseLinkIdendifier(ChannelBuffer cb, byte protocolId) throws BGPParseException { + //Parse local node descriptor + NodeDescriptors localNodeDescriptors = new NodeDescriptors(); + localNodeDescriptors = parseNodeDescriptors(cb, NodeDescriptors.LOCAL_NODE_DES_TYPE, protocolId); + + //Parse remote node descriptor + NodeDescriptors remoteNodeDescriptors = new NodeDescriptors(); + remoteNodeDescriptors = parseNodeDescriptors(cb, NodeDescriptors.REMOTE_NODE_DES_TYPE, protocolId); + + //Parse link descriptor + LinkedList<BGPValueType> linkDescriptor = new LinkedList<>(); + linkDescriptor = parseLinkDescriptors(cb); + return new BGPLinkLSIdentifier(localNodeDescriptors, remoteNodeDescriptors, linkDescriptor); + } + + /** + * Parses Local/Remote node descriptors. + * + * @param cb ChannelBuffer + * @param desType descriptor type + * @param protocolId protocol identifier + * @return object of NodeDescriptors + * @throws BGPParseException while parsing Local/Remote node descriptors + */ + public static NodeDescriptors parseNodeDescriptors(ChannelBuffer cb, short desType, byte protocolId) + throws BGPParseException { + ChannelBuffer tempBuf = cb; + short type = cb.readShort(); + short length = cb.readShort(); + if (cb.readableBytes() < length) { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.OPTIONAL_ATTRIBUTE_ERROR, + tempBuf.readBytes(cb.readableBytes() + TYPE_AND_LEN)); + } + NodeDescriptors nodeIdentifier = new NodeDescriptors(); + ChannelBuffer tempCb = cb.readBytes(length); + + if (type == desType) { + nodeIdentifier = NodeDescriptors.read(tempCb, length, desType, protocolId); + } else { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.MALFORMED_ATTRIBUTE_LIST, null); + } + return nodeIdentifier; + } + + /** + * Parses link descriptors. + * + * @param cb ChannelBuffer + * @return list of link descriptors + * @throws BGPParseException while parsing link descriptors + */ + public static LinkedList<BGPValueType> parseLinkDescriptors(ChannelBuffer cb) throws BGPParseException { + LinkedList<BGPValueType> linkDescriptor = new LinkedList<>(); + BGPValueType tlv = null; + int count = 0; + + while (cb.readableBytes() > 0) { + ChannelBuffer tempBuf = cb; + short type = cb.readShort(); + short length = cb.readShort(); + if (cb.readableBytes() < length) { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.OPTIONAL_ATTRIBUTE_ERROR, + tempBuf.readBytes(cb.readableBytes() + TYPE_AND_LEN)); + } + ChannelBuffer tempCb = cb.readBytes(length); + switch (type) { + case LinkLocalRemoteIdentifiersTlv.TYPE: + tlv = LinkLocalRemoteIdentifiersTlv.read(tempCb); + break; + case IPV4_INTERFACE_ADDRESS_TYPE: + tlv = IPv4AddressTlv.read(tempCb, IPV4_INTERFACE_ADDRESS_TYPE); + break; + case IPV4_NEIGHBOR_ADDRESS_TYPE: + tlv = IPv4AddressTlv.read(tempCb, IPV4_NEIGHBOR_ADDRESS_TYPE); + break; + case IPV6_INTERFACE_ADDRESS_TYPE: + tlv = IPv6AddressTlv.read(tempCb, IPV6_INTERFACE_ADDRESS_TYPE); + break; + case IPV6_NEIGHBOR_ADDRESS_TYPE: + tlv = IPv6AddressTlv.read(tempCb, IPV6_NEIGHBOR_ADDRESS_TYPE); + break; + case BgpAttrNodeMultiTopologyId.ATTRNODE_MULTITOPOLOGY: + tlv = BgpAttrNodeMultiTopologyId.read(tempCb); + count = count++; + //MultiTopologyId TLV cannot repeat more than once + if (count > 1) { + //length + 4 implies data contains type, length and value + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.OPTIONAL_ATTRIBUTE_ERROR, tempBuf.readBytes(length + + TYPE_AND_LEN)); + } + break; + default: + UnSupportedAttribute.skipBytes(tempCb, length); + } + linkDescriptor.add(tlv); + } + return linkDescriptor; + } + + /** + * Returns local node descriptors. + * + * @return local node descriptors + */ + public NodeDescriptors localNodeDescriptors() { + return this.localNodeDescriptors; + } + + /** + * Returns remote node descriptors. + * + * @return remote node descriptors + */ + public NodeDescriptors remoteNodeDescriptors() { + return this.remoteNodeDescriptors; + } + + /** + * Returns link descriptors. + * + * @return link descriptors + */ + public List<BGPValueType> linkDescriptors() { + return this.linkDescriptor; + } + + @Override + public int hashCode() { + return Objects.hash(linkDescriptor, localNodeDescriptors, remoteNodeDescriptors); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof BGPLinkLSIdentifier) { + int countObjSubTlv = 0; + int countOtherSubTlv = 0; + boolean isCommonSubTlv = true; + BGPLinkLSIdentifier other = (BGPLinkLSIdentifier) obj; + Iterator<BGPValueType> objListIterator = other.linkDescriptor.iterator(); + countOtherSubTlv = other.linkDescriptor.size(); + countObjSubTlv = linkDescriptor.size(); + if (countObjSubTlv != countOtherSubTlv) { + return false; + } else { + while (objListIterator.hasNext() && isCommonSubTlv) { + BGPValueType subTlv = objListIterator.next(); + isCommonSubTlv = Objects.equals(linkDescriptor.contains(subTlv), + other.linkDescriptor.contains(subTlv)); + } + return isCommonSubTlv && Objects.equals(this.localNodeDescriptors, other.localNodeDescriptors) + && Objects.equals(this.remoteNodeDescriptors, other.remoteNodeDescriptors); + } + } + return false; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("localNodeDescriptors", localNodeDescriptors) + .add("remoteNodeDescriptors", remoteNodeDescriptors) + .add("linkDescriptor", linkDescriptor) + .toString(); + } +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPNodeLSIdentifier.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPNodeLSIdentifier.java index cd2422a7..603bf6ec 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPNodeLSIdentifier.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPNodeLSIdentifier.java @@ -13,7 +13,7 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -package org.onosproject.bgpio.protocol.link_state; +package org.onosproject.bgpio.protocol.linkstate; import java.util.Objects; @@ -110,4 +110,4 @@ public class BGPNodeLSIdentifier { .add("NodeDescriptors", nodeDescriptors) .toString(); } -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPNodeLSNlriVer4.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPNodeLSNlriVer4.java index 04780d82..54837ee8 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPNodeLSNlriVer4.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPNodeLSNlriVer4.java @@ -13,7 +13,7 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -package org.onosproject.bgpio.protocol.link_state; +package org.onosproject.bgpio.protocol.linkstate; import org.jboss.netty.buffer.ChannelBuffer; import org.onosproject.bgpio.exceptions.BGPParseException; @@ -209,4 +209,4 @@ public class BGPNodeLSNlriVer4 implements BGPNodeLSNlri { .add("localNodeDescriptors", localNodeDescriptors) .toString(); } -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPPrefixIPv4LSNlriVer4.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPPrefixIPv4LSNlriVer4.java index 0f18c757..6d6f48b1 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPPrefixIPv4LSNlriVer4.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPPrefixIPv4LSNlriVer4.java @@ -13,7 +13,7 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -package org.onosproject.bgpio.protocol.link_state; +package org.onosproject.bgpio.protocol.linkstate; import java.util.LinkedList; @@ -21,7 +21,7 @@ import org.jboss.netty.buffer.ChannelBuffer; import org.onosproject.bgpio.exceptions.BGPParseException; import org.onosproject.bgpio.protocol.BGPPrefixLSNlri; import org.onosproject.bgpio.protocol.NlriType; -import org.onosproject.bgpio.protocol.link_state.BGPNodeLSNlriVer4.PROTOCOLTYPE; +import org.onosproject.bgpio.protocol.linkstate.BGPNodeLSNlriVer4.PROTOCOLTYPE; import org.onosproject.bgpio.types.BGPValueType; import org.onosproject.bgpio.types.RouteDistinguisher; import org.onosproject.bgpio.util.Constants; @@ -202,4 +202,4 @@ public class BGPPrefixIPv4LSNlriVer4 implements BGPPrefixLSNlri { .add("bgpPrefixLSIdentifier", bgpPrefixLSIdentifier) .toString(); } -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPPrefixLSIdentifier.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPPrefixLSIdentifier.java index 4fef47ff..23f41794 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/BGPPrefixLSIdentifier.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/BGPPrefixLSIdentifier.java @@ -14,7 +14,7 @@ * limitations under the License. */ -package org.onosproject.bgpio.protocol.link_state; +package org.onosproject.bgpio.protocol.linkstate; import java.util.Iterator; import java.util.LinkedList; @@ -225,4 +225,4 @@ public class BGPPrefixLSIdentifier { .add("prefixDescriptor", prefixDescriptor) .toString(); } -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/NodeDescriptors.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/NodeDescriptors.java index a03b2bae..74637c7e 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/NodeDescriptors.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/NodeDescriptors.java @@ -14,7 +14,7 @@ * limitations under the License. */ -package org.onosproject.bgpio.protocol.link_state; +package org.onosproject.bgpio.protocol.linkstate; import java.util.Iterator; import java.util.LinkedList; @@ -222,4 +222,4 @@ public class NodeDescriptors { .add("subTlvs", subTlvs) .toString(); } -}
\ No newline at end of file +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/package-info.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/package-info.java index d2a2ccf3..87ba60f0 100755 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/link_state/package-info.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/linkstate/package-info.java @@ -17,4 +17,4 @@ /** * BGP Protocol specific link state details. */ -package org.onosproject.bgpio.protocol.link_state;
\ No newline at end of file +package org.onosproject.bgpio.protocol.linkstate; diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java index b50342d6..fccbf5f7 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java @@ -311,8 +311,8 @@ public class BGPOpenMsgVer4 implements BGPOpenMsg { if (this.isLargeAsCapabilityTlvSet) { BGPValueType tlv; - int iValue = this.getAsNumber(); - tlv = new FourOctetAsNumCapabilityTlv(iValue); + int value = this.asNumber; + tlv = new FourOctetAsNumCapabilityTlv(value); this.capabilityTlv.add(tlv); } @@ -333,26 +333,6 @@ public class BGPOpenMsgVer4 implements BGPOpenMsg { } @Override - public short getHoldTime() { - return this.holdTime; - } - - @Override - public short getAsNumber() { - return this.asNumber; - } - - @Override - public int getBgpId() { - return this.bgpId; - } - - @Override - public LinkedList<BGPValueType> getCapabilityTlv() { - return this.capabilityTlv; - } - - @Override public Builder setHoldTime(short holdTime) { this.holdTime = holdTime; this.isHoldTimeSet = true; diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpPathAttributes.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpPathAttributes.java index 08fea4c6..20a7ba03 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpPathAttributes.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpPathAttributes.java @@ -28,6 +28,8 @@ import org.onosproject.bgpio.types.LocalPref; import org.onosproject.bgpio.types.Med; import org.onosproject.bgpio.types.NextHop; import org.onosproject.bgpio.types.Origin; +import org.onosproject.bgpio.types.MpReachNlri; +import org.onosproject.bgpio.types.MpUnReachNlri; import org.onosproject.bgpio.util.UnSupportedAttribute; import org.onosproject.bgpio.util.Validation; import org.slf4j.Logger; @@ -127,11 +129,14 @@ public class BgpPathAttributes { case LocalPref.LOCAL_PREF_TYPE: pathAttribute = LocalPref.read(cb); break; - case MPREACHNLRI_TYPE: - //TODO: To be merged later + case MpReachNlri.MPREACHNLRI_TYPE: + pathAttribute = MpReachNlri.read(cb); + isMpReach = ((MpReachNlri) pathAttribute).isMpReachNlriSet(); break; - case MPUNREACHNLRI_TYPE: - //TODO: To be merged later + case MpUnReachNlri.MPUNREACHNLRI_TYPE: + pathAttribute = MpUnReachNlri.read(cb); + isMpUnReach = ((MpUnReachNlri) pathAttribute) + .isMpUnReachNlriSet(); break; case LINK_STATE_ATTRIBUTE_TYPE: //TODO: To be merged later diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpUpdateMsgVer4.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpUpdateMsgVer4.java new file mode 100644 index 00000000..9f4cf9b9 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpUpdateMsgVer4.java @@ -0,0 +1,285 @@ +/* + * 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.protocol.ver4; + +import java.util.LinkedList; +import java.util.List; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onlab.packet.IpPrefix; +import org.onosproject.bgpio.exceptions.BGPParseException; +import org.onosproject.bgpio.protocol.BGPMessageReader; +import org.onosproject.bgpio.protocol.BGPType; +import org.onosproject.bgpio.protocol.BgpUpdateMsg; +import org.onosproject.bgpio.types.BGPErrorType; +import org.onosproject.bgpio.types.BGPHeader; +import org.onosproject.bgpio.util.Validation; +import org.onosproject.bgpio.protocol.BGPVersion; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +/** + * BGP Update Message: UPDATE messages are used to transfer routing information + * between BGP peers. The information in the UPDATE message is used by core to + * construct a graph + */ +public class BgpUpdateMsgVer4 implements BgpUpdateMsg { + + /* 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 + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | | + + + + | | + + + + | Marker | + + + + | | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Length | Type | + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Withdrawn Routes Length (2 octets) | + +-----------------------------------------------------+ + | Withdrawn Routes (variable) | + +-----------------------------------------------------+ + | Total Path Attribute Length (2 octets) | + +-----------------------------------------------------+ + | Path Attributes (variable) | + +-----------------------------------------------------+ + | Network Layer Reachability Information (variable) | + +-----------------------------------------------------+ + REFERENCE : RFC 4271 + */ + + protected static final Logger log = LoggerFactory + .getLogger(BgpUpdateMsgVer4.class); + + public static final byte PACKET_VERSION = 4; + //Withdrawn Routes Length(2) + Total Path Attribute Length(2) + public static final int PACKET_MINIMUM_LENGTH = 4; + public static final int BYTE_IN_BITS = 8; + public static final int MIN_LEN_AFTER_WITHDRW_ROUTES = 2; + public static final int MINIMUM_COMMON_HEADER_LENGTH = 19; + public static final BGPType MSG_TYPE = BGPType.UPDATE; + public static final BgpUpdateMsgVer4.Reader READER = new Reader(); + + private List<IpPrefix> withdrawnRoutes; + private BgpPathAttributes bgpPathAttributes; + private BGPHeader bgpHeader; + private List<IpPrefix> nlri; + + /** + * Constructor to initialize parameters for BGP Update message. + * + * @param bgpHeader in Update message + * @param withdrawnRoutes withdrawn routes + * @param bgpPathAttributes BGP Path attributes + * @param nlri Network Layer Reachability Information + */ + public BgpUpdateMsgVer4(BGPHeader bgpHeader, List<IpPrefix> withdrawnRoutes, + BgpPathAttributes bgpPathAttributes, List<IpPrefix> nlri) { + this.bgpHeader = bgpHeader; + this.withdrawnRoutes = withdrawnRoutes; + this.bgpPathAttributes = bgpPathAttributes; + this.nlri = nlri; + } + + /** + * Reader reads BGP Update Message from the channel buffer. + */ + static class Reader implements BGPMessageReader<BgpUpdateMsg> { + + @Override + public BgpUpdateMsg readFrom(ChannelBuffer cb, BGPHeader bgpHeader) + throws BGPParseException { + + if (cb.readableBytes() != (bgpHeader.getLength() - MINIMUM_COMMON_HEADER_LENGTH)) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.BAD_MESSAGE_LENGTH, bgpHeader.getLength()); + } + + LinkedList<IpPrefix> withDrwRoutes = new LinkedList<>(); + LinkedList<IpPrefix> nlri = new LinkedList<>(); + BgpPathAttributes bgpPathAttributes = new BgpPathAttributes(); + // Reading Withdrawn Routes Length + Short withDrwLen = cb.readShort(); + + if (cb.readableBytes() < withDrwLen) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.MALFORMED_ATTRIBUTE_LIST, + cb.readableBytes()); + } + ChannelBuffer tempCb = cb.readBytes(withDrwLen); + if (withDrwLen != 0) { + // Parsing WithdrawnRoutes + withDrwRoutes = parseWithdrawnRoutes(tempCb); + } + if (cb.readableBytes() < MIN_LEN_AFTER_WITHDRW_ROUTES) { + log.debug("Bgp Path Attribute len field not present"); + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.MALFORMED_ATTRIBUTE_LIST, null); + } + + // Reading Total Path Attribute Length + short totPathAttrLen = cb.readShort(); + int len = withDrwLen + totPathAttrLen + PACKET_MINIMUM_LENGTH; + if (len > bgpHeader.getLength()) { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.MALFORMED_ATTRIBUTE_LIST, null); + } + if (totPathAttrLen != 0) { + // Parsing BGPPathAttributes + if (cb.readableBytes() < totPathAttrLen) { + Validation + .validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.MALFORMED_ATTRIBUTE_LIST, + cb.readableBytes()); + } + tempCb = cb.readBytes(totPathAttrLen); + bgpPathAttributes = BgpPathAttributes.read(tempCb); + } + if (cb.readableBytes() > 0) { + // Parsing NLRI + nlri = parseNlri(cb); + } + return new BgpUpdateMsgVer4(bgpHeader, withDrwRoutes, + bgpPathAttributes, nlri); + } + } + + /** + * Parses NLRI from channel buffer. + * + * @param cb channelBuffer + * @return list of IP Prefix + * @throws BGPParseException while parsing NLRI + */ + public static LinkedList<IpPrefix> parseNlri(ChannelBuffer cb) + throws BGPParseException { + LinkedList<IpPrefix> nlri = new LinkedList<>(); + while (cb.readableBytes() > 0) { + int length = cb.readByte(); + IpPrefix ipPrefix; + if (length == 0) { + byte[] prefix = new byte[] {0}; + ipPrefix = Validation.bytesToPrefix(prefix, length); + nlri.add(ipPrefix); + } else { + int len = length / BYTE_IN_BITS; + int reminder = length % BYTE_IN_BITS; + if (reminder > 0) { + len = len + 1; + } + if (cb.readableBytes() < len) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.MALFORMED_ATTRIBUTE_LIST, + cb.readableBytes()); + } + byte[] prefix = new byte[len]; + cb.readBytes(prefix, 0, len); + ipPrefix = Validation.bytesToPrefix(prefix, length); + nlri.add(ipPrefix); + } + } + return nlri; + } + + /** + * Parsing withdrawn routes from channel buffer. + * + * @param cb channelBuffer + * @return list of IP prefix + * @throws BGPParseException while parsing withdrawn routes + */ + public static LinkedList<IpPrefix> parseWithdrawnRoutes(ChannelBuffer cb) + throws BGPParseException { + LinkedList<IpPrefix> withDrwRoutes = new LinkedList<>(); + while (cb.readableBytes() > 0) { + int length = cb.readByte(); + IpPrefix ipPrefix; + if (length == 0) { + byte[] prefix = new byte[] {0}; + ipPrefix = Validation.bytesToPrefix(prefix, length); + withDrwRoutes.add(ipPrefix); + } else { + int len = length / BYTE_IN_BITS; + int reminder = length % BYTE_IN_BITS; + if (reminder > 0) { + len = len + 1; + } + if (cb.readableBytes() < len) { + Validation + .validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.MALFORMED_ATTRIBUTE_LIST, + cb.readableBytes()); + } + byte[] prefix = new byte[len]; + cb.readBytes(prefix, 0, len); + ipPrefix = Validation.bytesToPrefix(prefix, length); + withDrwRoutes.add(ipPrefix); + } + } + return withDrwRoutes; + } + + @Override + public BGPVersion getVersion() { + return BGPVersion.BGP_4; + } + + @Override + public BGPType getType() { + return BGPType.UPDATE; + } + + @Override + public void writeTo(ChannelBuffer channelBuffer) throws BGPParseException { + //Not to be implemented as of now + } + + @Override + public BgpPathAttributes bgpPathAttributes() { + return this.bgpPathAttributes; + } + + @Override + public List<IpPrefix> withdrawnRoutes() { + return withdrawnRoutes; + } + + @Override + public List<IpPrefix> nlri() { + return nlri; + } + + @Override + public BGPHeader getHeader() { + return this.bgpHeader; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .omitNullValues() + .add("bgpHeader", bgpHeader) + .add("withDrawnRoutes", withdrawnRoutes) + .add("nlri", nlri) + .add("bgpPathAttributes", bgpPathAttributes) + .toString(); + } +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java index 90e94e88..e9df3999 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/As4Path.java @@ -21,6 +21,7 @@ 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; @@ -34,8 +35,6 @@ 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; - public static final int TYPE_AND_LEN_AS_SHORT = 4; - public static final int TYPE_AND_LEN_AS_BYTE = 3; private List<Integer> as4pathSet; private List<Integer> as4pathSeq; @@ -77,8 +76,8 @@ public class As4Path implements BGPValueType { 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() + TYPE_AND_LEN_AS_SHORT : validation - .getLength() + TYPE_AND_LEN_AS_BYTE; + 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); diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AsPath.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AsPath.java index 100e14d7..e3eb2c51 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AsPath.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/AsPath.java @@ -22,6 +22,7 @@ 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; @@ -53,7 +54,7 @@ public class AsPath implements BGPValueType { * * @return AS type */ - public byte getType() { + public byte type() { return (byte) value; } } @@ -63,8 +64,6 @@ public class AsPath implements BGPValueType { public static final byte ASPATH_SET_TYPE = 1; public static final byte ASPATH_SEQ_TYPE = 2; public static final byte ASNUM_SIZE = 2; - public static final int TYPE_AND_LEN_AS_SHORT = 4; - public static final int TYPE_AND_LEN_AS_BYTE = 3; private boolean isAsPath = false; private List<Short> aspathSet; @@ -108,8 +107,8 @@ public class AsPath implements BGPValueType { 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() + TYPE_AND_LEN_AS_SHORT : validation - .getLength() + TYPE_AND_LEN_AS_BYTE; + 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); diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BGPErrorType.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BGPErrorType.java index f643ae00..dfcfc9dc 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BGPErrorType.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BGPErrorType.java @@ -28,8 +28,8 @@ public final class BGPErrorType { public static final byte OPEN_MESSAGE_ERROR = 2; public static final byte UPDATE_MESSAGE_ERROR = 3; public static final byte HOLD_TIMER_EXPIRED = 4; - public static final byte FINITE_STATE_MACHINE_ERROR = 4; - public static final byte CEASE = 5; + public static final byte FINITE_STATE_MACHINE_ERROR = 5; + public static final byte CEASE = 6; //Message Header Error subcodes public static final byte CONNECTION_NOT_SYNCHRONIZED = 1; @@ -42,6 +42,7 @@ public final class BGPErrorType { public static final byte BAD_BGP_IDENTIFIER = 3; public static final byte UNSUPPORTED_OPTIONAL_PARAMETER = 4; public static final byte UNACCEPTABLE_HOLD_TIME = 5; + public static final byte UNSUPPORTED_CAPABILITY = 7; //UPDATE Message Error subcodes public static final byte MALFORMED_ATTRIBUTE_LIST = 1; @@ -54,4 +55,20 @@ public final class BGPErrorType { public static final byte OPTIONAL_ATTRIBUTE_ERROR = 9; public static final byte INVALID_NETWORK_FIELD = 10; public static final byte MALFORMED_ASPATH = 11; + + //FSM Error subcodes + public static final byte UNSPECIFIED_ERROR = 0; + public static final byte RECEIVE_UNEXPECTED_MESSAGE_IN_OPENSENT_STATE = 1; + public static final byte RECEIVE_UNEXPECTED_MESSAGE_IN_OPENCONFIRM_STATE = 2; + public static final byte RECEIVE_UNEXPECTED_MESSAGE_IN_ESTABLISHED_STATE = 3; + + //Cease Error subcodes + public static final byte MAXIMUM_NUMBER_OF_PREFIXES_REACHED = 1; + public static final byte ADMINISTRATIVE_SHUTDOWN = 2; + public static final byte PEER_DECONFIGURED = 3; + public static final byte ADMINISTRATIVE_RESET = 4; + public static final byte CONNECTION_REJECTED = 5; + public static final byte OTHER_CONFIGURATION_CHANGE = 6; + public static final byte CONNECTION_COLLISION_RESOLUTION = 7; + public static final byte OUT_OF_RESOURCES = 8; }
\ No newline at end of file diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java index 85fb748b..59afbed6 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java @@ -15,6 +15,7 @@ */ package org.onosproject.bgpio.types; +import java.util.Arrays; import java.util.Objects; import org.jboss.netty.buffer.ChannelBuffer; @@ -86,7 +87,7 @@ public class IPReachabilityInformationTlv implements BGPValueType { @Override public int hashCode() { - return Objects.hash(ipPrefix, prefixLen); + return Objects.hash(Arrays.hashCode(ipPrefix), prefixLen); } @Override @@ -97,7 +98,7 @@ public class IPReachabilityInformationTlv implements BGPValueType { if (obj instanceof IPReachabilityInformationTlv) { IPReachabilityInformationTlv other = (IPReachabilityInformationTlv) obj; - return Objects.equals(prefixLen, other.prefixLen) && Objects.equals(ipPrefix, other.ipPrefix); + return Objects.equals(prefixLen, other.prefixLen) && Arrays.equals(ipPrefix, other.ipPrefix); } return false; } diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv4AddressTlv.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv4AddressTlv.java new file mode 100644 index 00000000..d5f03268 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv4AddressTlv.java @@ -0,0 +1,128 @@ +/* + * 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.net.InetAddress; +import java.util.Objects; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onlab.packet.Ip4Address; +import org.onosproject.bgpio.exceptions.BGPParseException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; +import com.google.common.base.Preconditions; + +/** + * Provides Implementation of IPv4AddressTlv. + */ +public class IPv4AddressTlv implements BGPValueType { + private static final Logger log = LoggerFactory.getLogger(IPv4AddressTlv.class); + private static final int LENGTH = 4; + + private Ip4Address address; + private short type; + + /** + * Constructor to initialize parameters. + * + * @param address Ipv4 address of interface/neighbor + * @param type address type + */ + public IPv4AddressTlv(Ip4Address address, short type) { + this.address = Preconditions.checkNotNull(address); + this.type = type; + } + + /** + * Returns Ipv4 address of interface/neighbor. + * + * @return Ipv4 address of interface/neighbor + */ + public Ip4Address getValue() { + return address; + } + + @Override + public short getType() { + return this.type; + } + + @Override + public int hashCode() { + return Objects.hash(address); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof IPv4AddressTlv) { + IPv4AddressTlv other = (IPv4AddressTlv) obj; + return Objects.equals(this.address, other.address) && Objects.equals(this.type, other.type); + } + return false; + } + + @Override + public int write(ChannelBuffer cb) { + int iLenStartIndex = cb.writerIndex(); + cb.writeShort(type); + cb.writeShort(LENGTH); + cb.writeInt(address.toInt()); + return cb.writerIndex() - iLenStartIndex; + } + + /** + * Reads the channel buffer and returns object of IPv4AddressTlv. + * + * @param cb channelBuffer + * @param type address type + * @return object of IPv4AddressTlv + * @throws BGPParseException while parsing IPv4AddressTlv + */ + public static IPv4AddressTlv read(ChannelBuffer cb, short type) throws BGPParseException { + //TODO: use Validation.toInetAddress once Validation is merged + InetAddress ipAddress = (InetAddress) cb.readBytes(LENGTH); + if (ipAddress.isMulticastAddress()) { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, (byte) 0, null); + } + Ip4Address address = Ip4Address.valueOf(ipAddress); + return IPv4AddressTlv.of(address, type); + } + + /** + * Returns object of this class with specified values. + * + * @param address Ipv4 interface/neighbor Address + * @param type says Ipv4 address of interface/neighbor tlv type + * @return object of this class + */ + public static IPv4AddressTlv of(final Ip4Address address , final short type) { + return new IPv4AddressTlv(address, type); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("type", type) + .add("LENGTH", LENGTH) + .add("address", address) + .toString(); + } +}
\ No newline at end of file diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv6AddressTlv.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv6AddressTlv.java new file mode 100644 index 00000000..65b7c16d --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv6AddressTlv.java @@ -0,0 +1,128 @@ +/* + * 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.net.InetAddress; +import java.util.Objects; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onlab.packet.Ip6Address; +import org.onosproject.bgpio.exceptions.BGPParseException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; +import com.google.common.base.Preconditions; + +/** + * Provides Implementation of IPv6AddressTlv. + */ +public class IPv6AddressTlv implements BGPValueType { + private static final Logger log = LoggerFactory.getLogger(IPv6AddressTlv.class); + private static final int LENGTH = 16; + + private final Ip6Address address; + private short type; + + /** + * Constructor to initialize parameters. + * + * @param address Ipv6 address of interface/neighbor + * @param type address type + */ + public IPv6AddressTlv(Ip6Address address, short type) { + this.address = Preconditions.checkNotNull(address); + this.type = type; + } + + /** + * Returns Ipv6 address of interface/neighbor. + * + * @return Ipv6 address of interface/neighbor + */ + public Ip6Address getValue() { + return address; + } + + @Override + public short getType() { + return type; + } + + @Override + public int hashCode() { + return Objects.hash(address); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof IPv6AddressTlv) { + IPv6AddressTlv other = (IPv6AddressTlv) obj; + return Objects.equals(this.address, other.address) && Objects.equals(this.type, other.type); + } + return false; + } + + @Override + public int write(ChannelBuffer cb) { + int iLenStartIndex = cb.writerIndex(); + cb.writeShort(type); + cb.writeShort(LENGTH); + cb.writeBytes(address.toOctets()); + return cb.writerIndex() - iLenStartIndex; + } + + /** + * Reads the channel buffer and returns object of IPv6AddressTlv. + * + * @param cb channelBuffer + * @param type address type + * @return object of IPv6AddressTlv + * @throws BGPParseException while parsing IPv6AddressTlv + */ + public static IPv6AddressTlv read(ChannelBuffer cb, short type) throws BGPParseException { + //TODO: use Validation.toInetAddress once Validation is merged + InetAddress ipAddress = (InetAddress) cb.readBytes(LENGTH); + if (ipAddress.isMulticastAddress()) { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, (byte) 0, null); + } + Ip6Address address = Ip6Address.valueOf(ipAddress); + return IPv6AddressTlv.of(address, type); + } + + /** + * Returns object of this class with specified values. + * + * @param address Ipv6 interface/neighbor address + * @param type says Ipv6 address of interface/neighbor tlv type + * @return object of this class + */ + public static IPv6AddressTlv of(final Ip6Address address , final short type) { + return new IPv6AddressTlv(address, type); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("type", type) + .add("LENGTH", LENGTH) + .add("address", address) + .toString(); + } +}
\ No newline at end of file diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IsIsPseudonode.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IsIsPseudonode.java index 5c742d0f..35fd2493 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IsIsPseudonode.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IsIsPseudonode.java @@ -15,6 +15,9 @@ */ package org.onosproject.bgpio.types; +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; import java.util.Objects; import org.jboss.netty.buffer.ChannelBuffer; @@ -28,12 +31,12 @@ import com.google.common.base.MoreObjects; * Provides implementation of IsIsPseudonode Tlv. */ public class IsIsPseudonode implements IGPRouterID, BGPValueType { - protected static final Logger log = LoggerFactory.getLogger(IsIsPseudonode.class); + private static final Logger log = LoggerFactory.getLogger(IsIsPseudonode.class); public static final short TYPE = 515; public static final short LENGTH = 7; - private final byte[] isoNodeID; + private final List<Byte> isoNodeID; private byte psnIdentifier; /** @@ -42,7 +45,7 @@ public class IsIsPseudonode implements IGPRouterID, BGPValueType { * @param isoNodeID ISO system-ID * @param psnIdentifier PSN identifier */ - public IsIsPseudonode(byte[] isoNodeID, byte psnIdentifier) { + public IsIsPseudonode(List<Byte> isoNodeID, byte psnIdentifier) { this.isoNodeID = isoNodeID; this.psnIdentifier = psnIdentifier; } @@ -54,7 +57,8 @@ public class IsIsPseudonode implements IGPRouterID, BGPValueType { * @param psnIdentifier PSN identifier * @return object of IsIsPseudonode */ - public static IsIsPseudonode of(final byte[] isoNodeID, final byte psnIdentifier) { + public static IsIsPseudonode of(final List<Byte> isoNodeID, + final byte psnIdentifier) { return new IsIsPseudonode(isoNodeID, psnIdentifier); } @@ -63,7 +67,7 @@ public class IsIsPseudonode implements IGPRouterID, BGPValueType { * * @return ISO NodeID */ - public byte[] getISONodeID() { + public List<Byte> getISONodeID() { return isoNodeID; } @@ -78,7 +82,7 @@ public class IsIsPseudonode implements IGPRouterID, BGPValueType { @Override public int hashCode() { - return Objects.hash(isoNodeID, psnIdentifier); + return Objects.hash(isoNodeID) & Objects.hash(psnIdentifier); } @Override @@ -87,8 +91,27 @@ public class IsIsPseudonode implements IGPRouterID, BGPValueType { return true; } if (obj instanceof IsIsPseudonode) { + int countObjSubTlv = 0; + int countOtherSubTlv = 0; + boolean isCommonSubTlv = true; IsIsPseudonode other = (IsIsPseudonode) obj; - return Objects.equals(isoNodeID, other.isoNodeID) && Objects.equals(psnIdentifier, other.psnIdentifier); + Iterator<Byte> objListIterator = other.isoNodeID.iterator(); + countOtherSubTlv = other.isoNodeID.size(); + countObjSubTlv = isoNodeID.size(); + if (countObjSubTlv != countOtherSubTlv) { + return false; + } else { + while (objListIterator.hasNext() && isCommonSubTlv) { + Byte subTlv = objListIterator.next(); + if (isoNodeID.contains(subTlv) && other.isoNodeID.contains(subTlv)) { + isCommonSubTlv = Objects.equals(isoNodeID.get(isoNodeID.indexOf(subTlv)), + other.isoNodeID.get(other.isoNodeID.indexOf(subTlv))); + } else { + isCommonSubTlv = false; + } + } + return isCommonSubTlv && Objects.equals(psnIdentifier, other.psnIdentifier); + } } return false; } @@ -98,7 +121,11 @@ public class IsIsPseudonode implements IGPRouterID, BGPValueType { int iLenStartIndex = c.writerIndex(); c.writeShort(TYPE); c.writeShort(LENGTH); - c.writeBytes(isoNodeID); + Iterator<Byte> objListIterator = isoNodeID.iterator(); + while (objListIterator.hasNext()) { + byte value = objListIterator.next(); + c.writeByte(value); + } c.writeByte(psnIdentifier); return c.writerIndex() - iLenStartIndex; } @@ -110,8 +137,12 @@ public class IsIsPseudonode implements IGPRouterID, BGPValueType { * @return object of IsIsPseudonode */ public static IsIsPseudonode read(ChannelBuffer cb) { - byte[] isoNodeID = new byte[LENGTH - 1]; - cb.readBytes(isoNodeID, 0, LENGTH - 1); + List<Byte> isoNodeID = new ArrayList<Byte>(); + byte value; + for (int i = 0; i < LENGTH; i++) { + value = cb.readByte(); + isoNodeID.add(value); + } byte psnIdentifier = cb.readByte(); return IsIsPseudonode.of(isoNodeID, psnIdentifier); } diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/LinkLocalRemoteIdentifiersTlv.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/LinkLocalRemoteIdentifiersTlv.java new file mode 100644 index 00000000..988925f5 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/LinkLocalRemoteIdentifiersTlv.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 org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.common.base.MoreObjects; + +/** + * Provides Implementation of Link Local/Remote IdentifiersTlv. + */ +public class LinkLocalRemoteIdentifiersTlv implements BGPValueType { + private static final Logger log = LoggerFactory.getLogger(LinkLocalRemoteIdentifiersTlv.class); + public static final short TYPE = 258; + private static final int LENGTH = 8; + + private final int linkLocalIdentifer; + private final int linkRemoteIdentifer; + + /** + * Constructor to initialize parameters. + * + * @param linkLocalIdentifer link local Identifer + * @param linkRemoteIdentifer link remote Identifer + */ + public LinkLocalRemoteIdentifiersTlv(int linkLocalIdentifer, int linkRemoteIdentifer) { + this.linkLocalIdentifer = linkLocalIdentifer; + this.linkRemoteIdentifer = linkRemoteIdentifer; + } + + /** + * Returns link remote Identifer. + * + * @return link remote Identifer + */ + public int getLinkRemoteIdentifier() { + return linkRemoteIdentifer; + } + + /** + * Returns link local Identifer. + * + * @return link local Identifer + */ + public int getLinkLocalIdentifier() { + return linkLocalIdentifer; + } + + @Override + public short getType() { + return TYPE; + } + + @Override + public int hashCode() { + return Objects.hash(linkLocalIdentifer, linkRemoteIdentifer); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof LinkLocalRemoteIdentifiersTlv) { + LinkLocalRemoteIdentifiersTlv other = (LinkLocalRemoteIdentifiersTlv) obj; + return Objects.equals(this.linkLocalIdentifer, other.linkLocalIdentifer) + && Objects.equals(this.linkRemoteIdentifer, other.linkRemoteIdentifer); + } + return false; + } + + @Override + public int write(ChannelBuffer cb) { + int iLenStartIndex = cb.writerIndex(); + cb.writeShort(TYPE); + cb.writeShort(LENGTH); + cb.writeInt(linkLocalIdentifer); + cb.writeInt(linkRemoteIdentifer); + return cb.writerIndex() - iLenStartIndex; + } + + /** + * Reads the channel buffer and returns object of LinkLocalRemoteIdentifiersTlv. + * + * @param cb channelBuffer + * @return object of LinkLocalRemoteIdentifiersTlv + */ + public static LinkLocalRemoteIdentifiersTlv read(ChannelBuffer cb) { + int linkLocalIdentifer = cb.readInt(); + int linkRemoteIdentifer = cb.readInt(); + return LinkLocalRemoteIdentifiersTlv.of(linkLocalIdentifer, linkRemoteIdentifer); + } + + /** + * Returns object of this class with specified link local identifer and link remote identifer. + * + * @param linkLocalIdentifer link local identifier + * @param linkRemoteIdentifer link remote identifier + * @return object of LinkLocalRemoteIdentifiersTlv + */ + public static LinkLocalRemoteIdentifiersTlv of(final int linkLocalIdentifer, final int linkRemoteIdentifer) { + return new LinkLocalRemoteIdentifiersTlv(linkLocalIdentifer, linkRemoteIdentifer); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("TYPE", TYPE) + .add("LENGTH", LENGTH) + .add("linkLocalIdentifer", linkLocalIdentifer) + .add("linkRemoteIdentifer", linkRemoteIdentifer) + .toString(); + } +}
\ No newline at end of file diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/LocalPref.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/LocalPref.java index 048d81ee..0f78ab77 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/LocalPref.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/LocalPref.java @@ -19,9 +19,8 @@ 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; @@ -29,11 +28,7 @@ import com.google.common.base.MoreObjects; * Provides implementation of LocalPref BGP Path Attribute. */ public class LocalPref implements BGPValueType { - - private static final Logger log = LoggerFactory.getLogger(LocalPref.class); public static final byte LOCAL_PREF_TYPE = 5; - public static final int TYPE_AND_LEN_AS_SHORT = 4; - public static final int TYPE_AND_LEN_AS_BYTE = 3; public static final byte LOCAL_PREF_MAX_LEN = 4; private int localPref; @@ -72,8 +67,8 @@ public class LocalPref implements BGPValueType { parseFlags.getLength()); } - int len = parseFlags.isShort() ? parseFlags.getLength() + TYPE_AND_LEN_AS_SHORT : parseFlags.getLength() - + TYPE_AND_LEN_AS_BYTE; + int len = parseFlags.isShort() ? parseFlags.getLength() + + Constants.TYPE_AND_LEN_AS_SHORT : parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_BYTE; ChannelBuffer data = tempCb.readBytes(len); if (parseFlags.getFirstBit()) { throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_FLAGS_ERROR, data); diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Med.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Med.java index 49e1fc5a..23402c26 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Med.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Med.java @@ -19,9 +19,8 @@ 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; @@ -29,10 +28,7 @@ import com.google.common.base.MoreObjects; * Provides Implementation of Med BGP Path Attribute. */ public class Med implements BGPValueType { - private static final Logger log = LoggerFactory.getLogger(Med.class); public static final byte MED_TYPE = 4; - public static final int TYPE_AND_LEN_AS_SHORT = 4; - public static final int TYPE_AND_LEN_AS_BYTE = 3; public static final byte MED_MAX_LEN = 4; private int med; @@ -71,8 +67,8 @@ public class Med implements BGPValueType { Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_LENGTH_ERROR, parseFlags.getLength()); } - int len = parseFlags.isShort() ? parseFlags.getLength() + TYPE_AND_LEN_AS_SHORT : parseFlags - .getLength() + TYPE_AND_LEN_AS_BYTE; + int len = parseFlags.isShort() ? parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_SHORT : parseFlags + .getLength() + Constants.TYPE_AND_LEN_AS_BYTE; ChannelBuffer data = tempCb.readBytes(len); if (!parseFlags.getFirstBit() && parseFlags.getSecondBit() && parseFlags.getThirdBit()) { throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_FLAGS_ERROR, data); diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MpReachNlri.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MpReachNlri.java new file mode 100644 index 00000000..fe99d28d --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MpReachNlri.java @@ -0,0 +1,219 @@ +/* + * 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.net.InetAddress; +import java.util.LinkedList; +import java.util.List; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onlab.packet.Ip4Address; +import org.onosproject.bgpio.exceptions.BGPParseException; +import org.onosproject.bgpio.protocol.BGPLSNlri; +import org.onosproject.bgpio.protocol.linkstate.BGPPrefixIPv4LSNlriVer4; +import org.onosproject.bgpio.protocol.linkstate.BGPNodeLSNlriVer4; +import org.onosproject.bgpio.protocol.linkstate.BgpLinkLsNlriVer4; +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 MpReach Nlri BGP Path Attribute. + */ +public class MpReachNlri implements BGPValueType { + + private static final Logger log = LoggerFactory.getLogger(MpReachNlri.class); + public static final byte MPREACHNLRI_TYPE = 14; + public static final byte LINK_NLRITYPE = 2; + + private boolean isMpReachNlri = false; + private final List<BGPLSNlri> mpReachNlri; + private final int length; + private final short afi; + private final byte safi; + private final Ip4Address ipNextHop; + + /** + * Constructor to initialize parameters. + * + * @param mpReachNlri MpReach Nlri attribute + * @param afi address family identifier + * @param safi subsequent address family identifier + * @param ipNextHop nexthop IpAddress + * @param length of MpReachNlri + */ + public MpReachNlri(List<BGPLSNlri> mpReachNlri, short afi, byte safi, Ip4Address ipNextHop, int length) { + this.mpReachNlri = mpReachNlri; + this.isMpReachNlri = true; + this.ipNextHop = ipNextHop; + this.afi = afi; + this.safi = safi; + this.length = length; + } + + /** + * Returns whether MpReachNlri is present. + * + * @return whether MpReachNlri is present + */ + public boolean isMpReachNlriSet() { + return this.isMpReachNlri; + } + + /** + * Returns list of MpReach Nlri. + * + * @return list of MpReach Nlri + */ + public List<BGPLSNlri> mpReachNlri() { + return this.mpReachNlri; + } + + /** + * Returns length of MpReachNlri. + * + * @return length of MpReachNlri + */ + public int mpReachNlriLen() { + return this.length; + } + + /** + * Reads from ChannelBuffer and parses MpReachNlri. + * + * @param cb channelBuffer + * @return object of MpReachNlri + * @throws BGPParseException while parsing MpReachNlri + */ + public static MpReachNlri read(ChannelBuffer cb) throws BGPParseException { + ChannelBuffer tempBuf = cb.copy(); + Validation parseFlags = Validation.parseAttributeHeader(cb); + int len = parseFlags.isShort() ? parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_SHORT : + parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_BYTE; + ChannelBuffer data = tempBuf.readBytes(len); + + if (cb.readableBytes() < parseFlags.getLength()) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + parseFlags.getLength()); + } + if (!parseFlags.getFirstBit() && parseFlags.getSecondBit() && parseFlags.getThirdBit()) { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_FLAGS_ERROR, data); + } + + BGPLSNlri bgpLSNlri = null; + List<BGPLSNlri> mpReachNlri = new LinkedList<>(); + ChannelBuffer tempCb = cb.readBytes(parseFlags.getLength()); + short afi = 0; + byte safi = 0; + Ip4Address ipNextHop = null; + while (tempCb.readableBytes() > 0) { + afi = tempCb.readShort(); + safi = tempCb.readByte(); + + //Supporting for AFI 16388 / SAFI 71 and VPN AFI 16388 / SAFI 128 + if ((afi == Constants.AFI_VALUE) && (safi == Constants.SAFI_VALUE) || (afi == Constants.AFI_VALUE) + && (safi == Constants.VPN_SAFI_VALUE)) { + byte nextHopLen = tempCb.readByte(); + InetAddress ipAddress = Validation.toInetAddress(nextHopLen, cb); + if (ipAddress.isMulticastAddress()) { + throw new BGPParseException("Multicast not supported"); + } + ipNextHop = Ip4Address.valueOf(ipAddress); + byte reserved = tempCb.readByte(); + + while (tempCb.readableBytes() > 0) { + short nlriType = tempCb.readShort(); + short totNlriLen = tempCb.readShort(); + if (tempCb.readableBytes() < totNlriLen) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, totNlriLen); + } + tempBuf = tempCb.readBytes(totNlriLen); + switch (nlriType) { + case BGPNodeLSNlriVer4.NODE_NLRITYPE: + bgpLSNlri = BGPNodeLSNlriVer4.read(tempBuf, afi, safi); + break; + case BgpLinkLsNlriVer4.LINK_NLRITYPE: + bgpLSNlri = BgpLinkLsNlriVer4.read(tempBuf, afi, safi); + break; + case BGPPrefixIPv4LSNlriVer4.PREFIX_IPV4_NLRITYPE: + bgpLSNlri = BGPPrefixIPv4LSNlriVer4.read(tempBuf, afi, safi); + break; + default: + log.debug("nlriType not supported" + nlriType); + } + mpReachNlri.add(bgpLSNlri); + } + } else { + throw new BGPParseException("Not Supporting afi " + afi + "safi " + safi); + } + } + return new MpReachNlri(mpReachNlri, afi, safi, ipNextHop, parseFlags.getLength()); + } + + @Override + public short getType() { + return MPREACHNLRI_TYPE; + } + + /** + * Returns AFI. + * + * @return AFI + */ + public short afi() { + return this.afi; + } + + /** + * Returns Nexthop IpAddress. + * + * @return Nexthop IpAddress + */ + public Ip4Address nexthop4() { + return this.ipNextHop; + } + + /** + * Returns SAFI. + * + * @return SAFI + */ + public byte safi() { + return this.safi; + } + + @Override + public int write(ChannelBuffer cb) { + //Not to be Implemented as of now + return 0; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("mpReachNlri", mpReachNlri) + .add("afi", afi) + .add("safi", safi) + .add("ipNextHop", ipNextHop) + .add("length", length) + .toString(); + } +}
\ No newline at end of file diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MpUnReachNlri.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MpUnReachNlri.java new file mode 100644 index 00000000..8763ec59 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/MpUnReachNlri.java @@ -0,0 +1,204 @@ +/* + * 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.LinkedList; +import java.util.List; + +import org.jboss.netty.buffer.ChannelBuffer; +import org.onosproject.bgpio.exceptions.BGPParseException; +import org.onosproject.bgpio.protocol.BGPLSNlri; +import org.onosproject.bgpio.protocol.linkstate.BGPNodeLSNlriVer4; +import org.onosproject.bgpio.protocol.linkstate.BGPPrefixIPv4LSNlriVer4; +import org.onosproject.bgpio.protocol.linkstate.BgpLinkLsNlriVer4; +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 MpUnReach Nlri BGP Path Attribute. + */ +public class MpUnReachNlri implements BGPValueType { + + private static final Logger log = LoggerFactory.getLogger(MpUnReachNlri.class); + public static final byte MPUNREACHNLRI_TYPE = 15; + public static final byte LINK_NLRITYPE = 2; + + private boolean isMpUnReachNlri = false; + private final short afi; + private final byte safi; + private final List<BGPLSNlri> mpUnReachNlri; + private final int length; + + /** + * Constructor to initialize parameters. + * + * @param mpUnReachNlri MpUnReach Nlri attribute + * @param afi address family identifier + * @param safi subsequent address family identifier + * @param length of MpUnReachNlri + */ + public MpUnReachNlri(List<BGPLSNlri> mpUnReachNlri, short afi, byte safi, + int length) { + this.mpUnReachNlri = mpUnReachNlri; + this.isMpUnReachNlri = true; + this.afi = afi; + this.safi = safi; + this.length = length; + } + + /** + * Reads from ChannelBuffer and parses MpUnReachNlri. + * + * @param cb ChannelBuffer + * @return object of MpUnReachNlri + * @throws BGPParseException while parsing MpUnReachNlri + */ + public static MpUnReachNlri read(ChannelBuffer cb) throws BGPParseException { + ChannelBuffer tempBuf = cb.copy(); + Validation parseFlags = Validation.parseAttributeHeader(cb); + int len = parseFlags.isShort() ? parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_SHORT + : parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_BYTE; + ChannelBuffer data = tempBuf.readBytes(len); + + if (!parseFlags.getFirstBit() && parseFlags.getSecondBit() + && parseFlags.getThirdBit()) { + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_FLAGS_ERROR, data); + } + + if (cb.readableBytes() < parseFlags.getLength()) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, parseFlags.getLength()); + } + + LinkedList<BGPLSNlri> mpUnReachNlri = new LinkedList<>(); + BGPLSNlri bgpLSNlri = null; + short afi = 0; + byte safi = 0; + ChannelBuffer tempCb = cb.readBytes(parseFlags.getLength()); + while (tempCb.readableBytes() > 0) { + afi = tempCb.readShort(); + safi = tempCb.readByte(); + + //Supporting only for AFI 16388 / SAFI 71 + if ((afi == Constants.AFI_VALUE) && (safi == Constants.SAFI_VALUE) + || (afi == Constants.AFI_VALUE) && (safi == Constants.VPN_SAFI_VALUE)) { + while (tempCb.readableBytes() > 0) { + short nlriType = tempCb.readShort(); + short totNlriLen = tempCb.readShort(); + if (tempCb.readableBytes() < totNlriLen) { + Validation.validateLen( + BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, totNlriLen); + } + tempBuf = tempCb.readBytes(totNlriLen); + switch (nlriType) { + case BGPNodeLSNlriVer4.NODE_NLRITYPE: + bgpLSNlri = BGPNodeLSNlriVer4.read(tempBuf, afi, safi); + break; + case BgpLinkLsNlriVer4.LINK_NLRITYPE: + bgpLSNlri = BgpLinkLsNlriVer4.read(tempBuf, afi, safi); + break; + case BGPPrefixIPv4LSNlriVer4.PREFIX_IPV4_NLRITYPE: + bgpLSNlri = BGPPrefixIPv4LSNlriVer4.read(tempBuf, afi, + safi); + break; + default: + log.debug("nlriType not supported" + nlriType); + } + mpUnReachNlri.add(bgpLSNlri); + } + } else { + //TODO: check with the values got from capability + throw new BGPParseException("Not Supporting afi " + afi + + "safi " + safi); + } + } + return new MpUnReachNlri(mpUnReachNlri, afi, safi, + parseFlags.getLength()); + } + + @Override + public short getType() { + return MPUNREACHNLRI_TYPE; + } + + /** + * Returns SAFI. + * + * @return SAFI + */ + public byte safi() { + return this.safi; + } + + /** + * Returns AFI. + * + * @return AFI + */ + public short afi() { + return this.afi; + } + + /** + * Returns list of MpUnReach Nlri. + * + * @return list of MpUnReach Nlri + */ + public List<BGPLSNlri> mpUnReachNlri() { + return this.mpUnReachNlri; + } + + /** + * Returns whether MpReachNlri is present. + * + * @return whether MpReachNlri is present + */ + public boolean isMpUnReachNlriSet() { + return this.isMpUnReachNlri; + } + + /** + * Returns length of MpUnReach. + * + * @return length of MpUnReach + */ + public int mpUnReachNlriLen() { + return this.length; + } + + @Override + public int write(ChannelBuffer cb) { + //Not to be Implemented as of now + return 0; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("mpReachNlri", mpUnReachNlri) + .add("afi", afi) + .add("safi", safi) + .add("length", length) + .toString(); + } +}
\ No newline at end of file diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/NextHop.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/NextHop.java index 353ec3d5..1d083b72 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/NextHop.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/NextHop.java @@ -21,9 +21,8 @@ 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.util.Constants; import org.onosproject.bgpio.util.Validation; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; import com.google.common.base.MoreObjects; import com.google.common.base.Preconditions; @@ -32,10 +31,7 @@ import com.google.common.base.Preconditions; * Implementation of NextHop BGP Path Attribute. */ public class NextHop implements BGPValueType { - private static final Logger log = LoggerFactory.getLogger(NextHop.class); public static final byte NEXTHOP_TYPE = 3; - public static final int TYPE_AND_LEN_AS_SHORT = 4; - public static final int TYPE_AND_LEN_AS_BYTE = 3; private boolean isNextHop = false; private Ip4Address nextHop; @@ -75,15 +71,14 @@ public class NextHop implements BGPValueType { Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_LENGTH_ERROR, parseFlags.getLength()); } - int len = parseFlags.isShort() ? parseFlags.getLength() + TYPE_AND_LEN_AS_SHORT : parseFlags - .getLength() + TYPE_AND_LEN_AS_BYTE; + int len = parseFlags.isShort() ? parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_SHORT : parseFlags + .getLength() + Constants.TYPE_AND_LEN_AS_BYTE; ChannelBuffer data = tempCb.readBytes(len); if (parseFlags.getFirstBit() && !parseFlags.getSecondBit() && parseFlags.getThirdBit()) { throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_FLAGS_ERROR, data); } - //TODO: use Validation.toInetAddress once Validation is merged - InetAddress ipAddress = (InetAddress) cb.readBytes(parseFlags.getLength()); + InetAddress ipAddress = Validation.toInetAddress(parseFlags.getLength(), cb); if (ipAddress.isMulticastAddress()) { throw new BGPParseException("Multicast address is not supported"); } diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Origin.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Origin.java index 3b2070de..2052e965 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Origin.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/Origin.java @@ -19,9 +19,8 @@ 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; @@ -29,7 +28,6 @@ import com.google.common.base.MoreObjects; * Provides Implementation of mandatory BGP Origin path attribute. */ public class Origin implements BGPValueType { - private static final Logger log = LoggerFactory.getLogger(Origin.class); /** * Enum to provide ORIGIN types. @@ -58,8 +56,6 @@ public class Origin implements BGPValueType { public static final byte ORIGIN_TYPE = 1; public static final byte ORIGIN_VALUE_LEN = 1; - public static final int TYPE_AND_LEN_AS_SHORT = 4; - public static final int TYPE_AND_LEN_AS_BYTE = 3; private boolean isOrigin = false; private byte origin; @@ -109,8 +105,8 @@ public class Origin implements BGPValueType { ChannelBuffer tempCb = cb.copy(); Validation parseFlags = Validation.parseAttributeHeader(cb); - int len = parseFlags.isShort() ? parseFlags.getLength() + TYPE_AND_LEN_AS_SHORT : parseFlags - .getLength() + TYPE_AND_LEN_AS_BYTE; + int len = parseFlags.isShort() ? parseFlags.getLength() + Constants.TYPE_AND_LEN_AS_SHORT : parseFlags + .getLength() + Constants.TYPE_AND_LEN_AS_BYTE; ChannelBuffer data = tempCb.readBytes(len); if ((parseFlags.getLength() > ORIGIN_VALUE_LEN) || (cb.readableBytes() < parseFlags.getLength())) { Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_LENGTH_ERROR, @@ -122,7 +118,7 @@ public class Origin implements BGPValueType { byte originValue; originValue = cb.readByte(); - if ((originValue != ORIGINTYPE.INCOMPLETE.value) || (originValue != ORIGINTYPE.IGP.value) || + if ((originValue != ORIGINTYPE.INCOMPLETE.value) && (originValue != ORIGINTYPE.IGP.value) && (originValue != ORIGINTYPE.EGP.value)) { throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.INVALID_ORIGIN_ATTRIBUTE, data); } diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeMultiTopologyId.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeMultiTopologyId.java index 194d6dac..4b704fb0 100644 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeMultiTopologyId.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeMultiTopologyId.java @@ -13,9 +13,10 @@ * See the License for the specific language governing permissions and * limitations under the License. */ - package org.onosproject.bgpio.types.attr; +import java.util.ArrayList; +import java.util.List; import java.util.Objects; import org.jboss.netty.buffer.ChannelBuffer; @@ -39,18 +40,28 @@ public class BgpAttrNodeMultiTopologyId implements BGPValueType { public static final int ATTRNODE_MULTITOPOLOGY = 263; /* Opaque Node Attribute */ - private short[] multiTopologyId; + private List<Short> multiTopologyId = new ArrayList<Short>(); /** * Constructor to initialize the Node attribute multi-topology ID. * * @param multiTopologyId multi-topology ID */ - BgpAttrNodeMultiTopologyId(short[] multiTopologyId) { + public BgpAttrNodeMultiTopologyId(List<Short> multiTopologyId) { this.multiTopologyId = multiTopologyId; } /** + * Returns object of this class with specified values. + * + * @param multiTopologyId Prefix Metric + * @return object of BgpAttrNodeMultiTopologyId + */ + public static BgpAttrNodeMultiTopologyId of(ArrayList<Short> multiTopologyId) { + return new BgpAttrNodeMultiTopologyId(multiTopologyId); + } + + /** * Reads the Multi-topology ID of Node attribute. * * @param cb ChannelBuffer @@ -59,21 +70,20 @@ public class BgpAttrNodeMultiTopologyId implements BGPValueType { */ public static BgpAttrNodeMultiTopologyId read(ChannelBuffer cb) throws BGPParseException { - - log.debug("BgpAttrNodeMultiTopologyId"); + ArrayList<Short> multiTopologyId = new ArrayList<Short>(); + short tempMultiTopologyId; short lsAttrLength = cb.readShort(); int len = lsAttrLength / 2; // Length is 2*n and n is the number of MT-IDs if (cb.readableBytes() < lsAttrLength) { Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, BGPErrorType.ATTRIBUTE_LENGTH_ERROR, - cb.readableBytes()); + lsAttrLength); } - short[] multiTopologyId; - multiTopologyId = new short[len]; for (int i = 0; i < len; i++) { - multiTopologyId[i] = cb.readShort(); + tempMultiTopologyId = cb.readShort(); + multiTopologyId.add(new Short(tempMultiTopologyId)); } return new BgpAttrNodeMultiTopologyId(multiTopologyId); @@ -84,7 +94,7 @@ public class BgpAttrNodeMultiTopologyId implements BGPValueType { * * @return multitopology ID */ - short[] getAttrMultiTopologyId() { + public List<Short> attrMultiTopologyId() { return multiTopologyId; } @@ -113,7 +123,7 @@ public class BgpAttrNodeMultiTopologyId implements BGPValueType { @Override public int write(ChannelBuffer cb) { - // TODO Auto-generated method stub + // TODO This will be implemented in the next version return 0; } diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrIsIsAdminstGrp.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrIsIsAdminstGrp.java new file mode 100644 index 00000000..086e8b06 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrIsIsAdminstGrp.java @@ -0,0 +1,130 @@ +/* + * 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.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 Is Is Administrative area. + */ +public final class BgpLinkAttrIsIsAdminstGrp implements BGPValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpLinkAttrIsIsAdminstGrp.class); + + public static final int ATTRLINK_PROTECTIONTYPE = 1088; + public static final int ISIS_ADMIN_DATA_LEN = 4; + + /* ISIS administrative group */ + private final long isisAdminGrp; + + /** + * Constructor to initialize the values. + * + * @param isisAdminGrp ISIS protocol admin group + */ + public BgpLinkAttrIsIsAdminstGrp(long isisAdminGrp) { + this.isisAdminGrp = isisAdminGrp; + } + + /** + * Returns object of this class with specified values. + * + * @param isisAdminGrp ISIS admin group + * @return object of BgpLinkAttrIsIsAdminstGrp + */ + public static BgpLinkAttrIsIsAdminstGrp of(final long isisAdminGrp) { + return new BgpLinkAttrIsIsAdminstGrp(isisAdminGrp); + } + + /** + * Reads the BGP link attributes of ISIS administrative group area. + * + * @param cb Channel buffer + * @return object of type BgpLinkAttrIsIsAdminstGrp + * @throws BGPParseException while parsing BgpLinkAttrIsIsAdminstGrp + */ + public static BgpLinkAttrIsIsAdminstGrp read(ChannelBuffer cb) + throws BGPParseException { + long isisAdminGrp; + short lsAttrLength = cb.readShort(); + + if ((lsAttrLength != ISIS_ADMIN_DATA_LEN) + || (cb.readableBytes() < lsAttrLength)) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + isisAdminGrp = cb.readUnsignedInt(); + + return BgpLinkAttrIsIsAdminstGrp.of(isisAdminGrp); + } + + /** + * Link attributes of ISIS administrative group area. + * + * @return long value of the administrative group area + */ + public long linkAttrIsIsAdminGrp() { + return isisAdminGrp; + } + + @Override + public short getType() { + return ATTRLINK_PROTECTIONTYPE; + } + + @Override + public int hashCode() { + return Objects.hash(isisAdminGrp); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpLinkAttrIsIsAdminstGrp) { + BgpLinkAttrIsIsAdminstGrp other = (BgpLinkAttrIsIsAdminstGrp) obj; + return Objects.equals(isisAdminGrp, other.isisAdminGrp); + } + 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()) + .add("isisAdminGrp", isisAdminGrp).toString(); + } +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrMaxLinkBandwidth.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrMaxLinkBandwidth.java new file mode 100644 index 00000000..a1f0198b --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrMaxLinkBandwidth.java @@ -0,0 +1,150 @@ +/* + * 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.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 Max Link bandwidth. + */ +public final class BgpLinkAttrMaxLinkBandwidth implements BGPValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpLinkAttrMaxLinkBandwidth.class); + + public static final int MAX_BANDWIDTH_LEN = 4; + public static final int NO_OF_BITS = 8; + + public short type; + + /* ISIS administrative group */ + private final float maxBandwidth; + + /** + * Constructor to initialize the values. + * + * @param maxBandwidth Maximum link bandwidth. + * @param type TLV type + */ + private BgpLinkAttrMaxLinkBandwidth(float maxBandwidth, short type) { + this.maxBandwidth = maxBandwidth; + this.type = type; + } + + /** + * Returns object of this class with specified values. + * + * @param maxBandwidth Maximum link bandwidth. + * @param type TLV type + * @return object of BgpLinkAttrMaxLinkBandwidth + */ + public static BgpLinkAttrMaxLinkBandwidth of(final float maxBandwidth, + final short type) { + return new BgpLinkAttrMaxLinkBandwidth(maxBandwidth, type); + } + + /** + * Reads the BGP link attributes of Maximum link bandwidth. + * + * @param cb Channel buffer + * @param type type of this tlv + * @return object of type BgpLinkAttrMaxLinkBandwidth + * @throws BGPParseException while parsing BgpLinkAttrMaxLinkBandwidth + */ + public static BgpLinkAttrMaxLinkBandwidth read(ChannelBuffer cb, short type) + throws BGPParseException { + float maxBandwidth; + short lsAttrLength = cb.readShort(); + + if ((lsAttrLength != MAX_BANDWIDTH_LEN) + || (cb.readableBytes() < lsAttrLength)) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + maxBandwidth = ieeeToFloatRead(cb.readInt()) * NO_OF_BITS; + + return BgpLinkAttrMaxLinkBandwidth.of(maxBandwidth, type); + } + + /** + * Returns Maximum link bandwidth. + * + * @return Maximum link bandwidth + */ + float linkAttrMaxLinkBandwidth() { + return maxBandwidth; + } + + /** + * Parse the IEEE floating point notation and returns it in normal float. + * + * @param iVal IEEE floating point number + * @return normal float + */ + static float ieeeToFloatRead(int iVal) { + iVal = (((iVal & 0xFF) << 24) | ((iVal & 0xFF00) << 8) + | ((iVal & 0xFF0000) >> 8) | ((iVal >> 24) & 0xFF)); + + return Float.intBitsToFloat(iVal); + } + + @Override + public short getType() { + return this.type; + } + + @Override + public int hashCode() { + return Objects.hash(maxBandwidth); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpLinkAttrMaxLinkBandwidth) { + BgpLinkAttrMaxLinkBandwidth other = (BgpLinkAttrMaxLinkBandwidth) obj; + return Objects.equals(maxBandwidth, other.maxBandwidth); + } + 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()) + .add("maxBandwidth", maxBandwidth).toString(); + } +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrName.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrName.java index 50591ecf..e44ba7e1 100755 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrName.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrName.java @@ -16,7 +16,6 @@ package org.onosproject.bgpio.types.attr; import java.util.Arrays; -import java.util.Objects; import org.jboss.netty.buffer.ChannelBuffer; import org.onosproject.bgpio.exceptions.BGPParseException; @@ -46,11 +45,21 @@ public class BgpLinkAttrName implements BGPValueType { * * @param linkName link name */ - BgpLinkAttrName(byte[] linkName) { + public BgpLinkAttrName(byte[] linkName) { this.linkName = Arrays.copyOf(linkName, linkName.length); } /** + * Returns object of this class with specified values. + * + * @param linkName Prefix Metric + * @return object of BgpLinkAttrName + */ + public static BgpLinkAttrName of(byte[] linkName) { + return new BgpLinkAttrName(linkName); + } + + /** * Reads the BGP link attributes Name. * * @param cb Channel buffer @@ -70,7 +79,7 @@ public class BgpLinkAttrName implements BGPValueType { linkName = new byte[lsAttrLength]; cb.readBytes(linkName); - return new BgpLinkAttrName(linkName); + return BgpLinkAttrName.of(linkName); } /** @@ -78,7 +87,7 @@ public class BgpLinkAttrName implements BGPValueType { * * @return link name */ - byte[] getAttrLinkName() { + public byte[] attrLinkName() { return linkName; } @@ -89,7 +98,7 @@ public class BgpLinkAttrName implements BGPValueType { @Override public int hashCode() { - return Objects.hash(linkName); + return Arrays.hashCode(linkName); } @Override @@ -100,7 +109,7 @@ public class BgpLinkAttrName implements BGPValueType { if (obj instanceof BgpLinkAttrName) { BgpLinkAttrName other = (BgpLinkAttrName) obj; - return Objects.equals(linkName, other.linkName); + return Arrays.equals(linkName, other.linkName); } return false; } diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrOpaqLnkAttrib.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrOpaqLnkAttrib.java new file mode 100755 index 00000000..258598be --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrOpaqLnkAttrib.java @@ -0,0 +1,133 @@ +/* + * 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 link opaque attribute. + */ +public final class BgpLinkAttrOpaqLnkAttrib implements BGPValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpLinkAttrOpaqLnkAttrib.class); + + public static final int ATTRNODE_OPAQUELNKATTRIB = 1097; + + /* Opaque Node Attribute */ + private final byte[] opaqueLinkAttribute; + + /** + * Constructor to initialize the data. + * + * @param opaqueLinkAttribute opaque link attribute + */ + private BgpLinkAttrOpaqLnkAttrib(byte[] opaqueLinkAttribute) { + this.opaqueLinkAttribute = Arrays.copyOf(opaqueLinkAttribute, + opaqueLinkAttribute.length); + } + + /** + * Returns object of this class with specified values. + * + * @param opaqueLinkAttribute opaque link attribute + * @return object of BgpLinkAttrOpaqLnkAttrib + */ + public static BgpLinkAttrOpaqLnkAttrib of(final byte[] opaqueLinkAttribute) { + return new BgpLinkAttrOpaqLnkAttrib(opaqueLinkAttribute); + } + + /** + * Reads the BGP link attributes Opaque link attribute. + * + * @param cb Channel buffer + * @return object of type BgpLinkAttrOpaqLnkAttrib + * @throws BGPParseException while parsing BgpLinkAttrOpaqLnkAttrib + */ + public static BgpLinkAttrOpaqLnkAttrib read(ChannelBuffer cb) + throws BGPParseException { + + byte[] opaqueLinkAttribute; + + short lsAttrLength = cb.readShort(); + + if (cb.readableBytes() < lsAttrLength) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + opaqueLinkAttribute = new byte[lsAttrLength]; + cb.readBytes(opaqueLinkAttribute); + + return BgpLinkAttrOpaqLnkAttrib.of(opaqueLinkAttribute); + } + + /** + * Returns the Opaque link attribute. + * + * @return byte array of opaque link attribute. + */ + public byte[] attrOpaqueLnk() { + return opaqueLinkAttribute; + } + + @Override + public short getType() { + return ATTRNODE_OPAQUELNKATTRIB; + } + + @Override + public int hashCode() { + return Arrays.hashCode(opaqueLinkAttribute); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpLinkAttrOpaqLnkAttrib) { + BgpLinkAttrOpaqLnkAttrib other = (BgpLinkAttrOpaqLnkAttrib) obj; + return Arrays + .equals(opaqueLinkAttribute, other.opaqueLinkAttribute); + } + 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("opaqueLinkAttribute", opaqueLinkAttribute).toString(); + } +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrTeDefaultMetric.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrTeDefaultMetric.java new file mode 100755 index 00000000..7febe3c3 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrTeDefaultMetric.java @@ -0,0 +1,132 @@ +/* + * 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.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 link state Default TE metric link attribute. + */ +public class BgpLinkAttrTeDefaultMetric implements BGPValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpLinkAttrTeDefaultMetric.class); + + public static final int ATTRLINK_TEDEFAULTMETRIC = 1092; + public static final int TE_DATA_LEN = 4; + + /* TE Default Metric */ + private int linkTeMetric; + + /** + * Constructor to initialize the value. + * + * @param linkTeMetric TE default metric + * + */ + public BgpLinkAttrTeDefaultMetric(int linkTeMetric) { + this.linkTeMetric = linkTeMetric; + } + + /** + * Returns object of this class with specified values. + * + * @param linkTeMetric TE default metric + * @return object of BgpLinkAttrTeDefaultMetric + */ + public static BgpLinkAttrTeDefaultMetric of(final int linkTeMetric) { + return new BgpLinkAttrTeDefaultMetric(linkTeMetric); + } + + /** + * Reads the BGP link attributes of TE default metric. + * + * @param cb Channel buffer + * @return object of type BgpLinkAttrTeDefaultMetric + * @throws BGPParseException while parsing BgpLinkAttrTeDefaultMetric + */ + public static BgpLinkAttrTeDefaultMetric read(ChannelBuffer cb) + throws BGPParseException { + int linkTeMetric; + + short lsAttrLength = cb.readShort(); + + if ((lsAttrLength != TE_DATA_LEN) + || (cb.readableBytes() < lsAttrLength)) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + linkTeMetric = cb.readInt(); + + return new BgpLinkAttrTeDefaultMetric(linkTeMetric); + } + + /** + * Returns the TE default metrics. + * + * @return link default metric + */ + public int attrLinkDefTeMetric() { + return linkTeMetric; + } + + @Override + public short getType() { + return ATTRLINK_TEDEFAULTMETRIC; + } + + @Override + public int hashCode() { + return Objects.hash(linkTeMetric); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpLinkAttrTeDefaultMetric) { + BgpLinkAttrTeDefaultMetric other = (BgpLinkAttrTeDefaultMetric) obj; + return Objects.equals(linkTeMetric, other.linkTeMetric); + } + 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()) + .add("linkTEMetric", linkTeMetric).toString(); + } +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIGPFlags.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIgpFlags.java index 035d706c..a215e6f1 100755 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIGPFlags.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIgpFlags.java @@ -30,24 +30,24 @@ import com.google.common.base.MoreObjects; /** * Implements BGP prefix IGP Flag attribute. */ -public class BgpPrefixAttrIGPFlags implements BGPValueType { +public final class BgpPrefixAttrIgpFlags implements BGPValueType { protected static final Logger log = LoggerFactory - .getLogger(BgpPrefixAttrIGPFlags.class); + .getLogger(BgpPrefixAttrIgpFlags.class); public static final int ATTR_PREFIX_FLAGBIT = 1152; public static final int ATTR_PREFIX_FLAG_LEN = 1; - public static final int FIRST_BIT = 0x80; - public static final int SECOND_BIT = 0x40; - public static final int THIRD_BIT = 0x20; - public static final int FOURTH_BIT = 0x01; + public static final byte FIRST_BIT = (byte) 0x80; + public static final byte SECOND_BIT = 0x40; + public static final byte THIRD_BIT = 0x20; + public static final byte FOURTH_BIT = 0x01; /* Prefix IGP flag bit TLV */ - private boolean bisisUpDownBit = false; - private boolean bOspfNoUnicastBit = false; - private boolean bOspfLclAddrBit = false; - private boolean bOspfNSSABit = false; + private final boolean bisisUpDownBit; + private final boolean bOspfNoUnicastBit; + private final boolean bOspfLclAddrBit; + private final boolean bOspfNSSABit; /** * Constructor to initialize the value. @@ -57,7 +57,8 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { * @param bOspfLclAddrBit OSPF local address Bit * @param bOspfNSSABit OSPF propagate NSSA Bit */ - BgpPrefixAttrIGPFlags(boolean bisisUpDownBit, boolean bOspfNoUnicastBit, + BgpPrefixAttrIgpFlags(boolean bisisUpDownBit, + boolean bOspfNoUnicastBit, boolean bOspfLclAddrBit, boolean bOspfNSSABit) { this.bisisUpDownBit = bisisUpDownBit; this.bOspfNoUnicastBit = bOspfNoUnicastBit; @@ -66,13 +67,30 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { } /** + * Returns object of this class with specified values. + * + * @param bisisUpDownBit IS-IS Up/Down Bit + * @param bOspfNoUnicastBit OSPF no unicast Bit + * @param bOspfLclAddrBit OSPF local address Bit + * @param bOspfNSSABit OSPF propagate NSSA Bit + * @return object of BgpPrefixAttrIGPFlags + */ + public static BgpPrefixAttrIgpFlags of(final boolean bisisUpDownBit, + final boolean bOspfNoUnicastBit, + final boolean bOspfLclAddrBit, + final boolean bOspfNSSABit) { + return new BgpPrefixAttrIgpFlags(bisisUpDownBit, bOspfNoUnicastBit, + bOspfLclAddrBit, bOspfNSSABit); + } + + /** * Reads the IGP Flags. * * @param cb ChannelBuffer * @return object of BgpPrefixAttrIGPFlags * @throws BGPParseException while parsing BgpPrefixAttrIGPFlags */ - public static BgpPrefixAttrIGPFlags read(ChannelBuffer cb) + public static BgpPrefixAttrIgpFlags read(ChannelBuffer cb) throws BGPParseException { boolean bisisUpDownBit = false; boolean bOspfNoUnicastBit = false; @@ -90,13 +108,13 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { byte nodeFlagBits = cb.readByte(); - bisisUpDownBit = ((nodeFlagBits & (byte) FIRST_BIT) == FIRST_BIT); - bOspfNoUnicastBit = ((nodeFlagBits & (byte) SECOND_BIT) == SECOND_BIT); - bOspfLclAddrBit = ((nodeFlagBits & (byte) THIRD_BIT) == THIRD_BIT); - bOspfNSSABit = ((nodeFlagBits & (byte) FOURTH_BIT) == FOURTH_BIT); + bisisUpDownBit = ((nodeFlagBits & FIRST_BIT) == FIRST_BIT); + bOspfNoUnicastBit = ((nodeFlagBits & SECOND_BIT) == SECOND_BIT); + bOspfLclAddrBit = ((nodeFlagBits & THIRD_BIT) == THIRD_BIT); + bOspfNSSABit = ((nodeFlagBits & FOURTH_BIT) == FOURTH_BIT); - return new BgpPrefixAttrIGPFlags(bisisUpDownBit, bOspfNoUnicastBit, - bOspfLclAddrBit, bOspfNSSABit); + return BgpPrefixAttrIgpFlags.of(bisisUpDownBit, bOspfNoUnicastBit, + bOspfLclAddrBit, bOspfNSSABit); } /** @@ -104,7 +122,7 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { * * @return IS-IS Up/Down Bit set or not */ - boolean getisisUpDownBit() { + public boolean isisUpDownBit() { return bisisUpDownBit; } @@ -113,7 +131,7 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { * * @return OSPF no unicast Bit set or not */ - boolean getOspfNoUnicastBit() { + public boolean ospfNoUnicastBit() { return bOspfNoUnicastBit; } @@ -122,7 +140,7 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { * * @return OSPF local address Bit set or not */ - boolean getOspfLclAddrBit() { + public boolean ospfLclAddrBit() { return bOspfLclAddrBit; } @@ -131,7 +149,7 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { * * @return OSPF propagate NSSA Bit set or not */ - boolean getOspfNSSABit() { + public boolean ospfNSSABit() { return bOspfNSSABit; } @@ -158,13 +176,13 @@ public class BgpPrefixAttrIGPFlags implements BGPValueType { return true; } - if (obj instanceof BgpPrefixAttrIGPFlags) { - BgpPrefixAttrIGPFlags other = (BgpPrefixAttrIGPFlags) obj; + if (obj instanceof BgpPrefixAttrIgpFlags) { + BgpPrefixAttrIgpFlags other = (BgpPrefixAttrIgpFlags) obj; return Objects.equals(bisisUpDownBit, other.bisisUpDownBit) && Objects.equals(bOspfNoUnicastBit, other.bOspfNoUnicastBit) - && Objects.equals(bOspfLclAddrBit, other.bOspfLclAddrBit) - && Objects.equals(bOspfNSSABit, other.bOspfNSSABit); + && Objects.equals(bOspfLclAddrBit, other.bOspfLclAddrBit) + && Objects.equals(bOspfNSSABit, other.bOspfNSSABit); } return false; } 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(); + } + +} diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java index 0cf02386..426eb274 100755 --- a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrRouteTag.java @@ -15,7 +15,8 @@ */ package org.onosproject.bgpio.types.attr; -import java.util.Arrays; +import java.util.ArrayList; +import java.util.List; import java.util.Objects; import org.jboss.netty.buffer.ChannelBuffer; @@ -36,18 +37,28 @@ public class BgpPrefixAttrRouteTag implements BGPValueType { protected static final Logger log = LoggerFactory .getLogger(BgpPrefixAttrRouteTag.class); - public static final int ATTR_PREFIX_ROUTETAG = 1153; + public static final short ATTR_PREFIX_ROUTETAG = 1153; /* Prefix Route Tag */ - private int[] pfxRouteTag; + private List<Integer> pfxRouteTag = new ArrayList<Integer>(); /** * Constructor to initialize the values. * * @param pfxRouteTag prefix route tag */ - BgpPrefixAttrRouteTag(int[] pfxRouteTag) { - this.pfxRouteTag = Arrays.copyOf(pfxRouteTag, pfxRouteTag.length); + public BgpPrefixAttrRouteTag(List<Integer> pfxRouteTag) { + this.pfxRouteTag = pfxRouteTag; + } + + /** + * Returns object of this class with specified values. + * + * @param pfxRouteTag Prefix Metric + * @return object of BgpPrefixAttrRouteTag + */ + public static BgpPrefixAttrRouteTag of(ArrayList<Integer> pfxRouteTag) { + return new BgpPrefixAttrRouteTag(pfxRouteTag); } /** @@ -59,7 +70,8 @@ public class BgpPrefixAttrRouteTag implements BGPValueType { */ public static BgpPrefixAttrRouteTag read(ChannelBuffer cb) throws BGPParseException { - int[] pfxRouteTag; + int tmp; + ArrayList<Integer> pfxRouteTag = new ArrayList<Integer>(); short lsAttrLength = cb.readShort(); int len = lsAttrLength / Integer.SIZE; @@ -70,13 +82,12 @@ public class BgpPrefixAttrRouteTag implements BGPValueType { lsAttrLength); } - pfxRouteTag = new int[lsAttrLength]; - for (int i = 0; i < len; i++) { - pfxRouteTag[i] = cb.readInt(); + tmp = cb.readInt(); + pfxRouteTag.add(new Integer(tmp)); } - return new BgpPrefixAttrRouteTag(pfxRouteTag); + return BgpPrefixAttrRouteTag.of(pfxRouteTag); } /** @@ -84,7 +95,7 @@ public class BgpPrefixAttrRouteTag implements BGPValueType { * * @return route tag */ - int[] getPfxRouteTag() { + public List<Integer> getPfxRouteTag() { return pfxRouteTag; } |