diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-10-09 18:32:44 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-10-09 18:32:44 -0700 |
commit | 6a07d2d622eaa06953f3353e39c080984076e8de (patch) | |
tree | bfb50a2090fce186c2cc545a400c969bf2ea702b /framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeFlagBitTlv.java | |
parent | e6d71622143ff9b2421a1abbe8434b954b5b1099 (diff) |
Updated master to commit id 6ee8aa3e67ce89908a8c93aa9445c6f71a18f986
Change-Id: I94b055ee2f298daf71e2ec794fd0f2495bd8081f
Diffstat (limited to 'framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeFlagBitTlv.java')
-rwxr-xr-x | framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeFlagBitTlv.java | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeFlagBitTlv.java b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeFlagBitTlv.java new file mode 100755 index 00000000..ba02f6d1 --- /dev/null +++ b/framework/src/onos/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrNodeFlagBitTlv.java @@ -0,0 +1,177 @@ +/* + * 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 node flag. + */ +public class BgpAttrNodeFlagBitTlv implements BGPValueType { + + protected static final Logger log = LoggerFactory + .getLogger(BgpAttrNodeFlagBitTlv.class); + + public static final int ATTRNODE_FLAGBIT = 1024; + + /* Node flag bit TLV */ + private boolean bOverloadBit; + private boolean bAttachedBit; + private boolean bExternalBit; + private boolean bABRBit; + + public static final int BIT_SET = 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; + + /** + * Constructor to initialize parameters. + * + * @param bOverloadBit Overload bit + * @param bAttachedBit Attached bit + * @param bExternalBit External bit + * @param bABRBit ABR Bit + */ + BgpAttrNodeFlagBitTlv(boolean bOverloadBit, boolean bAttachedBit, + boolean bExternalBit, boolean bABRBit) { + this.bOverloadBit = bOverloadBit; + this.bAttachedBit = bAttachedBit; + this.bExternalBit = bExternalBit; + this.bABRBit = bABRBit; + } + + /** + * Reads the Node Flag Bits. + * + * @param cb ChannelBuffer + * @return attribute node flag bit tlv + * @throws BGPParseException while parsing BgpAttrNodeFlagBitTlv + */ + public static BgpAttrNodeFlagBitTlv read(ChannelBuffer cb) + throws BGPParseException { + boolean bOverloadBit = false; + boolean bAttachedBit = false; + boolean bExternalBit = false; + boolean bABRBit = false; + + short lsAttrLength = cb.readShort(); + + if (lsAttrLength != 1) { + Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, + BGPErrorType.ATTRIBUTE_LENGTH_ERROR, + lsAttrLength); + } + + byte nodeFlagBits = cb.readByte(); + + bOverloadBit = ((nodeFlagBits & (byte) FIRST_BIT) == FIRST_BIT); + bAttachedBit = ((nodeFlagBits & (byte) SECOND_BIT) == SECOND_BIT); + bExternalBit = ((nodeFlagBits & (byte) THIRD_BIT) == THIRD_BIT); + bABRBit = ((nodeFlagBits & (byte) FOURTH_BIT) == FOURTH_BIT); + + return new BgpAttrNodeFlagBitTlv(bOverloadBit, bAttachedBit, + bExternalBit, bABRBit); + } + + /** + * Returns Overload Bit. + * + * @return Overload Bit + */ + boolean getOverLoadBit() { + return bOverloadBit; + } + + /** + * Returns Attached Bit. + * + * @return Attached Bit + */ + boolean getAttachedBit() { + return bAttachedBit; + } + + /** + * Returns External Bit. + * + * @return External Bit + */ + boolean getExternalBit() { + return bExternalBit; + } + + /** + * Returns ABR Bit. + * + * @return ABR Bit + */ + boolean getABRBit() { + return bABRBit; + } + + @Override + public short getType() { + return ATTRNODE_FLAGBIT; + } + + @Override + public int write(ChannelBuffer cb) { + // TODO will be implementing it later + return 0; + } + + @Override + public int hashCode() { + return Objects.hash(bOverloadBit, bAttachedBit, bExternalBit, bABRBit); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + + if (obj instanceof BgpAttrNodeFlagBitTlv) { + BgpAttrNodeFlagBitTlv other = (BgpAttrNodeFlagBitTlv) obj; + return Objects.equals(bOverloadBit, other.bOverloadBit) + && Objects.equals(bAttachedBit, other.bAttachedBit) + && Objects.equals(bExternalBit, other.bExternalBit) + && Objects.equals(bABRBit, other.bABRBit); + } + return false; + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("bOverloadBit", bOverloadBit) + .add("bAttachedBit", bAttachedBit) + .add("bExternalBit", bExternalBit).add("bABRBit", bABRBit) + .toString(); + } +} |