| /* |
| * Copyright 2019-2024 Open Networking Foundation (ONF) and the ONF Contributors |
| * |
| * 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.opencord.bng.packets; |
| |
| import com.google.common.base.Objects; |
| import org.onlab.packet.BasePacket; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| |
| /** |
| * Implements a generic PPP header. |
| */ |
| |
| public abstract class Ppp extends BasePacket { |
| |
| static final int MIN_HEADER_LENGTH = 4; |
| |
| byte code; |
| byte identifier; |
| short length; // Length includes the code, identifier, length and data fields |
| |
| /** |
| * Gets the LCP code. |
| * |
| * @return the LCP code |
| */ |
| public byte getCode() { |
| return code; |
| } |
| |
| /** |
| * Sets the LCP code. |
| * |
| * @param code the LCP code to set |
| */ |
| public void setCode(byte code) { |
| this.code = code; |
| } |
| |
| /** |
| * Gets the LCP identifier. |
| * |
| * @return the LCP identifier |
| */ |
| public byte getIdentifier() { |
| return identifier; |
| } |
| |
| /** |
| * Sets the LCP identifier. |
| * |
| * @param identifier the LCP identifier to set |
| */ |
| public void setIdentifier(byte identifier) { |
| this.identifier = identifier; |
| } |
| |
| /** |
| * Gets the length. |
| * |
| * @return the length |
| */ |
| public short getLength() { |
| return length; |
| } |
| |
| /** |
| * Sets the length. |
| * |
| * @param length the length to set |
| */ |
| public void setLength(short length) { |
| this.length = length; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(getClass()) |
| // .add("PPPType", pppProtocol) |
| .add("code", code) |
| .add("identifier", identifier) |
| .add("length", length) |
| .toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return 31 * super.hashCode() + Objects.hashCode(code, identifier, length); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| if (!super.equals(obj)) { |
| return false; |
| } |
| final Ppp other = (Ppp) obj; |
| return Objects.equal(this.code, other.code) |
| && Objects.equal(this.identifier, other.identifier) |
| && Objects.equal(this.length, other.length); |
| } |
| } |