| /* |
| * Copyright 2014 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.onlab.onos.net.flow.instructions; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| |
| import java.util.Objects; |
| |
| import org.onlab.packet.IpAddress; |
| |
| /** |
| * Abstraction of a single traffic treatment step. |
| */ |
| public abstract class L3ModificationInstruction implements Instruction { |
| |
| /** |
| * Represents the type of traffic treatment. |
| */ |
| public enum L3SubType { |
| /** |
| * Ether src modification. |
| */ |
| IP_SRC, |
| |
| /** |
| * Ether dst modification. |
| */ |
| IP_DST |
| |
| //TODO: remaining types |
| } |
| |
| /** |
| * Returns the subtype of the modification instruction. |
| * @return type of instruction |
| */ |
| public abstract L3SubType subtype(); |
| |
| @Override |
| public Type type() { |
| return Type.L3MODIFICATION; |
| } |
| |
| /** |
| * Represents a L3 src/dst modification instruction. |
| */ |
| public static final class ModIPInstruction extends L3ModificationInstruction { |
| |
| private final L3SubType subtype; |
| private final IpAddress ip; |
| |
| public ModIPInstruction(L3SubType subType, IpAddress addr) { |
| |
| this.subtype = subType; |
| this.ip = addr; |
| } |
| |
| @Override |
| public L3SubType subtype() { |
| return this.subtype; |
| } |
| |
| public IpAddress ip() { |
| return this.ip; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(subtype().toString()) |
| .add("ip", ip).toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(type(), subtype(), ip); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof ModIPInstruction) { |
| ModIPInstruction that = (ModIPInstruction) obj; |
| return Objects.equals(ip, that.ip) && |
| Objects.equals(this.type(), that.type()) && |
| Objects.equals(this.subtype(), that.subtype()); |
| |
| } |
| return false; |
| } |
| |
| } |
| } |