Revert "Uses ICMPEcho class in OpenstackRoutingIcmpHandler and test class."
This reverts commit f740c2e6c99008e1b6df135a7c892ef724c9dbd1.
Change-Id: Ie4607808170a5b4997a0de0761e15d4e502fdc72
diff --git a/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/IcmpEcho.java b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/IcmpEcho.java
new file mode 100644
index 0000000..5b78719
--- /dev/null
+++ b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/IcmpEcho.java
@@ -0,0 +1,269 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.openstacknetworking.impl;
+
+import org.onlab.packet.Data;
+import org.onlab.packet.Deserializer;
+import org.onlab.packet.ICMP;
+import org.onlab.packet.IPv4;
+
+import java.nio.ByteBuffer;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static org.onlab.packet.PacketUtils.checkInput;
+
+/**
+ * ICMP packet class for echo purpose.
+ */
+public class IcmpEcho extends ICMP {
+ protected byte icmpType;
+ protected byte icmpCode;
+ protected short checksum;
+ protected short identifier;
+ protected short sequenceNum;
+
+ public static final short ICMP_HEADER_LENGTH = 8;
+
+ /**
+ * @return the icmpType
+ */
+ public byte getIcmpType() {
+ return this.icmpType;
+ }
+
+ /**
+ * @param icmpType to set
+ * @return this
+ */
+ public IcmpEcho setIcmpType(final byte icmpType) {
+ this.icmpType = icmpType;
+ return this;
+ }
+
+ /**
+ * @return the icmp code
+ */
+ public byte getIcmpCode() {
+ return this.icmpCode;
+ }
+
+ /**
+ * @param icmpCode code to set
+ * @return this
+ */
+ public IcmpEcho setIcmpCode(final byte icmpCode) {
+ this.icmpCode = icmpCode;
+ return this;
+ }
+
+ /**
+ * @return the checksum
+ */
+ public short getChecksum() {
+ return this.checksum;
+ }
+
+ /**
+ * @param checksum the checksum to set
+ * @return this
+ */
+ public IcmpEcho setChecksum(final short checksum) {
+ this.checksum = checksum;
+ return this;
+ }
+
+ /**
+ * Sets the identifier.
+ *
+ * @param identifier identifier
+ * @return this
+ */
+ public IcmpEcho setIdentifier(final short identifier) {
+ this.identifier = identifier;
+ return this;
+ }
+
+ /**
+ * Sets the sequencer number.
+ *
+ * @param sequenceNum sequence number
+ * @return this
+ */
+
+ public IcmpEcho setSequenceNum(final short sequenceNum) {
+ this.sequenceNum = sequenceNum;
+ return this;
+ }
+
+ /**
+ * Gets the identifier.
+ *
+ * @return identifier
+ */
+ public short getIdentifier() {
+ return this.identifier;
+ }
+
+ /**
+ * Gets the sequence number.
+ *
+ * @return sequence number
+ */
+ public short getSequenceNum() {
+ return this.sequenceNum;
+ }
+
+ /**
+ * Serializes the packet. Will compute and set the following fields if they
+ * are set to specific values at the time serialize is called: -checksum : 0
+ * -length : 0
+ */
+ @Override
+ public byte[] serialize() {
+ int length = 8;
+ byte[] payloadData = null;
+ if (this.payload != null) {
+ this.payload.setParent(this);
+ payloadData = this.payload.serialize();
+ length += payloadData.length;
+ }
+
+ final byte[] data = new byte[length];
+ final ByteBuffer bb = ByteBuffer.wrap(data);
+
+ bb.put(this.icmpType);
+ bb.put(this.icmpCode);
+ bb.putShort(this.checksum);
+ bb.putShort(this.identifier);
+ bb.putShort(this.sequenceNum);
+ if (payloadData != null) {
+ bb.put(payloadData);
+ }
+
+ if (this.parent != null && this.parent instanceof IPv4) {
+ ((IPv4) this.parent).setProtocol(IPv4.PROTOCOL_ICMP);
+ }
+
+ // compute checksum if needed
+ if (this.checksum == 0) {
+ bb.rewind();
+ int accumulation = 0;
+
+ for (int i = 0; i < length / 2; ++i) {
+ accumulation += 0xffff & bb.getShort();
+ }
+ // pad to an even number of shorts
+ if (length % 2 > 0) {
+ accumulation += (bb.get() & 0xff) << 8;
+ }
+
+ accumulation = (accumulation >> 16 & 0xffff)
+ + (accumulation & 0xffff);
+ this.checksum = (short) (~accumulation & 0xffff);
+ bb.putShort(2, this.checksum);
+ }
+ return data;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 5807;
+ int result = super.hashCode();
+ result = prime * result + this.icmpType;
+ result = prime * result + this.icmpCode;
+ result = prime * result + this.checksum;
+ result = prime * result + this.identifier;
+ result = prime * result + this.sequenceNum;
+ return result;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!super.equals(obj)) {
+ return false;
+ }
+ if (!(obj instanceof IcmpEcho)) {
+ return false;
+ }
+ final IcmpEcho other = (IcmpEcho) obj;
+ if (this.icmpType != other.icmpType) {
+ return false;
+ }
+ if (this.icmpCode != other.icmpCode) {
+ return false;
+ }
+ if (this.checksum != other.checksum) {
+ return false;
+ }
+ if (this.identifier != other.identifier) {
+ return false;
+ }
+ if (this.sequenceNum != other.sequenceNum) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Deserializer function for ICMP packets.
+ *
+ * @return deserializer function
+ */
+ public static Deserializer<ICMP> deserializer() {
+ return (data, offset, length) -> {
+ checkInput(data, offset, length, ICMP_HEADER_LENGTH);
+
+ IcmpEcho icmp = new IcmpEcho();
+
+ final ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+ icmp.icmpType = bb.get();
+ icmp.icmpCode = bb.get();
+ icmp.checksum = bb.getShort();
+ icmp.identifier = bb.getShort();
+ icmp.sequenceNum = bb.getShort();
+
+ icmp.payload = Data.deserializer()
+ .deserialize(data, bb.position(), bb.limit()
+ - bb.position());
+ icmp.payload.setParent(icmp);
+ return icmp;
+ };
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(getClass())
+ .add("icmpType", Byte.toString(icmpType))
+ .add("icmpCode", Byte.toString(icmpCode))
+ .add("checksum", Short.toString(checksum))
+ .add("identifier", Short.toString(identifier))
+ .add("sequenceNumber", Short.toString(sequenceNum))
+ .toString();
+ }
+}