--- /dev/null
+/**
+* Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
+* University
+*
+* 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.openflow.protocol;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.openflow.util.U16;
+
+
+/**
+ * Represents a features reply message
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ *
+ */
+
+public class OFFeaturesReply extends OFMessage {
+ public static int MINIMUM_LENGTH = 32;
+
+ /**
+ * Corresponds to bits on the capabilities field
+ */
+ public enum OFCapabilities {
+ OFPC_FLOW_STATS (1 << 0),
+ OFPC_TABLE_STATS (1 << 1),
+ OFPC_PORT_STATS (1 << 2),
+ OFPC_STP (1 << 3),
+ OFPC_RESERVED (1 << 4),
+ OFPC_IP_REASM (1 << 5),
+ OFPC_QUEUE_STATS (1 << 6),
+ OFPC_ARP_MATCH_IP (1 << 7);
+
+ protected int value;
+
+ private OFCapabilities(int value) {
+ this.value = value;
+ }
+
+ /**
+ * @return the value
+ */
+ public int getValue() {
+ return value;
+ }
+ }
+
+ protected long datapathId;
+ protected int buffers;
+ protected byte tables;
+ protected int capabilities;
+ protected int actions;
+ protected List<OFPhysicalPort> ports;
+
+ public OFFeaturesReply() {
+ super();
+ this.type = OFType.FEATURES_REPLY;
+ this.length = U16.t(MINIMUM_LENGTH);
+ }
+
+ /**
+ * @return the datapathId
+ */
+ public long getDatapathId() {
+ return datapathId;
+ }
+
+ /**
+ * @param datapathId the datapathId to set
+ */
+ public void setDatapathId(long datapathId) {
+ this.datapathId = datapathId;
+ }
+
+ /**
+ * @return the buffers
+ */
+ public int getBuffers() {
+ return buffers;
+ }
+
+ /**
+ * @param buffers the buffers to set
+ */
+ public void setBuffers(int buffers) {
+ this.buffers = buffers;
+ }
+
+ /**
+ * @return the tables
+ */
+ public byte getTables() {
+ return tables;
+ }
+
+ /**
+ * @param tables the tables to set
+ */
+ public void setTables(byte tables) {
+ this.tables = tables;
+ }
+
+ /**
+ * @return the capabilities
+ */
+ public int getCapabilities() {
+ return capabilities;
+ }
+
+ /**
+ * @param capabilities the capabilities to set
+ */
+ public void setCapabilities(int capabilities) {
+ this.capabilities = capabilities;
+ }
+
+ /**
+ * @return the actions
+ */
+ public int getActions() {
+ return actions;
+ }
+
+ /**
+ * @param actions the actions to set
+ */
+ public void setActions(int actions) {
+ this.actions = actions;
+ }
+
+ /**
+ * @return the ports
+ */
+ public List<OFPhysicalPort> getPorts() {
+ return ports;
+ }
+
+ /**
+ * @param ports the ports to set
+ */
+ public void setPorts(List<OFPhysicalPort> ports) {
+ this.ports = ports;
+ if (ports == null) {
+ this.setLengthU(MINIMUM_LENGTH);
+ } else {
+ this.setLengthU(MINIMUM_LENGTH + ports.size()
+ * OFPhysicalPort.MINIMUM_LENGTH);
+ }
+ }
+
+ @Override
+ public void readFrom(ChannelBuffer data) {
+ super.readFrom(data);
+ this.datapathId = data.readLong();
+ this.buffers = data.readInt();
+ this.tables = data.readByte();
+ data.readerIndex(data.readerIndex() + 3); // pad
+ this.capabilities = data.readInt();
+ this.actions = data.readInt();
+ if (this.ports == null) {
+ this.ports = new ArrayList<OFPhysicalPort>();
+ } else {
+ this.ports.clear();
+ }
+ int portCount = (super.getLengthU() - 32)
+ / OFPhysicalPort.MINIMUM_LENGTH;
+ OFPhysicalPort port;
+ for (int i = 0; i < portCount; ++i) {
+ port = new OFPhysicalPort();
+ port.readFrom(data);
+ this.ports.add(port);
+ }
+ }
+
+ @Override
+ public void writeTo(ChannelBuffer data) {
+ super.writeTo(data);
+ data.writeLong(this.datapathId);
+ data.writeInt(this.buffers);
+ data.writeByte(this.tables);
+ data.writeShort((short) 0); // pad
+ data.writeByte((byte) 0); // pad
+ data.writeInt(this.capabilities);
+ data.writeInt(this.actions);
+ if (this.ports != null)
+ for (OFPhysicalPort port : this.ports) {
+ port.writeTo(data);
+ }
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 139;
+ int result = super.hashCode();
+ result = prime * result + actions;
+ result = prime * result + buffers;
+ result = prime * result + capabilities;
+ result = prime * result + (int) (datapathId ^ (datapathId >>> 32));
+ result = prime * result + ((ports == null) ? 0 : ports.hashCode());
+ result = prime * result + tables;
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!super.equals(obj)) {
+ return false;
+ }
+ if (!(obj instanceof OFFeaturesReply)) {
+ return false;
+ }
+ OFFeaturesReply other = (OFFeaturesReply) obj;
+ if (actions != other.actions) {
+ return false;
+ }
+ if (buffers != other.buffers) {
+ return false;
+ }
+ if (capabilities != other.capabilities) {
+ return false;
+ }
+ if (datapathId != other.datapathId) {
+ return false;
+ }
+ if (ports == null) {
+ if (other.ports != null) {
+ return false;
+ }
+ } else if (!ports.equals(other.ports)) {
+ return false;
+ }
+ if (tables != other.tables) {
+ return false;
+ }
+ return true;
+ }
+}