Java tutorial
/* * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension; import java.nio.ByteBuffer; import java.util.List; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.commons.lang3.builder.ReflectionToStringBuilder; import org.openflow.protocol.action.OFAction; import org.openflow.protocol.statistics.OFVendorStatistics; import org.openflow.util.U16; /** * This Class processes the OpenFlow Vendor Extension Reply message of a Stats * Request. It parses the reply message and initializes fields of V6StatsReply * object. Multiple instances of this class objects are created and used by * OpenDaylight's Troubleshooting Application. * */ public class V6StatsReply extends OFVendorStatistics { private static final long serialVersionUID = 1L; public static int MINIMUM_LENGTH = 48; //48 for nx_flow_stats protected short length = (short) MINIMUM_LENGTH; protected byte tableId; protected int durationSeconds; protected int durationNanoseconds; protected short priority; protected short idleTimeout; protected short hardTimeout; protected short match_len; protected short idleAge; protected short hardAge; protected long cookie; protected long packetCount; protected long byteCount; protected V6Match match; protected List<OFAction> actions; /** * @return vendor id */ public int getVendorId() { return vendor; } /** * @param vendor the vendor to set */ public void setVendorId(int vendor) { this.vendor = vendor; } /** * @return the tableId */ public byte getTableId() { return tableId; } /** * @param tableId the tableId to set */ public void setTableId(byte tableId) { this.tableId = tableId; } /** * @return the durationSeconds */ public int getDurationSeconds() { return durationSeconds; } /** * @param durationSeconds the durationSeconds to set */ public void setDurationSeconds(int durationSeconds) { this.durationSeconds = durationSeconds; } /** * @return the durationNanoseconds */ public int getDurationNanoseconds() { return durationNanoseconds; } /** * @param durationNanoseconds the durationNanoseconds to set */ public void setDurationNanoseconds(int durationNanoseconds) { this.durationNanoseconds = durationNanoseconds; } /** * @return the priority */ public short getPriority() { return priority; } /** * @param priority the priority to set */ public void setPriority(short priority) { this.priority = priority; } /** * @return the idleTimeout */ public short getIdleTimeout() { return idleTimeout; } /** * @param idleTimeout the idleTimeout to set */ public void setIdleTimeout(short idleTimeout) { this.idleTimeout = idleTimeout; } /** * @return the hardTimeout */ public short getHardTimeout() { return hardTimeout; } /** * @param hardTimeout the hardTimeout to set */ public void setHardTimeout(short hardTimeout) { this.hardTimeout = hardTimeout; } /** * @param match_len the match_len to set */ public void setMatchLen(short match_len) { this.match_len = match_len; } /** * @return the match_len */ public short getMatchLen() { return match_len; } /** * @return the idleAge */ public short getIdleAge() { return idleAge; } /** * @param idleAge the idleAge to set */ public void setIdleAge(short idleAge) { this.idleAge = idleAge; } /** * @return the hardAge */ public short getHardAge() { return hardAge; } /** * @param hardAge the hardAge to set */ public void setHardAge(short hardAge) { this.hardAge = hardAge; } /** * @return the cookie */ public long getCookie() { return cookie; } /** * @param cookie the cookie to set */ public void setCookie(long cookie) { this.cookie = cookie; } /** * @return the packetCount */ public long getPacketCount() { return packetCount; } /** * @param packetCount the packetCount to set */ public void setPacketCount(long packetCount) { this.packetCount = packetCount; } /** * @return the byteCount */ public long getByteCount() { return byteCount; } /** * @param byteCount the byteCount to set */ public void setByteCount(long byteCount) { this.byteCount = byteCount; } /** * @param length the length to set */ public void setLength(short length) { this.length = length; } @Override public int getLength() { return U16.f(length); } /** * @return the match */ public V6Match getMatch() { return match; } /** * @return the actions */ public List<OFAction> getActions() { return actions; } /** * @param actions the actions to set */ public void setActions(List<OFAction> actions) { this.actions = actions; } @Override public void readFrom(ByteBuffer data) { short i; this.length = data.getShort(); if (length < MINIMUM_LENGTH) return; //TBD - Spurious Packet? this.tableId = data.get(); data.get(); // pad this.durationSeconds = data.getInt(); this.durationNanoseconds = data.getInt(); this.priority = data.getShort(); this.idleTimeout = data.getShort(); this.hardTimeout = data.getShort(); this.match_len = data.getShort(); this.idleAge = data.getShort(); this.hardAge = data.getShort(); this.cookie = data.getLong(); this.packetCount = data.getLong(); this.byteCount = data.getLong(); if (this.length == MINIMUM_LENGTH) { return; //TBD - can this happen?? } if (this.match == null) this.match = new V6Match(); ByteBuffer mbuf = ByteBuffer.allocate(match_len); for (i = 0; i < match_len; i++) { mbuf.put(data.get()); } mbuf.rewind(); this.match.readFrom(mbuf); if (this.actionFactory == null) throw new RuntimeException("OFActionFactory not set"); /* * action list may be preceded by a padding of 0 to 7 bytes based upon this: */ short pad_size = (short) (((match_len + 7) / 8) * 8 - match_len); for (i = 0; i < pad_size; i++) data.get(); int action_len = this.length - MINIMUM_LENGTH - (match_len + pad_size); if (action_len > 0) this.actions = this.actionFactory.parseActions(data, action_len); } @Override public void writeTo(ByteBuffer data) { super.writeTo(data);//TBD. This Fn needs work. Should never get called though. } @Override public int hashCode() { return HashCodeBuilder.reflectionHashCode(this); } @Override public String toString() { return "V6StatsReply[" + ReflectionToStringBuilder.toString(this) + "]"; } @Override public boolean equals(Object obj) { return EqualsBuilder.reflectionEquals(this, obj); } }