+++ /dev/null
-
-/*
- * 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.switchmanager;
-
-import java.io.Serializable;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.util.HashSet;
-import java.util.Set;
-
-import org.apache.commons.lang3.builder.EqualsBuilder;
-import org.apache.commons.lang3.builder.HashCodeBuilder;
-import org.opendaylight.controller.sal.core.NodeConnector;
-
-import org.opendaylight.controller.switchmanager.Subnet;
-import org.opendaylight.controller.switchmanager.SubnetConfig;
-
-/**
- * The class describes subnet information including L3 address, vlan and set of
- * ports associated with the subnet.
- */
-public class Subnet implements Serializable {
- private static final long serialVersionUID = 1L;
- // Key fields
- private InetAddress networkAddress;
- private short subnetMaskLength;
- // Property fields
- private short vlan;
- private Set<NodeConnector> nodeConnectors;
-
- public Subnet(InetAddress ip, short maskLen, short vlan) {
- this.networkAddress = ip;
- this.subnetMaskLength = maskLen;
- this.vlan = vlan;
- this.nodeConnectors = new HashSet<NodeConnector>();
- }
-
- public Subnet(SubnetConfig conf) {
- networkAddress = conf.getIPnum();
- subnetMaskLength = conf.getIPMaskLen();
- nodeConnectors = conf.getSubnetNodeConnectors();
- }
-
- /**
- * Add NodeConnectors to a subnet
- *
- * @param sp Set of NodeConnectors to add to the subnet
- */
- public void addNodeConnectors(Set<NodeConnector> sp) {
- if (sp == null) {
- return;
- }
-
- for (NodeConnector p : sp) {
- this.nodeConnectors.add(p);
- }
- }
-
- /**
- * Delete NodeConnectors from subnet
- *
- * @param sp Set of NodeConnectors to add to the subnet
- */
- public void deleteNodeConnectors(Set<NodeConnector> sp) {
- if (sp == null) {
- return;
- }
- for (NodeConnector p : sp) {
- this.nodeConnectors.remove(p);
- }
- }
-
- /**
- * Return the list of NodeConnectors configured for this subnet,
- * could be also an empty set in case of all the known
- * nodeconnectors.
- *
- *
- * @return The list of NodeConnectors attached to the subnet
- */
- public Set<NodeConnector> getNodeConnectors() {
- return this.nodeConnectors;
- }
-
- /**
- * If the subnet has no node connectors attached to it then it
- * means that is a whole L2 flat domain
- *
- *
- * @return true if there are no node connectors configured for the
- * subnet else false
- */
- public boolean isFlatLayer2() {
- return nodeConnectors.isEmpty();
- }
-
- /**
- * getter method
- *
- *
- * @return the Network Address part of the subnet
- */
- public InetAddress getNetworkAddress() {
- return networkAddress;
- }
-
- /**
- * @param networkAddress the networkAddress to set
- */
- public Subnet setNetworkAddress(InetAddress networkAddress) {
- this.networkAddress = networkAddress;
- return this;
- }
-
- /**
- * getter method
- *
- *
- * @return the subnet mask length
- */
- public short getSubnetMaskLength() {
- return this.subnetMaskLength;
- }
-
- public Subnet setSubnetMaskLength(short m) {
- this.subnetMaskLength = m;
- return this;
- }
-
- /*
- * returns the prefix of a given IP by applying this subnet's mask
- */
- private InetAddress getPrefixForAddress(InetAddress ip) {
- int bytes = this.subnetMaskLength / 8;
- int bits = this.subnetMaskLength % 8;
- byte modifiedByte;
- byte[] sn = ip.getAddress();
- if (bits > 0) {
- modifiedByte = (byte) (sn[bytes] >> (8 - bits));
- sn[bytes] = (byte) (modifiedByte << (8 - bits));
- bytes++;
- }
- for (; bytes < sn.length; bytes++) {
- sn[bytes] = (byte) (0);
- }
- try {
- return InetAddress.getByAddress(sn);
- } catch (UnknownHostException e) {
- return null;
- }
- }
-
- public boolean isSubnetOf(InetAddress ip) {
- if (ip == null)
- return false;
- InetAddress thisPrefix = getPrefixForAddress(this.networkAddress);
- InetAddress otherPrefix = getPrefixForAddress(ip);
- if ((thisPrefix == null) || (otherPrefix == null))
- return false;
- if (thisPrefix.equals(otherPrefix))
- return true;
- else
- return false;
- }
-
- public short getVlan() {
- return this.vlan;
- }
-
- public Subnet setVlan(short i) {
- this.vlan = i;
- return this;
- }
-
- /* (non-Javadoc)
- * @see java.lang.Object#hashCode()
- */
- @Override
- public int hashCode() {
- return new HashCodeBuilder().append(networkAddress).append(
- subnetMaskLength).toHashCode();
- }
-
- /* (non-Javadoc)
- * @see java.lang.Object#equals(java.lang.Object)
- */
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj == null) {
- return false;
- }
- if (obj.getClass() != getClass()) {
- return false;
- }
- Subnet other = (Subnet) obj;
- // Check only equality for the key fields
- return new EqualsBuilder().append(networkAddress, other.networkAddress)
- .append(subnetMaskLength, other.subnetMaskLength).isEquals();
- }
-
- /* (non-Javadoc)
- * @see java.lang.Object#toString()
- */
- @Override
- public String toString() {
- return ("Subnet [networkAddress=" + networkAddress.getHostAddress()
- + "/" + subnetMaskLength
- + ((vlan == 0) ? "" : (" vlan=" + vlan)) + " "
- + ((isFlatLayer2()) ? "{[*, *]}" : nodeConnectors.toString()) + "]");
- }
-
- public boolean hasNodeConnector(NodeConnector p) {
- if (p == null) {
- return false;
- }
- if (this.isFlatLayer2()) {
- return true;
- }
- return this.nodeConnectors.contains(p);
- }
-
- public boolean isMutualExclusive(Subnet otherSubnet) {
- if (this.networkAddress.getClass() != otherSubnet.networkAddress
- .getClass())
- return true;
- if (this.isSubnetOf(otherSubnet.getNetworkAddress())) {
- return false;
- }
- if (otherSubnet.isSubnetOf(this.getNetworkAddress())) {
- return false;
- }
- return true;
- }
-}
Code Review / controller.git / blobdiff