3 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
5 * This program and the accompanying materials are made available under the
6 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
7 * and is available at http://www.eclipse.org/legal/epl-v10.html
10 package org.opendaylight.controller.forwarding.staticrouting;
12 import java.io.Serializable;
13 import java.lang.reflect.Field;
14 import java.net.InetAddress;
15 import java.net.UnknownHostException;
16 import java.util.ArrayList;
17 import java.util.HashMap;
18 import java.util.List;
21 import org.opendaylight.controller.sal.utils.GUIField;
22 import org.opendaylight.controller.sal.utils.Status;
23 import org.opendaylight.controller.sal.utils.StatusCode;
26 * This class defines all the necessary configuration information for a static route.
28 public class StaticRouteConfig implements Serializable {
29 private static final long serialVersionUID = 1L;
30 private static final String regexSubnet = "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
31 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
32 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
33 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])[/](\\d|[12]\\d|3[0-2])$";
34 private static final String regexIP = "^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
35 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
36 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
37 + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";
38 private static final String regexDatapathID = "^([0-9a-fA-F]{1,2}[:-]){7}[0-9a-fA-F]{1,2}$";
39 private static final String regexDatapathIDLong = "^[0-9a-fA-F]{1,16}$";
40 private static final String prettyFields[] = { GUIField.NAME.toString(),
41 GUIField.STATICROUTE.toString(), GUIField.NEXTHOP.toString() };
42 private transient String nextHopType; // Ignoring NextHopType for now. Supporting just the next-hop IP-Address feature for now.
43 // Order matters: JSP file expects following fields in the following order
45 private String staticRoute; // A.B.C.D/MM Where A.B.C.D is the Default Gateway IP (L3) or ARP Querier IP (L2)
46 private String nextHop; // NextHop IP-Address (or) datapath ID/port list: xx:xx:xx:xx:xx:xx:xx:xx/a,b,c-m,r-t,y
49 * Create a static route configuration with no specific information.
51 public StaticRouteConfig() {
53 nextHopType = StaticRoute.NextHopType.IPADDRESS.toString();
57 * Create a static route configuration with all the information.
58 * @param name The name (String) of the static route config
59 * @param staticRoute The string representation of the route. e.g. 192.168.1.1/24
60 * @param nextHop The string representation of the next hop IP address. e.g. 10.10.1.1
62 public StaticRouteConfig(String name, String staticRoute, String nextHop) {
65 this.staticRoute = staticRoute;
66 this.nextHop = nextHop;
70 * Get the name of the StaticRouteConfig.
73 public String getName() {
78 * Set the name of the StaticRouteConfig.
79 * @param name The name to set
81 public void setName(String name) {
86 * Get the string representation of the static route.
87 * @return The string representation of the static route
89 public String getStaticRoute() {
94 * Set the static route of the StaticRouteConfig.
95 * @param staticRoute The string representation of the static route
97 public void setStaticRoute(String staticRoute) {
98 this.staticRoute = staticRoute;
102 * Get the string representation of the next hop address type.
103 * @return The string representation of the next hop address type
105 public String getNextHopType() {
106 if (nextHopType == null) {
107 return StaticRoute.NextHopType.IPADDRESS.toString();
113 * Set the next hop address type.
114 * @param nextHopType The string representation of the next hop address type
116 public void setNextHopType(String nextHopType) {
117 this.nextHopType = nextHopType;
121 * Get all the supported next hop address types.
122 * @return The list of supported next hop address types
124 public static List<String> getSupportedNextHopTypes() {
125 List<String> s = new ArrayList<String>();
126 for (StaticRoute.NextHopType nh : StaticRoute.NextHopType.values()) {
127 s.add(nh.toString());
133 * Get the next hop address
134 * @return The string represenation of the next hop address
136 public String getNextHop() {
141 * Set the next hop address.
142 * @param nextHop: The string representation of the next hop address to be set
144 public void setNextHop(String nextHop) {
145 this.nextHop = nextHop;
149 * Return a string with text indicating if the config is valid.
150 * @return SUCCESS if the config is valid
152 public Status isValid() {
153 if ((name == null) || (name.trim().length() < 1)) {
154 return new Status(StatusCode.BADREQUEST,
155 "Invalid Static Route name");
157 if (!isValidStaticRouteEntry()) {
158 return new Status(StatusCode.BADREQUEST,
159 "Invalid Static Route entry. Please use the " +
160 "IPAddress/mask format. Default gateway " +
161 "(0.0.0.0/0) is NOT supported.");
163 if (!isValidNextHop()) {
164 return new Status(StatusCode.BADREQUEST,
165 "Invalid NextHop IP Address configuration. " +
166 "Please use the X.X.X.X format.");
169 return new Status(StatusCode.SUCCESS, null);
172 private boolean isValidAddress(String address) {
173 if ((address != null) && address.matches(regexIP)) {
179 private boolean isValidStaticRouteEntry() {
180 if ((staticRoute != null) && staticRoute.matches(regexSubnet)) {
186 private boolean isValidNextHop() {
187 if (getNextHopType().equalsIgnoreCase(
188 StaticRoute.NextHopType.IPADDRESS.toString())) {
189 return isValidNextHopIP();
190 } else if (getNextHopType().equalsIgnoreCase(
191 StaticRoute.NextHopType.SWITCHPORT.toString())) {
192 return isValidSwitchId();
197 private boolean isValidNextHopIP() {
198 return isValidAddress(nextHop);
201 private boolean isValidSwitchId(String switchId) {
202 return (switchId != null && (switchId.matches(regexDatapathID) || switchId
203 .matches(regexDatapathIDLong)));
206 private boolean isValidSwitchId() {
207 if (getNextHopType().equalsIgnoreCase(
208 StaticRoute.NextHopType.SWITCHPORT.toString())) {
209 String pieces[] = nextHop.split("/");
210 if (pieces.length < 2)
212 return isValidSwitchId(pieces[0]);
218 * Return the IP address of the static route.
219 * @return The IP address
221 public InetAddress getStaticRouteIP() {
222 if (!isValidStaticRouteEntry()) {
225 InetAddress ip = null;
227 ip = InetAddress.getByName(staticRoute.split("/")[0]);
228 } catch (UnknownHostException e1) {
235 * Return the bit-mask length of the static route.
236 * @return The bit-mask length
238 public Short getStaticRouteMask() {
240 if (isValidStaticRouteEntry()) {
241 String[] s = staticRoute.split("/");
242 maskLen = (s.length == 2) ? Short.valueOf(s[1]) : 32;
248 * Return the IP address of the next hop.
249 * @return the IP address
251 public InetAddress getNextHopIP() {
252 if ((getNextHopType()
253 .equalsIgnoreCase(StaticRoute.NextHopType.IPADDRESS.toString()))
254 && isValidNextHopIP()) {
255 InetAddress ip = null;
257 ip = InetAddress.getByName(nextHop);
258 } catch (UnknownHostException e1) {
267 * Return the switch ID and the port ID of the next hop address.
268 * @return The switchID (Long) and PortID (Short) in the map
270 public Map<Long, Short> getNextHopSwitchPorts() {
271 // codedSwitchPorts = xx:xx:xx:xx:xx:xx:xx:xx/port-number
272 if (getNextHopType().equalsIgnoreCase(
273 StaticRoute.NextHopType.SWITCHPORT.toString())) {
274 Map<Long, Short> sp = new HashMap<Long, Short>(1);
275 String pieces[] = nextHop.split("/");
276 sp.put(getSwitchIDLong(pieces[0]), Short.valueOf(pieces[1]));
282 private long getSwitchIDLong(String switchId) {
284 String switchString = "0";
286 if (isValidSwitchId(switchId)) {
287 if (switchId.contains(":")) {
288 // Handle the 00:00:AA:BB:CC:DD:EE:FF notation
289 switchString = switchId.replace(":", "");
290 } else if (switchId.contains("-")) {
291 // Handle the 00-00-AA-BB-CC-DD-EE-FF notation
292 switchString = switchId.replace("-", "");
294 // Handle the 0123456789ABCDEF notation
295 switchString = switchId;
298 return Long.parseLong(switchString, radix);
302 * Return all the field names of the config.
303 * @return The list containing all the field names
305 public static List<String> getFieldsNames() {
306 List<String> fieldList = new ArrayList<String>();
307 for (Field fld : StaticRouteConfig.class.getDeclaredFields()) {
308 fieldList.add(fld.getName());
310 //remove the 6 static fields + NextHopType
311 for (short i = 0; i < 7; i++) {
318 * Return all the GUI field names of the config.
319 * @return The list containing all the GUI field names
321 public static List<String> getGuiFieldsNames() {
322 List<String> fieldList = new ArrayList<String>();
323 for (String str : prettyFields) {
330 public int hashCode() {
331 final int prime = 31;
333 result = prime * result + ((name == null) ? 0 : name.hashCode());
334 result = prime * result + ((nextHop == null) ? 0 : nextHop.hashCode());
335 result = prime * result
336 + ((staticRoute == null) ? 0 : staticRoute.hashCode());
341 public boolean equals(Object obj) {
348 if (getClass() != obj.getClass()) {
351 StaticRouteConfig other = (StaticRouteConfig) obj;
353 if (other.name != null)
355 } else if (!name.equals(other.name))
357 if (nextHop == null) {
358 if (other.nextHop != null)
360 } else if (!nextHop.equals(other.nextHop))
362 if (staticRoute == null) {
363 if (other.staticRoute != null)
365 } else if (!staticRoute.equals(other.staticRoute))
371 public String toString() {
372 return "StaticRouteConfig [name=" + name + ", staticRoute="
373 + staticRoute + ", nextHopType=" + nextHopType + ", nextHop="