1 package org.onosproject.segmentrouting.config;
5 import org.onosproject.net.DeviceId;
6 import org.onosproject.net.Link;
7 import org.onosproject.segmentrouting.config.NetworkConfig.LinkConfig;
8 import org.onosproject.segmentrouting.config.NetworkConfig.SwitchConfig;
11 * Exposes methods to retrieve network configuration.
13 * TODO: currently only startup-configuration is exposed and such configuration
14 * cannot be changed at runtime. Need to add runtime support for changes to
15 * configuration (via REST/CLI) in future releases.
17 * TODO: return immutable objects or defensive copies of network config so that
18 * users of this API do not inadvertently or maliciously change network config.
20 * @deprecated in Drake; see org.onosproject.net.config
23 public interface NetworkConfigService {
26 * Suggests the action to be taken by the caller given the configuration
27 * associated with the queried network-object (eg. switch, link etc.).
29 enum NetworkConfigState {
31 * Associated network object has been configured to not be allowed in
37 * Associated network object has been configured to be allowed in the
43 * Associated network object has been configured to be allowed in the
44 * network. In addition, there are configured parameters that should be
45 * added to the object.
51 * Returns the configuration outcome (accept, deny etc.), and any configured
52 * parameters to the caller, in response to a query for the configuration
53 * associated with a switch.
55 class SwitchConfigStatus {
56 private NetworkConfigState configState;
57 private SwitchConfig switchConfig;
60 SwitchConfigStatus(NetworkConfigState configState,
61 SwitchConfig switchConfig, String msg) {
62 this.configState = configState;
63 this.switchConfig = switchConfig;
67 SwitchConfigStatus(NetworkConfigState configState,
68 SwitchConfig switchConfig) {
69 this.configState = configState;
70 this.switchConfig = switchConfig;
75 * Returns the configuration state for the switch.
77 * @return non-null NetworkConfigState
79 public NetworkConfigState getConfigState() {
84 * Returns the switch configuration, which may be null if no
85 * configuration exists, or if the configuration state disallows the
88 * @return SwitchConfig, the switch configuration, or null
90 public SwitchConfig getSwitchConfig() {
95 * User readable string typically used to specify the reason why a
96 * switch is being disallowed.
98 * @return A non-null but possibly empty String
100 public String getMsg() {
107 * Reserved for future use.
109 * Returns the configuration outcome (accept, deny etc.), and any configured
110 * parameters to the caller, in response to a query for the configuration
111 * associated with a link.
113 class LinkConfigStatus {
114 private NetworkConfigState configState;
115 private LinkConfig linkConfig;
118 LinkConfigStatus(NetworkConfigState configState,
119 LinkConfig linkConfig, String msg) {
120 this.configState = configState;
121 this.linkConfig = linkConfig;
125 LinkConfigStatus(NetworkConfigState configState,
126 LinkConfig linkConfig) {
127 this.configState = configState;
128 this.linkConfig = linkConfig;
133 * Returns the configuration state for the link.
135 * @return non-null NetworkConfigState
137 public NetworkConfigState getConfigState() {
142 * Returns the link configuration, which may be null if no configuration
143 * exists, or if the configuration state disallows the link.
145 * @return SwitchConfig, the switch configuration, or null
147 public LinkConfig getLinkConfig() {
152 * User readable string typically used to specify the reason why a link
153 * is being disallowed.
155 * @return msg A non-null but possibly empty String
157 public String getMsg() {
164 * Checks the switch configuration (if any) associated with the 'dpid'.
165 * Determines if the switch should be allowed or denied according to
166 * configuration rules.
168 * The method always returns a non-null SwitchConfigStatus. The enclosed
169 * ConfigState contains the result of the check. The enclosed SwitchConfig
170 * may or may not be null, depending on the outcome of the check.
172 * @param dpid device id of the switch to be queried
173 * @return SwitchConfigStatus with outcome of check and associated config.
175 SwitchConfigStatus checkSwitchConfig(DeviceId dpid);
178 * Reserved for future use.
180 * Checks the link configuration (if any) associated with the 'link'.
181 * Determines if the link should be allowed or denied according to
182 * configuration rules. Note that the 'link' is a unidirectional link which
183 * checked against configuration that is typically defined for a
184 * bidirectional link. The caller may make a second call if it wishes to
185 * check the 'reverse' direction.
187 * Also note that the configuration may not specify ports for a given
188 * bidirectional link. In such cases, the configuration applies to all links
189 * between the two switches. This method will check the given 'link' against
190 * such configuration.
192 * The method always returns a non-null LinkConfigStatus. The enclosed
193 * ConfigState contains the result of the check. The enclosed LinkConfig may
194 * or may not be null, depending on the outcome of the check.
196 * @param linkTuple unidirectional link to be queried
197 * @return LinkConfigStatus with outcome of check and associated config.
199 LinkConfigStatus checkLinkConfig(Link linkTuple);
202 * Retrieves a list of switches that have been configured, and have been
203 * determined to be 'allowed' in the network, according to configuration
206 * Note that it is possible that there are other switches that are allowed
207 * in the network that have NOT been configured. Such switches will not be a
208 * part of the returned list.
210 * Also note that it is possible that some switches will not be discovered
211 * and the only way the controller can know about these switches is via
212 * configuration. Such switches will be included in this list. It is up to
213 * the caller to determine which SwitchConfig applies to non-discovered
216 * @return a non-null List of SwitchConfig which may be empty
218 List<SwitchConfig> getConfiguredAllowedSwitches();
221 * Reserved for future use.
223 * Retrieves a list of links that have been configured, and have been
224 * determined to be 'allowed' in the network, according to configuration
227 * Note that it is possible that there are other links that are allowed in
228 * the network that have NOT been configured. Such links will not be a part
229 * of the returned list.
231 * Also note that it is possible that some links will not be discovered and
232 * the only way the controller can know about these links is via
233 * configuration. Such links will be included in this list. It is up to the
234 * caller to determine which LinkConfig applies to non-discovered links.
236 * In addition, note that the LinkConfig applies to the configured
237 * bi-directional link, which may or may not have declared ports. The
238 * associated unidirectional LinkTuple can be retrieved from the
239 * getLinkTupleList() method in the LinkConfig object.
241 * @return a non-null List of LinkConfig which may be empty
243 List<LinkConfig> getConfiguredAllowedLinks();
246 * Retrieves the Dpid associated with a 'name' for a configured switch
247 * object. This method does not check of the switches are 'allowed' by
250 * @param name device name
251 * @return the Dpid corresponding to a given 'name', or null if no
252 * configured switch was found for the given 'name'.
254 DeviceId getDpidForName(String name);