| package org.onlab.onos.net.flow; |
| |
| import org.onlab.onos.net.DeviceId; |
| |
| /** |
| * Service for injecting flow rules into the environment and for obtaining |
| * information about flow rules already in the environment. This implements |
| * semantics of a distributed authoritative flow table where the master copy |
| * of the flow rules lies with the controller and the devices hold only the |
| * 'cached' copy. |
| */ |
| public interface FlowRuleService { |
| |
| /** |
| * Returns the collection of flow entries applied on the specified device. |
| * This will include flow rules which may not yet have been applied to |
| * the device. |
| * |
| * @param deviceId device identifier |
| * @return collection of flow rules |
| */ |
| Iterable<FlowEntry> getFlowEntries(DeviceId deviceId); |
| |
| /** |
| * Applies the specified flow rules onto their respective devices. These |
| * flow rules will be retained by the system and re-applied anytime the |
| * device reconnects to the controller. |
| * |
| * @param flowRules one or more flow rules |
| * throws SomeKindOfException that indicates which ones were applied and |
| * which ones failed |
| */ |
| void applyFlowRules(FlowRule... flowRules); |
| |
| /** |
| * Removes the specified flow rules from their respective devices. If the |
| * device is not presently connected to the controller, these flow will |
| * be removed once the device reconnects. |
| * |
| * @param flowRules one or more flow rules |
| * throws SomeKindOfException that indicates which ones were removed and |
| * which ones failed |
| */ |
| void removeFlowRules(FlowRule... flowRules); |
| |
| |
| // void addInitialFlowContributor(InitialFlowContributor contributor); |
| // void removeInitialFlowContributor(InitialFlowContributor contributor); |
| |
| /** |
| * Adds the specified flow rule listener. |
| * |
| * @param listener flow rule listener |
| */ |
| void addListener(FlowRuleListener listener); |
| |
| /** |
| * Removes the specified flow rule listener. |
| * |
| * @param listener flow rule listener |
| */ |
| void removeListener(FlowRuleListener listener); |
| |
| } |