Thomas Vachuska | 83e090e | 2014-10-22 14:25:35 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
Thomas Vachuska | 83e090e | 2014-10-22 14:25:35 -0700 | [diff] [blame] | 3 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
Thomas Vachuska | 83e090e | 2014-10-22 14:25:35 -0700 | [diff] [blame] | 7 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
Thomas Vachuska | 83e090e | 2014-10-22 14:25:35 -0700 | [diff] [blame] | 15 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.net.flow; |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 17 | |
Sangsik Yoon | b1b823f | 2016-05-16 18:55:39 +0900 | [diff] [blame] | 18 | import com.google.common.collect.Iterables; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 19 | import org.onosproject.core.ApplicationId; |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 20 | import org.onosproject.event.ListenerService; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 21 | import org.onosproject.net.DeviceId; |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 22 | |
| 23 | /** |
| 24 | * Service for injecting flow rules into the environment and for obtaining |
tom | 4d0c663 | 2014-09-15 23:27:01 -0700 | [diff] [blame] | 25 | * information about flow rules already in the environment. This implements |
| 26 | * semantics of a distributed authoritative flow table where the master copy |
| 27 | * of the flow rules lies with the controller and the devices hold only the |
| 28 | * 'cached' copy. |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 29 | */ |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 30 | public interface FlowRuleService |
| 31 | extends ListenerService<FlowRuleEvent, FlowRuleListener> { |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 32 | |
| 33 | /** |
Brian O'Connor | 72cb19a | 2015-01-16 16:14:41 -0800 | [diff] [blame] | 34 | * The topic used for obtaining globally unique ids. |
| 35 | */ |
Sho SHIMIZU | e2952e4 | 2015-09-11 17:11:21 -0700 | [diff] [blame] | 36 | String FLOW_OP_TOPIC = "flow-ops-ids"; |
Brian O'Connor | 72cb19a | 2015-01-16 16:14:41 -0800 | [diff] [blame] | 37 | |
| 38 | /** |
tom | 9b4030d | 2014-10-06 10:39:03 -0700 | [diff] [blame] | 39 | * Returns the number of flow rules in the system. |
| 40 | * |
| 41 | * @return flow rule count |
| 42 | */ |
| 43 | int getFlowRuleCount(); |
| 44 | |
| 45 | /** |
Thomas Vachuska | a8e7477 | 2018-02-26 11:33:35 -0800 | [diff] [blame] | 46 | * Returns the number of flow rules for the given device. |
| 47 | * |
| 48 | * @param deviceId device identifier |
| 49 | * @return number of flow rules for the given device |
| 50 | */ |
| 51 | default int getFlowRuleCount(DeviceId deviceId) { |
| 52 | return 0; |
| 53 | } |
| 54 | |
| 55 | /** |
Jordan Halterman | b81fdc1 | 2019-03-04 18:12:20 -0800 | [diff] [blame] | 56 | * Returns the number of flow rules in the given state for the given device. |
| 57 | * |
| 58 | * @param deviceId the device identifier |
| 59 | * @param state the state for which to count flow rules |
| 60 | * @return number of flow rules in the given state for the given device |
| 61 | */ |
| 62 | default int getFlowRuleCount(DeviceId deviceId, FlowEntry.FlowEntryState state) { |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | /** |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 67 | * Returns the collection of flow entries applied on the specified device. |
tom | 4d0c663 | 2014-09-15 23:27:01 -0700 | [diff] [blame] | 68 | * This will include flow rules which may not yet have been applied to |
| 69 | * the device. |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 70 | * |
| 71 | * @param deviceId device identifier |
| 72 | * @return collection of flow rules |
| 73 | */ |
alshabib | 1c319ff | 2014-10-04 20:29:09 -0700 | [diff] [blame] | 74 | Iterable<FlowEntry> getFlowEntries(DeviceId deviceId); |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 75 | |
| 76 | /** |
Sangsik Yoon | b1b823f | 2016-05-16 18:55:39 +0900 | [diff] [blame] | 77 | * Returns a list of rules filtered by device id and flow live type. |
| 78 | * |
| 79 | * @param deviceId the device id to lookup |
| 80 | * @param liveType the flow live type to lookup |
| 81 | * @return collection of flow entries |
| 82 | */ |
| 83 | default Iterable<FlowEntry> getFlowEntriesByLiveType(DeviceId deviceId, |
| 84 | FlowEntry.FlowLiveType liveType) { |
| 85 | return Iterables.filter(getFlowEntries(deviceId), fe -> fe.liveType() == liveType); |
| 86 | } |
| 87 | |
Georgios Katsikas | 5eba8aa | 2017-07-23 18:27:48 +0200 | [diff] [blame] | 88 | /** |
| 89 | * Returns a list of rules filtered by device id and flow state. |
| 90 | * |
| 91 | * @param deviceId the device id to lookup |
| 92 | * @param flowState the flow state to lookup |
| 93 | * @return collection of flow entries |
| 94 | */ |
| 95 | default Iterable<FlowEntry> getFlowEntriesByState(DeviceId deviceId, |
| 96 | FlowEntry.FlowEntryState flowState) { |
| 97 | return Iterables.filter(getFlowEntries(deviceId), fe -> fe.state() == flowState); |
| 98 | } |
| 99 | |
Sangsik Yoon | b1b823f | 2016-05-16 18:55:39 +0900 | [diff] [blame] | 100 | // TODO: add createFlowRule factory method and execute operations method |
| 101 | |
| 102 | /** |
tom | 4d0c663 | 2014-09-15 23:27:01 -0700 | [diff] [blame] | 103 | * Applies the specified flow rules onto their respective devices. These |
| 104 | * flow rules will be retained by the system and re-applied anytime the |
| 105 | * device reconnects to the controller. |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 106 | * |
| 107 | * @param flowRules one or more flow rules |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 108 | */ |
alshabib | 219ebaa | 2014-09-22 15:41:24 -0700 | [diff] [blame] | 109 | void applyFlowRules(FlowRule... flowRules); |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 110 | |
| 111 | /** |
Kavitha Alagesan | c69c66a | 2016-06-15 14:26:04 +0530 | [diff] [blame] | 112 | * Purges all the flow rules on the specified device. |
| 113 | * @param deviceId device identifier |
| 114 | */ |
| 115 | void purgeFlowRules(DeviceId deviceId); |
| 116 | |
| 117 | /** |
Daniele Moro | cfd7740 | 2021-07-15 17:02:59 +0200 | [diff] [blame] | 118 | * Purges all the flow rules on the specified device from the given application id. |
| 119 | * @param deviceId device identifier |
| 120 | * @param appId application identifier |
| 121 | */ |
| 122 | default void purgeFlowRules(DeviceId deviceId, ApplicationId appId) { |
| 123 | throw new UnsupportedOperationException("purgeFlowRules not implemented!"); |
| 124 | } |
| 125 | |
| 126 | /** |
tom | 4d0c663 | 2014-09-15 23:27:01 -0700 | [diff] [blame] | 127 | * Removes the specified flow rules from their respective devices. If the |
| 128 | * device is not presently connected to the controller, these flow will |
| 129 | * be removed once the device reconnects. |
alshabib | 369d294 | 2014-09-12 17:59:35 -0700 | [diff] [blame] | 130 | * |
| 131 | * @param flowRules one or more flow rules |
alshabib | 369d294 | 2014-09-12 17:59:35 -0700 | [diff] [blame] | 132 | */ |
| 133 | void removeFlowRules(FlowRule... flowRules); |
| 134 | |
alshabib | a68eb96 | 2014-09-24 20:34:13 -0700 | [diff] [blame] | 135 | /** |
Jonathan Hart | 3fc7e83 | 2016-05-23 15:41:11 -0700 | [diff] [blame] | 136 | * Removes all rules submitted by a particular application. |
alshabib | a68eb96 | 2014-09-24 20:34:13 -0700 | [diff] [blame] | 137 | * |
Jonathan Hart | 3fc7e83 | 2016-05-23 15:41:11 -0700 | [diff] [blame] | 138 | * @param appId ID of application whose flows will be removed |
alshabib | a68eb96 | 2014-09-24 20:34:13 -0700 | [diff] [blame] | 139 | */ |
| 140 | void removeFlowRulesById(ApplicationId appId); |
| 141 | |
| 142 | /** |
Jonathan Hart | 3fc7e83 | 2016-05-23 15:41:11 -0700 | [diff] [blame] | 143 | * Returns a list of rules with this application ID. |
alshabib | a68eb96 | 2014-09-24 20:34:13 -0700 | [diff] [blame] | 144 | * |
Jonathan Hart | 3fc7e83 | 2016-05-23 15:41:11 -0700 | [diff] [blame] | 145 | * @param id the application ID to look up |
alshabib | a68eb96 | 2014-09-24 20:34:13 -0700 | [diff] [blame] | 146 | * @return collection of flow rules |
| 147 | */ |
Bharath Thiruveedula | 99849dc | 2016-11-17 22:04:38 +0530 | [diff] [blame] | 148 | Iterable<FlowEntry> getFlowEntriesById(ApplicationId id); |
| 149 | |
| 150 | /** |
Jonathan Hart | 5acc88a | 2016-05-23 10:50:20 -0700 | [diff] [blame] | 151 | * Returns a list of rules filtered by application and group id. |
| 152 | * <p> |
| 153 | * Note that the group concept here is simply a logical grouping of flows. |
| 154 | * This is not the same as a group in the |
| 155 | * {@link org.onosproject.net.group.GroupService}, and this method will not |
| 156 | * return flows that are mapped to a particular {@link org.onosproject.net.group.Group}. |
| 157 | * </p> |
alshabib | aa7e7de | 2014-11-12 19:20:44 -0800 | [diff] [blame] | 158 | * |
Jonathan Hart | 5acc88a | 2016-05-23 10:50:20 -0700 | [diff] [blame] | 159 | * @param appId the application ID to look up |
| 160 | * @param groupId the group ID to look up |
alshabib | aa7e7de | 2014-11-12 19:20:44 -0800 | [diff] [blame] | 161 | * @return collection of flow rules |
| 162 | */ |
| 163 | Iterable<FlowRule> getFlowRulesByGroupId(ApplicationId appId, short groupId); |
| 164 | |
| 165 | /** |
alshabib | 902d41b | 2014-10-07 16:52:05 -0700 | [diff] [blame] | 166 | * Applies a batch operation of FlowRules. |
| 167 | * |
Brian O'Connor | 72cb19a | 2015-01-16 16:14:41 -0800 | [diff] [blame] | 168 | * @param ops batch operation to apply |
| 169 | */ |
| 170 | void apply(FlowRuleOperations ops); |
| 171 | |
Srikanth Vavilapalli | 95810f5 | 2015-09-14 15:49:56 -0700 | [diff] [blame] | 172 | /** |
| 173 | * Returns the collection of flow table statistics of the specified device. |
| 174 | * |
| 175 | * @param deviceId device identifier |
| 176 | * @return collection of flow table statistics |
| 177 | */ |
| 178 | Iterable<TableStatisticsEntry> getFlowTableStatistics(DeviceId deviceId); |
Patryk Konopka | 7e40c01 | 2017-06-06 13:38:06 +0200 | [diff] [blame] | 179 | |
| 180 | /** |
| 181 | * Returns number of flow rules in ADDED state for specified device. |
| 182 | * |
| 183 | * @param deviceId device identifier |
| 184 | * @return number of flow rules in ADDED state |
Jordan Halterman | b81fdc1 | 2019-03-04 18:12:20 -0800 | [diff] [blame] | 185 | * @deprecated since 2.1 |
Patryk Konopka | 7e40c01 | 2017-06-06 13:38:06 +0200 | [diff] [blame] | 186 | */ |
Jordan Halterman | b81fdc1 | 2019-03-04 18:12:20 -0800 | [diff] [blame] | 187 | @Deprecated |
Patryk Konopka | 7e40c01 | 2017-06-06 13:38:06 +0200 | [diff] [blame] | 188 | default long getActiveFlowRuleCount(DeviceId deviceId) { |
| 189 | return 0; |
| 190 | } |
tom | 8bb1606 | 2014-09-12 14:47:46 -0700 | [diff] [blame] | 191 | } |