Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 1 | /* |
Ray Milkey | 34c9590 | 2015-04-15 09:47:53 -0700 | [diff] [blame] | 2 | * Copyright 2014-2015 Open Networking Laboratory |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 3 | * |
| 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 |
| 7 | * |
| 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. |
| 15 | */ |
Jonathan Hart | 9bb32ab | 2015-05-05 18:17:31 -0700 | [diff] [blame] | 16 | package org.onosproject.rest.resources; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 17 | |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 18 | import java.io.IOException; |
| 19 | import java.io.InputStream; |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 20 | import java.net.URI; |
| 21 | import java.net.URISyntaxException; |
| 22 | import java.util.stream.StreamSupport; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 23 | |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 24 | import javax.ws.rs.Consumes; |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 25 | import javax.ws.rs.DELETE; |
Thomas Vachuska | 8683e01 | 2015-03-18 18:03:33 -0700 | [diff] [blame] | 26 | import javax.ws.rs.GET; |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 27 | import javax.ws.rs.POST; |
Thomas Vachuska | 8683e01 | 2015-03-18 18:03:33 -0700 | [diff] [blame] | 28 | import javax.ws.rs.Path; |
| 29 | import javax.ws.rs.PathParam; |
| 30 | import javax.ws.rs.Produces; |
| 31 | import javax.ws.rs.core.MediaType; |
| 32 | import javax.ws.rs.core.Response; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 33 | |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 34 | import org.onlab.util.ItemNotFoundException; |
| 35 | import org.onosproject.net.Device; |
| 36 | import org.onosproject.net.DeviceId; |
| 37 | import org.onosproject.net.device.DeviceService; |
| 38 | import org.onosproject.net.flow.FlowEntry; |
| 39 | import org.onosproject.net.flow.FlowRule; |
| 40 | import org.onosproject.net.flow.FlowRuleService; |
| 41 | import org.onosproject.rest.AbstractWebResource; |
| 42 | |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 43 | import com.fasterxml.jackson.databind.JsonNode; |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 44 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 45 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 46 | |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 47 | /** |
| 48 | * REST resource for interacting with the inventory of flows. |
| 49 | */ |
| 50 | |
| 51 | @Path("flows") |
| 52 | public class FlowsWebResource extends AbstractWebResource { |
| 53 | public static final String DEVICE_NOT_FOUND = "Device is not found"; |
| 54 | |
| 55 | final FlowRuleService service = get(FlowRuleService.class); |
| 56 | final ObjectNode root = mapper().createObjectNode(); |
| 57 | final ArrayNode flowsNode = root.putArray("flows"); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 58 | |
| 59 | /** |
| 60 | * Gets an array containing all the intents in the system. |
| 61 | * |
| 62 | * @return array of all the intents in the system |
| 63 | */ |
| 64 | @GET |
| 65 | @Produces(MediaType.APPLICATION_JSON) |
| 66 | public Response getFlows() { |
| 67 | |
| 68 | final Iterable<Device> devices = get(DeviceService.class).getDevices(); |
| 69 | for (final Device device : devices) { |
| 70 | final Iterable<FlowEntry> deviceEntries = service.getFlowEntries(device.id()); |
| 71 | if (deviceEntries != null) { |
| 72 | for (final FlowEntry entry : deviceEntries) { |
Thomas Vachuska | 8683e01 | 2015-03-18 18:03:33 -0700 | [diff] [blame] | 73 | flowsNode.add(codec(FlowEntry.class).encode(entry, this)); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
Ray Milkey | 3f02569 | 2015-01-26 11:15:41 -0800 | [diff] [blame] | 78 | return ok(root).build(); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Gets the flows for a device, where the device is specified by Id. |
| 83 | * |
| 84 | * @param deviceId Id of device to look up |
| 85 | * @return flow data as an array |
| 86 | */ |
| 87 | @GET |
| 88 | @Produces(MediaType.APPLICATION_JSON) |
| 89 | @Path("{deviceId}") |
| 90 | public Response getFlowByDeviceId(@PathParam("deviceId") String deviceId) { |
| 91 | final Iterable<FlowEntry> deviceEntries = |
| 92 | service.getFlowEntries(DeviceId.deviceId(deviceId)); |
| 93 | |
| 94 | if (!deviceEntries.iterator().hasNext()) { |
| 95 | throw new ItemNotFoundException(DEVICE_NOT_FOUND); |
| 96 | } |
| 97 | for (final FlowEntry entry : deviceEntries) { |
Thomas Vachuska | 8683e01 | 2015-03-18 18:03:33 -0700 | [diff] [blame] | 98 | flowsNode.add(codec(FlowEntry.class).encode(entry, this)); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 99 | } |
Ray Milkey | 3f02569 | 2015-01-26 11:15:41 -0800 | [diff] [blame] | 100 | return ok(root).build(); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Gets the flows for a device, where the device is specified by Id. |
| 105 | * |
| 106 | * @param deviceId Id of device to look up |
Thomas Vachuska | 8683e01 | 2015-03-18 18:03:33 -0700 | [diff] [blame] | 107 | * @param flowId Id of flow to look up |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 108 | * @return flow data as an array |
| 109 | */ |
| 110 | @GET |
| 111 | @Produces(MediaType.APPLICATION_JSON) |
| 112 | @Path("{deviceId}/{flowId}") |
| 113 | public Response getFlowByDeviceIdAndFlowId(@PathParam("deviceId") String deviceId, |
| 114 | @PathParam("flowId") long flowId) { |
| 115 | final Iterable<FlowEntry> deviceEntries = |
| 116 | service.getFlowEntries(DeviceId.deviceId(deviceId)); |
| 117 | |
| 118 | if (!deviceEntries.iterator().hasNext()) { |
| 119 | throw new ItemNotFoundException(DEVICE_NOT_FOUND); |
| 120 | } |
| 121 | for (final FlowEntry entry : deviceEntries) { |
| 122 | if (entry.id().value() == flowId) { |
Thomas Vachuska | 8683e01 | 2015-03-18 18:03:33 -0700 | [diff] [blame] | 123 | flowsNode.add(codec(FlowEntry.class).encode(entry, this)); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 124 | } |
| 125 | } |
Ray Milkey | 3f02569 | 2015-01-26 11:15:41 -0800 | [diff] [blame] | 126 | return ok(root).build(); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 127 | } |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 128 | |
| 129 | /** |
| 130 | * Creates a flow rule from a POST of a JSON string and attempts to apply it. |
| 131 | * |
Madan Jampani | 0dbac7a | 2015-06-25 10:37:45 -0700 | [diff] [blame] | 132 | * @param deviceId device identifier |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 133 | * @param stream input JSON |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 134 | * @return status of the request - CREATED if the JSON is correct, |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 135 | * BAD_REQUEST if the JSON is invalid |
| 136 | */ |
| 137 | @POST |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 138 | @Path("{deviceId}") |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 139 | @Consumes(MediaType.APPLICATION_JSON) |
| 140 | @Produces(MediaType.APPLICATION_JSON) |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 141 | public Response createFlow(@PathParam("deviceId") String deviceId, |
| 142 | InputStream stream) { |
| 143 | URI location; |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 144 | try { |
| 145 | FlowRuleService service = get(FlowRuleService.class); |
| 146 | ObjectNode root = (ObjectNode) mapper().readTree(stream); |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 147 | JsonNode specifiedDeviceId = root.get("deviceId"); |
| 148 | if (specifiedDeviceId != null && |
| 149 | !specifiedDeviceId.asText().equals(deviceId)) { |
| 150 | throw new IllegalArgumentException( |
| 151 | "Invalid deviceId in flow creation request"); |
| 152 | } |
| 153 | root.put("deviceId", deviceId); |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 154 | FlowRule rule = codec(FlowRule.class).decode(root, this); |
| 155 | service.applyFlowRules(rule); |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 156 | location = new URI(Long.toString(rule.id().value())); |
| 157 | } catch (IOException | URISyntaxException ex) { |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 158 | return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build(); |
| 159 | } |
Ray Milkey | eb5c717 | 2015-06-23 14:59:27 -0700 | [diff] [blame] | 160 | return Response |
| 161 | .created(location) |
| 162 | .build(); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Removes the flows for a given device with the given flow id. |
| 167 | * |
| 168 | * @param deviceId Id of device to look up |
| 169 | * @param flowId Id of flow to look up |
| 170 | */ |
| 171 | @DELETE |
| 172 | @Produces(MediaType.APPLICATION_JSON) |
| 173 | @Path("{deviceId}/{flowId}") |
| 174 | public void deleteFlowByDeviceIdAndFlowId(@PathParam("deviceId") String deviceId, |
| 175 | @PathParam("flowId") long flowId) { |
| 176 | final Iterable<FlowEntry> deviceEntries = |
| 177 | service.getFlowEntries(DeviceId.deviceId(deviceId)); |
| 178 | |
| 179 | if (!deviceEntries.iterator().hasNext()) { |
| 180 | throw new ItemNotFoundException(DEVICE_NOT_FOUND); |
| 181 | } |
| 182 | |
| 183 | StreamSupport.stream(deviceEntries.spliterator(), false) |
| 184 | .filter(entry -> entry.id().value() == flowId) |
| 185 | .forEach(service::removeFlowRules); |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 186 | } |
| 187 | |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 188 | } |