Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Foundation |
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 | */ |
| 16 | package org.onosproject.codec.impl; |
| 17 | |
Jonathan Hart | aa178db | 2017-04-19 17:11:48 -0400 | [diff] [blame] | 18 | import com.fasterxml.jackson.databind.JsonNode; |
| 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 20 | import com.fasterxml.jackson.databind.node.ObjectNode; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 21 | import org.onosproject.codec.CodecContext; |
| 22 | import org.onosproject.codec.JsonCodec; |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 23 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 24 | import org.onosproject.net.flow.TrafficTreatment; |
| 25 | import org.onosproject.net.flow.instructions.Instruction; |
cansu.toprak | 409289d | 2017-10-27 10:04:05 +0300 | [diff] [blame] | 26 | import org.onosproject.net.flow.instructions.Instructions; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 27 | |
Jonathan Hart | aa178db | 2017-04-19 17:11:48 -0400 | [diff] [blame] | 28 | import java.util.stream.IntStream; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 29 | |
| 30 | import static com.google.common.base.Preconditions.checkNotNull; |
| 31 | |
| 32 | /** |
| 33 | * Traffic treatment codec. |
| 34 | */ |
Ray Milkey | 540b2ce | 2015-02-04 17:50:20 -0800 | [diff] [blame] | 35 | public final class TrafficTreatmentCodec extends JsonCodec<TrafficTreatment> { |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 36 | private static final String INSTRUCTIONS = "instructions"; |
Saurav Das | 1bec2be | 2017-03-06 13:52:48 -0800 | [diff] [blame] | 37 | private static final String DEFERRED = "deferred"; |
Jonathan Hart | aa178db | 2017-04-19 17:11:48 -0400 | [diff] [blame] | 38 | private static final String CLEAR_DEFERRED = "clearDeferred"; |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 39 | |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 40 | @Override |
| 41 | public ObjectNode encode(TrafficTreatment treatment, CodecContext context) { |
| 42 | checkNotNull(treatment, "Traffic treatment cannot be null"); |
| 43 | |
| 44 | final ObjectNode result = context.mapper().createObjectNode(); |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 45 | final ArrayNode jsonInstructions = result.putArray(INSTRUCTIONS); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 46 | |
Ray Milkey | 4250735 | 2015-03-20 15:16:10 -0700 | [diff] [blame] | 47 | final JsonCodec<Instruction> instructionCodec = |
| 48 | context.codec(Instruction.class); |
| 49 | |
| 50 | for (final Instruction instruction : treatment.immediate()) { |
| 51 | jsonInstructions.add(instructionCodec.encode(instruction, context)); |
| 52 | } |
| 53 | |
Konstantinos Kanonakis | c5d93e6 | 2016-04-12 18:51:20 -0500 | [diff] [blame] | 54 | if (treatment.metered() != null) { |
cansu.toprak | 409289d | 2017-10-27 10:04:05 +0300 | [diff] [blame] | 55 | for (Instructions.MeterInstruction instruction : treatment.meters()) { |
| 56 | jsonInstructions.add(instructionCodec.encode(instruction, context)); |
| 57 | } |
Konstantinos Kanonakis | c5d93e6 | 2016-04-12 18:51:20 -0500 | [diff] [blame] | 58 | } |
| 59 | if (treatment.tableTransition() != null) { |
| 60 | jsonInstructions.add(instructionCodec.encode(treatment.tableTransition(), context)); |
| 61 | } |
Jonathan Hart | aa178db | 2017-04-19 17:11:48 -0400 | [diff] [blame] | 62 | if (treatment.clearedDeferred()) { |
| 63 | result.put(CLEAR_DEFERRED, true); |
| 64 | } |
Konstantinos Kanonakis | c5d93e6 | 2016-04-12 18:51:20 -0500 | [diff] [blame] | 65 | |
Jonathan Hart | aa178db | 2017-04-19 17:11:48 -0400 | [diff] [blame] | 66 | final ArrayNode jsonDeferred = result.putArray(DEFERRED); |
Ray Milkey | 4250735 | 2015-03-20 15:16:10 -0700 | [diff] [blame] | 67 | |
| 68 | for (final Instruction instruction : treatment.deferred()) { |
| 69 | jsonDeferred.add(instructionCodec.encode(instruction, context)); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | return result; |
| 73 | } |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 74 | |
| 75 | @Override |
| 76 | public TrafficTreatment decode(ObjectNode json, CodecContext context) { |
| 77 | final JsonCodec<Instruction> instructionsCodec = |
| 78 | context.codec(Instruction.class); |
| 79 | |
| 80 | JsonNode instructionsJson = json.get(INSTRUCTIONS); |
| 81 | TrafficTreatment.Builder builder = DefaultTrafficTreatment.builder(); |
| 82 | if (instructionsJson != null) { |
| 83 | IntStream.range(0, instructionsJson.size()) |
| 84 | .forEach(i -> builder.add( |
Ray Milkey | b82c42b | 2015-06-30 09:42:20 -0700 | [diff] [blame] | 85 | instructionsCodec.decode(get(instructionsJson, i), |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 86 | context))); |
| 87 | } |
Saurav Das | 1bec2be | 2017-03-06 13:52:48 -0800 | [diff] [blame] | 88 | |
Jonathan Hart | aa178db | 2017-04-19 17:11:48 -0400 | [diff] [blame] | 89 | JsonNode clearDeferred = json.get(CLEAR_DEFERRED); |
| 90 | if (clearDeferred != null && clearDeferred.asBoolean(false)) { |
| 91 | builder.wipeDeferred(); |
| 92 | } |
| 93 | |
Saurav Das | 1bec2be | 2017-03-06 13:52:48 -0800 | [diff] [blame] | 94 | JsonNode deferredJson = json.get(DEFERRED); |
| 95 | if (deferredJson != null) { |
| 96 | IntStream.range(0, deferredJson.size()) |
| 97 | .forEach(i -> builder.deferred().add( |
| 98 | instructionsCodec.decode(get(deferredJson, i), |
| 99 | context))); |
| 100 | } |
| 101 | |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 102 | return builder.build(); |
| 103 | } |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 104 | } |