Sangsik Yoon | f0b3ad8 | 2016-08-19 18:47:59 +0900 | [diff] [blame] | 1 | /* |
Thomas Vachuska | 52f2cd1 | 2018-11-08 21:20:04 -0800 | [diff] [blame] | 2 | * Copyright 2018-present Open Networking Foundation |
Sangsik Yoon | f0b3ad8 | 2016-08-19 18:47:59 +0900 | [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 | |
| 17 | package org.onosproject.incubator.net.dpi; |
| 18 | |
| 19 | import com.fasterxml.jackson.databind.JsonNode; |
| 20 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 21 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 22 | import org.onosproject.codec.CodecContext; |
| 23 | import org.onosproject.codec.JsonCodec; |
| 24 | import org.slf4j.Logger; |
| 25 | |
| 26 | import java.util.ArrayList; |
| 27 | import java.util.List; |
| 28 | import java.util.stream.IntStream; |
| 29 | |
| 30 | import static com.google.common.base.Preconditions.checkNotNull; |
| 31 | import static org.slf4j.LoggerFactory.getLogger; |
| 32 | |
| 33 | /** |
| 34 | * Implementation of encoder for DpiStatInfo codec. |
| 35 | */ |
| 36 | public final class DpiStatInfoCodec extends JsonCodec<DpiStatInfo> { |
| 37 | |
| 38 | private static final String TRAFFIC_STATISTICS = "trafficStatistics"; |
| 39 | private static final String DETECTED_PROTOS = "detectedProtos"; |
| 40 | private static final String KNOWN_FLOWS = "knownFlows"; |
| 41 | private static final String UNKNOWN_FLOWS = "unknownFlows"; |
| 42 | |
| 43 | private final Logger log = getLogger(getClass()); |
| 44 | |
| 45 | @Override |
| 46 | public ObjectNode encode(DpiStatInfo dsi, CodecContext context) { |
| 47 | checkNotNull(dsi, "DpiStatInfo cannot be null"); |
| 48 | |
| 49 | final ObjectNode result = context.mapper().createObjectNode(); |
| 50 | |
| 51 | final JsonCodec<TrafficStatInfo> trafficStatInfoCodec = |
| 52 | context.codec(TrafficStatInfo.class); |
| 53 | |
| 54 | |
| 55 | final TrafficStatInfo tsi = dsi.trafficStatistics(); |
| 56 | if (tsi != null) { |
| 57 | final ObjectNode jsonTrafficStatistics = trafficStatInfoCodec.encode(tsi, context); |
| 58 | result.set(TRAFFIC_STATISTICS, jsonTrafficStatistics); |
| 59 | } |
| 60 | |
| 61 | |
| 62 | final List<ProtocolStatInfo> psi = dsi.detectedProtos(); |
| 63 | if (psi != null) { |
| 64 | final ArrayNode jsonDetectedProtos = result.putArray(DETECTED_PROTOS); |
| 65 | final JsonCodec<ProtocolStatInfo> protocolStatInfoCodec = |
| 66 | context.codec(ProtocolStatInfo.class); |
| 67 | |
| 68 | for (final ProtocolStatInfo protocolStatInfo : psi) { |
| 69 | jsonDetectedProtos.add(protocolStatInfoCodec.encode(protocolStatInfo, context)); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | List<FlowStatInfo> fsi = dsi.knownFlows(); |
| 74 | if (fsi != null) { |
| 75 | final ArrayNode jsonKnownFlows = result.putArray(KNOWN_FLOWS); |
| 76 | final JsonCodec<FlowStatInfo> flowStatInfoCodec = |
| 77 | context.codec(FlowStatInfo.class); |
| 78 | |
| 79 | for (final FlowStatInfo flowStatInfo : fsi) { |
| 80 | jsonKnownFlows.add(flowStatInfoCodec.encode(flowStatInfo, context)); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | fsi = dsi.unknownFlows(); |
| 85 | if (fsi != null) { |
| 86 | final ArrayNode jsonUnknownFlows = result.putArray(UNKNOWN_FLOWS); |
| 87 | final JsonCodec<FlowStatInfo> flowStatInfoCodec = |
| 88 | context.codec(FlowStatInfo.class); |
| 89 | |
| 90 | for (final FlowStatInfo flowStatInfo : fsi) { |
| 91 | jsonUnknownFlows.add(flowStatInfoCodec.encode(flowStatInfo, context)); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | return result; |
| 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public DpiStatInfo decode(ObjectNode json, CodecContext context) { |
| 100 | if (json == null || !json.isObject()) { |
| 101 | return null; |
| 102 | } |
| 103 | |
| 104 | log.debug("trafficStatistics={}, full json={} ", json.get("trafficStatistics"), json); |
| 105 | TrafficStatInfo trafficStatInfo = null; |
| 106 | ObjectNode tsJson = get(json, TRAFFIC_STATISTICS); |
| 107 | if (tsJson != null) { |
| 108 | JsonCodec<TrafficStatInfo> trafficStatInfoJsonCodec = |
| 109 | context.codec(TrafficStatInfo.class); |
| 110 | trafficStatInfo = trafficStatInfoJsonCodec.decode(tsJson, context); |
| 111 | } |
| 112 | |
| 113 | final JsonCodec<ProtocolStatInfo> protocolStatInfoCodec = |
| 114 | context.codec(ProtocolStatInfo.class); |
| 115 | |
| 116 | List<ProtocolStatInfo> detectedProtos = new ArrayList<>(); |
| 117 | JsonNode dpJson = json.get(DETECTED_PROTOS); |
| 118 | if (dpJson != null) { |
| 119 | IntStream.range(0, dpJson.size()) |
| 120 | .forEach(i -> detectedProtos.add( |
| 121 | protocolStatInfoCodec.decode(get(dpJson, i), |
| 122 | context))); |
| 123 | } |
| 124 | |
| 125 | final JsonCodec<FlowStatInfo> flowStatInfoCodec = |
| 126 | context.codec(FlowStatInfo.class); |
| 127 | |
| 128 | List<FlowStatInfo> knownFlows = new ArrayList<>(); |
| 129 | JsonNode kfJson = json.get(KNOWN_FLOWS); |
| 130 | if (kfJson != null) { |
| 131 | IntStream.range(0, kfJson.size()) |
| 132 | .forEach(i -> knownFlows.add( |
| 133 | flowStatInfoCodec.decode(get(kfJson, i), |
| 134 | context))); |
| 135 | } |
| 136 | |
| 137 | List<FlowStatInfo> unknownFlows = new ArrayList<>(); |
| 138 | JsonNode ufJson = json.get(UNKNOWN_FLOWS); |
| 139 | if (ufJson != null) { |
| 140 | IntStream.range(0, ufJson.size()) |
| 141 | .forEach(i -> unknownFlows.add( |
| 142 | flowStatInfoCodec.decode(get(ufJson, i), |
| 143 | context))); |
| 144 | } |
| 145 | |
| 146 | return new DpiStatInfo(trafficStatInfo, |
| 147 | detectedProtos, |
| 148 | knownFlows, |
| 149 | unknownFlows); |
| 150 | } |
| 151 | } |