Naoki Shiota | 399a0b3 | 2015-11-15 20:36:13 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014-2015 Open Networking Laboratory |
| 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.provider.lldp.impl; |
| 17 | |
| 18 | import com.fasterxml.jackson.core.JsonProcessingException; |
| 19 | import com.fasterxml.jackson.databind.JsonNode; |
| 20 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 21 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 22 | import com.google.common.collect.ImmutableList; |
| 23 | import com.google.common.collect.ImmutableMap; |
| 24 | import com.google.common.collect.ImmutableSet; |
| 25 | import com.google.common.collect.Maps; |
| 26 | |
| 27 | import org.onosproject.core.ApplicationId; |
| 28 | import org.onosproject.net.Device; |
| 29 | import org.onosproject.net.DeviceId; |
| 30 | import org.onosproject.net.config.Config; |
| 31 | import org.slf4j.Logger; |
| 32 | |
| 33 | import java.io.IOException; |
| 34 | import java.util.Iterator; |
| 35 | import java.util.List; |
| 36 | import java.util.Map; |
| 37 | import java.util.Set; |
| 38 | import static org.onosproject.provider.lldp.impl.LldpLinkProvider.DEFAULT_RULES; |
| 39 | import static org.slf4j.LoggerFactory.getLogger; |
| 40 | |
| 41 | /** |
| 42 | * LLDP suppression config class. |
| 43 | */ |
| 44 | public class SuppressionConfig extends Config<ApplicationId> { |
| 45 | private static final String DEVICE_IDS = "deviceIds"; |
| 46 | private static final String DEVICE_TYPES = "deviceTypes"; |
| 47 | private static final String ANNOTATION = "annotation"; |
| 48 | |
| 49 | private static final ObjectMapper MAPPER = new ObjectMapper(); |
| 50 | private static final List<DeviceId> DEFAULT_DEVICE_IDS |
| 51 | = ImmutableList.copyOf(DEFAULT_RULES.getSuppressedDevice()); |
| 52 | private static final List<Device.Type> DEFAULT_DEVICE_TYPES |
| 53 | = ImmutableList.copyOf(DEFAULT_RULES.getSuppressedDeviceType()); |
| 54 | |
| 55 | private final Logger log = getLogger(getClass()); |
| 56 | |
| 57 | /** |
| 58 | * Returns device IDs on which LLDP is suppressed. |
| 59 | * |
| 60 | * @return Set of DeviceId objects |
| 61 | */ |
| 62 | @Deprecated |
| 63 | public Set<DeviceId> deviceIds() { |
| 64 | return ImmutableSet.copyOf(getList(DEVICE_IDS, DeviceId::deviceId, DEFAULT_DEVICE_IDS)); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Sets device IDs on which LLDP is suppressed. |
| 69 | * |
| 70 | * @param deviceIds new set of device IDs; null to clear |
| 71 | * @return self |
| 72 | */ |
| 73 | @Deprecated |
| 74 | public SuppressionConfig deviceIds(Set<DeviceId> deviceIds) { |
| 75 | return (SuppressionConfig) setOrClear(DEVICE_IDS, deviceIds); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Returns types of devices on which LLDP is suppressed. |
| 80 | * |
| 81 | * @return set of device types |
| 82 | */ |
| 83 | public Set<Device.Type> deviceTypes() { |
| 84 | return ImmutableSet.copyOf(getList(DEVICE_TYPES, Device.Type::valueOf, DEFAULT_DEVICE_TYPES)); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Sets types of devices on which LLDP is suppressed. |
| 89 | * |
| 90 | * @param deviceTypes new set of device types; null to clear |
| 91 | * @return self |
| 92 | */ |
| 93 | public SuppressionConfig deviceTypes(Set<Device.Type> deviceTypes) { |
| 94 | return (SuppressionConfig) setOrClear(DEVICE_TYPES, deviceTypes); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Returns annotation of Ports on which LLDP is suppressed. |
| 99 | * |
| 100 | * @return key-value pairs of annotation |
| 101 | */ |
| 102 | public Map<String, String> annotation() { |
| 103 | ImmutableMap.Builder<String, String> builder = ImmutableMap.builder(); |
| 104 | |
| 105 | String jsonAnnotation = get(ANNOTATION, null); |
| 106 | if (jsonAnnotation == null || jsonAnnotation.isEmpty()) { |
| 107 | return ImmutableMap.of(); |
| 108 | } |
| 109 | |
| 110 | JsonNode annotationNode; |
| 111 | try { |
| 112 | annotationNode = MAPPER.readTree(jsonAnnotation); |
| 113 | } catch (IOException e) { |
| 114 | log.error("Failed to read JSON tree from: {}", jsonAnnotation); |
| 115 | return ImmutableMap.of(); |
| 116 | } |
| 117 | |
| 118 | if (annotationNode.isObject()) { |
| 119 | ObjectNode obj = (ObjectNode) annotationNode; |
| 120 | Iterator<Map.Entry<String, JsonNode>> it = obj.fields(); |
| 121 | while (it.hasNext()) { |
| 122 | Map.Entry<String, JsonNode> entry = it.next(); |
| 123 | final String key = entry.getKey(); |
| 124 | final JsonNode value = entry.getValue(); |
| 125 | |
| 126 | if (value.isValueNode()) { |
| 127 | if (value.isNull()) { |
| 128 | builder.put(key, SuppressionRules.ANY_VALUE); |
| 129 | } else { |
| 130 | builder.put(key, value.asText()); |
| 131 | } |
| 132 | } else { |
| 133 | log.warn("Encountered unexpected JSON field {} for annotation", entry); |
| 134 | } |
| 135 | } |
| 136 | } else { |
| 137 | log.error("Encountered unexpected JSONNode {} for annotation", annotationNode); |
| 138 | return ImmutableMap.of(); |
| 139 | } |
| 140 | |
| 141 | return builder.build(); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Sets annotation of Ports on which LLDP is suppressed. |
| 146 | * |
| 147 | * @param annotation new key-value pair of annotation; null to clear |
| 148 | * @return self |
| 149 | */ |
| 150 | public SuppressionConfig annotation(Map<String, String> annotation) { |
| 151 | |
| 152 | // ANY_VALUE should be null in JSON |
| 153 | Map<String, String> config = Maps.transformValues(annotation, |
| 154 | v -> (v == SuppressionRules.ANY_VALUE) ? null : v); |
| 155 | |
| 156 | String jsonAnnotation = null; |
| 157 | |
| 158 | try { |
| 159 | // TODO Store annotation as a Map instead of a String (which needs NetworkConfigRegistry modification) |
| 160 | jsonAnnotation = MAPPER.writeValueAsString(config); |
| 161 | } catch (JsonProcessingException e) { |
| 162 | log.error("Failed to write JSON from: {}", annotation); |
| 163 | } |
| 164 | |
| 165 | return (SuppressionConfig) setOrClear(ANNOTATION, jsonAnnotation); |
| 166 | } |
| 167 | } |