Thomas Vachuska | b51b8bc | 2015-07-27 08:37:12 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Laboratory |
Thomas Vachuska | b51b8bc | 2015-07-27 08:37:12 -0700 | [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.onlab.stc; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 20 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 21 | import com.google.common.collect.Maps; |
| 22 | import org.onlab.stc.MonitorLayout.Box; |
| 23 | |
| 24 | import java.io.FileWriter; |
| 25 | import java.io.IOException; |
| 26 | import java.io.PrintWriter; |
| 27 | import java.util.Map; |
| 28 | |
| 29 | import static org.onlab.stc.Coordinator.Status.IN_PROGRESS; |
| 30 | |
| 31 | /** |
| 32 | * Scenario test monitor. |
| 33 | */ |
| 34 | public class Monitor implements StepProcessListener { |
| 35 | |
| 36 | private final ObjectMapper mapper = new ObjectMapper(); |
| 37 | |
| 38 | private final Coordinator coordinator; |
| 39 | private final Compiler compiler; |
| 40 | private final MonitorLayout layout; |
| 41 | |
| 42 | private MonitorDelegate delegate; |
| 43 | |
| 44 | private Map<Step, Box> boxes = Maps.newHashMap(); |
| 45 | |
| 46 | /** |
| 47 | * Creates a new shared process flow monitor. |
| 48 | * |
| 49 | * @param coordinator process flow coordinator |
| 50 | * @param compiler scenario compiler |
| 51 | */ |
| 52 | Monitor(Coordinator coordinator, Compiler compiler) { |
| 53 | this.coordinator = coordinator; |
| 54 | this.compiler = compiler; |
| 55 | this.layout = new MonitorLayout(compiler); |
| 56 | coordinator.addListener(this); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Sets the process monitor delegate. |
| 61 | * |
| 62 | * @param delegate process monitor delegate |
| 63 | */ |
| 64 | void setDelegate(MonitorDelegate delegate) { |
| 65 | this.delegate = delegate; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Notifies the process monitor delegate with the specified event. |
| 70 | * |
| 71 | * @param event JSON event data |
| 72 | */ |
| 73 | public void notify(ObjectNode event) { |
| 74 | if (delegate != null) { |
| 75 | delegate.notify(event); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Returns the scenario process flow as JSON data. |
| 81 | * |
| 82 | * @return scenario process flow data |
| 83 | */ |
| 84 | ObjectNode scenarioData() { |
| 85 | ObjectNode root = mapper.createObjectNode(); |
| 86 | ArrayNode steps = mapper.createArrayNode(); |
| 87 | ArrayNode requirements = mapper.createArrayNode(); |
| 88 | |
| 89 | ProcessFlow pf = compiler.processFlow(); |
| 90 | pf.getVertexes().forEach(step -> add(step, steps)); |
| 91 | pf.getEdges().forEach(requirement -> add(requirement, requirements)); |
| 92 | |
| 93 | root.set("steps", steps); |
| 94 | root.set("requirements", requirements); |
| 95 | |
| 96 | try (FileWriter fw = new FileWriter("/tmp/data.json"); |
| 97 | PrintWriter pw = new PrintWriter(fw)) { |
| 98 | pw.println(root.toString()); |
| 99 | } catch (IOException e) { |
| 100 | e.printStackTrace(); |
| 101 | } |
| 102 | return root; |
| 103 | } |
| 104 | |
| 105 | |
| 106 | private void add(Step step, ArrayNode steps) { |
| 107 | Box box = layout.get(step); |
| 108 | ObjectNode sn = mapper.createObjectNode() |
| 109 | .put("name", step.name()) |
| 110 | .put("isGroup", step instanceof Group) |
| 111 | .put("status", status(coordinator.getStatus(step))) |
| 112 | .put("tier", box.tier()) |
| 113 | .put("depth", box.depth()); |
| 114 | if (step.group() != null) { |
| 115 | sn.put("group", step.group().name()); |
| 116 | } |
| 117 | steps.add(sn); |
| 118 | } |
| 119 | |
| 120 | private String status(Coordinator.Status status) { |
| 121 | return status.toString().toLowerCase(); |
| 122 | } |
| 123 | |
| 124 | private void add(Dependency requirement, ArrayNode requirements) { |
| 125 | ObjectNode rn = mapper.createObjectNode(); |
| 126 | rn.put("src", requirement.src().name()) |
| 127 | .put("dst", requirement.dst().name()) |
| 128 | .put("isSoft", requirement.isSoft()); |
| 129 | requirements.add(rn); |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public void onStart(Step step, String command) { |
| 134 | notify(event(step, status(IN_PROGRESS))); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void onCompletion(Step step, Coordinator.Status status) { |
| 139 | notify(event(step, status(status))); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public void onOutput(Step step, String line) { |
| 144 | |
| 145 | } |
| 146 | |
| 147 | private ObjectNode event(Step step, String status) { |
| 148 | ObjectNode event = mapper.createObjectNode() |
| 149 | .put("name", step.name()) |
| 150 | .put("status", status); |
| 151 | return event; |
| 152 | } |
| 153 | |
| 154 | } |