netconf/tools/netconf-testtool/src/main/java/org/opendaylight/netconf/test/tool/rpc/SimulatedCreateSubscription.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.netconf.test.tool.rpc;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.collect.Maps;
  14 import java.io.File;
  15 import java.io.IOException;
  16 import java.text.SimpleDateFormat;
  17 import java.util.Collections;
  18 import java.util.Date;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.concurrent.Executors;
  22 import java.util.concurrent.ScheduledExecutorService;
  23 import java.util.concurrent.TimeUnit;
  24 import javax.xml.bind.JAXBContext;
  25 import javax.xml.bind.JAXBException;
  26 import javax.xml.bind.Unmarshaller;
  27 import javax.xml.bind.annotation.XmlRootElement;
  28 import org.opendaylight.netconf.api.NetconfMessage;
  29 import org.opendaylight.netconf.api.xml.XmlElement;
  30 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
  31 import org.opendaylight.netconf.api.xml.XmlUtil;
  32 import org.opendaylight.netconf.impl.NetconfServerSession;
  33 import org.opendaylight.netconf.impl.mapping.operations.DefaultNetconfOperation;
  34 import org.opendaylight.netconf.util.mapping.AbstractLastNetconfOperation;
  35 import org.w3c.dom.Document;
  36 import org.w3c.dom.Element;
  37 import org.xml.sax.SAXException;
  38
  39 public class SimulatedCreateSubscription extends AbstractLastNetconfOperation implements DefaultNetconfOperation {
  40
  41     private final Map<Notification, NetconfMessage> notifications;
  42     private NetconfServerSession session;
  43     private ScheduledExecutorService scheduledExecutorService;
  44
  45     public SimulatedCreateSubscription(final String id, final Optional<File> notificationsFile) {
  46         super(id);
  47
  48         Optional<Notifications> notifs;
  49
  50         if (notificationsFile.isPresent()) {
  51             notifs = Optional.of(loadNotifications(notificationsFile.get()));
  52             scheduledExecutorService = Executors.newScheduledThreadPool(1);
  53         } else {
  54             notifs = Optional.absent();
  55         }
  56
  57         if (notifs.isPresent()) {
  58             Map<Notification, NetconfMessage> preparedMessages = Maps.newHashMapWithExpectedSize(
  59                 notifs.get().getNotificationList().size());
  60             for (final Notification notification : notifs.get().getNotificationList()) {
  61                 final NetconfMessage parsedNotification = parseNetconfNotification(notification.getContent());
  62                 preparedMessages.put(notification, parsedNotification);
  63             }
  64             this.notifications = preparedMessages;
  65         } else {
  66             this.notifications = Collections.emptyMap();
  67         }
  68
  69     }
  70
  71     private static Notifications loadNotifications(final File file) {
  72         try {
  73             final JAXBContext jaxbContext = JAXBContext.newInstance(Notifications.class);
  74             final Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
  75             return (Notifications) jaxbUnmarshaller.unmarshal(file);
  76         } catch (final JAXBException e) {
  77             throw new IllegalArgumentException("Canot parse file " + file + " as a notifications file", e);
  78         }
  79     }
  80
  81     @Override
  82     protected String getOperationName() {
  83         return "create-subscription";
  84     }
  85
  86     @Override
  87     protected String getOperationNamespace() {
  88         return "urn:ietf:params:xml:ns:netconf:notification:1.0";
  89     }
  90
  91     @Override
  92     protected Element handleWithNoSubsequentOperations(final Document document, final XmlElement operationElement) {
  93         long delayAggregator = 0;
  94
  95         for (final Map.Entry<Notification, NetconfMessage> notification : notifications.entrySet()) {
  96             for (int i = 0; i <= notification.getKey().getTimes(); i++) {
  97
  98                 delayAggregator += notification.getKey().getDelayInSeconds();
  99
 100                 scheduledExecutorService.schedule(() -> {
 101                     Preconditions.checkState(session != null, "Session is not set, cannot process notifications");
 102                     session.sendMessage(notification.getValue());
 103                 }, delayAggregator, TimeUnit.SECONDS);
 104             }
 105         }
 106         return XmlUtil.createElement(document, XmlNetconfConstants.OK, Optional.absent());
 107     }
 108
 109     private static NetconfMessage parseNetconfNotification(String content) {
 110         final int startEventTime = content.indexOf("<eventTime>") + "<eventTime>".length();
 111         final int endEventTime = content.indexOf("</eventTime>");
 112         final String eventTime = content.substring(startEventTime, endEventTime);
 113         if (eventTime.equals("XXXX")) {
 114             content = content.replace(eventTime, new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX").format(new Date()));
 115         }
 116
 117         try {
 118             return new NetconfMessage(XmlUtil.readXmlToDocument(content));
 119         } catch (SAXException | IOException e) {
 120             throw new IllegalArgumentException("Cannot parse notifications", e);
 121         }
 122     }
 123
 124     @Override
 125     public void setNetconfSession(final NetconfServerSession newSession) {
 126         this.session = newSession;
 127     }
 128
 129     @XmlRootElement(name = "notifications")
 130     public static final class Notifications {
 131
 132         @javax.xml.bind.annotation.XmlElement(nillable =  false, name = "notification", required = true)
 133         private List<Notification> notificationList;
 134
 135         public List<Notification> getNotificationList() {
 136             return notificationList;
 137         }
 138
 139         @Override
 140         public String toString() {
 141             final StringBuffer sb = new StringBuffer("Notifications{");
 142             sb.append("notificationList=").append(notificationList);
 143             sb.append('}');
 144             return sb.toString();
 145         }
 146     }
 147
 148     public static final class Notification {
 149
 150         @javax.xml.bind.annotation.XmlElement(nillable = false, name = "delay")
 151         private long delayInSeconds;
 152
 153         @javax.xml.bind.annotation.XmlElement(nillable = false, name = "times")
 154         private long times;
 155
 156         @javax.xml.bind.annotation.XmlElement(nillable = false, name = "content", required = true)
 157         private String content;
 158
 159         public long getDelayInSeconds() {
 160             return delayInSeconds;
 161         }
 162
 163         public long getTimes() {
 164             return times;
 165         }
 166
 167         public String getContent() {
 168             return content;
 169         }
 170
 171         @Override
 172         public String toString() {
 173             final StringBuffer sb = new StringBuffer("Notification{");
 174             sb.append("delayInSeconds=").append(delayInSeconds);
 175             sb.append(", times=").append(times);
 176             sb.append(", content='").append(content).append('\'');
 177             sb.append('}');
 178             return sb.toString();
 179         }
 180     }
 181 }