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.controller.config.util.xml.DocumentedException;
  29 import org.opendaylight.controller.config.util.xml.XmlElement;
  30 import org.opendaylight.controller.config.util.xml.XmlUtil;
  31 import org.opendaylight.netconf.api.NetconfMessage;
  32 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
  33 import org.opendaylight.netconf.impl.NetconfServerSession;
  34 import org.opendaylight.netconf.impl.mapping.operations.DefaultNetconfOperation;
  35 import org.opendaylight.netconf.util.mapping.AbstractLastNetconfOperation;
  36 import org.w3c.dom.Document;
  37 import org.w3c.dom.Element;
  38 import org.xml.sax.SAXException;
  39
  40 public class SimulatedCreateSubscription extends AbstractLastNetconfOperation implements DefaultNetconfOperation {
  41
  42     private final Map<Notification, NetconfMessage> notifications;
  43     private NetconfServerSession session;
  44     private ScheduledExecutorService scheduledExecutorService;
  45
  46     public SimulatedCreateSubscription(final String id, final Optional<File> notificationsFile) {
  47         super(id);
  48
  49         Optional<Notifications> notifs;
  50
  51         if (notificationsFile.isPresent()) {
  52             notifs = Optional.of(loadNotifications(notificationsFile.get()));
  53             scheduledExecutorService = Executors.newScheduledThreadPool(1);
  54         } else {
  55             notifs = Optional.absent();
  56         }
  57
  58         if (notifs.isPresent()) {
  59             Map<Notification, NetconfMessage> preparedMessages = Maps.newHashMapWithExpectedSize(
  60                 notifs.get().getNotificationList().size());
  61             for (final Notification notification : notifs.get().getNotificationList()) {
  62                 final NetconfMessage parsedNotification = parseNetconfNotification(notification.getContent());
  63                 preparedMessages.put(notification, parsedNotification);
  64             }
  65             this.notifications = preparedMessages;
  66         } else {
  67             this.notifications = Collections.emptyMap();
  68         }
  69
  70     }
  71
  72     private static Notifications loadNotifications(final File file) {
  73         try {
  74             final JAXBContext jaxbContext = JAXBContext.newInstance(Notifications.class);
  75             final Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
  76             return (Notifications) jaxbUnmarshaller.unmarshal(file);
  77         } catch (final JAXBException e) {
  78             throw new IllegalArgumentException("Canot parse file " + file + " as a notifications file", e);
  79         }
  80     }
  81
  82     @Override
  83     protected String getOperationName() {
  84         return "create-subscription";
  85     }
  86
  87     @Override
  88     protected String getOperationNamespace() {
  89         return "urn:ietf:params:xml:ns:netconf:notification:1.0";
  90     }
  91
  92     @Override
  93     protected Element handleWithNoSubsequentOperations(final Document document, final XmlElement operationElement)
  94             throws DocumentedException {
  95         long delayAggregator = 0;
  96
  97         for (final Map.Entry<Notification, NetconfMessage> notification : notifications.entrySet()) {
  98             for (int i = 0; i <= notification.getKey().getTimes(); i++) {
  99
 100                 delayAggregator += notification.getKey().getDelayInSeconds();
 101
 102                 scheduledExecutorService.schedule(() -> {
 103                     Preconditions.checkState(session != null, "Session is not set, cannot process notifications");
 104                     session.sendMessage(notification.getValue());
 105                 }, delayAggregator, TimeUnit.SECONDS);
 106             }
 107         }
 108         return XmlUtil.createElement(document, XmlNetconfConstants.OK, Optional.<String>absent());
 109     }
 110
 111     private static NetconfMessage parseNetconfNotification(String content) {
 112         final int startEventTime = content.indexOf("<eventTime>") + "<eventTime>".length();
 113         final int endEventTime = content.indexOf("</eventTime>");
 114         final String eventTime = content.substring(startEventTime, endEventTime);
 115         if (eventTime.equals("XXXX")) {
 116             content = content.replace(eventTime, new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX").format(new Date()));
 117         }
 118
 119         try {
 120             return new NetconfMessage(XmlUtil.readXmlToDocument(content));
 121         } catch (SAXException | IOException e) {
 122             throw new IllegalArgumentException("Cannot parse notifications", e);
 123         }
 124     }
 125
 126     @Override
 127     public void setNetconfSession(final NetconfServerSession newSession) {
 128         this.session = newSession;
 129     }
 130
 131     @XmlRootElement(name = "notifications")
 132     public static final class Notifications {
 133
 134         @javax.xml.bind.annotation.XmlElement(nillable =  false, name = "notification", required = true)
 135         private List<Notification> notificationList;
 136
 137         public List<Notification> getNotificationList() {
 138             return notificationList;
 139         }
 140
 141         @Override
 142         public String toString() {
 143             final StringBuffer sb = new StringBuffer("Notifications{");
 144             sb.append("notificationList=").append(notificationList);
 145             sb.append('}');
 146             return sb.toString();
 147         }
 148     }
 149
 150     public static final class Notification {
 151
 152         @javax.xml.bind.annotation.XmlElement(nillable = false, name = "delay")
 153         private long delayInSeconds;
 154
 155         @javax.xml.bind.annotation.XmlElement(nillable = false, name = "times")
 156         private long times;
 157
 158         @javax.xml.bind.annotation.XmlElement(nillable = false, name = "content", required = true)
 159         private String content;
 160
 161         public long getDelayInSeconds() {
 162             return delayInSeconds;
 163         }
 164
 165         public long getTimes() {
 166             return times;
 167         }
 168
 169         public String getContent() {
 170             return content;
 171         }
 172
 173         @Override
 174         public String toString() {
 175             final StringBuffer sb = new StringBuffer("Notification{");
 176             sb.append("delayInSeconds=").append(delayInSeconds);
 177             sb.append(", times=").append(times);
 178             sb.append(", content='").append(content).append('\'');
 179             sb.append('}');
 180             return sb.toString();
 181         }
 182     }
 183 }