Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java

   1 package edu.uci.iotproject;
   2
   3 import static edu.uci.iotproject.analysis.UserAction.Type;
   4
   5 import edu.uci.iotproject.analysis.TcpConversationUtils;
   6 import edu.uci.iotproject.analysis.TrafficLabeler;
   7 import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
   8 import edu.uci.iotproject.analysis.UserAction;
   9 import edu.uci.iotproject.comparison.seqalignment.ExtractedSequence;
  10 import edu.uci.iotproject.comparison.seqalignment.SequenceAlignment;
  11 import edu.uci.iotproject.comparison.seqalignment.SequenceExtraction;
  12 import edu.uci.iotproject.io.TriggerTimesFileReader;
  13 import org.pcap4j.core.*;
  14 import org.pcap4j.packet.namednumber.DataLinkType;
  15
  16 import java.io.EOFException;
  17 import java.io.File;
  18 import java.io.PrintWriter;
  19 import java.net.UnknownHostException;
  20 import java.time.Instant;
  21 import java.util.*;
  22 import java.util.concurrent.TimeoutException;
  23
  24 /**
  25  * This is a system that reads PCAP files to compare
  26  * patterns of DNS hostnames, packet sequences, and packet
  27  * lengths with training data to determine certain events
  28  * or actions for smart home devices.
  29  *
  30  * @author Janus Varmarken
  31  * @author Rahmadi Trimananda (rtrimana@uci.edu)
  32  * @version 0.1
  33  */
  34 public class Main {
  35
  36
  37     public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
  38         // -------------------------------------------------------------------------------------------------------------
  39         // ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
  40         // Paths to input and output files (consider supplying these as arguments instead) and IP of the device for
  41         // which traffic is to be extracted:
  42         String path = "/scratch/July-2018"; // Rahmadi
  43 //        String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
  44         boolean verbose = false;
  45         final String onPairsPath = "/scratch/July-2018/on.txt";
  46         final String offPairsPath = "/scratch/July-2018/off.txt";
  47
  48         // 1) D-Link July 26 experiment
  49 //        final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
  50 //        final String outputPcapFile = path + "/2018-07/dlink/dlink-processed.pcap";
  51 //        final String triggerTimesFile = path + "/2018-07/dlink/dlink-july-26-2018.timestamps";
  52 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .199 == dlink plug?
  53
  54         // 2) TP-Link July 25 experiment
  55         final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.pcap";
  56         final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.pcap";
  57         final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.timestamps";
  58         final String deviceIp = "192.168.1.159";
  59
  60         // 2b) TP-Link July 25 experiment TRUNCATED:
  61         // Only contains "true local" events, i.e., before the behavior changes to remote-like behavior.
  62         // Last included event is at July 25 10:38:11; file filtered to only include packets with arrival time <= 10:38:27.
  63 //        final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.truncated.pcap";
  64 //        final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.truncated.pcap";
  65 //        final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.truncated.timestamps";
  66 //        final String deviceIp = "192.168.1.159";
  67
  68         // 3) SmartThings Plug July 25 experiment
  69 //        final String inputPcapFile = path + "/2018-07/stplug/stplug.wlan1.local.pcap";
  70 //        final String outputPcapFile = path + "/2018-07/stplug/stplug-processed.pcap";
  71 //        final String triggerTimesFile = path + "/2018-07/stplug/smartthings-july-25-2018.timestamps";
  72 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
  73
  74         // 4) Wemo July 30 experiment
  75 //        final String inputPcapFile = path + "/2018-07/wemo/wemo.wlan1.local.pcap";
  76 //        final String outputPcapFile = path + "/2018-07/wemo/wemo-processed.pcap";
  77 //        final String triggerTimesFile = path + "/2018-07/wemo/wemo-july-30-2018.timestamps";
  78 //        final String deviceIp = "192.168.1.145";
  79
  80         // 5) Wemo Insight July 31 experiment
  81 //        final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
  82 //        final String outputPcapFile = path + "/2018-07/wemoinsight/wemoinsight-processed.pcap";
  83 //        final String triggerTimesFile = path + "/2018-07/wemoinsight/wemo-insight-july-31-2018.timestamps";
  84 //        final String deviceIp = "192.168.1.135";
  85
  86         // 6) TP-Link Bulb August 1 experiment
  87 //        final String inputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb.wlan1.local.pcap";
  88 //        final String outputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb-processed.pcap";
  89 //        final String triggerTimesFile = path + "/2018-08/tplink-bulb/tplink-bulb-aug-3-2018.timestamps";
  90 //        final String deviceIp = "192.168.1.246";
  91
  92         // 7) Kwikset Doorlock August 6 experiment
  93 //        final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.wlan1.local.pcap";
  94 //        final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-processed.pcap";
  95 //        final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-aug-6-2018.timestamps";
  96 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
  97
  98         // 8) Hue Bulb August 7 experiment
  99 //        final String inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
 100 //        final String outputPcapFile = path + "/2018-08/hue-bulb/hue-bulb-processed.pcap";
 101 //        final String triggerTimesFile = path + "/2018-08/hue-bulb/hue-bulb-aug-7-2018.timestamps";
 102 //        final String deviceIp = "192.168.1.246";
 103
 104         // 9) Lifx Bulb August 8 experiment
 105 //        final String inputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb.wlan1.local.pcap";
 106 //        final String outputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb-processed.pcap";
 107 //        final String triggerTimesFile = path + "/2018-08/lifx-bulb/lifx-bulb-aug-8-2018.timestamps";
 108 //        final String deviceIp = "192.168.1.231"; // .246 == phone; .231 == Lifx
 109
 110         // 10) Amcrest Camera August 9 experiment
 111 //        final String inputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera.wlan1.local.pcap";
 112 //        final String outputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera-processed.pcap";
 113 //        final String triggerTimesFile = path + "/2018-08/amcrest-camera/amcrest-camera-aug-9-2018.timestamps";
 114 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .235 == camera
 115
 116         // 11) Arlo Camera August 10 experiment
 117 //        final String inputPcapFile = path + "/2018-08/arlo-camera/arlo-camera.wlan1.local.pcap";
 118 //        final String outputPcapFile = path + "/2018-08/arlo-camera/arlo-camera-processed.pcap";
 119 //        final String triggerTimesFile = path + "/2018-08/arlo-camera/arlo-camera-aug-10-2018.timestamps";
 120 //        final String deviceIp = "192.168.1.140"; // .246 == phone; .140 == camera
 121
 122         // 12) Blossom sprinkler August 13 experiment
 123 //        final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
 124 //        final String outputPcapFile = path + "/2018-08/blossom/blossom-processed.pcap";
 125 //        final String triggerTimesFile = path + "/2018-08/blossom/blossom-aug-13-2018.timestamps";
 126 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .229 == sprinkler
 127
 128         // 13) DLink siren August 14 experiment
 129 //        final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
 130 //        final String outputPcapFile = path + "/2018-08/dlink-siren/dlink-siren-processed.pcap";
 131 //        final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-aug-14-2018.timestamps";
 132 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .183 == siren
 133
 134         // 14) Nest thermostat August 15 experiment
 135 //        final String inputPcapFile = path + "/2018-08/nest/nest.wlan1.local.pcap";
 136 //        final String outputPcapFile = path + "/2018-08/nest/nest-processed.pcap";
 137 //        final String triggerTimesFile = path + "/2018-08/nest/nest-aug-15-2018.timestamps";
 138 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .127 == Nest thermostat
 139
 140         // 15) Alexa August 16 experiment
 141 //        final String inputPcapFile = path + "/2018-08/alexa/alexa.wlan1.local.pcap";
 142 //        final String outputPcapFile = path + "/2018-08/alexa/alexa-processed.pcap";
 143 //        final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-16-2018.timestamps";
 144 //        final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
 145         // August 17
 146 //        final String inputPcapFile = path + "/2018-08/alexa/alexa2.wlan1.local.pcap";
 147 //        final String outputPcapFile = path + "/2018-08/alexa/alexa2-processed.pcap";
 148 //        final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-17-2018.timestamps";
 149 //        final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
 150
 151         TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
 152         List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
 153         // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
 154         List<UserAction> userActions = new ArrayList<>();
 155         for (int i = 0; i < triggerTimes.size(); i++) {
 156             userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
 157         }
 158         TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
 159         final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
 160         DnsMap dnsMap = new DnsMap();
 161         TcpReassembler tcpReassembler = new TcpReassembler();
 162         TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
 163         tte.performExtraction(pkt -> {
 164             try {
 165                 outputter.dump(pkt);
 166             } catch (NotOpenException e) {
 167                 e.printStackTrace();
 168             }
 169         }, dnsMap, tcpReassembler, trafficLabeler);
 170         outputter.flush();
 171         outputter.close();
 172
 173         if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
 174             // Sanity/debug check
 175             throw new AssertionError(String.format("mismatch between packet count in %s and %s",
 176                     TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
 177         }
 178
 179         // Extract all conversations present in the filtered trace.
 180         List<Conversation> allConversations = tcpReassembler.getTcpConversations();
 181         // Group conversations by hostname.
 182         Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
 183         System.out.println("Grouped conversations by hostname.");
 184         // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
 185         final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
 186         convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
 187         System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
 188         // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
 189         // sequence of packets of some specific lengths).
 190         final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
 191         convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
 192         System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
 193         // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
 194         final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
 195                 TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
 196         System.out.println("Counted frequencies of packet pairs per hostname");
 197         // For each user action, reassemble the set of TCP connections occurring shortly after
 198         final Map<UserAction, List<Conversation>> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic();
 199         final Map<UserAction, Map<String, List<Conversation>>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap);
 200         System.out.println("Reassembled TCP conversations occurring shortly after each user event");
 201
 202
 203
 204         // Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence
 205         Map<String, Map<String, List<Conversation>>> ons = new HashMap<>();
 206         // Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence
 207         Map<String, Map<String, List<Conversation>>> offs = new HashMap<>();
 208
 209         if (verbose) {
 210             userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
 211                 Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
 212                 hostnameToConvs.forEach((host, convs) -> {
 213                     Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
 214                             groupConversationsByPacketSequenceVerbose(convs);
 215                     outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
 216                         newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
 217                             list1.addAll(list2);
 218                             return list1;
 219                         }));
 220                         return oldMap;
 221                     });
 222                 });
 223             });
 224         } else {
 225             userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
 226                 Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
 227                 hostnameToConvs.forEach((host, convs) -> {
 228                     Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
 229                             groupConversationsByPacketSequence(convs);
 230                     outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
 231                         newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
 232                             list1.addAll(list2);
 233                             return list1;
 234                         }));
 235                         return oldMap;
 236                     });
 237                 });
 238             });
 239         }
 240
 241
 242         // Print out all the pairs into a file for ON events
 243         File fileOnEvents = new File(onPairsPath);
 244         PrintWriter pwOn = null;
 245         try {
 246             pwOn = new PrintWriter(fileOnEvents);
 247         } catch(Exception ex) {
 248             ex.printStackTrace();
 249         }
 250         for(Map.Entry<String, Map<String, List<Conversation>>> entry : ons.entrySet()) {
 251             Map<String, List<Conversation>> seqsToConvs = entry.getValue();
 252             for(Map.Entry<String, List<Conversation>> entryConv : seqsToConvs.entrySet()) {
 253                 List<Conversation> listConv = entryConv.getValue();
 254                 // Just get the first Conversation because all Conversations in this group
 255                 // should have the same pairs of Application Data.
 256                 for(Conversation conv : listConv) {
 257                     // Process only if it is a TLS packet
 258                     if (conv.isTls()) {
 259                         List<PcapPacket> tlsAppDataList = conv.getTlsApplicationDataPackets();
 260                         // Loop and print out packets
 261                         int count = 0;
 262                         // The direction of the first packet
 263                         Conversation.Direction firstDir = null;
 264                         // The length of the first packet
 265                         int firstLen = 0;
 266                         for (PcapPacket pcap : tlsAppDataList) {
 267                             boolean isPair = false;
 268                             if (count % 2 == 0) {
 269                                 firstDir = conv.getDirection(pcap);
 270                                 firstLen = pcap.length();
 271                             } else {// count%2 == 1
 272                                 if(conv.getDirection(pcap) != firstDir) {
 273                                     isPair = true;
 274                                     pwOn.println(firstLen + ", " + pcap.length());
 275                                     //System.out.println(firstDir + ", " + conv.getDirection(pcap));
 276                                     //System.out.println(firstLen + ", " + pcap.length());
 277                                 }
 278                             }
 279                             count++;
 280                             // If we can't create a pair then just pad it with 0
 281                             if (count == tlsAppDataList.size() && !isPair) {
 282                                 pwOn.println(firstLen + ", 0");
 283                             }
 284                         }
 285                     } else { // Non-TLS conversations
 286                         List<PcapPacket> packetList = conv.getPackets();
 287                         // Loop and print out packets
 288                         int count = 0;
 289                         // The direction of the first packet
 290                         Conversation.Direction firstDir = null;
 291                         // The length of the first packet
 292                         int firstLen = 0;
 293                         for (PcapPacket pcap : packetList) {
 294                             System.out.println(pcap.length() + ", " + conv.getDirection(pcap));
 295                             boolean isPair = false;
 296                             if (count % 2 == 0) {
 297                                 firstDir = conv.getDirection(pcap);
 298                                 firstLen = pcap.length();
 299                             } else {// count%2 == 1
 300                                 if(conv.getDirection(pcap) != firstDir) {
 301                                     isPair = true;
 302                                     pwOn.println(firstLen + ", " + pcap.length());
 303                                     //System.out.println(firstDir + ", " + conv.getDirection(pcap));
 304                                     //System.out.println(firstLen + ", " + pcap.length());
 305                                 }
 306                             }
 307                             count++;
 308                             // If we can't create a pair then just pad it with 0
 309                             if (count == packetList.size() && !isPair) {
 310                                 pwOn.println(firstLen + ", 0");
 311                             }
 312                         }
 313                     }
 314                 }
 315             }
 316         }
 317         pwOn.close();
 318
 319         // Print out all the pairs into a file for ON events
 320         File fileOffEvents = new File(offPairsPath);
 321         PrintWriter pwOff = null;
 322         try {
 323             pwOff = new PrintWriter(fileOffEvents);
 324         } catch(Exception ex) {
 325             ex.printStackTrace();
 326         }
 327         for(Map.Entry<String, Map<String, List<Conversation>>> entry : offs.entrySet()) {
 328             Map<String, List<Conversation>> seqsToConvs = entry.getValue();
 329             for(Map.Entry<String, List<Conversation>> entryConv : seqsToConvs.entrySet()) {
 330                 List<Conversation> listConv = entryConv.getValue();
 331                 // Just get the first Conversation because all Conversations in this group
 332                 // should have the same pairs of Application Data.
 333                 for(Conversation conv : listConv) {
 334                     // Process only if it is a TLS packet
 335                     if (conv.isTls()) {
 336                         List<PcapPacket> tlsAppDataList = conv.getTlsApplicationDataPackets();
 337                         // Loop and print out packets
 338                         int count = 0;
 339                         // The direction of the first packet
 340                         Conversation.Direction firstDir = null;
 341                         // The length of the first packet
 342                         int firstLen = 0;
 343                         for (PcapPacket pcap : tlsAppDataList) {
 344                             boolean isPair = false;
 345                             if (count % 2 == 0) {
 346                                 firstDir = conv.getDirection(pcap);
 347                                 firstLen = pcap.length();
 348                             } else {// count%2 == 1
 349                                 if(conv.getDirection(pcap) != firstDir) {
 350                                     isPair = true;
 351                                     pwOff.println(firstLen + ", " + pcap.length());
 352                                     System.out.println(firstDir + ", " + conv.getDirection(pcap));
 353                                     System.out.println(firstLen + ", " + pcap.length());
 354                                 }
 355                             }
 356                             count++;
 357                             // If we can't create a pair then just pad it with 0
 358                             if (count == tlsAppDataList.size() && !isPair) {
 359                                 pwOff.println(firstLen + ", 0");
 360                             }
 361
 362                         }
 363                     } else { // Non-TLS conversations
 364                         List<PcapPacket> packetList = conv.getPackets();
 365                         // Loop and print out packets
 366                         int count = 0;
 367                         // The direction of the first packet
 368                         Conversation.Direction firstDir = null;
 369                         // The length of the first packet
 370                         int firstLen = 0;
 371                         for (PcapPacket pcap : packetList) {
 372                             System.out.println(pcap.length() + ", " + conv.getDirection(pcap));
 373                             boolean isPair = false;
 374                             if (count % 2 == 0) {
 375                                 firstDir = conv.getDirection(pcap);
 376                                 firstLen = pcap.length();
 377                             } else {// count%2 == 1
 378                                 if(conv.getDirection(pcap) != firstDir) {
 379                                     isPair = true;
 380                                     pwOff.println(firstLen + ", " + pcap.length());
 381                                     System.out.println(firstDir + ", " + conv.getDirection(pcap));
 382                                     System.out.println(firstLen + ", " + pcap.length());
 383                                 }
 384                             }
 385                             count++;
 386                             // If we can't create a pair then just pad it with 0
 387                             if (count == packetList.size() && !isPair) {
 388                                 pwOff.println(firstLen + ", 0");
 389                             }
 390                         }
 391                     }
 392                 }
 393             }
 394         }
 395         pwOff.close();
 396
 397
 398         // ================================================================================================
 399         // <<< Some work-in-progress/explorative code that extracts a "representative" sequence >>>
 400         //
 401         // Currently need to know relevant hostname in advance :(
 402 //        String hostname = "events.tplinkra.com";
 403 //        String hostname = "rfe-us-west-1.dch.dlink.com";
 404 //        // Conversations with 'hostname' for ON events.
 405 //        List<Conversation> onsForHostname = new ArrayList<>();
 406 //        // Conversations with 'hostname' for OFF events.
 407 //        List<Conversation> offsForHostname = new ArrayList<>();
 408 //        // "Unwrap" sequence groupings in ons/offs maps.
 409 //        ons.get(hostname).forEach((k,v) -> onsForHostname.addAll(v));
 410 //        offs.get(hostname).forEach((k,v) -> offsForHostname.addAll(v));
 411 //
 412 //
 413 //        Map<String, List<Conversation>> onsForHostnameGroupedByTlsAppDataSequence = TcpConversationUtils.groupConversationsByTlsApplicationDataPacketSequence(onsForHostname);
 414 //
 415 //
 416 //        // Extract representative sequence for ON and OFF by providing the list of conversations with
 417 //        // 'hostname' observed for each event type (the training data).
 418 //        SequenceExtraction seqExtraction = new SequenceExtraction();
 419 ////        ExtractedSequence extractedSequenceForOn = seqExtraction.extract(onsForHostname);
 420 ////        ExtractedSequence extractedSequenceForOff = seqExtraction.extract(offsForHostname);
 421 //
 422 //        ExtractedSequence extractedSequenceForOn = seqExtraction.extractByTlsAppData(onsForHostname);
 423 //        ExtractedSequence extractedSequenceForOff = seqExtraction.extractByTlsAppData(offsForHostname);
 424 //
 425 //        // Let's check how many ONs align with OFFs and vice versa (that is, how many times an event is incorrectly
 426 //        // labeled).
 427 //        int onsLabeledAsOff = 0;
 428 //        Integer[] representativeOnSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOn.getRepresentativeSequence());
 429 //        Integer[] representativeOffSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOff.getRepresentativeSequence());
 430 //        SequenceAlignment<Integer> seqAlg = seqExtraction.getAlignmentAlgorithm();
 431 //        for (Conversation c : onsForHostname) {
 432 //            Integer[] onSeq = TcpConversationUtils.getPacketLengthSequence(c);
 433 //            if (seqAlg.calculateAlignment(representativeOffSeq, onSeq) <= extractedSequenceForOff.getMaxAlignmentCost()) {
 434 //                onsLabeledAsOff++;
 435 //            }
 436 //        }
 437 //        int offsLabeledAsOn = 0;
 438 //        for (Conversation c : offsForHostname) {
 439 //            Integer[] offSeq = TcpConversationUtils.getPacketLengthSequence(c);
 440 //            if (seqAlg.calculateAlignment(representativeOnSeq, offSeq) <= extractedSequenceForOn.getMaxAlignmentCost()) {
 441 //                offsLabeledAsOn++;
 442 //            }
 443 //        }
 444 //        System.out.println("");
 445         // ================================================================================================
 446
 447
 448         // -------------------------------------------------------------------------------------------------------------
 449         // -------------------------------------------------------------------------------------------------------------
 450     }
 451
 452 }
 453
 454
 455 // TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
 456 // frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159