import static edu.uci.iotproject.analysis.UserAction.Type;
-import edu.uci.iotproject.analysis.TcpConversationUtils;
-import edu.uci.iotproject.analysis.TrafficLabeler;
-import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
-import edu.uci.iotproject.analysis.UserAction;
+import edu.uci.iotproject.analysis.*;
+import edu.uci.iotproject.comparison.seqalignment.ExtractedSequence;
+import edu.uci.iotproject.comparison.seqalignment.SequenceAlignment;
+import edu.uci.iotproject.comparison.seqalignment.SequenceExtraction;
import edu.uci.iotproject.io.TriggerTimesFileReader;
+import edu.uci.iotproject.util.PcapPacketUtils;
+import edu.uci.iotproject.util.PrintUtils;
+import org.apache.commons.math3.stat.clustering.Cluster;
+import org.apache.commons.math3.stat.clustering.DBSCANClusterer;
import org.pcap4j.core.*;
import org.pcap4j.packet.namednumber.DataLinkType;
import java.io.EOFException;
+import java.io.File;
+import java.io.PrintWriter;
import java.net.UnknownHostException;
import java.time.Instant;
import java.util.*;
import java.util.concurrent.TimeoutException;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
/**
* This is a system that reads PCAP files to compare
// Paths to input and output files (consider supplying these as arguments instead) and IP of the device for
// which traffic is to be extracted:
String path = "/scratch/July-2018"; // Rahmadi
- //String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
+// String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
+ boolean verbose = true;
+ final String onPairsPath = "/scratch/July-2018/on.txt";
+ final String offPairsPath = "/scratch/July-2018/off.txt";
// 1) D-Link July 26 experiment
// final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-07/dlink/dlink-processed.pcap";
// final String triggerTimesFile = path + "/2018-07/dlink/dlink-july-26-2018.timestamps";
+// final String deviceIp = "192.168.1.199"; // .246 == phone; .199 == dlink plug?
+ // Actual training
+// final String inputPcapFile = path + "/2018-10/dlink-plug/dlink-plug.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-10/dlink-plug/dlink-plug-processed.pcap";
+// final String triggerTimesFile = path + "/2018-10/dlink-plug/dlink-plug-oct-17-2018.timestamps";
// final String deviceIp = "192.168.1.199"; // .246 == phone; .199 == dlink plug?
// 2) TP-Link July 25 experiment
// final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.pcap";
// final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.timestamps";
// final String deviceIp = "192.168.1.159";
+ // Actual training
+// final String inputPcapFile = path + "/2018-10/tplink-plug/tplink-plug.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-10/tplink-plug/tplink-plug-processed.pcap";
+// final String triggerTimesFile = path + "/2018-10/tplink-plug/tplink-plug-oct-17-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .159 == tplink plug
// 2b) TP-Link July 25 experiment TRUNCATED:
// Only contains "true local" events, i.e., before the behavior changes to remote-like behavior.
// final String inputPcapFile = path + "/2018-07/stplug/stplug.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-07/stplug/stplug-processed.pcap";
// final String triggerTimesFile = path + "/2018-07/stplug/smartthings-july-25-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
+ // October 18
+// final String inputPcapFile = path + "/2018-10/st-plug/st-plug.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-10/st-plug/st-plug-processed.pcap";
+// final String triggerTimesFile = path + "/2018-10/st-plug/st-plug-oct-18-2018.timestamps";
// final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
// 4) Wemo July 30 experiment
// final String inputPcapFile = path + "/2018-07/wemo/wemo.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-07/wemo/wemo-processed.pcap";
// final String triggerTimesFile = path + "/2018-07/wemo/wemo-july-30-2018.timestamps";
-// final String deviceIp = "192.168.1.145";
+// final String deviceIp = "192.168.1.145"; // .246 == phone; .145 == WeMo
// 5) Wemo Insight July 31 experiment
// final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
// final String inputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb-processed.pcap";
// final String triggerTimesFile = path + "/2018-08/tplink-bulb/tplink-bulb-aug-3-2018.timestamps";
-// final String deviceIp = "192.168.1.140";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .140 == TP-Link bulb
// 7) Kwikset Doorlock August 6 experiment
-// final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.wlan1.local.pcap";
+// final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.data.wlan1.pcap";
+//// final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-processed.pcap";
-// final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-aug-6-2018.timestamps";
+//// final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-aug-6-2018.timestamps";
+// final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-8hr-data-oct-11-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
+
+ // September 12, 2018 - includes both wlan1 and eth1 interfaces
+// final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.wlan1.local.pcap";
+// //final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.eth1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-sept-12-2018.timestamps";
// final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
// 8) Hue Bulb August 7 experiment
// final String outputPcapFile = path + "/2018-08/hue-bulb/hue-bulb-processed.pcap";
// final String triggerTimesFile = path + "/2018-08/hue-bulb/hue-bulb-aug-7-2018.timestamps";
// final String deviceIp = "192.168.1.246";
+ // October 30 experiment
+// final String inputPcapFile = path + "/2018-10/hue-bulb/hue-bulb.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-10/hue-bulb/hue-bulb-processed.pcap";
+// final String triggerTimesFile = path + "/2018-10/hue-bulb/hue-bulb-oct-30-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .100 == Hue hub
// 9) Lifx Bulb August 8 experiment
// final String inputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb-processed.pcap";
// final String triggerTimesFile = path + "/2018-08/lifx-bulb/lifx-bulb-aug-8-2018.timestamps";
// final String deviceIp = "192.168.1.246"; // .246 == phone; .231 == Lifx
+ // October 18
+// final String inputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb-processed.pcap";
+// final String triggerTimesFile = path + "/2018-10/lifx-bulb/lifx-bulb-oct-18-2018.timestamps";
+// final String deviceIp = "192.168.1.231"; // .246 == phone; .231 == Lifx
+ // November 1
+// final String inputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb-processed.pcap";
+// final String triggerTimesFile = path + "/2018-10/lifx-bulb/lifx-bulb-nov-1-2018.timestamps";
+// final String deviceIp = "192.168.1.231"; // .246 == phone; .231 == Lifx
// 10) Amcrest Camera August 9 experiment
// final String inputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera.wlan1.local.pcap";
// final String inputPcapFile = path + "/2018-08/arlo-camera/arlo-camera.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-08/arlo-camera/arlo-camera-processed.pcap";
// final String triggerTimesFile = path + "/2018-08/arlo-camera/arlo-camera-aug-10-2018.timestamps";
-// final String deviceIp = "192.168.1.140"; // .246 == phone; .140 == camera
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .140 == camera
// 12) Blossom sprinkler August 13 experiment
// final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
// final String outputPcapFile = path + "/2018-08/blossom/blossom-processed.pcap";
// final String triggerTimesFile = path + "/2018-08/blossom/blossom-aug-13-2018.timestamps";
+// final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
+ // 2 November
+// final String inputPcapFile = path + "/2018-10/blossom-sprinkler/blossom-sprinkler.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-10/blossom-sprinkler/blossom-sprinkler-processed.pcap";
+// final String triggerTimesFile = path + "/2018-10/blossom-sprinkler/blossom-sprinkler-nov-2-2018.timestamps";
// final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
- // 13) DLink siren August 14 experiment
+// // 13) DLink siren August 14 experiment
// final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
+// //final String inputPcapFile = path + "/evaluation/dlink-siren/dlink-siren.data.wlan1.pcap";
// final String outputPcapFile = path + "/2018-08/dlink-siren/dlink-siren-processed.pcap";
-// final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-aug-14-2018.timestamps";
-// final String deviceIp = "192.168.1.183"; // .246 == phone; .183 == siren
+// final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-oct-12-2018.timestamps";
+// //final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-aug-14-2018.timestamps";
+// //final String triggerTimesFile = path + "/actual/timestamps/dlink-siren-8hr-data-oct-10-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .183 == siren
// 14) Nest thermostat August 15 experiment
-// final String inputPcapFile = path + "/2018-08/nest/nest.wlan1.local.pcap";
-// final String outputPcapFile = path + "/2018-08/nest/nest-processed.pcap";
-// final String triggerTimesFile = path + "/2018-08/nest/nest-aug-15-2018.timestamps";
-// final String deviceIp = "192.168.1.246"; // .246 == phone; .127 == Nest thermostat
+ final String inputPcapFile = path + "/2018-08/nest/nest.wlan1.local.pcap";
+ final String outputPcapFile = path + "/2018-08/nest/nest-processed.pcap";
+ final String triggerTimesFile = path + "/2018-08/nest/nest-aug-15-2018.timestamps";
+ final String deviceIp = "192.168.1.246"; // .246 == phone; .127 == Nest thermostat
// 15) Alexa August 16 experiment
// final String inputPcapFile = path + "/2018-08/alexa/alexa.wlan1.local.pcap";
// final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-16-2018.timestamps";
// final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
// August 17
- final String inputPcapFile = path + "/2018-08/alexa/alexa2.wlan1.local.pcap";
- final String outputPcapFile = path + "/2018-08/alexa/alexa2-processed.pcap";
- final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-17-2018.timestamps";
- final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
+// final String inputPcapFile = path + "/2018-08/alexa/alexa2.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/alexa/alexa2-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-17-2018.timestamps";
+// final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
+
+ // September 17
+// final String inputPcapFile = path + "/2018-08/noise/noise.eth1.pcap";
+// final String outputPcapFile = path + "/2018-08/noise/noise-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/noise/noise-sept-17-2018.timestamps";
+// final String deviceIp = "192.168.1.142"; // .142 == SmartThings Hub; .199 == dlink plug; .183 == siren
+ // September 26 - D-Link noise
+// final String inputPcapFile = path + "/2018-08/noise/noise.dlink.wlan1.pcap";
+// final String outputPcapFile = path + "/2018-08/noise/noise-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/noise/dlink-noise-sept-26-2018.timestamps";
+// final String deviceIp = "192.168.1.183"; // .199 == dlink plug; .183 == siren
+ // September 27 - Kwikset noise
+// final String inputPcapFile = path + "/2018-08/noise/noise.kwikset.eth1.pcap";
+// final String outputPcapFile = path + "/2018-08/noise/noise-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/noise/kwikset-doorlock-noise-sept-27-2018.timestamps";
+// final String deviceIp = "192.168.1.142"; // .142 == SmartThings Hub;
TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
+ /*
+ * NOTE: no need to generate these more complex on/off maps that also contain mappings from hostname and
+ * sequence identifiers as we do not care about hostnames and sequences during clustering.
+ * We can simply use the UserAction->List<Conversation> map to generate ON/OFF groupings of conversations.
+ */
+ /*
// Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence
Map<String, Map<String, List<Conversation>>> ons = new HashMap<>();
// Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence
Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
hostnameToConvs.forEach((host, convs) -> {
Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
- groupConversationsByPacketSequence(convs);
+ groupConversationsByPacketSequence(convs, verbose);
outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
list1.addAll(list2);
});
});
});
-
- System.out.println("");
-
- // -------------------------------------------------------------------------------------------------------------
- // -------------------------------------------------------------------------------------------------------------
+ */
+
+ // ================================================ CLUSTERING ================================================
+ // Note: no need to use the more convoluted on/off maps; can simply use the UserAction->List<Conversation> map
+ // when don't care about hostnames and sequences (see comment earlier).
+ List<Conversation> onConversations = userActionToConversations.entrySet().stream().
+ filter(e -> e.getKey().getType() == Type.TOGGLE_ON). // drop all OFF events from stream
+ map(e -> e.getValue()). // no longer interested in the UserActions
+ flatMap(List::stream). // flatten List<List<T>> to a List<T>
+ collect(Collectors.toList());
+ List<Conversation> offConversations = userActionToConversations.entrySet().stream().
+ filter(e -> e.getKey().getType() == Type.TOGGLE_OFF).
+ map(e -> e.getValue()).
+ flatMap(List::stream).
+ collect(Collectors.toList());
+ //Collections.sort(onConversations, (c1, c2) -> c1.getPackets().)
+
+ List<PcapPacketPair> onPairs = onConversations.stream().
+ map(c -> c.isTls() ? TcpConversationUtils.extractTlsAppDataPacketPairs(c) :
+ TcpConversationUtils.extractPacketPairs(c)).
+ flatMap(List::stream). // flatten List<List<>> to List<>
+ collect(Collectors.toList());
+ List<PcapPacketPair> offPairs = offConversations.stream().
+ map(c -> c.isTls() ? TcpConversationUtils.extractTlsAppDataPacketPairs(c) :
+ TcpConversationUtils.extractPacketPairs(c)).
+ flatMap(List::stream). // flatten List<List<>> to List<>
+ collect(Collectors.toList());
+ // Note: need to update the DnsMap of all PcapPacketPairs if we want to use the IP/hostname-sensitive distance.
+ Stream.concat(Stream.of(onPairs), Stream.of(offPairs)).flatMap(List::stream).forEach(p -> p.setDnsMap(dnsMap));
+ // Perform clustering on conversation logged as part of all ON events.
+ DBSCANClusterer<PcapPacketPair> onClusterer = new DBSCANClusterer<>(10.0, 45);
+ List<Cluster<PcapPacketPair>> onClusters = onClusterer.cluster(onPairs);
+ // Perform clustering on conversation logged as part of all OFF events.
+ DBSCANClusterer<PcapPacketPair> offClusterer = new DBSCANClusterer<>(10.0, 45);
+ List<Cluster<PcapPacketPair>> offClusters = offClusterer.cluster(offPairs);
+ // Sort the conversations as reference
+ List<Conversation> sortedAllConversation = TcpConversationUtils.sortConversationList(allConversations);
+ // Output clusters
+ System.out.println("========================================");
+ System.out.println(" Clustering results for ON ");
+ System.out.println(" Number of clusters: " + onClusters.size());
+ int count = 0;
+ List<List<List<PcapPacket>>> ppListOfListReadOn = new ArrayList<>();
+ List<List<List<PcapPacket>>> ppListOfListListOn = new ArrayList<>();
+ for (Cluster<PcapPacketPair> c : onClusters) {
+ System.out.println(String.format("<<< Cluster #%02d (%03d points) >>>", ++count, c.getPoints().size()));
+ System.out.print(PrintUtils.toSummaryString(c));
+ if(c.getPoints().size() > 45 && c.getPoints().size() < 55) {
+ // Print to file
+ List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
+ ppListOfListListOn.add(ppListOfList);
+ }
+ }
+ // TODO: Merging test
+ ppListOfListListOn = PcapPacketUtils.mergeSignatures(ppListOfListListOn, sortedAllConversation);
+ ppListOfListListOn = PcapPacketUtils.sortSignatures(ppListOfListListOn);
+ PcapPacketUtils.printSignatures(ppListOfListListOn);
+ //count = 0;
+ /*for (List<List<PcapPacket>> ll : ppListOfListListOn) {
+ PrintUtils.serializeClustersIntoFile("./onSignature" + ++count + ".sig", ll);
+ ppListOfListReadOn.add(PrintUtils.deserializeClustersFromFile("./onSignature" + count + ".sig"));
+ }*/
+ PrintUtils.serializeSignatureIntoFile("./onSignature.sig", ppListOfListListOn);
+ ppListOfListReadOn = PrintUtils.deserializeSignatureFromFile("./onSignature.sig");
+
+ System.out.println("========================================");
+ System.out.println(" Clustering results for OFF ");
+ System.out.println(" Number of clusters: " + offClusters.size());
+ count = 0;
+ List<List<List<PcapPacket>>> ppListOfListReadOff = new ArrayList<>();
+ List<List<List<PcapPacket>>> ppListOfListListOff = new ArrayList<>();
+ for (Cluster<PcapPacketPair> c : offClusters) {
+ System.out.println(String.format("<<< Cluster #%03d (%06d points) >>>", ++count, c.getPoints().size()));
+ System.out.print(PrintUtils.toSummaryString(c));
+ if(c.getPoints().size() > 45 && c.getPoints().size() < 55) {
+ // Print to file
+ List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
+ ppListOfListListOff.add(ppListOfList);
+ }
+ }
+ // TODO: Merging test
+ ppListOfListListOff = PcapPacketUtils.mergeSignatures(ppListOfListListOff, sortedAllConversation);
+ ppListOfListListOff = PcapPacketUtils.sortSignatures(ppListOfListListOff);
+ // TODO: Need to remove sequence number 1 for Nest Thermostat since it is not a good signature!
+ PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 1);
+ PcapPacketUtils.printSignatures(ppListOfListListOff);
+ //count = 0;
+ /*for (List<List<PcapPacket>> ll : ppListOfListListOff) {
+ PrintUtils.serializeClustersIntoFile("./offSignature" + ++count + ".sig", ll);
+ ppListOfListReadOff.add(PrintUtils.deserializeClustersFromFile("./offSignature" + count + ".sig"));
+ }*/
+ PrintUtils.serializeSignatureIntoFile("./offSignature.sig", ppListOfListListOff);
+ ppListOfListReadOff = PrintUtils.deserializeSignatureFromFile("./offSignature.sig");
+ System.out.println("========================================");
+ // ============================================================================================================
+
+ /*
+ System.out.println("==== ON ====");
+ // Print out all the pairs into a file for ON events
+ File fileOnEvents = new File(onPairsPath);
+ PrintWriter pwOn = null;
+ try {
+ pwOn = new PrintWriter(fileOnEvents);
+ } catch(Exception ex) {
+ ex.printStackTrace();
+ }
+ for(Map.Entry<String, Map<String, List<Conversation>>> entry : ons.entrySet()) {
+ Map<String, List<Conversation>> seqsToConvs = entry.getValue();
+ for(Map.Entry<String, List<Conversation>> entryConv : seqsToConvs.entrySet()) {
+ List<Conversation> listConv = entryConv.getValue();
+ // Just get the first Conversation because all Conversations in this group
+ // should have the same pairs of Application Data.
+ for(Conversation conv : listConv) {
+ // Process only if it is a TLS packet
+ if (conv.isTls()) {
+ List<PcapPacketPair> tlsAppDataList = TcpConversationUtils.extractTlsAppDataPacketPairs(conv);
+ for(PcapPacketPair pair: tlsAppDataList) {
+ System.out.println(PrintUtils.toCsv(pair, dnsMap));
+ pwOn.println(PrintUtils.toCsv(pair, dnsMap));
+ }
+ } else { // Non-TLS conversations
+ List<PcapPacketPair> packetList = TcpConversationUtils.extractPacketPairs(conv);
+ for(PcapPacketPair pair: packetList) {
+ System.out.println(PrintUtils.toCsv(pair, dnsMap));
+ pwOn.println(PrintUtils.toCsv(pair, dnsMap));
+ }
+ }
+ }
+ }
+ }
+ pwOn.close();
+
+ System.out.println("==== OFF ====");
+ // Print out all the pairs into a file for ON events
+ File fileOffEvents = new File(offPairsPath);
+ PrintWriter pwOff = null;
+ try {
+ pwOff = new PrintWriter(fileOffEvents);
+ } catch(Exception ex) {
+ ex.printStackTrace();
+ }
+ for(Map.Entry<String, Map<String, List<Conversation>>> entry : offs.entrySet()) {
+ Map<String, List<Conversation>> seqsToConvs = entry.getValue();
+ for(Map.Entry<String, List<Conversation>> entryConv : seqsToConvs.entrySet()) {
+ List<Conversation> listConv = entryConv.getValue();
+ // Just get the first Conversation because all Conversations in this group
+ // should have the same pairs of Application Data.
+ for(Conversation conv : listConv) {
+ // Process only if it is a TLS packet
+ if (conv.isTls()) {
+ List<PcapPacketPair> tlsAppDataList = TcpConversationUtils.extractTlsAppDataPacketPairs(conv);
+ for(PcapPacketPair pair: tlsAppDataList) {
+ System.out.println(PrintUtils.toCsv(pair, dnsMap));
+ pwOff.println(PrintUtils.toCsv(pair, dnsMap));
+ }
+ } else { // Non-TLS conversations
+ List<PcapPacketPair> packetList = TcpConversationUtils.extractPacketPairs(conv);
+ for (PcapPacketPair pair : packetList) {
+ System.out.println(PrintUtils.toCsv(pair, dnsMap));
+ pwOff.println(PrintUtils.toCsv(pair, dnsMap));
+ }
+ }
+ }
+ }
+ }
+ pwOff.close();
+ */
+
+// // ================================================================================================
+// // <<< Some work-in-progress/explorative code that extracts a "representative" sequence >>>
+// //
+// // Currently need to know relevant hostname in advance :(
+// String hostname = "events.tplinkra.com";
+//// String hostname = "rfe-us-west-1.dch.dlink.com";
+// // Conversations with 'hostname' for ON events.
+// List<Conversation> onsForHostname = new ArrayList<>();
+// // Conversations with 'hostname' for OFF events.
+// List<Conversation> offsForHostname = new ArrayList<>();
+// // "Unwrap" sequence groupings in ons/offs maps.
+// ons.get(hostname).forEach((k,v) -> onsForHostname.addAll(v));
+// offs.get(hostname).forEach((k,v) -> offsForHostname.addAll(v));
+//
+//
+// Map<String, List<Conversation>> onsForHostnameGroupedByTlsAppDataSequence = TcpConversationUtils.groupConversationsByTlsApplicationDataPacketSequence(onsForHostname);
+//
+//
+// // Extract representative sequence for ON and OFF by providing the list of conversations with
+// // 'hostname' observed for each event type (the training data).
+// SequenceExtraction seqExtraction = new SequenceExtraction();
+//// ExtractedSequence extractedSequenceForOn = seqExtraction.extract(onsForHostname);
+//// ExtractedSequence extractedSequenceForOff = seqExtraction.extract(offsForHostname);
+//
+// ExtractedSequence extractedSequenceForOn = seqExtraction.extractByTlsAppData(onsForHostname);
+// ExtractedSequence extractedSequenceForOff = seqExtraction.extractByTlsAppData(offsForHostname);
+//
+// // Let's check how many ONs align with OFFs and vice versa (that is, how many times an event is incorrectly
+// // labeled).
+// int onsLabeledAsOff = 0;
+// Integer[] representativeOnSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOn.getRepresentativeSequence());
+// Integer[] representativeOffSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOff.getRepresentativeSequence());
+// SequenceAlignment<Integer> seqAlg = seqExtraction.getAlignmentAlgorithm();
+// for (Conversation c : onsForHostname) {
+// Integer[] onSeq = TcpConversationUtils.getPacketLengthSequence(c);
+// if (seqAlg.calculateAlignment(representativeOffSeq, onSeq) <= extractedSequenceForOff.getMaxAlignmentCost()) {
+// onsLabeledAsOff++;
+// }
+// }
+// int offsLabeledAsOn = 0;
+// for (Conversation c : offsForHostname) {
+// Integer[] offSeq = TcpConversationUtils.getPacketLengthSequence(c);
+// if (seqAlg.calculateAlignment(representativeOnSeq, offSeq) <= extractedSequenceForOn.getMaxAlignmentCost()) {
+// offsLabeledAsOn++;
+// }
+// }
+// System.out.println("");
+// // ================================================================================================
+//
+//
+// // -------------------------------------------------------------------------------------------------------------
+// // -------------------------------------------------------------------------------------------------------------
}
}