Adding new experiments for sensitivity analysis.
[pingpong.git] / Code / Projects / SmartPlugDetector / src / main / java / edu / uci / iotproject / Main.java
index f3b8a005bdb37009c0d81b4d50565b4750a567f2..2896ea740b68604d47510a13306649bc29d6c7d6 100644 (file)
@@ -1,13 +1,26 @@
 package edu.uci.iotproject;
 
-import edu.uci.iotproject.maclayer.MacLayerFlowPattern;
-import edu.uci.iotproject.maclayer.MacLayerFlowPatternFinder;
+import static edu.uci.iotproject.analysis.UserAction.Type;
+
+import edu.uci.iotproject.analysis.*;
+import edu.uci.iotproject.io.TriggerTimesFileReader;
+import edu.uci.iotproject.trafficreassembly.layer3.Conversation;
+import edu.uci.iotproject.trafficreassembly.layer3.TcpReassembler;
+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.net.UnknownHostException;
+import java.time.Duration;
+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
@@ -24,51 +37,866 @@ public class Main {
 
     public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
         // -------------------------------------------------------------------------------------------------------------
-        // Example/debug code for searching for a pattern at the MAC layer.
-//        String fileName = "./pcap/mac-tplink.local.pcapng";
-//        PcapHandle handle;
+        // ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
+        // 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
+        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?
+        // TODO: EXPERIMENT - November 7, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/dlink-plug/wlan1/dlink-plug.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/dlink-plug/wlan1/dlink-plug-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/dlink-plug/timestamps/dlink-plug-nov-7-2018.timestamps";
+//        final String deviceIp = "192.168.1.199"; // .246 == phone; .199 == dlink plug?
+////        final String deviceIp = "192.168.1.246"; // .246 == phone; .199 == dlink plug?
+
+        // 2) TP-Link July 25 experiment
+//        final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.pcap";
+//        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 = "192.168.1.159"; // .246 == phone; .159 == tplink plug
+        // TODO: EXPERIMENT - November 8, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/tplink-plug/wlan1/tplink-plug.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/tplink-plug/wlan1/tplink-plug-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/tplink-plug/timestamps/tplink-plug-nov-8-2018.timestamps";
+//        final String deviceIp = "192.168.1.159"; // .246 == phone; .159 == tplink plug
+////        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.
+        // Last included event is at July 25 10:38:11; file filtered to only include packets with arrival time <= 10:38:27.
+//        final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.truncated.pcap";
+//        final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.truncated.pcap";
+//        final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.truncated.timestamps";
+//        final String deviceIp = "192.168.1.159";
+
+        // 3) SmartThings Plug July 25 experiment
+//        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!)
+        // TODO: EXPERIMENT - November 12, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/st-plug/wlan1/st-plug.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/st-plug/wlan1/st-plug-processed.pcap";
+////        final String inputPcapFile = path + "/experimental_result/standalone/st-plug/eth1/st-plug.eth1.local.pcap";
+////        final String outputPcapFile = path + "/experimental_result/standalone/st-plug/eth1/st-plug-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/st-plug/timestamps/st-plug-nov-12-2018.timestamps";
+////        final String deviceIp = "192.168.1.142"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
+//        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";  // .246 == phone; .145 == WeMo
+        // TODO: EXPERIMENT - November 20, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/wemo-plug/wlan1/wemo-plug.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/wemo-plug/wlan1/wemo-plug-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/wemo-plug/timestamps/wemo-plug-nov-20-2018.timestamps";
+////        final String deviceIp = "192.168.1.145"; // .246 == phone; .145 == WeMo
+//        final String deviceIp = "192.168.1.246"; // .246 == phone; .145 == WeMo
+
+        // 5) Wemo Insight July 31 experiment
+//        final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/2018-07/wemoinsight/wemoinsight-processed.pcap";
+//        final String triggerTimesFile = path + "/2018-07/wemoinsight/wemo-insight-july-31-2018.timestamps";
+//        final String deviceIp = "192.168.1.135";
+        // TODO: EXPERIMENT - November 21, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/wemo-insight-plug/wlan1/wemo-insight-plug.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/wemo-insight-plug/wlan1/wemo-insight-plug-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/wemo-insight-plug/timestamps/wemo-insight-plug-nov-21-2018.timestamps";
+////        final String deviceIp = "192.168.1.145"; // .246 == phone; .135 == WeMo Insight
+//        final String deviceIp = "192.168.1.246"; // .246 == phone; .135 == WeMo Insight
+
+        // 6) TP-Link Bulb August 1 experiment
+//        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 = "192.168.1.246"; // .246 == phone; .140 == TP-Link bulb
+        // TODO: EXPERIMENT - November 16, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/tplink-bulb/wlan1/tplink-bulb.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/tplink-bulb/wlan1/tplink-bulb-processed.pcap";
+////        final String inputPcapFile = path + "/experimental_result/standalone/tplink-bulb/eth0/tplink-bulb.eth1.local.pcap";
+////        final String outputPcapFile = path + "/experimental_result/standalone/tplink-bulb/eth0/tplink-bulb-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/tplink-bulb/timestamps/tplink-bulb-nov-16-2018.timestamps";
+////        final String deviceIp = "192.168.1.140"; // .246 == phone; .140 == TP-Link bulb
+//        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.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-8hr-data-oct-11-2018.timestamps";
+//        final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
+        // TODO: EXPERIMENT - November 10, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/wlan1/kwikset-doorlock.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/wlan1/kwikset-doorlock-processed.pcap";
+////        final String inputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/eth1/kwikset-doorlock.eth1.local.pcap";
+////        final String outputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/eth1/kwikset-doorlock-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/kwikset-doorlock/timestamps/kwikset-doorlock-nov-10-2018.timestamps";
+////        final String deviceIp = "192.168.1.142"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
+//        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 inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
+//        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
+        // TODO: EXPERIMENT - November 19, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/hue-bulb/wlan1/hue-bulb.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/hue-bulb/wlan1/hue-bulb-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/hue-bulb/timestamps/hue-bulb-nov-19-2018.timestamps";
+////        final String deviceIp = "192.168.1.100"; // .246 == phone; .100 == Hue hub
+//        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 outputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera-processed.pcap";
+//        final String triggerTimesFile = path + "/2018-08/amcrest-camera/amcrest-camera-aug-9-2018.timestamps";
+//        final String deviceIp = "192.168.1.246"; // .246 == phone; .235 == camera
+
+        // 11) Arlo Camera August 10 experiment
+//        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 = "192.168.1.246"; // .246 == phone; .140 == camera
+        // TODO: EXPERIMENT - November 13, 2018
+        final String inputPcapFile = path + "/experimental_result/standalone/arlo-camera/wlan1/arlo-camera.wlan1.local.pcap";
+        final String outputPcapFile = path + "/experimental_result/standalone/arlo-camera/wlan1/arlo-camera-processed.pcap";
+//        final String inputPcapFile = path + "/experimental_result/standalone/arlo-camera/eth0/arlo-camera.eth1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/arlo-camera/eth0/arlo-camera-processed.pcap";
+        final String triggerTimesFile = path + "/experimental_result/standalone/arlo-camera/timestamps/arlo-camera-nov-13-2018.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
+        // January 9, 11, 13, 14
+//        final String inputPcapFile = path + "/experimental_result/standalone/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/blossom-sprinkler/wlan1/blossom-sprinkler-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/blossom-sprinkler/timestamps/blossom-sprinkler-standalone-jan-14-2019.timestamps";
+////        final String triggerTimesFile = path + "/experimental_result/standalone/blossom-sprinkler/timestamps/blossom-sprinkler-standalone-jan-11-2019.timestamps";
+//        final String deviceIp = "192.168.1.246"; // .246 == phone; .229 == sprinkler
+////        final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
+
+//        // 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-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
+        // TODO: EXPERIMENT - November 9, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/dlink-siren/wlan1/dlink-siren.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/dlink-siren/wlan1/dlink-siren-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/dlink-siren/timestamps/dlink-siren-nov-9-2018.timestamps";
+////        final String deviceIp = "192.168.1.183"; // .246 == phone; .183 == siren
+//        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
+//        // TODO: EXPERIMENT - November 14, 2018
+//        final String inputPcapFile = path + "/experimental_result/standalone/nest-thermostat/wlan1/nest-thermostat.wlan1.local.pcap";
+//        final String outputPcapFile = path + "/experimental_result/standalone/nest-thermostat/wlan1/nest-thermostat-processed.pcap";
+////        final String inputPcapFile = path + "/experimental_result/standalone/nest-thermostat/eth0/nest-thermostat.eth1.local.pcap";
+////        final String outputPcapFile = path + "/experimental_result/standalone/nest-thermostat/eth0/nest-thermostat-processed.pcap";
+//        final String triggerTimesFile = path + "/experimental_result/standalone/nest-thermostat/timestamps/nest-thermostat-nov-15-2018.timestamps";
+////        final String deviceIp = "192.168.1.127"; // .246 == phone; .127 == Nest thermostat
+//        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 outputPcapFile = path + "/2018-08/alexa/alexa-processed.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
+
+        // 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;
+
+        // TODO: The below part is just for 15-second time sensitivity experiment
+        // TODO: The below part is just for 15-second time sensitivity experiment
+        // TODO: The below part is just for 15-second time sensitivity experiment
+        // D-Link plug
+//        final String triggerTimesFile = path + "/experimental_result/standalone/dlink-plug/timestamps/dlink-plug-nov-7-2018.timestamps";
+////        final String onSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-onSignature-phone-side.sig";
+////        final String offSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-offSignature-phone-side.sig";
+//        final String onSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-onSignature-device-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-offSignature-device-side.sig";
+        // TP-Link plug
+//        final String triggerTimesFile = path + "/experimental_result/standalone/tplink-plug/timestamps/tplink-plug-nov-8-2018.timestamps";
+////        final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-phone-side.sig";
+////        final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-phone-side.sig";
+//        final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-device-side-outbound.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-device-side-outbound.sig";
+        // D-Link siren
+//        final String triggerTimesFile = path + "/experimental_result/standalone/dlink-siren/timestamps/dlink-siren-nov-9-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-offSignature-phone-side.sig";
+        // Kwikset door lock
+//        final String triggerTimesFile = path + "/experimental_result/standalone/kwikset-doorlock/timestamps/kwikset-doorlock-nov-10-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/kwikset-doorlock/signatures/kwikset-doorlock-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/kwikset-doorlock/signatures/kwikset-doorlock-offSignature-phone-side.sig";
+        // SmartThings plug
+//        final String triggerTimesFile = path + "/experimental_result/standalone/st-plug/timestamps/st-plug-nov-12-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/st-plug/signatures/st-plug-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/st-plug/signatures/st-plug-offSignature-phone-side.sig";
+        // Arlo Q
+//        final String triggerTimesFile = path + "/experimental_result/standalone/arlo-camera/timestamps/arlo-camera-nov-13-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-offSignature-phone-side.sig";
+        // Nest thermostat
+//        final String triggerTimesFile = path + "/experimental_result/standalone/nest-thermostat/timestamps/nest-thermostat-nov-15-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/nest-thermostat/signatures/nest-thermostat-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/nest-thermostat/signatures/nest-thermostat-offSignature-phone-side.sig";
+        // Blossom sprinkler
+//        final String triggerTimesFile = path + "/experimental_result/standalone/blossom-sprinkler/timestamps/blossom-sprinkler-standalone-jan-14-2019.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-device-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-device-side.sig";
+//        final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-phone-side.sig";
+        // TP-Link bulb
+//        final String triggerTimesFile = path + "/experimental_result/standalone/tplink-bulb/timestamps/tplink-bulb-nov-16-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/tplink-bulb/signatures/tplink-bulb-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/tplink-bulb/signatures/tplink-bulb-offSignature-phone-side.sig";
+        // Philips hue
+//        final String triggerTimesFile = path + "/2018-08/hue-bulb/hue-bulb-aug-7-2018.timestamps";
+//        final String onSignatureFile = path + "/training/hue-bulb/signatures/hue-bulb-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/training/hue-bulb/signatures/hue-bulb-offSignature-phone-side.sig";
+        // WeMo plug
+//        final String triggerTimesFile = path + "/experimental_result/standalone/wemo-plug/timestamps/wemo-plug-nov-20-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/wemo-plug/signatures/wemo-plug-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/wemo-plug/signatures/wemo-plug-offSignature-phone-side.sig";
+        // WeMo Insight plug
+//        final String triggerTimesFile = path + "/experimental_result/standalone/wemo-insight-plug/timestamps/wemo-insight-plug-nov-21-2018.timestamps";
+//        final String onSignatureFile = path + "/experimental_result/standalone/wemo-insight-plug/signatures/wemo-insight-plug-onSignature-phone-side.sig";
+//        final String offSignatureFile = path + "/experimental_result/standalone/wemo-insight-plug/signatures/wemo-insight-plug-offSignature-phone-side.sig";
+
+
+//        TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
+//        List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
+//
+//        System.out.println("ON signature file in use is " + onSignatureFile);
+//        System.out.println("OFF signature file in use is " + offSignatureFile);
+//
+//        List<List<List<PcapPacket>>> onSignature = PrintUtils.deserializeSignatureFromFile(onSignatureFile);
+//        List<List<List<PcapPacket>>> offSignature = PrintUtils.deserializeSignatureFromFile(offSignatureFile);
+//
+//        List<Instant> signatureTimestamps = new ArrayList<>();
+//        // Load ON signature last packet's timestamp
+//        // Get the last only
+//        List<List<PcapPacket>> lastListOn = onSignature.get(onSignature.size()-1);
+//        for (List<PcapPacket> list : lastListOn) {
+//            // Get timestamp Instant from the last packet
+//            int lastPacketIndex = list.size()-1;
+//            signatureTimestamps.add(list.get(lastPacketIndex).getTimestamp());
+//        }
+//        // Load OFF signature last packet's timestamp
+//        // Get the last only
+//        List<List<PcapPacket>> lastListOff = offSignature.get(offSignature.size()-1);
+//        for (List<PcapPacket> list : lastListOff) {
+//            // Get timestamp Instant from the last packet
+//            int lastPacketIndex = list.size()-1;
+//            signatureTimestamps.add(list.get(lastPacketIndex).getTimestamp());
+//        }
+//        // Sort the timestamps
+//        signatureTimestamps.sort((p1, p2) -> {
+//            return p1.compareTo(p2);
+//        });
+//
+//        Iterator<Instant> iterTrig = triggerTimes.iterator();
+//        Iterator<Instant> iterSign = signatureTimestamps.iterator();
+//        System.out.println("Trigger to Last Packet:");
+//        while (iterTrig.hasNext() && iterSign.hasNext()) {
+//            Instant trigInst = (Instant) iterTrig.next();
+//            Instant signInst = (Instant) iterSign.next();
+//            Duration dur = Duration.between(trigInst, signInst);
+//            long duration = dur.toMillis();
+//            // Check duration --- should be below 15 seconds
+//            if (duration >= 0 && duration <= 15000) {
+//                System.out.println(dur.toMillis());
+//            } else if (duration > 15000) {
+//                while (duration > 15000) { // that means we have to move to the next trigger
+//                    trigInst = (Instant) iterTrig.next();
+//                    dur = Duration.between(trigInst, signInst);
+//                    duration = dur.toMillis();
+//                }
+//                System.out.println(dur.toMillis());
+//            } else { // below 0 / negative --- that means we have to move to the next signature
+//                while (duration < 0) { // that means we have to move to the next trigger
+//                    signInst = (Instant) iterSign.next();
+//                    dur = Duration.between(trigInst, signInst);
+//                    duration = dur.toMillis();
+//                }
+//                System.out.println(dur.toMillis());
+//            }
+//        }
+//
+//
+//        // ==========================================================================
+//        List<Instant> firstSignatureTimestamps = new ArrayList<>();
+//        List<Instant> lastSignatureTimestamps = new ArrayList<>();
+//        List<List<PcapPacket>> firstListOnSign = onSignature.get(0);
+//        List<List<PcapPacket>> lastListOnSign = onSignature.get(onSignature.size()-1);
+//        // Load ON signature first and last packet's timestamps
+//        for (List<PcapPacket> list : firstListOnSign) {
+//            // Get timestamp Instant from the last packet
+//            firstSignatureTimestamps.add(list.get(0).getTimestamp());
+//        }
+//        for (List<PcapPacket> list : lastListOnSign) {
+//            // Get timestamp Instant from the last packet
+//            int lastPacketIndex = list.size()-1;
+//            lastSignatureTimestamps.add(list.get(lastPacketIndex).getTimestamp());
+//        }
+//
+//        List<List<PcapPacket>> firstListOffSign = offSignature.get(0);
+//        List<List<PcapPacket>> lastListOffSign = offSignature.get(offSignature.size()-1);
+//        // Load OFF signature first and last packet's timestamps
+//        for (List<PcapPacket> list : firstListOffSign) {
+//            // Get timestamp Instant from the last packet
+//            firstSignatureTimestamps.add(list.get(0).getTimestamp());
+//        }
+//        for (List<PcapPacket> list : lastListOffSign) {
+//            // Get timestamp Instant from the last packet
+//            int lastPacketIndex = list.size()-1;
+//            lastSignatureTimestamps.add(list.get(lastPacketIndex).getTimestamp());
+//        }
+//        // Sort the timestamps
+//        firstSignatureTimestamps.sort((p1, p2) -> {
+//            return p1.compareTo(p2);
+//        });
+//        // Sort the timestamps
+//        lastSignatureTimestamps.sort((p1, p2) -> {
+//            return p1.compareTo(p2);
+//        });
+//
+//        Iterator<Instant> iterFirst = firstSignatureTimestamps.iterator();
+//        Iterator<Instant> iterLast = lastSignatureTimestamps.iterator();
+//        System.out.println("First to Last Packet:");
+//        while (iterFirst.hasNext() && iterLast.hasNext()) {
+//            Instant firstInst = (Instant) iterFirst.next();
+//            Instant lastInst = (Instant) iterLast.next();
+//            Duration dur = Duration.between(firstInst, lastInst);
+//            long duration = dur.toMillis();
+//            // Check duration --- should be below 15 seconds
+//            if (duration >= 0 && duration <= 15000) {
+//                System.out.println(dur.toMillis());
+//            } else if (duration > 15000) {
+//                while (duration > 15000) { // that means we have to move to the next trigger
+//                    firstInst = (Instant) iterFirst.next();
+//                    dur = Duration.between(firstInst, lastInst);
+//                    duration = dur.toMillis();
+//                }
+//                System.out.println(dur.toMillis());
+//            } else { // below 0 / negative --- that means we have to move to the next signature
+//                while (duration < 0) { // that means we have to move to the next trigger
+//                    lastInst = (Instant) iterLast.next();
+//                    dur = Duration.between(firstInst, lastInst);
+//                    duration = dur.toMillis();
+//                }
+//                System.out.println(dur.toMillis());
+//            }
+//            if (duration > 8000) {
+//                break;
+//            }
+//        }
+
+        // TODO: The above part is just for 15-second time sensitivity experiment
+        // TODO: The above part is just for 15-second time sensitivity experiment
+        // TODO: The above part is just for 15-second time sensitivity experiment
+
+
+
+
+        TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
+        List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
+        // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
+        List<UserAction> userActions = new ArrayList<>();
+        for (int i = 0; i < triggerTimes.size(); i++) {
+            userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
+        }
+        TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
+        final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
+        DnsMap dnsMap = new DnsMap();
+        TcpReassembler tcpReassembler = new TcpReassembler();
+        TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
+        tte.performExtraction(pkt -> {
+            try {
+                outputter.dump(pkt);
+            } catch (NotOpenException e) {
+                e.printStackTrace();
+            }
+        }, dnsMap, tcpReassembler, trafficLabeler);
+        outputter.flush();
+        outputter.close();
+
+        if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
+            // Sanity/debug check
+            throw new AssertionError(String.format("mismatch between packet count in %s and %s",
+                    TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
+        }
+
+        // Extract all conversations present in the filtered trace.
+        List<Conversation> allConversations = tcpReassembler.getTcpConversations();
+        // Group conversations by hostname.
+        Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
+        System.out.println("Grouped conversations by hostname.");
+        // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
+        final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
+        convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
+        System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
+        // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
+        // sequence of packets of some specific lengths).
+        final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
+        convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
+        System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
+        // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
+        final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
+                TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
+        System.out.println("Counted frequencies of packet pairs per hostname");
+        // For each user action, reassemble the set of TCP connections occurring shortly after
+        final Map<UserAction, List<Conversation>> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic();
+        final Map<UserAction, Map<String, List<Conversation>>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap);
+        System.out.println("Reassembled TCP conversations occurring shortly after each user event");
+
+
+
+        /*
+         * 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>>> offs = new HashMap<>();
+//        userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
+//            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, verbose);
+//                outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
+//                    newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
+//                        list1.addAll(list2);
+//                        return list1;
+//                    }));
+//                    return oldMap;
+//                });
+//            });
+//        });
+//
+//        System.out.println("==== ON ====");
+//        // Print out all the pairs into a file for ON events
+//        File fileOnEvents = new File(onPairsPath);
+//        PrintWriter pwOn = null;
 //        try {
-//            handle = Pcaps.openOffline(fileName, PcapHandle.TimestampPrecision.NANO);
-//        } catch (PcapNativeException pne) {
-//            handle = Pcaps.openOffline(fileName);
-//        }
-//        Arrays.asList(1590, 1590, 1590, 1001, 337, 197, 636, 1311, 177) // Full pattern (all non-zero payload packets).
-//        MacLayerFlowPattern pattern = new MacLayerFlowPattern("TP_LINK_LOCAL_OFF_MAC", "50:c7:bf:33:1f:09", Arrays.asList(637, 1312));
-//        MacLayerFlowPatternFinder finder = new MacLayerFlowPatternFinder(handle, pattern);
-//        finder.findFlowPattern();
-        // -------------------------------------------------------------------------------------------------------------
+//            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();
+
 
-        //final String fileName = args.length > 0 ? args[0] : "/home/rtrimana/pcap_processing/smart_home_traffic/Code/Projects/SmartPlugDetector/pcap/wlan1.local.dns.pcap";
-        final String fileName = args.length > 0 ? args[0] : "/scratch/June-2018/TPLink/wlan1/tplink.wlan1.local.pcap";
-        //final String fileName = args.length > 0 ? args[0] : "/scratch/June-2018/DLink/wlan1/dlink.wlan1.local.pcap";
-        final String trainingFileName = "./pcap/TP_LINK_LOCAL_ON_SUBSET.pcap";
-//        final String trainingFileName = "./pcap/TP_LINK_LOCAL_ON.pcap";
-//
-//        // ====== Debug code ======
-        PcapHandle handle;
-        PcapHandle trainingPcap;
-        try {
-            handle = Pcaps.openOffline(fileName, PcapHandle.TimestampPrecision.NANO);
-            trainingPcap = Pcaps.openOffline(trainingFileName, PcapHandle.TimestampPrecision.NANO);
-        } catch (PcapNativeException pne) {
-            handle = Pcaps.openOffline(fileName);
-            trainingPcap = Pcaps.openOffline(trainingFileName);
+        // ================================================ 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);
+//        DBSCANClusterer<PcapPacketPair> onClusterer = new DBSCANClusterer<>(2, 2);
+//        //DBSCANClusterer<PcapPacketPair> onClusterer = new DBSCANClusterer<>(10.0, 10);
+//        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);
+//        DBSCANClusterer<PcapPacketPair> offClusterer = new DBSCANClusterer<>(2, 2);
+//        //DBSCANClusterer<PcapPacketPair> offClusterer = new DBSCANClusterer<>(10.0, 10);
+//        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) {
+//            //if(c.getPoints().size() > 25) {
+//                // Print to file
+//                List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
+//                ppListOfListListOn.add(ppListOfList);
+//            }
+//        }
+//        // TODO: Merging test
+//        ppListOfListListOn = PcapPacketUtils.mergeSignatures(ppListOfListListOn, sortedAllConversation);
+//        // TODO: Need to remove sequence 550 567 for Blossom phone side since it is not a good signature (overlap)!
+////        PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOn, 1);
+//        // TODO: Need to remove sequence 69 296 for Blossom device side since it is not a good signature (overlap)!
+////        PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOn, 2);
+//        // TODO: Need to remove sequence number 2 for ST plug since it is not a good signature!
+//        //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOn, 2);
+//        // TODO: Need to remove sequence number 0 for Arlo Camera since it is not a good signature!
+//        //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOn, 0);
+//        // TODO: Need to remove sequence number 0 for TP-Link plug since it is not a good signature!
+//        // TODO: This sequence actually belongs to the local communication between the plug and the phone
+//        //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOn, 0);
+//        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) {
+//            //if(c.getPoints().size() > 25) {
+//                // Print to file
+//                List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
+//                ppListOfListListOff.add(ppListOfList);
+//            }
+//        }
+//        // TODO: Merging test
+//        ppListOfListListOff = PcapPacketUtils.mergeSignatures(ppListOfListListOff, sortedAllConversation);
+//        // TODO: Need to remove sequence 69 296 for Blossom device side since it is not a good signature (overlap)!
+////        PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 3);
+//        // TODO: Need to remove sequence number 1 for Nest Thermostat since it is not a good signature!
+//        //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 1);
+//        // TODO: Need to remove sequence number 0 for Arlo Camera since it is not a good signature!
+////        PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 1);
+//        // TODO: Need to remove sequence number 2 for ST plug since it is not a good signature!
+//        //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 2);
+//        // TODO: Need to remove sequence number 0 for TP-Link plug since it is not a good signature!
+//        // TODO: This sequence actually belongs to the local communication between the plug and the phone
+//        //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 0);
+//        ppListOfListListOff = PcapPacketUtils.sortSignatures(ppListOfListListOff);
+//        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("========================================");
+        // ============================================================================================================
+
+        // TODO: This part is just for DBSCAN sensitivity experiment
+        // TODO: This part is just for DBSCAN sensitivity experiment
+        // TODO: This part is just for DBSCAN sensitivity experiment
+        // TODO: This part is just for DBSCAN sensitivity experiment
+        // TODO: This part is just for DBSCAN sensitivity experiment
+        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));
+
+        double eps = 10; // loop from eps 1-10
+        int minPts = 50; // loop from minPts 30-50
+        for(int epsCount = 7; epsCount <= eps; epsCount++) {
+            for(int minPtsCount = 30; minPtsCount <= minPts; minPtsCount++) {
+                System.out.println("Eps: " + epsCount + " --- minPts: " + minPtsCount);
+                DBSCANClusterer<PcapPacketPair> onClusterer = new DBSCANClusterer<>(epsCount, minPtsCount);
+                DBSCANClusterer<PcapPacketPair> offClusterer = new DBSCANClusterer<>(epsCount, minPtsCount);
+                List<Cluster<PcapPacketPair>> onClusters = onClusterer.cluster(onPairs);
+                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>>> 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) {
+//                        if(c.getPoints().size() > 25) {
+                        // Print to file
+                        List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
+                        ppListOfListListOn.add(ppListOfList);
+                    }
+                }
+                PcapPacketUtils.printSignatures(ppListOfListListOn);
+
+                System.out.println("========================================");
+                System.out.println("       Clustering results for OFF       ");
+                System.out.println("       Number of clusters: " + offClusters.size());
+                count = 0;
+                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) {
+                        //if(c.getPoints().size() > 25) {
+                        // Print to file
+                        List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
+                        ppListOfListListOff.add(ppListOfList);
+                    }
+                }
+                PcapPacketUtils.printSignatures(ppListOfListListOff);
+                System.out.println();
+                System.out.println();
+                System.out.println();
+                // ============================================================================================================
+            }
         }
+
+
+//        // ================================================================================================
+//        // <<< 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);
 //
-//        // TODO: The followings are the way to extract multiple hostnames and their associated packet lengths lists
-//        //List<String> list = new ArrayList<>();
-//        //list.add("events.tplinkra.com");
-//        //FlowPattern fp = new FlowPattern("TP_LINK_LOCAL_ON", list, trainingPcap);
-//        //List<String> list2 = new ArrayList<>();
-//        //list2.add("devs.tplinkcloud.com");
-//        //list2.add("events.tplinkra.com");
-//        //FlowPattern fp3 = new FlowPattern("TP_LINK_REMOTE_ON", list2, trainingPcap);
-//
-        FlowPattern fp = new FlowPattern("TP_LINK_LOCAL_ON", "events.tplinkra.com", trainingPcap);
-        //FlowPattern fp = new FlowPattern("DLINK_LOCAL_ON", "rfe-us-west-1.dch.dlink.com", trainingPcap);
-        FlowPatternFinder fpf = new FlowPatternFinder(handle, fp);
-        fpf.start();
-//
-//        // ========================
+//
+//        // 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("");
+//        // ================================================================================================
+//
+//
+//        // -------------------------------------------------------------------------------------------------------------
+//        // -------------------------------------------------------------------------------------------------------------
     }
+
 }
+
+
+// TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
+// frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159
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