-// final String fileName = args.length > 0 ? args[0] : "/home/rtrimana/pcap_processing/smart_home_traffic/Code/Projects/SmartPlugDetector/pcap/wlan1.local.remote.dns.pcap";
-// final String trainingFileName = "./pcap/TP_LINK_LOCAL_ON_SUBSET.pcap";
-// //final String trainingFileName = "./pcap/TP_LINK_REMOTE_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);
-// }
-//
-// // 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);
-// FlowPatternFinder fpf = new FlowPatternFinder(handle, fp);
-// fpf.start();
-//
-// // ========================
+ 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");
+
+
+
+ // 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);
+ 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("");
+
+ // -------------------------------------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------------------------------------