From 2376c7bb9d8f9edf532786bfe5d56063334a3234 Mon Sep 17 00:00:00 2001
From: Janus Varmarken <varmarken@gmail.com>
Date: Thu, 26 Jul 2018 14:47:05 -0700
Subject: [PATCH] Main.java: delete code that would compute statistics of
 conversations (now in separate class)

---
 .../main/java/edu/uci/iotproject/Main.java    | 88 -------------------
 1 file changed, 88 deletions(-)

diff --git a/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java b/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java
index 4a05501..9dade93 100644
--- a/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java
+++ b/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java
@@ -134,94 +134,6 @@ public class Main {
         }, dnsMap, tcpReassembler);
         outputter.flush();
         outputter.close();
-
-        /*
-        int packets = 0;
-        for (Conversation c : tcpReassembler.getTcpConversations()) {
-            packets += c.getPackets().size();
-            packets += c.getSynPackets().size();
-            // only count the FIN packets, not the ACKs; every FinAckPair holds a FIN packet
-            packets += c.getFinAckPairs().size();
-        }
-        // Produces 271 packets for the Feb 13 experiment
-        // Applying filter: "(tcp and not tcp.len == 0 and not tcp.analysis.retransmission and not tcp.analysis.fast_retransmission)  or (tcp.flags.syn == 1) or (tcp.flags.fin == 1)"
-        // to the file gives 295 packets, but there are 24 TCP-Out-Of-Order SYN/SYNACKs which are filtered as retransmissions in Conversation, so the numbers seem to match.
-        System.out.println("number of packets: " + packets);
-        */
-
-        List<List<PcapPacketPair>> pairs = new ArrayList<>();
-        for (Conversation c : tcpReassembler.getTcpConversations()) {
-            pairs.add(TcpConversationUtils.extractPacketPairs(c));
-        }
-        /*
-        // Sort pairs according to timestamp of first packet of conversation for (debugging) convenience.
-        Collections.sort(pairs, (l1, l2) -> {
-            if (l1.get(0).getFirst().getTimestamp().isBefore(l2.get(0).getFirst().getTimestamp())) return -1;
-            else if (l2.get(0).getFirst().getTimestamp().isBefore(l1.get(0).getFirst().getTimestamp())) return 1;
-            else return 0;
-        });
-        */
-        System.out.println("list of pairs produced");
-        List<PcapPacketPair> eventstplinkraPairs = new ArrayList<>();
-        List<List<PcapPacketPair>> otherPairs = new ArrayList<>();
-        String hostname = "events.tplinkra.com";
-        int emptyLists = 0;
-        for (List<PcapPacketPair> lppp : pairs) {
-            if (lppp.size() < 1) {
-                emptyLists++;
-                continue;
-            }
-            IpV4Packet ipPacket = lppp.get(0).getFirst().get(IpV4Packet.class);
-            // If packets are associated with the hostname
-            if (dnsMap.isRelatedToCloudServer(ipPacket.getHeader().getSrcAddr().getHostAddress(), hostname) ||
-                    dnsMap.isRelatedToCloudServer(ipPacket.getHeader().getDstAddr().getHostAddress(), hostname)) {
-                eventstplinkraPairs.addAll(lppp);
-            } else {
-                // Pairs associated with different server
-                otherPairs.add(lppp);
-            }
-        }
-        System.out.println("number of empty list of packet pairs: " + emptyLists);
-        HashMap<String, Integer> pairCount = new HashMap<>();
-        for (PcapPacketPair ppp : eventstplinkraPairs) {
-            if (pairCount.containsKey(ppp.toString())) {
-                pairCount.put(ppp.toString(), pairCount.get(ppp.toString()) + 1);
-            } else {
-                pairCount.put(ppp.toString(), 1);
-            }
-        }
-        System.out.println("pairCount map built");
-
-        // Build map containing frequencies of packet lengths exchanged with events.tplinkra.com as well as a map with
-        // the frequencies of specific sequences of packet lengths for the same hostname
-        HashMap<Integer, Integer> eventstplinkraPacketLengthFreqMap = new HashMap<>();
-        HashMap<String, Integer> eventstplinkraPacketSequenceFreqMap = new HashMap<>();
-        for (Conversation c : tcpReassembler.getTcpConversations()) {
-            if (c.getPackets().size() == 0) {
-                continue;
-            }
-            PcapPacket firstPacket = c.getPackets().get(0);
-            IpV4Packet firstPacketIp = firstPacket.get(IpV4Packet.class);
-            if (!dnsMap.isRelatedToCloudServer(firstPacketIp.getHeader().getSrcAddr().getHostAddress(), hostname) &&
-                    !dnsMap.isRelatedToCloudServer(firstPacketIp.getHeader().getDstAddr().getHostAddress(), hostname)) {
-                continue;
-            }
-            // Update the packet length freq map
-            for (PcapPacket pp : c.getPackets()) {
-                eventstplinkraPacketLengthFreqMap.merge(pp.length(), 1, (i1, i2) -> i1 + i2);
-            }
-            // Update the packet sequence freq map
-            StringBuilder sb = new StringBuilder();
-            for (PcapPacket pp : c.getPackets()) {
-                sb.append(pp.length() + " ");
-            }
-            eventstplinkraPacketSequenceFreqMap.merge(sb.toString(), 1, (i1, i2) -> i1+i2);
-        }
-        System.out.println("packet length frequency map created");
-
-        Map<String, List<Conversation>> hostnameConversationMap =
-                TcpConversationUtils.groupConversationsByHostname(tcpReassembler.getTcpConversations(), dnsMap);
-        System.out.println("hostnameConversationMap created");
         // ----------------------------
     }
 
-- 
2.34.1