Работа над добавлением поиска паттернов

src/main/java/ru/serega6531/packmate/PcapWorker.java

@@ -32,8 +32,7 @@ public class PcapWorker {
     private final ServicesService servicesService;
     private final StreamService streamService;
     private final PacketService packetService;
-    private final PatternService patternService;
-    private final PacketsSubscriptionService subscriptionService;
+    private final StreamSubscriptionService subscriptionService;
 
     private final PcapNetworkInterface device;
     private PcapHandle pcap = null;
@@ -53,14 +52,12 @@ public class PcapWorker {
     public PcapWorker(ServicesService servicesService,
                       StreamService streamService,
                       PacketService packetService,
-                      PatternService patternService,
-                      PacketsSubscriptionService subscriptionService,
+                      StreamSubscriptionService subscriptionService,
                       @Value("${interface-name}") String interfaceName,
                       @Value("${local-ip}") String localIp) throws PcapNativeException {
         this.servicesService = servicesService;
         this.streamService = streamService;
         this.packetService = packetService;
-        this.patternService = patternService;
         this.subscriptionService = subscriptionService;
 
         this.localIp = localIp;
@@ -193,16 +190,15 @@ public class PcapWorker {
                     }
 
                     if(rst || (acksForStream.contains(sourceIpAndPort) && acksForStream.contains(destIpAndPort))) {
-                        final Stream finishedStream = saveStream(stream);
                         log.info("Конец стрима");
-                        subscriptionService.broadcastNewStream(finishedStream);
+                        saveStream(stream);
                     }
                 }
             }
         }
     }
 
-    private Stream saveStream(UnfinishedStream unfinishedStream) {
+    private void saveStream(UnfinishedStream unfinishedStream) {
         final List<ru.serega6531.packmate.model.Packet> packets = unfinishedStreams.get(unfinishedStream);
 
         Stream stream = new Stream();
@@ -216,14 +212,17 @@ public class PcapWorker {
                 unfinishedStream.getSecondPort()
         ).get());
 
-        final Stream saved = streamService.save(stream);
+        Stream savedStream = streamService.save(stream);
 
+        List<ru.serega6531.packmate.model.Packet> savedPackets = new ArrayList<>();
         for (ru.serega6531.packmate.model.Packet packet : packets) {
-            packet.setStream(saved);
-            packetService.save(packet);
+            packet.setStream(savedStream);
+            savedPackets.add(packetService.save(packet));
         }
 
-        return saved;
+        savedStream.setPackets(savedPackets);
+        savedStream = streamService.save(savedStream);
+        subscriptionService.broadcastNewStream(savedStream);
     }
 
     private Optional<CtfService> findService(String firstIp, int firstPort, String secondIp, int secondPort) {

src/main/java/ru/serega6531/packmate/WebSocketHandler.java

@@ -5,15 +5,15 @@ import org.springframework.stereotype.Component;
 import org.springframework.web.socket.CloseStatus;
 import org.springframework.web.socket.WebSocketSession;
 import org.springframework.web.socket.handler.TextWebSocketHandler;
-import ru.serega6531.packmate.service.PacketsSubscriptionService;
+import ru.serega6531.packmate.service.StreamSubscriptionService;
 
 @Component
 public class WebSocketHandler extends TextWebSocketHandler {
 
-    private final PacketsSubscriptionService subscriptionService;
+    private final StreamSubscriptionService subscriptionService;
 
     @Autowired
-    public WebSocketHandler(PacketsSubscriptionService subscriptionService) {
+    public WebSocketHandler(StreamSubscriptionService subscriptionService) {
         this.subscriptionService = subscriptionService;
     }
 

src/main/java/ru/serega6531/packmate/model/Stream.java

@@ -7,6 +7,7 @@ import ru.serega6531.packmate.Protocol;
 
 import javax.persistence.*;
 import java.util.List;
+import java.util.Set;
 
 @Data
 @Entity
@@ -39,4 +40,6 @@ public class Stream {
 
     private long endTimestamp;
 
+    private Set<Pattern> foundPatterns;
+
 }

src/main/java/ru/serega6531/packmate/service/PatternService.java

@@ -1,12 +1,15 @@
 package ru.serega6531.packmate.service;
 
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import ru.serega6531.packmate.model.Pattern;
 import ru.serega6531.packmate.repository.PatternRepository;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 @Slf4j
@@ -23,6 +26,14 @@ public class PatternService {
         return repository.findAll();
     }
 
+    public List<Pattern> findMatching(byte[] bytes) {
+        String content = new String(bytes);
+
+        return findAll().stream()
+                .filter(pattern -> StringUtils.containsIgnoreCase(content, pattern.getValue()))
+                .collect(Collectors.toList());
+    }
+
     public void deleteById(int id) {
         repository.deleteById(id);
     }

src/main/java/ru/serega6531/packmate/service/StreamService.java

@@ -3,24 +3,39 @@ package ru.serega6531.packmate.service;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import ru.serega6531.packmate.model.Pattern;
 import ru.serega6531.packmate.model.Stream;
 import ru.serega6531.packmate.repository.StreamRepository;
 
+import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
+import java.util.Set;
 
 @Service
 @Slf4j
 public class StreamService {
 
     private final StreamRepository repository;
+    private final PatternService patternService;
 
     @Autowired
-    public StreamService(StreamRepository repository) {
+    public StreamService(StreamRepository repository, PatternService patternService) {
         this.repository = repository;
+        this.patternService = patternService;
     }
 
     public Stream save(Stream stream) {
+        if(!stream.getPackets().isEmpty()) {
+            Set<Pattern> matches = new HashSet<>();
+
+            stream.getPackets().forEach(packet -> {
+                matches.addAll(patternService.findMatching(packet.getContent()));
+            });
+
+            stream.setFoundPatterns(matches);
+        }
+
         final Stream saved = repository.save(stream);
         log.info("Создан стрим с id {}", saved.getId());
         return saved;

src/main/java/ru/serega6531/packmate/service/StreamSubscriptionService.java

@@ -15,14 +15,14 @@ import java.util.List;
 
 @Service
 @Slf4j
-public class PacketsSubscriptionService {
+public class StreamSubscriptionService {
 
     private List<WebSocketSession> subscribers = new ArrayList<>();
 
     private final ObjectMapper mapper;
 
     @Autowired
-    public PacketsSubscriptionService(ObjectMapper mapper) {
+    public StreamSubscriptionService(ObjectMapper mapper) {
         this.mapper = mapper;
     }