Добавлена опция игнорирования пустых пакетов

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

@@ -130,14 +130,14 @@ public class PcapWorker {
             ack = header.getAck();
             fin = header.getFin();
             rst = header.getRst();
-            content = packet.getRawData();
+            content = packet.getPayload() != null ? packet.getPayload().getRawData() : new byte[0];
             protocol = Protocol.TCP;
         } else if (rawPacket.contains(UdpPacket.class)) {
             final UdpPacket packet = rawPacket.get(UdpPacket.class);
             final UdpPacket.UdpHeader header = packet.getHeader();
             sourcePort = header.getSrcPort().valueAsInt();
             destPort = header.getDstPort().valueAsInt();
-            content = packet.getRawData();
+            content = packet.getPayload() != null ? packet.getPayload().getRawData() : new byte[0];
             protocol = Protocol.UDP;
         }
 
@@ -157,9 +157,11 @@ public class PcapWorker {
                         .content(content)
                         .build();
 
+
                 if (unfinishedStreams.containsKey(stream)) {
                     unfinishedStreams.get(stream).add(packet);
                 } else {
+                    log.info("Начат новый стрим");
                     List<ru.serega6531.packmate.model.Packet> packets = new ArrayList<>();
                     packets.add(packet);
                     unfinishedStreams.put(stream, packets);

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

@@ -23,6 +23,7 @@ public class StreamService {
     private final StreamSubscriptionService subscriptionService;
 
     private final String localIp;
+    private final boolean ignoreEmptyPackets;
 
     @Autowired
     public StreamService(StreamRepository repository,
@@ -30,13 +31,15 @@ public class StreamService {
                          ServicesService servicesService,
                          PacketService packetService,
                          StreamSubscriptionService subscriptionService,
-                         @Value("${local-ip}") String localIp) {
+                         @Value("${local-ip}") String localIp,
+                         @Value("${ignore-empty-packets}") boolean ignoreEmptyPackets) {
         this.repository = repository;
         this.patternService = patternService;
         this.servicesService = servicesService;
         this.packetService = packetService;
         this.subscriptionService = subscriptionService;
         this.localIp = localIp;
+        this.ignoreEmptyPackets = ignoreEmptyPackets;
     }
 
     @Transactional
@@ -61,6 +64,15 @@ public class StreamService {
         stream.setEndTimestamp(packets.get(packets.size() - 1).getTimestamp());
         stream.setService(serviceOptional.get());
 
+        if(ignoreEmptyPackets) {
+            packets.removeIf(packet -> packet.getContent().length == 0);
+
+            if(packets.isEmpty()) {
+                log.info("Стрим состоит только из пустых пакетов и не будет сохранен");
+                return;
+            }
+        }
+
         Stream savedStream = save(stream);
 
         List<ru.serega6531.packmate.model.Packet> savedPackets = new ArrayList<>();

src/main/resources/application.yml

@@ -12,10 +12,11 @@ spring:
         temp:
           use_jdbc_metadata_defaults: false
 
-enable-capture: false
+enable-capture: true
 interface-name: enp0s31f6
 local-ip: "192.168.0.125"
 account-login: BinaryBears
 account-password: 123456
 udp-stream-timeout: 20 # секунд
-udp-stream-check-interval: 10
+udp-stream-check-interval: 10
+ignore-empty-packets: true