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serega6531
2020-03-11 22:26:09 +03:00
parent 59665145b3
commit a112d55496
3 changed files with 17 additions and 23 deletions
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23
src/main/java/ru/serega6531/packmate/PcapWorker.java
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@@ -23,7 +23,6 @@ import javax.annotation.PreDestroy;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ExecutorService;
@@ -192,11 +191,10 @@ public class PcapWorker implements PacketListener {
private UnfinishedStream addNewPacket(Inet4Address sourceIp, Inet4Address destIp,
int sourcePort, int destPort, byte ttl, byte[] content, Protocol protocol) {
boolean incoming = destIp.equals(localIp);
var incoming = destIp.equals(localIp);
var stream = new UnfinishedStream(sourceIp, destIp, sourcePort, destPort, protocol);
UnfinishedStream stream = new UnfinishedStream(sourceIp, destIp, sourcePort, destPort, protocol);
ru.serega6531.packmate.model.Packet packet = ru.serega6531.packmate.model.Packet.builder()
var packet = ru.serega6531.packmate.model.Packet.builder()
.tempId(packetIdCounter++)
.ttl(ttl)
.timestamp(System.currentTimeMillis())
@@ -204,8 +202,7 @@ public class PcapWorker implements PacketListener {
.content(content)
.build();
final ListMultimap<UnfinishedStream, ru.serega6531.packmate.model.Packet> streams =
(protocol == Protocol.TCP) ? this.unfinishedTcpStreams : this.unfinishedUdpStreams;
final var streams = (protocol == Protocol.TCP) ? this.unfinishedTcpStreams : this.unfinishedUdpStreams;
if (!streams.containsKey(stream)) {
log.debug("Начат новый стрим");
@@ -247,20 +244,18 @@ public class PcapWorker implements PacketListener {
int streamsClosed = 0;
final long time = System.currentTimeMillis();
final ListMultimap<UnfinishedStream, ru.serega6531.packmate.model.Packet> streams =
(protocol == Protocol.TCP) ? this.unfinishedTcpStreams : this.unfinishedUdpStreams;
final var streams = (protocol == Protocol.TCP) ? this.unfinishedTcpStreams : this.unfinishedUdpStreams;
final Map<UnfinishedStream, List<ru.serega6531.packmate.model.Packet>> oldStreams =
Multimaps.asMap(streams).entrySet().stream()
final var oldStreams = Multimaps.asMap(streams).entrySet().stream()
.filter(entry -> {
final List<ru.serega6531.packmate.model.Packet> packets = entry.getValue();
final var packets = entry.getValue();
return time - packets.get(packets.size() - 1).getTimestamp() > timeoutMillis;
})
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
for (Map.Entry<UnfinishedStream, List<ru.serega6531.packmate.model.Packet>> entry : oldStreams.entrySet()) {
for (var entry : oldStreams.entrySet()) {
final UnfinishedStream stream = entry.getKey();
final List<ru.serega6531.packmate.model.Packet> packets = entry.getValue();
final var packets = entry.getValue();
if (streamService.saveNewStream(stream, packets)) {
streamsClosed++;

3
src/main/java/ru/serega6531/packmate/service/PatternMatcher.java
View File

@@ -33,7 +33,7 @@ public class PatternMatcher {
private void match(Pattern pattern) {
if (pattern.getSearchType() == PatternSearchType.REGEX) {
final java.util.regex.Pattern regex = compilePattern(pattern);
final var regex = compilePattern(pattern);
final Matcher matcher = regex.matcher(content);
int startPos = 0;
@@ -99,7 +99,6 @@ public class PatternMatcher {
return a <= x && x <= b;
}
private java.util.regex.Pattern compilePattern(Pattern pattern) {
return compiledPatterns.computeIfAbsent(pattern.getValue(), java.util.regex.Pattern::compile);
}

4
src/main/java/ru/serega6531/packmate/service/StreamService.java
View File

@@ -56,14 +56,14 @@ public class StreamService {
*/
@Transactional
public boolean saveNewStream(UnfinishedStream unfinishedStream, List<Packet> packets) {
final Optional<CtfService> serviceOptional = servicesService.findService(
final var serviceOptional = servicesService.findService(
unfinishedStream.getFirstIp(),
unfinishedStream.getFirstPort(),
unfinishedStream.getSecondIp(),
unfinishedStream.getSecondPort()
);
if (!serviceOptional.isPresent()) {
if (serviceOptional.isEmpty()) {
log.warn("Не удалось сохранить стрим: сервиса на порту {} или {} не существует",
unfinishedStream.getFirstPort(), unfinishedStream.getSecondPort());
return false;