55 lines
1.6 KiB
Java
55 lines
1.6 KiB
Java
package ru.serega6531.packmate.service;
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import lombok.Getter;
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import lombok.extern.slf4j.Slf4j;
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import org.pcap4j.core.PcapNativeException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import ru.serega6531.packmate.model.CtfService;
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import ru.serega6531.packmate.model.enums.SubscriptionMessageType;
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import ru.serega6531.packmate.model.pojo.SubscriptionMessage;
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import ru.serega6531.packmate.pcap.PcapWorker;
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import java.util.Collection;
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import java.util.stream.Collectors;
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@Service
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@Slf4j
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public class PcapService {
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@Getter
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private boolean started = false;
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private final SubscriptionService subscriptionService;
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private final PcapWorker worker;
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@Autowired
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public PcapService(SubscriptionService subscriptionService, PcapWorker worker) {
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this.subscriptionService = subscriptionService;
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this.worker = worker;
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}
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public synchronized void start() throws PcapNativeException {
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if(!started) {
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started = true;
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subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.PCAP_STARTED, null));
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worker.start();
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}
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}
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public void updateFilter(Collection<CtfService> services) {
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final String ports = services.stream()
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.map(CtfService::getPort)
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.map(p -> "port " + p)
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.collect(Collectors.joining(" or "));
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final String format = "(tcp or udp) and (%s)";
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String filter = String.format(format, ports);
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log.debug("New filter: " + filter);
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worker.setFilter(filter);
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}
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}
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