Examples with Packet org.pcap4j.packet.Packet used on opensource projects

Example 1 with Packet

use of org.pcap4j.packet.Packet in project trex-stateless-gui by cisco-system-traffic-generator.

the class ImportedPacketTableView method setPcapFile.

/**
     * Parse pcap file to get all streams
     *
     * @param pcapFile
     * @return
     */
public boolean setPcapFile(File pcapFile) {
    List<PacketInfo> packetInfoList = new ArrayList<>();
    try {
        PacketUpdater.getInstance().reset();
        PcapHandle handler = Pcaps.openOffline(pcapFile.getAbsolutePath());
        PacketParser parser = new PacketParser();
        Packet packet;
        while ((packet = handler.getNextPacketEx()) != null) {
            if (!PacketUpdater.getInstance().validatePacket(packet)) {
                break;
            }
            PacketInfo packetInfo = new PacketInfo();
            packet = PacketUpdater.getInstance().updatePacketSrcDst(packet);
            packetInfo.setPacket(packet);
            packetInfo.setTimeStamp(handler.getTimestamp().getTime());
            parser.parsePacket(packet, packetInfo);
            packetInfoList.add(packetInfo);
        }
    } catch (EOFException e) {
        LOG.info("End of pcap file");
    } catch (PcapNativeException | TimeoutException | NotOpenException ex) {
        LOG.error("Error parsing selectd pcap file", ex);
    }
    setTableData(packetInfoList);
    return PacketUpdater.getInstance().isValidPacket();
}

Example 2 with Packet

use of org.pcap4j.packet.Packet in project trex-stateless-gui by cisco-system-traffic-generator.

the class PacketUpdater method updateDstAddress.

/**
     * Update destination IP address
     */
private Packet updateDstAddress(Packet packet) {
    try {
        if (importedProperties.isDestinationEnabled()) {
            Inet4Address modifiedAddress = (Inet4Address) Inet4Address.getByAddress(convertIPToByte(importedProperties.getDstAddress()));
            Packet.Builder builder = packet.getBuilder();
            if (packet.get(IpV4Packet.class).getHeader().getDstAddr().getHostAddress().equals(defaultDstAddress)) {
                builder.get(IpV4Packet.Builder.class).dstAddr(modifiedAddress);
            } else {
                builder.get(IpV4Packet.Builder.class).srcAddr(modifiedAddress);
            }
            packet = builder.build();
        }
    } catch (Exception ex) {
        LOG.error("Error updating destination IP", ex);
    }
    return packet;
}

Example 3 with Packet

use of org.pcap4j.packet.Packet in project trex-stateless-gui by cisco-system-traffic-generator.

the class PacketUpdater method updateSrcAddress.

/**
     * Update source IP address
     */
private Packet updateSrcAddress(Packet packet) {
    try {
        if (importedProperties.isSourceEnabled()) {
            Inet4Address modifiedAddress = (Inet4Address) Inet4Address.getByAddress(convertIPToByte(importedProperties.getSrcAddress()));
            Packet.Builder builder = packet.getBuilder();
            if (packet.get(IpV4Packet.class).getHeader().getSrcAddr().getHostAddress().equals(defaultSrcAddress)) {
                builder.get(IpV4Packet.Builder.class).srcAddr(modifiedAddress);
            } else {
                builder.get(IpV4Packet.Builder.class).dstAddr(modifiedAddress);
            }
            packet = builder.build();
        }
    } catch (Exception ex) {
        LOG.error("Error updating source IP", ex);
    }
    return packet;
}

Example 4 with Packet

use of org.pcap4j.packet.Packet in project trex-stateless-gui by cisco-system-traffic-generator.

the class PacketTableView method handleExportPcapFile.

/**
     * Export stream to pcap file
     */
public void handleExportPcapFile() {
    try {
        Profile p = tabledata.getProfiles().get(streamPacketTableView.getSelectionModel().getSelectedIndex());
        String packetBinary = p.getStream().getPacket().getBinary();
        byte[] pkt = Base64.decodeBase64(packetBinary);
        Packet packet = EthernetPacket.newPacket(pkt, 0, pkt.length);
        File pcapFile = File.createTempFile("temp-file-name", ".pcap");
        PcapHandle handle = Pcaps.openDead(DataLinkType.EN10MB, 65536);
        PcapDumper dumper = handle.dumpOpen(pcapFile.getAbsolutePath());
        Timestamp ts = new Timestamp(0);
        dumper.dump(packet, ts);
        dumper.close();
        handle.close();
        String fileName = p.getName() + ".pcap";
        Window owner = streamPacketTableView.getScene().getWindow();
        FileManager.exportFile("Save Pcap File", fileName, pcapFile, owner, FileType.PCAP);
    } catch (IllegalRawDataException | IOException | PcapNativeException | NotOpenException ex) {
        LOG.error("Error during generate JSON file", ex);
    }
}

Example 5 with Packet

use of org.pcap4j.packet.Packet in project trex-stateless-gui by cisco-system-traffic-generator.

the class PacketUtil method getpcapPacketList.

/**
     * Read pcap file to get all includes packet
     *
     * @param pcapFile
     * @return
     * @throws PcapNativeException
     * @throws NotOpenException
     */
private List<String> getpcapPacketList(String pcapFile) throws PcapNativeException, NotOpenException {
    PcapHandle handler = Pcaps.openOffline(pcapFile);
    Packet packet = null;
    List<String> packetList = new ArrayList<>();
    while ((packet = handler.getNextPacket()) != null) {
        packetList.add(Hex.encodeHexString(packet.getRawData()));
    }
    return packetList;
}