Examples with PcapNativeException org.pcap4j.core.PcapNativeException used on opensource projects

Example 1 with PcapNativeException

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

the class TrafficProfile method encodePcapFile.

/**
 * @param binaryFile
 * @return Encodes the bytes array of a PCAP File using Base64
 */
public String encodePcapFile(String binaryFile) {
    try {
        PcapHandle handle = Pcaps.openOffline(binaryFile);
        Packet packet = handle.getNextPacketEx();
        handle.close();
        byte[] pkt = packet.getRawData();
        byte[] bytesEncoded = Base64.encodeBase64(pkt);
        return new String(bytesEncoded);
    } catch (IOException | PcapNativeException | TimeoutException | NotOpenException ex) {
        LOG.error("Error encoding pcap file", ex);
        return binaryFile;
    }
}

Example 2 with PcapNativeException

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

the class ImportPcapWizardController method handleSelectPcapBtnClicked.

/**
 * Handle select pcap button click event
 * @param event
 */
@FXML
public void handleSelectPcapBtnClicked(ActionEvent event) {
    if (importedPacketPropertiesView.isValidInputValues()) {
        String loadFolderPath = PreferencesManager.getInstance().getLoadLocation();
        Stage owner = (Stage) wizardViewContainer.getScene().getWindow();
        File pcapFile = FileManager.getSelectedFile("Open Pcap File", "", owner, FileType.PCAP, loadFolderPath, false);
        if (pcapFile != null) {
            try {
                if (importedPacketTableView.setPcapFile(pcapFile)) {
                    wizardViewContainer.getChildren().clear();
                    wizardViewContainer.getChildren().add(importedPacketTableView);
                    updateBtnState(false);
                } else {
                    TrexAlertBuilder.build().setType(Alert.AlertType.ERROR).setContent("Invalid Pcap, it should be one flow with IPV4 packets").getAlert().showAndWait();
                }
            } catch (PcapNativeException | TimeoutException | NotOpenException ex) {
                TrexAlertBuilder.build().setType(Alert.AlertType.ERROR).setTitle("Import error").setHeader("An error has occurred while attempting to import.").setContent(ex.getLocalizedMessage()).getAlert().showAndWait();
            }
        }
    }
}

Example 3 with PcapNativeException

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

the class PacketParser method parseFile.

/**
 * @param fileName
 * @param packetInfo
 */
public void parseFile(String fileName, PacketInfo packetInfo) {
    Packet packet;
    try {
        this.packetInfo = packetInfo;
        total_octetes = 0;
        PcapHandle handle = Pcaps.openOffline(fileName);
        packet = handle.getNextPacketEx();
        packetInfo.setPacket(packet);
        extractPacketInfo(packet);
        handle.close();
    } catch (PcapNativeException | EOFException | TimeoutException | NotOpenException ex) {
        packet = null;
        LOG.warn("Failed to extract packet info from first try");
    }
    if (packet == null) {
        try {
            LOG.info("Attempting alternate method to read Pcap file");
            byte[] pkt = FileUtils.readFileToByteArray(new File(fileName));
            packet = EthernetPacket.newPacket(pkt, 0, pkt.length);
            extractPacketInfo(packet);
        } catch (IOException | IllegalRawDataException ex) {
            LOG.error("Failed to read Pcap file", ex);
        }
    }
}