pcap_reader.hpp

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#ifndef PCAP_READER_H
#define PCAP_READER_H

#include <cstdint>
#include <pcap/pcap.h>
#include <septentrio_gnss_driver/abstraction/typedefs.hpp>
#include <vector>

namespace pcapReader {

    using buffer_t = std::vector<uint8_t>;

    enum ReadResult
    {
        READ_SUCCESS = 0,
        READ_INSUFFICIENT_DATA = 1,
        READ_TIMEOUT = 2,
        READ_INTERRUPTED = 3,
        READ_ERROR = -1,
        READ_PARSE_FAILED = -2

    };

    class PcapDevice
    {
    public:
        static const size_t BUFFSIZE = 100;

        explicit PcapDevice(ROSaicNodeBase* node, buffer_t& buffer);

        bool connect(const char* device);

        void disconnect();

        bool isConnected() const;

        ReadResult read();

        ~PcapDevice();

    private:
        ROSaicNodeBase* node_;
        buffer_t& m_dataBuff;
        pcap_t* m_device{nullptr};
        bpf_program m_pktFilter{};
        char m_errBuff[BUFFSIZE]{};
        char* m_deviceName;
        buffer_t m_lastPkt;
    };
} // namespace pcapReader

#endif // PCAP_READER_H