Program Listing for File network.h

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#ifndef LIBCAER_NETWORK_H_
#define LIBCAER_NETWORK_H_

#include "libcaer.h"

#ifdef __cplusplus
extern "C" {
#endif

#define AEDAT3_NETWORK_HEADER_LENGTH 20
#define AEDAT3_NETWORK_MAGIC_NUMBER  0x1D378BC90B9A6658
#define AEDAT3_NETWORK_VERSION       0x01
#define AEDAT3_FILE_VERSION          "3.1"

// Standard MTU 1500 - 20 IP header - 8 UDP header => 1472 bytes
#define AEDAT3_MAX_UDP_SIZE (1472 - AEDAT3_NETWORK_HEADER_LENGTH)

PACKED_STRUCT(struct aedat3_network_header {
    int64_t magicNumber;
    int64_t sequenceNumber;
    int8_t versionNumber;
    int8_t formatNumber;
    int16_t sourceID;
});

static inline struct aedat3_network_header caerParseNetworkHeader(const uint8_t *dataBuffer) {
    // Network header is 20 bytes long. Use struct to interpret.
    struct aedat3_network_header networkHeader;

    // Copy data into packet struct.
    memcpy(&networkHeader, dataBuffer, AEDAT3_NETWORK_HEADER_LENGTH);

    // Ensure endianness conversion is done if needed.
    networkHeader.magicNumber    = le64toh(networkHeader.magicNumber);
    networkHeader.sequenceNumber = le64toh(networkHeader.sequenceNumber);
    networkHeader.sourceID       = le16toh(networkHeader.sourceID);

    return (networkHeader);
}

#ifdef __cplusplus
}
#endif

#endif /* LIBCAER_NETWORK_H_ */