#ifndef ETHERLIB_CONNECTION_BLOCK_H
#define ETHERLIB_CONNECTION_BLOCK_H

#include "packet_sieve.h"

struct ConnBlock_;

typedef int (*ConnBlockTransmitFn)(struct EthInterface_ * intf, const uint8_t * data, uint32_t size, const struct ConnBlock_ * connBlock);

/**
 * Connection block.
 */
typedef struct ConnBlock_ {
    PcktSieve * sieve; ///< Ethernet interface
    PcktSieveLayer * sieveLayer; ///< Sieve layer
} ConnBlock;

typedef struct ConstConnBlock_ {
    const PcktSieve * sieve; ///< Ethernet interface
    const PcktSieveLayer * sieveLayer; ///< Sieve layer
} ConstConnBlock;

/**
 * Initialize non-mandatory fields to default values.
 * @param connb
 */
void connb_init_defaults(ConnBlock * connb);

/**
 * Remove connection block.
 * @param connb pointer to existing connection block
 */
void connb_remove(ConnBlock * connb);

#endif //ETHERLIB_CONNECTION_BLOCK_H