#ifndef _PACKET_IO_H
#define _PACKET_IO_H

#ifdef __cpluscplus
extern "C"
{
#endif

#include "packet.h"
#include "stellar.h"

#define PACKET_IO_LOG_STATE(format, ...) LOG_STATE("packet_io", format, ##__VA_ARGS__)
#define PACKET_IO_LOG_ERROR(format, ...) LOG_ERROR("packet_io", format, ##__VA_ARGS__)
#define PACKET_IO_LOG_DEBUG(format, ...) LOG_DEBUG("packet_io", format, ##__VA_ARGS__)

struct packet_io_stat
{
    uint64_t rx_pkts;
    uint64_t tx_pkts;

    uint64_t rx_bytes;
    uint64_t tx_bytes;

    uint64_t keepalive_pkts;
    uint64_t keepalive_bytes;

    uint64_t drop_pkts;
    uint64_t drop_bytes;

    uint64_t inject_pkts;
    uint64_t inject_bytes;
};

enum packet_io_mode
{
    PACKET_IO_DUMPFILE = 0,
    PACKET_IO_MARSIO = 1,
};

struct packet_io_config
{
    enum packet_io_mode mode;

    // for dumpfile
    char dumpfile_dir[256];

    // for marsio
    char app_symbol[64];
    char dev_symbol[64];

    uint8_t nr_threads;
    uint16_t cpu_mask[MAX_THREAD_NUM];
};

struct packet_io;
struct packet_io *packet_io_create(struct packet_io_config *config);
void packet_io_destroy(struct packet_io *handle);
struct packet_io_stat *packet_io_get_stat(struct packet_io *handle);
void packet_io_print_stat(struct packet_io *handle);

// return 0 if success, -1 if failed
int packet_io_init(struct packet_io *handle, uint16_t thread_id);
int packet_io_recv(struct packet_io *handle, uint16_t thread_id, struct packet **pkt);
void packet_io_send(struct packet_io *handle, uint16_t thread_id, struct packet *pkt);

#ifdef __cpluscplus
}
#endif

#endif