rtr.h

/*
 * This file is part of RTRlib.
 *
 * This file is subject to the terms and conditions of the MIT license.
 * See the file LICENSE in the top level directory for more details.
 *
 * Website: http://rtrlib.realmv6.org/
*/


#ifndef RTR_H
#define RTR_H
#include <time.h>
#include <stdbool.h>
#include <stdint.h>
#include <pthread.h>
#include "rtrlib/pfx/pfx.h"
#include "rtrlib/transport/transport.h"

#define RTR_DBG(fmt, ...) lrtr_dbg("RTR Socket: " fmt, ## __VA_ARGS__)
#define RTR_DBG1(a) lrtr_dbg("RTR Socket: " a)

static const uint8_t RTR_PROTOCOL_VERSION_0 = 0;
static const uint8_t RTR_PROTOCOL_VERSION_1 = 1;

static const uint8_t RTR_PROTOCOL_MIN_SUPPORTED_VERSION = 0;
static const uint8_t RTR_PROTOCOL_MAX_SUPPORTED_VERSION = 1;

enum rtr_rtvals {
    RTR_SUCCESS = 0,
    RTR_ERROR = -1,
    RTR_INVALID_PARAM = -2
};

enum rtr_socket_state {
    RTR_CONNECTING,

    RTR_ESTABLISHED,

    RTR_RESET,

    RTR_SYNC,

    RTR_FAST_RECONNECT,

    RTR_ERROR_NO_DATA_AVAIL,

    RTR_ERROR_NO_INCR_UPDATE_AVAIL,

    RTR_ERROR_FATAL,

    RTR_ERROR_TRANSPORT,

    RTR_SHUTDOWN,
};

struct rtr_socket;

typedef void (*rtr_connection_state_fp)(const struct rtr_socket *rtr_socket, const enum rtr_socket_state state, void *connection_state_fp_param);

struct rtr_socket {
    struct tr_socket *tr_socket;
    unsigned int refresh_interval;
    time_t last_update;
    unsigned int expire_interval;
    unsigned int retry_interval;
    enum rtr_socket_state state;
    uint32_t session_id;
    bool request_session_id;
    uint32_t serial_number;
    struct pfx_table *pfx_table;
    pthread_t thread_id;
    rtr_connection_state_fp connection_state_fp;
    void *connection_state_fp_param;
    unsigned int version;
    bool has_received_pdus;
    struct spki_table *spki_table;
};

int rtr_init(struct rtr_socket *rtr_socket, struct tr_socket *tr_socket, struct pfx_table *pfx_table,
             struct spki_table *spki_table, const unsigned int refresh_interval,
             const unsigned int expire_interval, const unsigned int retry_interval,
             rtr_connection_state_fp fp, void *fp_data);

int rtr_start(struct rtr_socket *rtr_socket);

void rtr_stop(struct rtr_socket *rtr_socket);

const char *rtr_state_to_str(enum rtr_socket_state state);

#endif
/* @} */