transport.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_TRANSPORT_H
#define RTR_TRANSPORT_H
 
#include <time.h>

#define RTRLIB_TRANSPORT_CONNECT_TIMEOUT_DEFAULT 30

enum tr_rtvals {
    TR_SUCCESS = 0,

    TR_ERROR = -1,

    TR_WOULDBLOCK = -2,

    TR_INTR = -3,

    TR_CLOSED = -4
};
 
struct tr_socket;

typedef void (*tr_close_fp)(void *socket);

typedef int (*tr_open_fp)(void *socket);

typedef void (*tr_free_fp)(struct tr_socket *tr_sock);

typedef int (*tr_recv_fp)(const void *socket, void *pdu, const size_t len, const time_t timeout);

typedef int (*tr_send_fp)(const void *socket, const void *pdu, const size_t len, const time_t timeout);

typedef const char *(*tr_ident_fp)(void *socket);

struct tr_socket {
    void *socket;
    tr_open_fp open_fp;
    tr_close_fp close_fp;
    tr_free_fp free_fp;
    tr_send_fp send_fp;
    tr_recv_fp recv_fp;
    tr_ident_fp ident_fp;
};
 
#endif