1

#ifndef SOCK_INTERNAL_H

     2

#define SOCK_INTERNAL_H

     3

     4

#include "sock.h"

     5

     6

/*

     7

 * Global config related to all sock_streams

     8

 */

     9

extern struct sock_stream_ctx {

    10

    /* Event core */

    11

    struct event_base *ev_base;

    12

    13

} _sock_stream_ctx;

    14

    15

/*

    16

 * The base type struct, which defines the method table.

    17

 */

    18

struct sock_stream_type {

    19

    /* method table */

    20

    struct sock_stream_methods {

    21

        /* Normal read(2) */

    23

    24

        /* Normal write(2) */

    32

    33

    } methods;

    34

};

    35

    36

/*

    37

 * The base sock_stream type, as used by the sock_stream_* functions.

    38

 *

    39

 * The specific implementations should embed this at the start of their type-specific struct, and then cast around

    40

 * as appropriate.

    41

 */

    42

struct sock_stream {

    43

    /* The sock_stream_type for this socket */

    44

    struct sock_stream_type *type;

    45

    46

    /* Last error info */

    47

    struct error_info err;

    48

    49

    /* Callbacks */

    50

    const struct sock_stream_callbacks *cb_info;

    51

    52

    /* Callback arg */

    53

    void *cb_arg;

    54

};

    55

    56

#define SOCK_FROM_BASE(sock, type) ((type*) sock)

    57

#define SOCK_ERR(sock) (&(sock)->err)

    58

    59

/*

    60

 * Initialize a sock_stream with the given sock_stream_type.

    61

 *

    62

 * The sock_stream should be initialized to zero. It is a bug to call this twice.

    63

 */

    64

void sock_stream_init (struct sock_stream *sock, struct sock_stream_type *type);

    65

    66

#endif /* SOCK_INTERNAL_H */