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#ifndef TRANSPORT_H
#define TRANSPORT_H
#include <stddef.h>
#ifdef __cplusplus
extern "C"
{
#endif
enum {TRANSPORT_MAX_DATA_LEN = 32};
struct transport_event
{
struct transport_event_common
{
enum transport_event_type
{
TRANSPORT_EVENT_TYPE_CONNECT,
TRANSPORT_EVENT_TYPE_DISCONNECT,
TRANSPORT_EVENT_TYPE_DATA
} type;
} common;
union
{
struct transport_event_data
{
const void *buf;
size_t n;
} data;
} u;
};
union transport_packet;
struct transport_handle
{
struct transport_cfg
{
void *arg;
int (*write)(const void *, size_t, void *);
int (*read)(void *, size_t, void *);
void (*received)(const struct transport_event *, void *);
} cfg;
union transport_packet **packets;
size_t n_packets;
struct transport_input
{
union transport_packet *p;
struct transport_event ev;
} input;
};
int transport_connect(struct transport_handle *h);
int transport_disconnect(struct transport_handle *h);
int transport_send(struct transport_handle *h, const void *buf, size_t n);
int transport_update(struct transport_handle *h);
#ifdef __cplusplus
}
#endif
#endif /* TRANSPORT_H */
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