File syn_transport.h

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#ifndef SYN_TRANSPORT_H
#define SYN_TRANSPORT_H

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/* ── Transport interface ────────────────────────────────────────────────── */

typedef struct {
    bool (*send)(const uint8_t *data, size_t len, void *ctx);

    bool (*recv)(uint8_t *data, size_t max_len, size_t *out_len, void *ctx);

    void *ctx; 
} SYN_Transport;

/* ── Convenience: send/receive via transport ────────────────────────────── */

static inline bool syn_transport_send(SYN_Transport *t, const uint8_t *data, size_t len)
{
    if (t == NULL || t->send == NULL)
        return false;
    return t->send(data, len, t->ctx);
}

static inline bool syn_transport_recv(SYN_Transport *t, uint8_t *data, size_t max_len,
                                      size_t *out_len)
{
    if (t == NULL || t->recv == NULL)
        return false;
    return t->recv(data, max_len, out_len, t->ctx);
}

#ifdef __cplusplus
}
#endif

#endif /* SYN_TRANSPORT_H */