Files
microtcp/include/microtcp.h
T
2023-03-20 09:43:11 +01:00

57 lines
2.0 KiB
C

#include <stddef.h>
#include <stdint.h>
#include <assert.h>
#include <stdbool.h>
typedef struct microtcp_t microtcp_t;
typedef struct microtcp_socket_t microtcp_socket_t;
#define MICROTCP_MAX_BUFFERS 8
#define MICROTCP_MAX_SOCKETS 32
typedef struct {
uint8_t data[6];
} microtcp_mac_t;
typedef uint32_t microtcp_ip_t;
typedef enum {
MICROTCP_ERRCODE_NONE = 0,
// Returned by microtcp_open and microtcp_accept
MICROTCP_ERRCODE_SOCKETLIMIT,
// Returned by microtcp_open
MICROTCP_ERRCODE_TCPERROR,
MICROTCP_ERRCODE_BADCONDVAR,
// Returned by microtcp_accept
MICROTCP_ERRCODE_NOTLISTENER,
MICROTCP_ERRCODE_CANTBLOCK,
MICROTCP_ERRCODE_NOTHINGTOACCEPT,
// Returned by microtcp_recv and microtcp_send
MICROTCP_ERRCODE_NOTCONNECTION,
} microtcp_errcode_t;
typedef struct {
void *data;
void (*free)(void *data);
int (*send)(void *data, const void *src, size_t len);
int (*recv)(void *data, void *dst, size_t len);
} microtcp_callbacks_t;
microtcp_t *microtcp_create();
microtcp_t *microtcp_create_using_callbacks(microtcp_ip_t ip, microtcp_mac_t mac, microtcp_callbacks_t callbacks);
void microtcp_destroy(microtcp_t *mtcp);
const char *microtcp_strerror(microtcp_errcode_t errcode);
microtcp_socket_t *microtcp_open(microtcp_t *mtcp, uint16_t port, microtcp_errcode_t *errcode);
microtcp_socket_t *microtcp_accept(microtcp_socket_t *socket, bool no_block, microtcp_errcode_t *errcode);
void microtcp_close(microtcp_socket_t *socket);
size_t microtcp_send(microtcp_socket_t *socket, const void *src, size_t len, microtcp_errcode_t *errcode);
size_t microtcp_recv(microtcp_socket_t *socket, void *dst, size_t len, microtcp_errcode_t *errcode);
void microtcp_step(microtcp_t *mtcp);
void microtcp_process_packet(microtcp_t *mtcp, const void *packet, size_t len);