net.h

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#ifndef MBEDTLS_NET_H
#define MBEDTLS_NET_H

#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#include "ssl.h"

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

#define MBEDTLS_ERR_NET_SOCKET_FAILED                     -0x0042  
#define MBEDTLS_ERR_NET_CONNECT_FAILED                    -0x0044  
#define MBEDTLS_ERR_NET_BIND_FAILED                       -0x0046  
#define MBEDTLS_ERR_NET_LISTEN_FAILED                     -0x0048  
#define MBEDTLS_ERR_NET_ACCEPT_FAILED                     -0x004A  
#define MBEDTLS_ERR_NET_RECV_FAILED                       -0x004C  
#define MBEDTLS_ERR_NET_SEND_FAILED                       -0x004E  
#define MBEDTLS_ERR_NET_CONN_RESET                        -0x0050  
#define MBEDTLS_ERR_NET_UNKNOWN_HOST                      -0x0052  
#define MBEDTLS_ERR_NET_BUFFER_TOO_SMALL                  -0x0043  
#define MBEDTLS_ERR_NET_INVALID_CONTEXT                   -0x0045  
#define MBEDTLS_NET_LISTEN_BACKLOG         10 
#define MBEDTLS_NET_PROTO_TCP 0 
#define MBEDTLS_NET_PROTO_UDP 1 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    int fd;             
}
mbedtls_net_context;

void mbedtls_net_init( mbedtls_net_context *ctx );

int mbedtls_net_connect( mbedtls_net_context *ctx, const char *host, const char *port, int proto );

int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char *port, int proto );

int mbedtls_net_accept( mbedtls_net_context *bind_ctx,
                        mbedtls_net_context *client_ctx,
                        void *client_ip, size_t buf_size, size_t *ip_len );

int mbedtls_net_set_block( mbedtls_net_context *ctx );

int mbedtls_net_set_nonblock( mbedtls_net_context *ctx );

void mbedtls_net_usleep( unsigned long usec );

int mbedtls_net_recv( void *ctx, unsigned char *buf, size_t len );

int mbedtls_net_send( void *ctx, const unsigned char *buf, size_t len );

int mbedtls_net_recv_timeout( void *ctx, unsigned char *buf, size_t len,
                      uint32_t timeout );

void mbedtls_net_free( mbedtls_net_context *ctx );

#ifdef __cplusplus
}
#endif

#endif /* net.h */