Example #1
0
int
lwip_bind(int s, struct sockaddr *name, socklen_t namelen)
{
  struct lwip_socket *sock;
  struct ip_addr local_addr;
  u16_t local_port;
  err_t err;

  sock = get_socket(s);
  if (!sock) {
    set_errno(EBADF);
    return -1;
  }

  local_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr;
  local_port = ((struct sockaddr_in *)name)->sin_port;

  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d, addr=", s));
  ip_addr_debug_print(SOCKETS_DEBUG, &local_addr);
  LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%u)\n", ntohs(local_port)));

  err = netconn_bind(sock->conn, &local_addr, ntohs(local_port));

  if (err != ERR_OK) {
    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) failed, err=%d\n", s, err));
    sock_set_errno(sock, err_to_errno(err));
    return -1;
  }

  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) succeeded\n", s));
  sock_set_errno(sock, 0);
  return 0;
}
Example #2
0
int
lwip_send(int s, void *data, int size, unsigned int flags)
{
  struct lwip_socket *sock;
  struct netbuf *buf;
  err_t err;

  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d, data=%p, size=%d, flags=0x%x)\n", s, data, size, flags));

  sock = get_socket(s);
  if (!sock) {
    set_errno(EBADF);
    return -1;
  }

  switch (netconn_type(sock->conn)) {
  case NETCONN_RAW:
  case NETCONN_UDP:
  case NETCONN_UDPLITE:
  case NETCONN_UDPNOCHKSUM:
    /* create a buffer */
    buf = netbuf_new();

    if (!buf) {
      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) ENOBUFS\n", s));
      sock_set_errno(sock, ENOBUFS);
      return -1;
    }

    /* make the buffer point to the data that should
       be sent */
    netbuf_ref(buf, data, size);

    /* send the data */
    err = netconn_send(sock->conn, buf);

    /* deallocated the buffer */
    netbuf_delete(buf);
    break;
  case NETCONN_TCP:
    err = netconn_write(sock->conn, data, size, NETCONN_COPY);
    break;
  default:
    err = ERR_ARG;
    break;
  }
  if (err != ERR_OK) {
    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) err=%d\n", s, err));
    sock_set_errno(sock, err_to_errno(err));
    return -1;
  }

  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) ok size=%d\n", s, size));
  sock_set_errno(sock, 0);
  return size;
}
Example #3
0
/*-----------------------------------------------------------------------------------*/
int
lwip_connect(int s, struct sockaddr *name, socklen_t namelen)
{
  struct lwip_socket *sock;
  err_t err;

  sock = get_socket(s);
  if (!sock) {
    return -1;
  }
  
  if (((struct sockaddr_in *)name)->sin_family == AF_UNSPEC) {
  	DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, AF_UNSPEC)\n", s));
	err = netconn_disconnect(sock->conn);
  } else {
  	struct ip_addr remote_addr;
  	u16_t remote_port;

  	remote_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr;
  	remote_port = ((struct sockaddr_in *)name)->sin_port;

#if SOCKETS_DEBUG
  	DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, addr=", s));
  	ip_addr_debug_print(&remote_addr);
  	DEBUGF(SOCKETS_DEBUG, (" port=%u)\n", ntohs(remote_port)));
#endif
        
  	err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port));
   }

  if (err != ERR_OK) {
  	DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) failed, err=%d\n", s, err));
	sock_set_errno(sock, err_to_errno(err));
    return -1;
  }

  DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) succeeded\n", s));
  sock_set_errno(sock, 0);
  return 0;
}
Example #4
0
/*-----------------------------------------------------------------------------------*/
int
lwip_listen(int s, int backlog)
{
  struct lwip_socket *sock;    
  err_t err;
  
  DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d, backlog=%d)\n", s, backlog));
  sock = get_socket(s);
  if (!sock) {
    return -1;
  }
 
  err = netconn_listen(sock->conn);

  if (err != ERR_OK) {
  	DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d) failed, err=%d\n", s, err));
	sock_set_errno(sock, err_to_errno(err));
    return -1;
  }

  sock_set_errno(sock, 0);
  return 0;
}