C++ (Cpp) efab_tcp_helper_bind_os_sockの例

コード例 #1

ファイル: tcp_connect.c プロジェクト: davenso/openonload

/*! Perform system bind on the OS backing socket.
 * \param ep       Endpoint context
 * \param fd       Callers FD
 * \param ip_addr_be32  Local address to which to bind
 * \param port_be16     [in] requested port [out] assigned port
 * \return         0 - success & [port_be16] updated
 *                 CI_SOCKET_HANDOVER, Pass to OS, OS bound ok, (no error)
 *                 CI_SOCKET_ERROR & errno set
 */
ci_inline int __ci_bind(ci_netif *ni, ci_sock_cmn *s,
                        ci_uint32 ip_addr_be32, ci_uint16* port_be16 )
{
  int rc;
  ci_uint16 user_port; /* Port number specified by user, not by OS.
                        * See bug 4015 for details */
  union ci_sockaddr_u sa_u;

  ci_assert(s->domain == AF_INET || s->domain == AF_INET6);

  ci_assert( port_be16 );

  user_port = *port_be16;
#if CI_CFG_FAKE_IPV6
  ci_assert(s->domain == AF_INET || s->domain == AF_INET6);
  if( s->domain == AF_INET )
    ci_make_sockaddr(&sa_u.sin, s->domain, user_port, ip_addr_be32);
  else
    ci_make_sockaddr6(&sa_u.sin6, s->domain, user_port, ip_addr_be32);
#else
  ci_assert(s->domain == AF_INET);
  ci_make_sockaddr(&sa_u.sin, s->domain, user_port, ip_addr_be32);
#endif

#ifdef __ci_driver__
  rc = efab_tcp_helper_bind_os_sock(netif2tcp_helper_resource(ni),
                                    SC_SP(s),
                                    &sa_u.sa, sizeof(sa_u), port_be16);
#else
  rc = ci_tcp_helper_bind_os_sock(ni, SC_SP(s), &sa_u.sa,
                                  sizeof(sa_u), port_be16);
#endif

  /* bug1781: only do this if the earlier bind succeeded. 
   * check if we can handle this socket */
  if( rc != 0 )
    return rc;
  if( user_port != 0 )
    s->s_flags |= CI_SOCK_FLAG_PORT_BOUND;
  if( ip_addr_be32 != INADDR_ANY )
    s->s_flags |= CI_SOCK_FLAG_ADDR_BOUND;
  s->s_flags &= ~CI_SOCK_FLAG_CONNECT_MUST_BIND;

#ifndef __ci_driver__
  /* We do not call bind() to alien address from in-kernel code */
  if( ip_addr_be32 != INADDR_ANY &&
      !cicp_user_addr_is_local_efab(CICP_HANDLE(ni), &ip_addr_be32) )
    s->s_flags |= CI_SOCK_FLAG_BOUND_ALIEN;
#endif
  
  return rc;
}

コード例 #2

ファイル: tcp_helper_ioctl.c プロジェクト: ido/openonload

static int
efab_tcp_helper_bind_os_sock_rsop(ci_private_t* priv, void *arg)
{
  oo_tcp_bind_os_sock_t *op = arg;
  struct sockaddr_storage k_address_buf;
  int addrlen = op->addrlen;
  ci_uint16 port;
  int rc;

  if (priv->thr == NULL)
    return -EINVAL;
  rc = move_addr_to_kernel(CI_USER_PTR_GET(op->address), addrlen,
                           (struct sockaddr *)&k_address_buf);
  if( rc < 0 )
    return rc;
  rc = efab_tcp_helper_bind_os_sock(priv->thr, op->sock_id,
                                    (struct sockaddr *)&k_address_buf,
                                    addrlen, &port);
  if( rc < 0 )
    return rc;
  op->addrlen = port;
  return 0;
}