C++ (Cpp) ci_tcp_helper_sock_attach Examples

Example #1

File: udp.c Project: majek/openonload

ci_fd_t ci_udp_ep_ctor(citp_socket* ep, ci_netif* netif, int domain, int type)
{
  ci_udp_state* us;
  ci_fd_t fd;

  VERB( log(LPFIN "ctor( )" ) );

  ci_assert(ep);
  ci_assert(netif);

  ci_netif_lock(netif);
  us = ci_udp_get_state_buf(netif);
  if (!us) {
    ci_netif_unlock(netif);
    LOG_E(ci_log("%s: [%d] out of socket buffers", __FUNCTION__,NI_ID(netif)));
    return -ENOMEM;
  }

  /* It's required to set protocol before ci_tcp_helper_sock_attach()
   * since it's used to determine if TCP or UDP file operations should be
   * attached to the file descriptor in kernel. */
   sock_protocol(&us->s) = IPPROTO_UDP;

  /* NB: this attach will close the os_sock_fd */
  fd = ci_tcp_helper_sock_attach(ci_netif_get_driver_handle(netif),  
                                 SC_SP(&us->s), domain, type);
  if( fd < 0 ) {
    if( fd == -EAFNOSUPPORT )
      LOG_U(ci_log("%s: ci_tcp_helper_sock_attach (domain=%d, type=%d) "
                   "failed %d", __FUNCTION__, domain, type, fd));
    else
      LOG_E(ci_log("%s: ci_tcp_helper_sock_attach (domain=%d, type=%d) "
                   "failed %d", __FUNCTION__, domain, type, fd));
    ci_netif_unlock(netif);
    return fd;
  }

  ci_assert(~us->s.b.sb_aflags & CI_SB_AFLAG_ORPHAN);

  us->s.rx_errno = 0;
  us->s.tx_errno = 0;
  us->s.so_error = 0;
  us->s.cp.sock_cp_flags |= OO_SCP_UDP_WILD;

  ep->s = &us->s;
  ep->netif = netif;
  CHECK_UEP(ep);
  ci_netif_unlock(netif);
  return fd;
}

Example #2

File: tcp_init.c Project: davenso/openonload

ci_fd_t ci_tcp_ep_ctor(citp_socket* ep, ci_netif* netif, int domain, int type)
{
  ci_tcp_state* ts;
  ci_fd_t fd;

  ci_assert(ep);
  ci_assert(netif);

  ci_netif_lock(netif);
  ts = ci_tcp_get_state_buf(netif);
  if( ts == NULL ) {
    ci_netif_unlock(netif);
    LOG_E(ci_log("%s: [%d] out of socket buffers", __FUNCTION__,NI_ID(netif)));
    return -ENOMEM;
  }

  fd = ci_tcp_helper_sock_attach(ci_netif_get_driver_handle(netif), S_SP(ts),
                                 domain, type);
  if( fd < 0 ) {
    if( fd == -EAFNOSUPPORT )
      LOG_U(ci_log("%s: ci_tcp_helper_sock_attach" \
                   "(domain=%d, type=%d) failed %d",
                   __FUNCTION__, domain, type, fd));
    else
      LOG_E(ci_log("%s: ci_tcp_helper_sock_attach" \
                   "(domain=%d, type=%d) failed %d",
                   __FUNCTION__, domain, type, fd));
  }
  else {
    ci_assert(~ts->s.b.sb_aflags & CI_SB_AFLAG_ORPHAN);
    /* Apply default sockbuf sizes now we've updated them from the kernel
    ** defaults. */
    ts->s.so.sndbuf = NI_OPTS(netif).tcp_sndbuf_def;
    ts->s.so.rcvbuf = NI_OPTS(netif).tcp_rcvbuf_def;
    ep->netif = netif;
    ep->s = &ts->s;
    CHECK_TEP(ep);
  }

  ci_netif_unlock(netif);
  return fd;
}