Exemplo n.º 1
0
bt_status_t btsock_rfc_listen(const char *service_name, const uint8_t *service_uuid, int channel, int *sock_fd, int flags) {
  assert(sock_fd != NULL);
  assert((service_uuid != NULL)
    || (channel >= 1 && channel <= MAX_RFC_CHANNEL)
	|| ((flags & BTSOCK_FLAG_NO_SDP) != 0));

  *sock_fd = INVALID_FD;

  // TODO(sharvil): not sure that this check makes sense; seems like a logic error to call
  // functions on RFCOMM sockets before initializing the module. Probably should be an assert.
  if (!is_init_done())
    return BT_STATUS_NOT_READY;

  if((flags & BTSOCK_FLAG_NO_SDP) == 0) {
    if(is_uuid_empty(service_uuid)) {
      APPL_TRACE_DEBUG("BTA_JvGetChannelId: service_uuid not set AND "
              "BTSOCK_FLAG_NO_SDP is not set - changing to SPP");
      service_uuid = UUID_SPP;  // Use serial port profile to listen to specified channel
    } else {
      //Check the service_uuid. overwrite the channel # if reserved
      int reserved_channel = get_reserved_rfc_channel(service_uuid);
      if (reserved_channel > 0) {
            channel = reserved_channel;
      }
    }
  }

  int status = BT_STATUS_FAIL;
  pthread_mutex_lock(&slot_lock);

  rfc_slot_t *slot = alloc_rfc_slot(NULL, service_name, service_uuid, channel, flags, true);
  if (!slot) {
    LOG_ERROR(LOG_TAG, "%s unable to allocate RFCOMM slot.", __func__);
    goto out;
  }
  APPL_TRACE_DEBUG("BTA_JvGetChannelId: service_name: %s - channel: %d", service_name, channel);
  BTA_JvGetChannelId(BTA_JV_CONN_TYPE_RFCOMM, UINT_TO_PTR(slot->id), channel);
  *sock_fd = slot->app_fd;    // Transfer ownership of fd to caller.
  /*TODO:
   * We are leaking one of the app_fd's - either the listen socket, or the connection socket.
   * WE need to close this in native, as the FD might belong to another process
    - This is the server socket FD
    - For accepted connections, we close the FD after passing it to JAVA.
    - Try to simply remove the = -1 to free the FD at rs cleanup.*/
//        close(rs->app_fd);
  slot->app_fd = INVALID_FD;  // Drop our reference to the fd.
  btsock_thread_add_fd(pth, slot->fd, BTSOCK_RFCOMM, SOCK_THREAD_FD_EXCEPTION, slot->id);

  status = BT_STATUS_SUCCESS;

out:;
  pthread_mutex_unlock(&slot_lock);
  return status;
}
bt_status_t btsock_rfc_listen(const char* service_name, const uint8_t* service_uuid, int channel,
                            int* sock_fd, int flags)
{

    APPL_TRACE_DEBUG1("btsock_rfc_listen, service_name:%s", service_name);
    if(sock_fd == NULL || (service_uuid == NULL && (channel < 1 || channel > 30)))
    {
        APPL_TRACE_ERROR3("invalid rfc channel:%d or sock_fd:%p, uuid:%p", channel, sock_fd, service_uuid);
        return BT_STATUS_PARM_INVALID;
    }
    *sock_fd = -1;
    if(!is_init_done())
        return BT_STATUS_NOT_READY;
    if(is_uuid_empty(service_uuid))
        service_uuid = UUID_SPP; //use serial port profile to listen to specified channel
    else
    {
        //Check the service_uuid. overwrite the channel # if reserved
        int reserved_channel = get_reserved_rfc_channel(service_uuid);
        if(reserved_channel > 0)
        {
            channel = reserved_channel;
        }
    }
    int status = BT_STATUS_FAIL;
    lock_slot(&slot_lock);
    rfc_slot_t* rs = alloc_rfc_slot(NULL, service_name, service_uuid, channel, flags, TRUE);
    if(rs)
    {
        APPL_TRACE_DEBUG1("BTA_JvCreateRecordByUser:%s", service_name);
        BTA_JvCreateRecordByUser((void *)rs->id);
        *sock_fd = rs->app_fd;
        rs->app_fd = -1; //the fd ownership is transferred to app
        status = BT_STATUS_SUCCESS;
        btsock_thread_add_fd(pth, rs->fd, BTSOCK_RFCOMM, SOCK_THREAD_FD_EXCEPTION, rs->id);
    }
    unlock_slot(&slot_lock);
    return status;
}