nuttx-apps/netutils/ftpc/ftpc_idle.c

/****************************************************************************
 * apps/netutils/ftpc/ftpc_idle.c
 *
 *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include "ftpc_config.h"

#include <debug.h>
#include <apps/ftpc.h>

#include "ftpc_internal.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/****************************************************************************
 * Private Types
 ****************************************************************************/

/****************************************************************************
 * Private Data
 ****************************************************************************/

/****************************************************************************
 * Public Data
 ****************************************************************************/

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: ftpc_idle
 *
 * Description:
 *  This command will change the FTP server's idle time limit with the site
 *  idle ftp command. This is useful if the default time limit is too short
 *  for the transmission of files).
 *
 ****************************************************************************/

int ftpc_idle(SESSION handle, unsigned int idletime)
{
  FAR struct ftpc_session_s *session = (FAR struct ftpc_session_s *)handle;
  int ret = OK;

  /* Check if the server supports the SITE IDLE command */

  if (!FTPC_HAS_IDLE(session))
  {
    ndbg("Server does not support SITE IDLE\n");
    return ERROR;
  }

  /* Did the caller provide an IDLE time?  Or is this just a query for the
   * current IDLE time setting?
   */

  if (idletime)
    {
      ret = ftpc_cmd(session, "SITE IDLE %u", idletime);
    }
  else
    {
      ret = ftpc_cmd(session, "SITE IDLE");
    }

  /* Check for "502 Command not implemented" or 500 "Unknown SITE command" */

  if (session->code == 500 || session->code == 502)
    {
      /* Server does not support SITE IDLE */

      ndbg("Server does not support SITE IDLE\n");
      FTPC_CLR_IDLE(session);
    }

  return ret;
}