px4-firmware/apps/examples/xmlrpc/calls.c

/****************************************************************************
 * apps/examples/xmlrpc/calls.c
 * 
 *   Copyright (C) 2012 Max Holtzberg. All rights reserved.
 *   Author: Max Holtzberg <mh@uvc.de>
 *
 * Based on the embeddable lightweight XML-RPC server code discussed
 * in the article at: http://www.drdobbs.com/web-development/\
 *    an-embeddable-lightweight-xml-rpc-server/184405364
 *
 *  Copyright (c) 2002 Cogito LLC.  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or 
 *  without modification, is hereby granted without fee 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 of Cogito LLC 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 COGITO LLC AND CONTRIBUTERS 'AS IS' 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
 * TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A 
 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL COGITO LLC 
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARAY, 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 <string.h>
#include <apps/netutils/xmlrpc.h>

/****************************************************************************
 * Private Function Prototypes
 ****************************************************************************/

static int calls_get_device_stats(struct xmlrpc_s *xmlcall);

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

struct xmlrpc_entry_s get_device_stats =
{
  .name = "get_device_stats",
  .func = calls_get_device_stats
};

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

static int calls_get_device_stats(struct xmlrpc_s *xmlcall)
{
  char username[80], password[80];
  char lastCommand[80], curState[80];
  int request = 0, status, ret;

  do
    {
      ret = xmlrpc_getstring(xmlcall, username);
      if (ret != XMLRPC_NO_ERROR)
        {
          break;
        }

      ret = xmlrpc_getstring(xmlcall, password);
      if (ret != XMLRPC_NO_ERROR)
        {
          break;
        }

      ret = xmlrpc_getinteger(xmlcall, &request);
      if (ret != XMLRPC_NO_ERROR)
        {
          break;
        }
    }
  while (0);

  if (ret == XMLRPC_NO_ERROR)
    {
      /* Dummy up some data... */

      status = 1;
      strcpy(lastCommand, "reboot");
      strcpy(curState, "Normal Operation");

      ret = xmlrpc_buildresponse(xmlcall, "{iss}",
                                 "status", status,
                                 "lastCommand", lastCommand,
                                 "currentState", curState);
    }

  return ret;
}

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

void calls_register(void)
{
  xmlrpc_register(&get_device_stats);
}