root_desc.c

UPnP协议中的控制设备(CD)的例子程序

/*
** Copyright (c) 2004 Axis Communications AB.
** All rights reserved.
** 
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
** 
** * Redistributions of source code must retain the above copyright notice,
**   this list of conditions and the following disclaimer.
** * 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.
** * Neither name of Axis Communications AB 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 INTEL 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.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <syslog.h>
#include <upnp/upnp.h>
#include "../main/debug.h"
#include "basic_device.h"

static char *rootDeviceDesc = "\
<?xml version=\"1.0\"?>\r\n\
<root xmlns=\"urn:schemas-upnp-org:device-1-0\">\r\n\
  <specVersion>\r\n\
    <major>1</major>\r\n\
    <minor>0</minor>\r\n\
  </specVersion>\r\n\
  <device>\r\n\
    <deviceType>urn:schemas-upnp-org:device:Basic:1</deviceType>\r\n\
    <friendlyName>%s</friendlyName>\r\n\
    <manufacturer>%s</manufacturer>\r\n\
    <manufacturerURL>%s</manufacturerURL>\r\n\
    <modelDescription>%s</modelDescription>\r\n\
    <modelName>%s</modelName>\r\n\
    <modelNumber>%s</modelNumber>\r\n\
    <modelURL>%s</modelURL>\r\n\
    <serialNumber>%s</serialNumber>\r\n\
    <UDN>uuid:Upnp-BasicDevice-1_0-%s</UDN>\r\n\
    <serviceList>\r\n\
      <service>\r\n\
        <serviceType>urn:axis-com:service:BasicService:1</serviceType>\r\n\
        <serviceId>urn:axis-com:serviceId:BasicServiceId</serviceId>\r\n\
        <controlURL>/upnp/control/BasicServiceId</controlURL>\r\n\
        <eventSubURL>/upnp/event/BasicServiceId</eventSubURL>\r\n\
        <SCPDURL>/%s</SCPDURL>\r\n\
      </service>\r\n\
    </serviceList>\r\n\
   <presentationURL>http://%s/</presentationURL>\r\n\
</device>\r\n\
</root>\r\n";

void
createRootDescDoc(struct GlobalConfig *config)
{
  char *tmp;
  FILE *doc;

  if (config->friendlyName == NULL ||
      config->friendlyName[0] == '\0') {
    free(config->friendlyName);
    asprintf(&config->friendlyName, "%s - %s", 
             config->prodShortName, config->serialNumber);
  }
  DBG1(syslog(LOG_DEBUG, "Friendly name: %s", config->friendlyName));

  /* Create root device description document. */
  asprintf(&tmp, "%s/%s", WEB_SERVER_ROOT, ROOT_DESC_DOC);
  doc = fopen(tmp, "w+");
  if (doc == NULL) {
    syslog(LOG_CRIT, "fopen(%s): %s", tmp, strerror(errno));
    exit(EXIT_FAILURE);
  }
  fprintf(doc, rootDeviceDesc, 
          config->friendlyName,
          config->brand,
          config->webURL,
          config->prodFullName,
          config->prodShortName,
          config->prodNbr,
          config->webURL,
          config->serialNumber,
          config->serialNumber,
          SCPD_BASIC_DOC,
          UpnpGetServerIpAddress());
  fclose(doc);
  free(tmp);
}

void
removeRootDescDoc()
{
  char *tmp;
  asprintf(&tmp, "%s/%s", WEB_SERVER_ROOT, ROOT_DESC_DOC);
  unlink(tmp);
  free(tmp);
}