Пример #1
0
/*----------------------------------------------------------------------
|   PLT_DeviceData::SetDescription
+---------------------------------------------------------------------*/
NPT_Result
PLT_DeviceData::SetDescription(PLT_DeviceDataReference&      root_device,
                               NPT_TimeInterval              leasetime,
                               NPT_HttpUrl                   description_url,
                               const char*                   description, 
                               const NPT_HttpRequestContext& context)
{
    NPT_XmlParser       parser;
    NPT_XmlNode*        tree = NULL;
    NPT_Result          res;
    NPT_XmlElementNode* root = NULL;
    NPT_String          URLBase;
    NPT_String          configId;
    
    // create new device if none passed
    if (root_device.IsNull()) {
        root_device = new PLT_DeviceData(description_url, "", leasetime);
    }
    
    res = parser.Parse(description, tree);
    NPT_CHECK_LABEL_SEVERE(res, cleanup);

    root = tree->AsElementNode();
    if (!root || 
        root->GetTag() != "root" || 
        !root->GetNamespace() || 
        *root->GetNamespace() != "urn:schemas-upnp-org:device-1-0") {
        NPT_LOG_INFO_1("root namespace is invalid: %s", 
            (root&&root->GetNamespace())?root->GetNamespace()->GetChars():"null");
        NPT_CHECK_LABEL_SEVERE(NPT_FAILURE, cleanup);
    }
    
    // look for optional URLBase element
    if (NPT_SUCCEEDED(PLT_XmlHelper::GetChildText(root, "URLBase", URLBase))) {
        NPT_HttpUrl url(URLBase);
		// Some devices like Connect360 try to be funny - not so
        if (url.GetHost().ToLowercase() == "localhost" ||
            url.GetHost().ToLowercase() == "127.0.0.1") {
            url.SetHost(context.GetRemoteAddress().GetIpAddress().ToString());
        }
        root_device->SetURLBase(url);
    } else {
        // No URLBase, derive from description url
        root_device->SetURLBase(description_url);
    }

    // at least one root device child element is required
    NPT_XmlElementNode* device;
    if (!(device = PLT_XmlHelper::GetChild(root, "device"))) {
        NPT_CHECK_LABEL_SEVERE(NPT_FAILURE, cleanup);
    }

    res = SetDescriptionDevice(root_device, device, context);
    
    // reset configId if and set it back from root attribute
    root_device->m_ConfigId = 0;
    if (NPT_SUCCEEDED(PLT_XmlHelper::GetAttribute(root, "configId", configId))) {
        NPT_UInt32 value;
        if (NPT_SUCCEEDED(configId.ToInteger32(value))) {
            root_device->m_ConfigId = value;
        }
    }

cleanup:
    // delete the tree
    delete tree;
    return res;
}