libupnp: Build UPnP-compliant control points, devices, and bridges on several operating systems.

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The Portable SDK for UPnP* Devices (libupnp)

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Copyright (c) 2000-2003 Intel Corporation - All Rights Reserved.

Copyright (c) 2005-2006 Rémi Turboult r3mi@users.sourceforge.net

Copyright (c) 2006 Michel Pfeiffer and others virtual_worlds@gmx.de

See LICENSE for details.

Table of Contents

1. Overview

The Portable SDK for UPnP™ Devices is an SDK for development of UPnP device and control point applications. It consists of the core UPnP protocols along with a UPnP-specific eXtensible Markup Language (XML) parser supporting the Document Object Model (DOM) Level 2 API and an optional, integrated mini web server for serving UPnP related documents. It provides developers with an API and open source code for building control points, devices, and bridges that are compliant with Version 1.0 of the Universal Plug and Play Device Architecture Specification and supports several operating systems like Linux, *BSD, Solaris and others.

2. General Information

UPnP™ is an architecture that enables discovery, event notification, and control of devices on a network, independent of operating system, programming language, or physical network connection.  UPnP™ is based on common Internet standards and specifications such as TCP/IP, HTTP, and XML. For detailed information about UPnP™, including the UPnP™ Device Architecture Specification, please visit the UPnP™ Forum web site.

In 2000, Intel created the first version of the Linux SDK for UPnP™ Devices and subsequently released it to the open source community to foster growth of UPnP™.  To learn more about  Intel’s involvement with both UPnP™ and the SDK, please visit Intel’s Universal Plug and Play web site.

In 2006 this 100% compatible fork of the original project was created to support further development. This way, the project now continues using the name “Portable UPnP™” and as a project that is more open to contributions of the community. The main goal is the availability of the project for all important platforms to become a standard for UPnP™.

3. Changelog

4. Documentation

Documentation is available in PDF format from the downloads section. The documentation actually resides inside the source code itself and is built into the PDF file by an automated process using Doxygen. Documentation for each function resides in a comment section immediately preceding the function.

5. Other projects that are using the SDK

This is a list of some of the projects and products that are based on the SDK for UPnP™ Devices.  Please let us know if you are working on a project and would like to see it listed here!

The links listed here point to external pages that are not under our control, that means we do not have any influence on their contents. Some jurisdictions have the point of view that the owner of a internet page is responsible for links to other webpages and the contents that can be found there. (Landgericht Hamburg, Judgement from 12th May 1998, 312 O 85/98).

Because of that, the operator of these pages is dissociating explicitly from all links made from here. If we are informed about pages with penal relevant names, links, contents or something else we’ll remove links to these pages immediately in case that is technically possible and reasonable.

6. License Conditions

The Portable SDK for UPnP™ Devices is distributed under the BSD (Berkeley Standard Distribution) license. This license allows you to use the source code royalty free and does not place any restrictions on what you do with source code derived from the SDK. For full details on the license conditions, please consult the LICENSE file located inside the SDK distribution.

7. Release List

Release Number Date History
1.18.0 TBA ? Portable UPnP SDK
1.16.0 aborted Portable UPnP SDK
1.14.19 TBA Portable UPnP SDK
1.14.18 2023-08-21 Portable UPnP SDK
1.14.17 2023-04-30 Portable UPnP SDK
1.14.16 2023-03-30 Portable UPnP SDK
1.14.15 2022-11-18 Portable UPnP SDK
1.14.14 2022-10-05 Portable UPnP SDK
1.14.13 2022-08-03 Portable UPnP SDK
1.14.12 2021-09-26 Portable UPnP SDK
1.14.11 2021-08-20 Portable UPnP SDK
1.14.10 2021-08-17 Portable UPnP SDK
1.14.9 2021-08-08 Portable UPnP SDK
1.14.8 2021-08-07 Portable UPnP SDK
1.14.7 2021-05-08 Portable UPnP SDK
1.14.6 2021-04-19 Portable UPnP SDK
1.14.5 2021-04-06 Portable UPnP SDK
1.14.4 2021-03-29 Portable UPnP SDK
1.14.3 2021-03-29 Portable UPnP SDK
1.14.2 2021-02-28 Portable UPnP SDK
1.14.1 2021-02-08 Portable UPnP SDK
1.14.0 2020-07-20 Portable UPnP SDK
1.12.1 2020-04-07 Portable UPnP SDK
1.12.0 2020-01-22 Portable UPnP SDK
1.10.1 2019-11-20 Portable UPnP SDK
1.10.0 2019-11-01 Portable UPnP SDK
1.8.7 2020-04-07 Portable UPnP SDK
1.8.6 2019-11-20 Portable UPnP SDK
1.8.5 2019-11-01 Portable UPnP SDK
1.8.4 2018-10-25 Portable UPnP SDK
1.8.3 2017-11-12 Portable UPnP SDK
1.8.2 2017-11-12 Portable UPnP SDK
1.8.1 2017-05-24 Portable UPnP SDK
1.8.0 2017-01-04 Portable UPnP SDK
1.6.25 2016-02-10 Portable UPnP SDK
1.6.24 2017-11-19 Portable UPnP SDK
1.6.23 2017-11-19 Portable UPnP SDK
1.6.22 2017-05-30 Portable UPnP SDK
1.6.21 2016-12-21 Portable UPnP SDK
1.6.20 2016-07-07 Portable UPnP SDK
1.6.19 2013-11-15 Portable UPnP SDK
1.6.18 2013-01-29 Portable UPnP SDK
1.6.17 2012-04-03 Portable UPnP SDK
1.6.16 2012-03-21 Portable UPnP SDK
1.6.15 2012-01-25 Portable UPnP SDK
1.6.14 2011-11-17 Portable UPnP SDK
1.6.13 2011-03-17 Portable UPnP SDK
1.6.12 2011-02-08 Portable UPnP SDK
1.6.11 2011-02-07 Portable UPnP SDK
1.6.10 2011-01-30 Portable UPnP SDK
1.6.9 2010-11-07 Portable UPnP SDK
1.6.8 2010-10-21 Portable UPnP SDK
1.6.7 2010-10-04 Portable UPnP SDK
1.6.6 2008-04-25 Portable UPnP SDK
1.6.5 2008-02-02 Portable UPnP SDK
1.6.4 2008-01-26 Portable UPnP SDK
1.6.3 2007-12-26 Portable UPnP SDK
1.6.2 2007-12-10 Portable UPnP SDK
1.6.1 2007-11-08 Portable UPnP SDK
1.6.0 2007-06-23 Portable UPnP SDK
1.4.6 2007-04-30 Portable UPnP SDK
1.4.5 2007-04-28 Portable UPnP SDK
1.4.4 2007-04-17 Portable UPnP SDK
1.4.3 2007-03-06 Portable UPnP SDK
1.4.2 2007-02-16 Portable UPnP SDK
1.4.1 2006-08-11 Portable UPnP SDK
1.4.0 2006-06-12 Portable UPnP SDK
1.3.1 2006-03-05 UPnP SDK for Linux
1.3.0 2006-03-04 UPnP SDK for Linux
1.2.1a 2003-11-08 UPnP SDK for Linux
1.2.1 2003-02-13 UPnP SDK for Linux
1.0.4 2001-08-15 UPnP SDK for Linux
1.0.3 2001-06-12 UPnP SDK for Linux
1.0.2 2001-02-07 UPnP SDK for Linux
1.0.1 2000-10-13 UPnP SDK for Linux
1.0.0 2000-08-31 UPnP SDK for Linux
0.9.1 2000-08-17 UPnP SDK for Linux
0.9.0 2000-08-01 UPnP SDK for Linux

8. Package Contents

The SDK for UPnP Devices contains the following:

Path/File Description
README This file. Contains the installation and build instructions.
LICENSE The licensing terms the SDK is distributed under.
NEWS Changes and new features.
ixml/doc The files for generating the XML parser documentation from the source code.
ixml/inc The public include files required to use the XML parser.
ixml/src The source code to the XML parser library.
upnp/doc The files for generating the SDK documentation from the source code.
upnp/inc The public include files required to use the SDK.
upnp/src The source files comprising the SDK, libupnp.so.
upnp/sample A sample device and control point application, illustrating the usage of the SDK.

9. System Requirements

The SDK for UPnP Devices is designed to compile and run under several operating systems. It does, however, have dependencies on some packages that may not be installed by default. All packages that it requires are listed below.

Dependency Description
libpthread The header and library are installed as part of the glibc-devel package (or equivalent).

Additionally, the documentation for the SDK can be auto-generated from the upnp.h header file using Doxygen, a documentation system for C, C++, IDL, and Java*. Doxygen generates the documentation in HTML or TeX format. Using some additional tools, the TeX output can be converted into a PDF file. To generate the documentation these tools are required:

Package Description
Doxygen The homepage for Doxygen is https://www.doxygen.nl/index.html. The current version as of this release of the SDK is version 3.4.9. Doxygen is the only requirement for generating the HTML documentation.
LaTeX/TeX To generate the PDF documentation, LaTeX and TeX tools are necessary. The tetex and tetex-latex packages provide these tools.
dvips dvips converts the DVI file produced by LaTeX into a PostScript* file. The tetex-dvips package provides this tool.
ps2pdf The final step to making the PDF is converting the PostStript* into Portable Document Format. The ghostscript package provides this tool.

For the UPnP library to function correctly, networking must be configured properly for multicasting. To do this:

% route add -net netmask eth0

where ‘eth0’ is the network adapter that the UPnP library will use. Without this addition, device advertisements and control point searches will not function.

10. Build Instructions

10.1. Pre-requisites

Some packages/tools are required to build the library. Here’s a minimal ‘inspirational example’ that builds the library using a Docker Ubuntu image.

% docker run -it --rm ubuntu /bin/bash

% apt update \
  && apt install -y build-essential autoconf libtool pkg-config git shtool \
  && git clone http://github.com/pupnp/pupnp.git \
  && cd pupnp \
  && ./bootstrap

% ./configure
% make

10.2. Core Libraries

Note: On a git checkout, you need to run ./bootstrap to generate the configure script.

% ./configure
% make

will build a version of the binaries without debug support, and with default options enabled (see below for options available at configure time).

% ./configure CFLAGS="-DSPARC_SOLARIS -mtune=<cputype> -mcpu=<cputype>"
% make

will build a Sparc Solaris version of the binaries without debug support and with default options enabled (see below for options available at configure time). Please note: <cputype> has to be replaced by a token that fits to your platform and CPU (e.g. “supersparc”).

To build the documentation, assuming all the necessary tools are installed (see section 3):

To generate the HTML documentation:

% make html

To generate the PDF file:

% make pdf

A few options are available at configure time. Use “./configure –help” to display a complete list of options. Note that these options may be combined in any order. After installation, the file <upnp/upnpconfig.h> will provide a summary of the optional features that have been included in the library.

% ./configure --enable-debug
% make

will build a debug version with symbols support.

To build the library with the optional, integrated mini web server (note that this is the default):

% ./configure --enable-webserver
% make

To build without:

% ./configure --disable-webserver
% make

The SDK also contains some additional helper APIs, declared in inc/tools/upnptools.h. If these additional tools are not required, they can be compiled out:

% ./configure --disable-tools
% make

By default, the tools are included in the library.

To further remove code that is not required, the library can be build with or with out the control point (client) or device specific code. To remove this code:

% ./configure --disable-client
% make

to remove client only code or:

% ./configure --disable-device
% make

to remove device only code.

By default, both client and device code is included in the library. The integrated web server is automatically removed when configuring with –disable-device.

To build the library without large-file support (enabled by default):

% ./configure --disable-largefile
% make

To remove all the targets, object files, and built documentation:

% make clean

10.3. Cross Compilation

To cross compile the SDK, a special “configure” directive is all that is required:

% ./configure --host=arm-linux
% make

This will invoke the “arm-linux-gcc” cross compiler to build the library.

10.4. Samples

The SDK contains two samples: a TV device application and a control point that talks with the TV device. They are found in the $(LIBUPNP)/upnp/sample directory.

To build the samples (note: this is the default behavior):

% ./configure --enable-samples
% make

will build the sample device “$(LIBUPNP)/upnp/tv_device” and sample control point “$(LIBUPNP)/upnp/tv_ctrlpt”. Note : the sample device won’t be built if –disable-device has been configured, and the sample control point won’t be build if –disable-client has been configured.

To run the sample device, you need to create a tvdevice directory and move the web directory there, giving: “$(LIBUPNP)/upnp/sample/tvdevice/web”. To run the sample invoke from the command line as follows:

% cd ./upnp/sample/tvdevice
% ../tv_device

10.5. Solaris Build

The building process for the Solaris operating system is similar to the one described above. Only the call to ./configure has to be done using an additional parameter:

% ./configure CFLAGS="-mcpu=<cputype> -mtune=<cputype> -DSPARC_SOLARIS"

where <cputype> has to be replaced by the appropriate CPU tuning flag (e.g. “supersparc”). Afterwards

% make
% make install

can be called as described above.

10.6. Windows Build

See the section CMake Build

10.7. CMake Build

In Order to build everything using the cmake build system, you just need to install cmake for your platform. Standalone cmake is recommended, IDE’s like Visual Studio have built-in support which works, but as cmake in general encourages out-of-source builds and VS writes it’s config into the source, cmake-gui should be used on windows.

All known options have the same meaning as stated in point 10.2. In Addition 2 options have been added.

If you don’t want to build pthreads4w in the same build as upnp, you can download it from https://github.com/Vollstrecker/pthreads4w. Just build and install it. The libs and headers will be found, if you set CMAKE_INSTALL_PREFIX (the base install dir) to the same location.

For information on general usage of the cmake build system see: https://cmake.org/cmake/help/v3.19/guide/user-interaction/index.html

11. Install/Uninstall Instructions

11.1. Install

The top-level makefile for the UPnP SDK contains rules to install the necessary components. To install the SDK, as root:

% make install

11.2. Uninstall

Likewise, the top-level makefile contains an uninstall rule, reversing the steps in the install:

% make uninstall

12. Product Release Notes

The SDK for UPnP Devices v1.2.1a has these known issues:

13. New Features

See ChangeLog file.

14. Support and Contact Information

Intel is not providing support for the SDK for UPnP Devices. Mailing lists and discussion boards can be found at https://github.com/pupnp/pupnp/discussions.

If you find this SDK useful, please send an email to upnp@intel.com and let us know.

* Other brands, names, and trademarks are the property of their respective owners.

15. IXML support for scripting languages

The tree structure of XML documents created by IXML is hard to maintain when creating a binding for a scripting language. Even when many elements may never be used on the script side, it requires copying the entire tree structure once you start accessing elements several levels deep.Hence scriptsupport was added. To enable it compile while IXML_HAVE_SCRIPTSUPPORT has been defined (enabled by default). This allows control using only a list instead of a tree-like structure, and only nodes actually accessed need to be created instead of all the nodes in the tree.

Here’s how its supposed to work:

Freeing resources can be done in 2 ways, C side by simply calling the free node methods, or script side by the garbage collector of the script engine.

Script side steps:

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17. Thanks

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