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Tango in a Nutshell

Tango in a Nutshell. Tango in a Nutshell. What is Tango? Who dances the Tango? How to dance the Tango?. Control System. TANGO. CORBA. What is Tango?. A toolbox to implement control systems using CORBA as the transport layer A specialization of CORBA adapted to Control

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Tango in a Nutshell

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  1. Tango in a Nutshell

  2. Tango in a Nutshell • What is Tango? • Who dances the Tango? • How to dance the Tango?

  3. Control System TANGO CORBA What is Tango? • A toolbox to implement control systems using CORBA as the transport layer • A specialization of CORBA adapted to Control • Hides the complexity of Corba to the programmer • Adds specific control system features

  4. CORBA • Common Object Request Broker Architecture • CORBA defines the ORB: a way to call an object “method” wherever the object is • In the same process • In another process • In a process running somewhere on the network • CORBA also defines services available for all objects (naming, notification, event)

  5. CORBA • CORBA allows mixing languages: • a client is not necessarily written in the same language as the server • CORBA uses an Interface Definition Language (IDL) • CORBA defines bindings between IDL and the computing languages (C++, Java, Python, Ada, ….)

  6. Tango and CORBA • Tango encapsulates the CORBA communication protocol • Allows the use of other communiction protocols • Tango uses a narrow CORBA interface • All objects on the network have the same interface • Allows the use of generic applications • Avoids recompilation when new objects are added

  7. What is Tango? • A software bus for distributed objects Java, C++,Python Linux, Windows, Solaris Scan Service TANGO ATK Java Qtango C++ Archiving Service TANGOSoftware Bus Dev Dev Dev Dev Dev Dev Dev OPC Linux, Windows, Solaris Labview RT

  8. What is Tango? • Provides an unified interface to devices (objects) on the network • hiding how they are connected to a computer (serial line, USB, sockets, …) • Hides the network • Location transparency • Genericity • APIs for C++, Python and Java • For the server and the client side

  9. What is Tango? • More than only a software bus • Database for persistancy • Code generator to implement networked devices • Central services (Archive, snapshots, logging, alarms, scans, security, …) • Application Toolkits (Java, C++ and Python) • Comercial bindings (Labview, Matlab, IgorPro) • Control system administration (Starter, Astor) • Hundrets of available classes • Web interfaces (PHP, Java)

  10. Who dances the Tango? 2007 2002 2004 2000 ALBA 2005

  11. Who dances the Tango? • Tango@Elettra • Used for accelerator control • Development of • The Python interface (Release 2.x) • An alarm service • Canone: A WEB interface using PHP • E-Giga: A WEB interface above the Tango archiving service • QTango: C++ application toolkit using Qt

  12. Who dances the Tango? • Tango @ Soleil • Used for accelerator and experiment control • Development of • Logging service • Archiving service (Tango HDB) using ORACLE or MySQL • Snapshot service also using ORACLE or MySQL • Comercial bindings (Labview, Matlab, …) • WEB protocol for the java application toolkit (ATK)

  13. Who dances the Tango? • Tango @ Alba • Used for accelerator and experiment control • Development of • Python device servers (PyTango release 3.x) • Sardana: Control software for experiments • Python application toolkit using Qt • Tango@DESY • Used for experiment control at the new PETRAIII synchrotron

  14. Who dances the Tango? • Tango @ ESRF • Used for accelerator and experiment control • Development of • The Tango core libraries (C++ and Java) • Pogo : Code generator • Jive : Configuration tool • Astor / Starter : administration service • Java application toolkit

  15. How to dance the Tango? • Lets dance together: • Two collaboration meetings per year • A mailing list (tango@esrf.fr) • One Tango coordinator per site • WEB site to download code, get documentation, search the mailing list history, read collaboration meeting minutes, … http://www.tango-controls.org • Collaborative development using SourceForge

  16. How to dance the Tango? • You can download Tango from http://www.tango-controls.org/download • As a source package for UNIX like OS • As a Windows binary distribution • For Unix (and co), do not forget to first download, compile and install • omniORB • omniNotify • For Windows all libraries and binaries for omniORB and omniNotify are included in the distribution.

  17. How to dance the Tango? • A list of all Tango classes is available with their documentation under http://www.tango-controls.org/device-servers • Common interest class sources are stored on a CVS server hosted by SourceForge • Project name = tango-ds • http://sourceforge.net/projects/tango-ds/ • Local class sources are stored in a local CVS repository at each institute

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