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View Code? Open in Web Editor NEWCORBA Telecom Log Service Client
License: BSD 2-Clause "Simplified" License
CORBA Telecom Log Service Client
License: BSD 2-Clause "Simplified" License
========================== Telecom Log Service Client ========================== Telecom Log Service Client (``tlscli``) is a Python command-line client for CORBA Telecom Log Service. Using it you can: * create a new log * query a log * add or remove log records For more information on the TelecomLogService, see: http://www.omg.org/spec/TLOG/ The project is hosted on Launchpad: https://launchpad.net/tlscli Example ======= Here's an example session, assuming a Telecom Log Service is running:: me@mymachine$ tlscli -ORBInitRef LogMgr=`cat /var/run/corba/tls.ior` list me@mymachine$ tlscli -ORBInitRef LogMgr=`cat /var/run/corba/tls.ior` create 0 me@mymachine$ tlscli -ORBInitRef LogMgr=`cat /var/run/corba/tls.ior` list 0 me@mymachine$ tlscli -ORBInitRef LogMgr=`cat /var/run/corba/tls.ior` info 0 id: 0 QoS: none max-record-life: infinite max-size: unlimited current-size: 56 bytes records: 1 log-full-action: wrap administrative-state: unlocked forwarding-state: on operational-state: enabled interval: now - forever availability-status: { off-duty: False; full: False } capacity-alarm-thresholds: [100] week-mask: ------------------------------------------------------------------------------ me@mymachine$ tlscli -ORBInitRef LogMgr=`cat /var/run/corba/tls.ior` write 'Hello world!' to 0 me@mymachine$ tlscli -ORBInitRef LogMgr=`cat /var/run/corba/tls.ior` info 0 id: 0 QoS: none max-record-life: infinite max-size: unlimited current-size: 57 bytes records: 1 log-full-action: wrap administrative-state: unlocked forwarding-state: on operational-state: enabled interval: now - forever availability-status: { off-duty: False; full: False } capacity-alarm-thresholds: [100] week-mask: ------------------------------------------------------------------------------ me@mymachine$ tlscli -ORBInitRef LogMgr=`cat /var/run/corba/tls.ior` retrieve 10 after `date +%Y%m%d` from 0 id: 1 time: Sat Dec 25 17:11:57 2010 attributes: [] info: Hello world! ------------------------------------------------------------------------------ This creates a new log with id 0, then write a new log record to it with text ``Hello world``. Prerequisites ============= To install ``tlscli``, you need: * a working installation of `omniORBpy <http://omniorb.sourceforge.net/>`_, or a working installation of `PyORBit <https://github.com/GNOME/pyorbit>`_. * `python-dateutil <http://niemeyer.net/python-dateutil>`_ To proceed to installation, run the following command from where you unpacked ``tlscli``:: me@mymachine$ python setup.py install --user This will automatically install everything needed into your ``$HOME/.local`` (``tlscli`` itself will be in ``$HOME/.local/bin``). To run ``tlscli``, you need a Telecom Log Service running somewhere. ``tlscli`` is known to work with the following implementations: * ``tao_tls_basic``, ``tao_tls_event`` and ``tao_tls_notify`` provided with `TAO <http://www.cs.wustl.edu/~schmidt/TAO.html>`_ * ``tlserl``, an Erlang implementation available on `bitbucket <https://bitbucket.org/tgg/tlserl/>`_ Running ======= When invoking ``tlscli`` you need to specify how to connect to the LogMgr. The LogMgr is the object to use to access (or create) logs. This is achieved by specifying an initial reference for the LogMgr, using one of the three following methods: * add ``-ORBInitRef LogMgr=corbaname:iiop:1.2@MACHINE:PORT#NAME`` * add ``-ORBInitRef LogMgr=corbaloc:iiop:1.2@MACHINE:PORT/NAME`` * add ``-ORBInitRef LogMgr=IOR:IOR`` where ``MACHINE:PORT`` specify where to find a Telecom Log Service (or a Name Service for ``corbaname``), and ``NAME`` is the name to use for the service (or the Name Service for ``corbaname``). Please read `The corbaloc and corbaname URLs chapter <http://www.ciaranmchale.com/corba-explained-simply/the-corbaloc-and-corbaname-urls.html>`_ in the great online free book `CORBA Explained Simply <http://www.ciaranmchale.com/corba-explained-simply/>`_. Commands ======== Creating a new log ------------------ To create a new log, use ``tlscli create``. This will return the id of the newly created log. Querying an existing log ------------------------ * ``list`` will return the id of all logs available from the given LogMgr. This is the default command if none is specified * ``info`` will return information about an existing log, such as size, record count and current status * ``query`` can be used to search for log records matching a given constraint * ``retrieve`` retrieves a given count of log records before or after the specified date Modifying an existing log ------------------------- * ``write`` adds a new log record to an existing log * ``delete`` removes log records matching a given constraint from an existing log For more information on commands, use ``tlscli --help``.
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