[beepbuilders] [ANN] Vortex Library 1.1.11 'Man of simple pleasures' is ready!

Francis Brosnan Blazquez francis en aspl.es
Mie Ene 4 11:59:40 CET 2012

      ##              Vortex Library 1.1.11            ##
      ##            "Man of simple pleasures"          ##

Release note

  Advanced Software Production Line is proud to announce Vortex
  Library 1.1.11 "Man of simple pleasures" release availability: an
  open source "BEEP Core" protocol implementation written in C, mapped
  onto TCP/IP.

  Vortex Library is a stable and robust application protocol
  development toolkit, with active support for Microsoft Windows and
  GNU/Linux platforms.

  Check out the following links to get ready with Vortex Library:

    - http://www.aspl.es/vortex
      [Vortex Library homepage]

    - http://www.aspl.es/vortex/py-vortex/html
      [PyVortex homepage]

    - http://www.aspl.es/turbulence
      [Turbulence BEEP server homepage]
    - http://code.google.com/p/vortexlibrary/downloads/list
      [Sources and Win32 binaries]

    - http://www.beepcore.org
      [BEEP Core community web site]

    - http://www.aspl.es/xml
      [Axl Library, XML 1.0 implementation]
This release in short

   PYVORTEX: Several updates to make the binding more stable in the
   	     long run (also controlling memory consumption).

             General PyVortex update to allow running a handler
	     watcher that can warn the user that some particular
	     handler is taking too long to finish and potentially may
	     cause performance degradation.

        TLS: now it is possible to provide a handler that is called
             when a TLS handshake fails.

     ENGINE: Complete vortex sequencer rewrite to allow handling all
             outgoing sending jobs in a fair manner (handling all of
             them in rounds, giving all channels the possibility to
             send content without being starved by highly interactive

             Several fixings and updates to make the product more
Change notifications


Thanks to..

   - Phil Black-Knight (reported and fixed problem at
     vortex_connection_set_profile_mask where the function was
     returning a wrong value at the first call. Also reported an API
     clash between TLS versions used in debian/ubuntu and redhat).

Changes since 1.1.10

* [fix] Several changes to vortex-regression-client.c to make it
  compilable in win64.

* [fix] Added additional headers to fix xml-rpc-support.c under win64.

* [fix] Several modifications to PyVortex to avoid reusing python
  references which do not reduce consumption significantly and makes
  the binding less maintainable.

* [fix] Updated py channel frame received code to not store the
  PyVortexChannel reference as a parameter to the frame received
  handler to avoid a crash when the frame received is fired having the
  python channel collected (but not its C representation).

* [fix] Updated vortex channel pool module to nullify its reference
  inside VortexChannel object to ensure the channel do not access the
  channel pool after the pool was uninstalled from the channel.  Added
  regression test to reproduce the bug and check fix introduced

* [fix] Updated PyVortex regression test to include a check to create
  a channel with a frame received handler forcing the PyVortexChannel
  reference to be garbaged to check then to receive frames over that
  channel. Reg test (py test-10-e).

* [fix] Version files updates..

* [fix] Updated TLS API to allow setting a failure handler that will
  be called when an error is found. Really useful at listener side to
  get error reporting that until now were passing silently. API added:

   - vortex_tls_set_failure_handler
   - VortexTlsFailureHandler

  Updated documentation to explain how to use this.

* [fix] Updated PyVortexCtx internal register to use internal
  VortexCtx to avoid relying on having always available the python
  vortex.Ctx that was used.

* [fix] Updated PyVortex listener side frame received, close channel
  and start channel handling to avoid passing as reference the python
  vortex.Ctx that was used to install those handlers.

* [fix] Updated PyVortex ctx.new_event to return the handle id of the
  event installed. Also added ctx.remove_event to allow removing an
  event installed providing its unique id. Updated documentation to
  explain how to use it.

* [fix] Updated vortex-file-transfer-server.c to also register a
  profile that echos all content received..

* [fix] Added new regression test (test-03f) that exposes a bug at
  channel pool close when all channels are available.

* [fix] Updated vortex sequencer internal reference checking to use
  connection reference from channel instead of the connection
  reference directly (channel reference is owned by the sequencer and
  connection is not). Updated internal queue priority to acquire a
  reference to the channel to avoid wrong dealloc when a connection
  failure is found in the middle of a transfer.

* [fix] Fixed wrong header for vortex_thread_pool_stats.

* [fix] Reorganized vortex internal debug log to use a single shot to
  write the log (to avoid missing log lines under heavy logging). Also
  updated to print a time stamp for each log.

* [fix] Removed flag not required to get access to vsnprintf

* [fix] Making automatic thread pool resize to be also checked on
  thread pool wait timeout.

* [fix] Fixed reg test 00-c2 which wasn't removing all threads created
  causing test 00-c1 to fail.

* [fix] Added additional check to channels internal reference inside

* [fix] Updated PyVortexChannel set_frame_received to allow removing
  handler installed when no parameter is received. Updated
  documentation and checked regression tests..

* [fix] Updated vortex sequencer module to avoid doing a priority
  queue for resequence operations (when a SEQ frame was received) to
  avoid giving priority to large send operations that are served fast
  and also acked fast by the receiving side (causing starvation for
  the rest of pending operations).  Also updated resequence signal
  code to check first if there are already other previous notification
  (to avoid filling the queue with notifications).

* [fix] Updated vortex thread API to include a new function that
  allows doing search operations over a queue looking it during the
  search. API added:

    - vortex_async_queue_lookup

* [fix] Fixed pop_channel_error example inside connection

* [fix] Fixed vortex.Connection documentation about getting channel
  creation error.

* [fix] Complete vortex sequencer rewrite to allow handling all
  outgoing sending jobs in a fair manner (treating them in rounds,
  giving all channels the possibility to send content without being
  starved by highly interactive transfers).  This rewrite will also
  open the possibility to implement channel sending priorities. All reg
  tests working!

* [fix] Removed old code used to drop messages for broken connections
  (inside vortex sequencer) which is no longer needed.

* [fix] Several fixings to make new vortex sequencer design to work
  with microsoft windows.

* [fix] Fixed automatic thread pool removal which wasn't checking for
  running threads causing to remove threads from the pool under heavy
  load situations.

* [fix] Making vortex channel send msg and send rpy operations to
  acquire a reference to the channel object during the operation to
  avoid races with new vortex sequencer implementation.

* [fix] Applied several fixings according to valgrind's hellgrind
  information (awesome tool!)...

* [fix] Code cleanups at vortex channel module (removed internal
  variables last_reply_delivered, last_msg_delivered,
  last_ans_delivered, last_ans_seqno_delivered).

* [fix] Updated vortex_set_conf API to include a new key to allow
  controlling if context finalization should wait for threads inside
  the thread pool to finish. API added:

  Added regression test (test_00-e) to reproduce a situation where
  threads from the pool are blocked and to check that even in those
  situations vortex_exit_ctx finishes right.  Also updated

* [fix] Version updates..

* [fix] Fixed PyVortex start channel start data reference (it was
  passed in properly).

* [fix] General PyVortex update to allow running a handler watcher
  that can warn the user that some particular handler is taking too
  long to finish and potentially may cause performance degradation.

* [fix] Updated PyVortex internal exception handling to report and
  report exceptions to better cancel/close current operations rather
  just ignoring it.

* [fix] Updated PyVortex to allow registering a handler that is called
  when it is detected a python handler is taking too long to finish.
  API added:

   - PyVortexTooLongNotifier

* [fix] Removed unnecessary lock/unlock pair from vortex channel
  module.  Moved log debug which may cause wrong memory access under
  certain conditions.

* [fix] Making vortex.Ctx.new_event to flag event period with "l"
  instead of "i" to avoid OverflowError: signed integer is greater
  than maximum.

* [fix] Updated internal channel add handler to report a boolean value
  with the operation result so channel resources can be released after
  a failure.

* [fix] Making vortex pull cleanup to also clear event masks.

* [fix] Making vortex thread pool to acquire the VortexCtx reference
  before starting the pool thread (to avoid races where thread isn't
  still started and VortexCtx was finished when having skip thread
  pool wait flag enabled).

* [fix] Moved debug log before connection registering at
  vortex_listener module to avoid wrong mem. access under some cases..

* [fix] Making vortex ALIVE implementation to check vortex_channel_ref
  result before continuing. Also making the implementation to grab the
  reference before setting the channel used by the check loop (fixed
  race exposed by PyVortex).

* [fix] Fixed memory leak at PyVortex caused by a circular reference
  built by vortex connection reference counting and python reference
  counting. Added initial file.sup to better track all memory consumed
  by PyVortex.

* [fix] Included file.sup into make dist result.

* [fix] Fixed memory leak inside PyVortex handler tracker: it was
  removing handler tracking object without calling destroy func: oops!

* [fix] Phil Black-Knight reported and fixed a problem at
  vortex_connection_set_profile_mask where the function was always
  returning an error code for the first handler installed (although it
  was indeed properly installed).

* [fix] Removed code that checks for reference counting at internal
  channel termination when detected pending messages to be sent (new
  design doesn't requires this).

* [fix] Fixed API clash between debian/ubuntu and RHEL where
  SSL_CTX_new and method created returns and receives const SSL_METHOD
  *. Updated the code to avoid declaring variables with that type
  passing directly the value returned from method creation into
  SSL_CTX_new. Bug reported by Philip Black-Knight..

About Us

  Advanced Software Production Line provides GNU/Linux support and
  consulting services to help organizations to introduce GNU/Linux
  inside its process.

  Contact us, using English or Spanish, to get commercial support
  and/or BEEP based development services.

  You can reach us:

       http://www.aspl.es - info en aspl.es

  Enjoy Vortex Library!  

Francis Brosnan Blázquez           - francis en aspl.es
Advanced Software Production Line  - http://www.aspl.es
4th jan 2012, Madrid (Spain)

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