[ts-gen] Announcing the 1.0 release of the shim

Richard Pruss boadie at gmail.com
Sat Nov 27 03:23:07 EST 2010


Congrats Bill and thanks to you and the team,
Ric

On 27/11/2010, at 1:23 PM, Bill Pippin wrote:

> I've fixed open bugs, and so the shim reaches version 1.0.
>> From the NEWS file:
> 
>  * Announcing: version 1.0 of the shim!  Open bugs have
>    been fixed, and additional features such as the following
>    may be considered for, and may become part of, a post 1.0
>    effort:
> 
>        + add man page, add autotools "make config" packaging,
>          and add man page text to help command;
> 
>        + add contracts dynamically, as contract data query
>          answers occur;
> 
>        + complete port of database to postgresql;
> 
>        + add newer, extended order attributes to cmd language;
> 
>        + add support for the market scanner;
> 
>        + add user process() per-message callback for C++
>          developers;
> 
>        + add grammar rule driven configuration to the ruby
>          sample client; and
> 
>        + port to Windows
> 
>    The order --- and for that matter, the existence --- of the
>    above is not a commitment to deliver, or deliver in the
>    order listed.  Readers on the list may want to consider how
>    they can contribute to any of the above goals that they find
>    of interest.  The shim is free software!
> 
>  * Fix bug in ErrorMsg ApiA lookup action, where type tag
>    for tick id was conflated with type tag for api error
>    index.  This prevents the syntax errors that were
>    occurring for most api error messages, of the form:
>        Syntax error:
>        Grammar rule: Compound ErrorMsg
>        Cursor state: match; text is:
> 
>    The trace text above was empty since the input itself
>    parsed fine, and it was the trailing action that failed.
> 
>  * Relax quantity term type, to allow negative values in
>    size tick messages, since the option open interest value
>    for subtick type 27 can be negative; and generalize the
>    TickData parent class data member to be integral, rather
>    than natural.
> 
>  * Fix timestamp bug, by splitting all base and offset
>    calculations for the two clocks until the final
>    comparison in DualClock::check_time().  Monotonicity
>    is maintained, at the cost of allowing the shim's
>    clock to run ahead of the wall clock time in the
>    worst case, where either the time stamp counter
>    speeds up significantly over time, or the wall clock
>    time is set back significantly. 
> 
>  * Update shim version to 0.99, reflecting, on the one
>    hand: the simplifications to the database; use of
>    exchange sets in contract lookup; grammar rules to
>    document command language; grammar rules to define api
>    request and message formats; and api request and message
>    formats extended to provide multi-version api support,
>    from api levels 17 to 49 --- all of which taken alone
>    would justify a 1.0 release according to our roadmap ---
>    and, on the other hand, the recent and still existing
>    timestamp bug which needs to be fixed prior to 1.0. 
> 
>  * Most of the files in the lib directory have been 
>    relicensed from GPLv3+ to LGPLv3+ .  Note that the
>    trading-shim sources, and in particular the files in
>    the src and sql directories, remain under GPLv3+
>    licensing.
> 
>  * The order submission bug has been fixed; it was due to
>    incorrect reordering of grammar action symbols for the
>    submit case.
> 
>  * The layout of the sql directory has changed, to reflect
>    initial work on postgresql support (no, the shim does not
>    yet connect to a psql database).  There are create table
>    statements in both sql/mys and sql/pgs, and users are
>    welcome to compare the two directories to get some idea
>    of upcoming changes to the database, and work left to
>    be completed.
> 
>  * Remove obsolete help text, and modify help command to print
>    the same grammar text as the help option provides.  The
>    syntax of the help command is now simply:
> 
>        help;
> 
>    Note that there are differences in the grammar rules for the
>    command language and those for the api request and command
>    formats; broadly speaking, the first is for the benefit of
>    users, while the latter two are for the use of developers
>    and the shim itself.
> 
> Thanks,
> 
> Bill
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