[PD] tcpserver, flush?

[Christof Ressi]

Sounds good!

On 15.06.2020 21:41, Martin Peach wrote:
> On Mon, Jun 15, 2020 at 3:09 PM Christof Ressi <info at christofressi.com> wrote:
>>> I have revised the code in those objects
>> I see some bug fixes and the REUSEADDR and NODELAY options, that's cool!
>>
>> If you have lots of free time, you also might want to revise the whole
>> threading code. Spawning a new thread for every list of bytes is not
>> only excessively wasteful (especially in a soft-realtime environment),
>> but also breaks determinism: if you send list A and list B in short
>> succession, thread A is not guaranteed to call "send()" before thread B,
>> so bytes might arrive out of order on the other side. Instead push the
>> bytes to a ringbuffer (preferrably lockfree) and let a *single* sender
>> thread consume it.
>>
> Yes, that's next. I first wanted to see if I have stopped the crashes
> that seemed to be due to non-threadsafe calls. The one crash report
> I've seen shows it occurring inside Pd's main event loop because of a
> call to clockdelay from another thread while Pd is manipulating the
> same clock. If it works, It's nearly ready to move to a single thread,
> I already use a thread to receive and check for completed sends.
> Should be ready by next week :)
> .
>
>
> Martin
>
>
>
>> Christof
>>
>> On 15.06.2020 19:46, Martin Peach wrote:
>>> On Mon, Jun 15, 2020 at 12:32 PM Christof Ressi <info at christofressi.com> wrote:
>>>
>>>> I've said this elsewhere: as much as I like (and use) the mrpeach library, I avoid the net objects (especially [tcpclient] and [tcpserver]) because there are too many problems in the code. [iemnet], on the other hand, has been (re)written and maintained by actual domain experts.
>>> I have revised the code in those objects and just uploaded the whole
>>> mrpeach for Windows10 to deken. (this includes fixes to tcpserver and
>>> tcpclient as well as midifile) So anyway I have lots of free time now
>>> and I am maintaining the library, in the sourceforge svn repo
>>> (https://sourceforge.net/p/pure-data/svn/HEAD/tree/trunk/externals/mrpeach/).
>>> If there were a git repo for externals I would use that but it seems
>>> scattered at the moment.
>>>
>>> Martin
>>
>>
>> _______________________________________________
>> Pd-list at lists.iem.at mailing list
>> UNSUBSCRIBE and account-management -> https://lists.puredata.info/listinfo/pd-list