EPICS Controls Argonne National Laboratory

Experimental Physics and
Industrial Control System

1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  <20162017  2018  2019  2020  2021  2022  2023  2024  Index 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  <20162017  2018  2019  2020  2021  2022  2023  2024 
<== Date ==> <== Thread ==>

Subject: Re: stream Device I/O error
From: Heinz Junkes <[email protected]>
To: Michael Davidsaver <[email protected]>
Cc: [email protected]
Date: Thu, 28 Apr 2016 16:39:24 +0200
It’s seems to be a limitation in the protocol parser of the stream module not within the EPICS stuff:

In

StreamEpics.cc:    

Line 407:

long streamInitRecord(dbCommon* record, const struct link *ioLink,
    streamIoFunction readData, streamIoFunction writeData)
{
    char filename[80];
    char protocol[80];
    char busname[80];
    int addr = -1;
    char busparam[80];
    memset(busparam, 0 ,sizeof(busparam));

buffers are fixed to 80 character sizes

Heinz

> On 28 Apr 2016, at 13:57, Michael Davidsaver <[email protected]> wrote:
> 
> On 04/28/2016 05:55 AM, Dirk Zimoch wrote:
>> This happens when the link string is too long. It can have only 78
>> chars (80 including @ and terminating null byte). This is a
>> limitiation of EPICS.
> 
> FYI, this limit is raised to  254 characters in Base 3.15 series and
> removed entirely for 3.16 series.
> 

Attachment: smime.p7s
Description: S/MIME cryptographic signature


Replies:
Re: stream Device I/O error Dirk Zimoch
References:
stream Device I/O error Gofron, Kazimierz
Re: stream Device I/O error Dirk Zimoch
Re: stream Device I/O error Michael Davidsaver

Navigate by Date:
Prev: Re: Question about relational database setup ? Kasemir, Kay
Next: RE: Re: stream Device I/O error Gofron, Kazimierz
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  <20162017  2018  2019  2020  2021  2022  2023  2024 
Navigate by Thread:
Prev: Re: stream Device I/O error Heinz Junkes
Next: Re: stream Device I/O error Dirk Zimoch
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  <20162017  2018  2019  2020  2021  2022  2023  2024 
ANJ, 15 Jul 2016 Valid HTML 4.01! · Home · News · About · Base · Modules · Extensions · Distributions · Download ·
· Search · EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing ·