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тАО05-27-2009 05:07 AM
тАО05-27-2009 05:07 AM
DCPS Raw TCP/IP bidirectional protocol
I need to get text files from the VMS/DCPS output for further processing on a Windows 2003 server.
I've a program on the windows side which listens to the 9100 port for any incoming data.
I'm searching some detailed specification of the bidirectional communication between DCPS and a postscript printer to mimic it with my program.
Here is my status:
When starting a print job from DCPS, my program gets
I'm stuck with this ack answer, so DCPS still shows a PRINTING status.
Any clues ?
Many thanks
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тАО05-27-2009 05:32 AM
тАО05-27-2009 05:32 AM
Re: DCPS Raw TCP/IP bidirectional protocol
wich means....bidirectional support is not necessary and you can catch the output from DCPS.
Hakan
AKA The Diplomead Printerguru
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тАО05-27-2009 05:56 AM
тАО05-27-2009 05:56 AM
Re: DCPS Raw TCP/IP bidirectional protocol
DCPS$queuename_NO_SYNC to prevent handshaking.
You can define the logical to anything 1, "TRUE"....
Hakan
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тАО05-27-2009 06:11 AM
тАО05-27-2009 06:11 AM
Re: DCPS Raw TCP/IP bidirectional protocol
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тАО05-27-2009 08:27 AM
тАО05-27-2009 08:27 AM
Re: DCPS Raw TCP/IP bidirectional protocol
Could you be more specific ?
Defining the logical will ONLY affect the queue
you are trying to catch the data from.
You could try to send Paul Anderson a mail.
He is in DCPS-engineering team.
paul.anderson@hp.com
Hakan
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тАО05-27-2009 08:54 AM
тАО05-27-2009 08:54 AM
Re: DCPS Raw TCP/IP bidirectional protocol
Many thank, I will try with Paul Anderson
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тАО05-27-2009 09:36 AM
тАО05-27-2009 09:36 AM
Re: DCPS Raw TCP/IP bidirectional protocol
You are trying to catch a printout from VMS,
but you have NO access to this VMS node.
Who will do the printing ?....and what ?
Is this a hobbysystem ?
If not, why don't ask VMS system management to
help ? The queue is targeting your 2003 server.
Someone must have configured the queue.....
Don't take it the wrong way, I just try show the simplest path.....
Hakan
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тАО05-27-2009 10:55 AM
тАО05-27-2009 10:55 AM
Re: DCPS Raw TCP/IP bidirectional protocol
In addition, DCPS sends a PostScript end-of-job character (control-D) and waits for a response too.
As far as the PostScript status request (control-T) goes, that's been eliminated in DCPS V2.7, so there is no longer any need to define the NO_SYNC logical name.
As mentioned earlier in the thread, using a DCPS LPD queue will eliminate all questions and waits for them.
Paul
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тАО05-27-2009 11:37 AM
тАО05-27-2009 11:37 AM
Re: DCPS Raw TCP/IP bidirectional protocol
Detailed docs? Here you go:
http://www.adobe.com/devnet/postscript/
That's how Postscript works. You are here writing (part of) a Postscript printer emulation.
It would certainly be easier to get access into the OpenVMS box to make some changes to the application(s) or the queue(s) here (eg: switch to LPD, etc), but it appears you headed for "the hard way.". If so, you might want to scrounge around for any available open-source Postscript printer emulation software, too.
Put another way, this looks to be a question of printer emulation and available open-source or commercial code on Microsoft Windows 2003 server boxes. (Was this a Unix box, I'd look to see if CUPS had anything.)
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тАО06-01-2009 06:17 AM
тАО06-01-2009 06:17 AM
Re: DCPS Raw TCP/IP bidirectional protocol
Shortly said : The VMS Administrator is panicked by the idea of changing a single comma on his beloved system, not to mention updating DCPS.... I have to cope with it, even if it's the hard way: I have 30 MFP waiting for it
Hoff: Before coming here I've already searched within the Adobe documentation but there are no clues about my issue. There is a brief description of the serial and parallel communications protocol but nothing about TCP/IP.
Paul: In my case, DCPS was happy with a single idle status ( no prologues or page information).
I see that postscript data sending stops after a MTU packed (1492 octets). I assume that DCPS waits for any kind of low level acknoledgement. Can you give me a clue about it ?
What would be the CTRL-D answer for DCPS?
I assume I'm pretty close of a basic working program but I know that answering to my issue may not be your main purpose.
Can you just send me a log record of a successful transmission between DCPS and any kind PS printer ?
Thank you