[REBOL] Example ports Re:(3)
From: rebol:techscribe at: 7-Sep-2000 22:12
Hi Paul,
thanks.
I believe http://www.rebol.com/users/netports.html explains the whole thing
quite well.
Specifically check
http://www.rebol.com/users/netports.html#ExchangingMessages
Note that the sender port must be closed before the listening port will
collect the message and make it available to the print function
At 07:50 PM 9/7/00 -0500, you wrote:
>Elan,
>
> This is fantastic information. This is exactly the kind of information
>that should go in the docs. Anyone second the motion? Makes it much
>plainer to understand. I didnt know about the close after each send from
>the client.
>
>Paul Tretter
>
>-----Original Message-----
>From: [rebol--techscribe--com] [mailto:[rebol--techscribe--com]]
>Sent: Thursday, September 07, 2000 6:36 PM
>To: [list--rebol--com]
>Subject: [REBOL] Example ports Re:
>
>Hi Paul,
>
>Assume two REBOL processes (i.e. you launch REBOL twice on the same
>machine, or on two different machines connected by TCP/IP. I assume same
>machine here and use local host setting, 127.0.01 for the client.)
>
>REBOL process 1: will be indicated by prompt 1>>
>REBOL process 2: will be indicated by prompt 2>>
>
>Simple Session:
>
>1>> server: open/lines tcp://:8000
>
>2>> client: open/lines tcp://127.0.0.1:8000
>2>> insert client "Hi, there."
>2>> close client
>
>1>> port: first server
>1>> print first port
>Hi, there.
>
>BETTER use copy to prevent data loss on server side:
>
>1>> port: first server
>1>> print copy port
>Hi, there.
>
>Complex (Bi-directional) Session:
>
>1>> server: open tcp://:8000
>1>> input-buffer: make string! 1024
>1>> while [true] [
>1>> server-port: first server
>1>> while [true] [
>1>> wait server-port
>1>> read-io server-port input-buffer 1024
>1>> break
>1>> ]
>1>> print input-buffer
>1>> insert server-port join input-buffer [" from server."]
>1>> clear input-buffer
>1>> close server-port
>1>> ]
>
>2>> message:" Client here. "
>2>> client: open tcp://127.0.0.1:8000
>2>> insert client message
>2>> print copy client
>2>> close client
>
>Note that once you have sent something on a client port, you must close the
>client port and open it again, before you can send more stuff out that port.
>
>At 05:27 PM 9/7/00 -0500, you wrote:
>>Can someone provide an example of sending something to a port and how to
>>know if you are getting a response.
>>
>>Paul Tretter
>>
>>
>>
>
>;- Elan [ : - ) ]
> author of REBOL: THE OFFICIAL GUIDE
> REBOL Press: The Official Source for REBOL Books
> http://www.REBOLpress.com
> visit me at http://www.TechScribe.com
>
;- Elan [ : - ) ]
author of REBOL: THE OFFICIAL GUIDE
REBOL Press: The Official Source for REBOL Books
http://www.REBOLpress.com
visit me at http://www.TechScribe.com
