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Looking at Scott's rdline example, seems like it will return a -1 when
recv() returned value is less than 1.

You migth want to debug rdline to see what is the actual value that
recv() returned. If it is a 0, that means the server has disconnected
you connection.



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Christopher Anderson
Sent: Monday, February 04, 2008 11:07 AM
To: rpg400-l@xxxxxxxxxxxx
Subject: TCP/IP Sockets from RPG


Good morning everyone,

I've been attempting to create a socket connection to a report vendor
using Scott Klement's (hi Scott) tutorial on that subject. I've managed
to successfully establish the socket connection AND send the request
records downstream but the segment of the program that accepts the
response doesn't work as I anticipated which leads me to believe I'm not
getting the concept very well.

What I need to do is accept a number of records into the buffer until I
get an END TRANSMISSION record. Each record will be the same length and
is identified internally. So, I'll grab one record, decide what type it
is and process it then read the next record from the buffer. I'm also
supposed to put a 60 second time out on this segment of code but we'll
blow up that bridge later.

The logic is:

DOU LastRecord = *On;
rc = rdline(sock: %addr(recbuf): %size(recbuf): *On);
if rc < 0;
err = errno;
callp close(sock);
callp die('rdline(): ' + %str(strerror(err)));
return;
endif;

TestRecord = recbuf; // This moves what's in the buffer into a
DS that can locate the
// record type field.
// Process record.

ENDDO;

What happens is the system works for a while on the rc=rdline... Line
then returns -1 for rc and the errno variable comes back with an error
when I attempt to eval it in debug. (A type error).

Does anyone have any idea what I'm doing wrong or what I'm missing?

Thank you,
Chris Anderson
Partners Mutual Insurance
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