|
I wonder if DosSetRelMaxFH would help? I use it like this in one of my
programs.
*-- DosSetRelMaxFH --- Change Maximum Number of FIle Descriptors
*
d Dossetrelmaxfh PR 10I 0 Extproc('DosSetRelMaxFH')
d Pcbreqcount * Value
d Pcbcurmaxfh * Value
c Eval Setfd = 0
c Eval Curfd = 0
c Eval Rc = Dossetrelmaxfh(%ADDR(Setfd):
c %ADDR(Curfd))
c Callp Dsperror(%CHAR(Curfd))
c Eval Setfd = 250
c Eval Curfd = 0
c Eval Rc = Dossetrelmaxfh(%ADDR(Setfd):
c %ADDR(Curfd))
c Callp Dsperror(%CHAR(Curfd))
First call just retrieves the current values. First parm is the number of
descriptors you want to add or subtract, and the second parm gets the new
number of descriptors available. So passing 0 0 gets me back 0 200 the
first time, and then 250 0 gets me 250 450 back. I log that out in the
DSPERROR routine and gets something like this.
DSPLY 200->0000000000:There is no error.
DSPLY 450->0000000000:There is no error.
-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of
Charles Wilt
Sent: Monday, January 21, 2019 11:09 AM
To: Web Enabling the AS400 / iSeries
Subject: Re: [WEB400] Bug in HTTP API's http_req() procedure - leaving
connections open
Just a follow up....
It appears that other programs running in the job are leaving
connections/files open (by design (mostly?)) and once we happen to get a
socket# higher than 224 we start seeing issues in HTTP API; and the
response file and/or connection gets left open when HTTP API crashes.
The Java JVM for instance has 180+ open file descriptors, mostly to
various JAR files.
When we run our new HTTP API process all by itself in a job, we don't see
any issues.
Charles
On Fri, Jan 11, 2019 at 11:27 AM Charles Wilt <charles.wilt@xxxxxxxxx>
wrote:
Since the FTPAPI list is having problems, thought I'd post here...--
Running v1.33 of HTTP API, and noticing connections sometimes being
left open by the HTTPS calls that use the http_req() procedure.
Noticeable only because it's happening in a set of long running job
making 50,000+ calls...
Problem manifested as "out of range" error "One of the following has
occurred in RPG procedure COMMTCP_FD in program
LIBHTTP/HTTPAPIR4: - A numeric length or start position is less than 1
or too large for the string operation.describe her in this message"
as described here...
http://www.scottklement.com/archives/ftpapi/201504/msg00093.html
It seems we're a few versions behind...
Changes to version 1.39 from 1.38:
- Fixed ALGD0200 declaration in ENCRYPTR4 -- though, this should
not impact current users. (Thomas Raddatz)
- Correct international handling of $Version string in Cookie
header routines.
Changes to version 1.38 from 1.37:
- Added memory alloc/dealloc diagnostic routines
- Fixed memory leaks -- comm drivers were not cleaned up
- fixed mismatches with regular alloc vs xalloc
Changes to version 1.37 from 1.36:
- Fix problem where debugLevel not propagated properly
- Added buffering to COMMTCPR4 to improve LineRead performance
- Added buffering to COMMSSLR4 to improve LineRead performance
Changes to version 1.36 from 1.35:
- Fix problem where http_persist_close() would get a pointer error
if http_persist_open() failed during SSL handshake.
The changes in 1.36 and 1.38 seem most likely to be related. Trying
to get the latest version put on to test.
But I'm hoping somebody here as seen the issue and can confirm it's
fixed in a later version when I push management for the upgrade.
Thanks!
Charles
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