Announcement: CICS Auxiliary Trace Visualizer (new version 2.0)

2020-07-02 Thread Andrew Armstrong
Hi all,

I've recently modernised the aux2svg rexx procedure - which, until now, was 
packaged as an example in the RexxXMLParser github repository and CBT FILE647 - 
and moved it to a separate github respository at:

https://github.com/abend0c1/aux2svg

The new version (which I last updated in 2005!) now supports CICS TS 5 
auxiliary traces. Not a lot has changed since CICS TS 3, except for a few new 
trace domains, but quite a lot has improved in the SVG area since then so I 
thought it was time for an update.

In summary, aux2svg creates a graphical representation of a CICS auxiliary 
trace printout by using Scalable Vector Graphics (SVG). The SVG markup 
represents the trace data in the form of a Unified Modelling Language (UML) 
Sequence Diagram (or at least something quite like it). You can view the 
resulting HTML file using any modern web browser.

The aim is to help you resolve CICS problems more easily.

The aux2svg example in https://github.com/abend0c1/rexxxmlparser has been 
replaced with a comment redirecting you to the new repository.

Enjoy!

Andrew.

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Interesting IBM chip collection

2020-02-29 Thread Andrew Armstrong
Have a look at:

https://youtu.be/C0upso-RGF8

...I didn't realise (had no way of knowing really) that the IBM multi chip 
modules were so colorful.

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Announcement: Disassembler written in Rexx

2020-02-24 Thread Andrew Armstrong
Hi all,

I've just published my latest endeavour on github: a free open source 
disassembler in Rexx.

https://github.com/abend0c1/da

...it supports all instructions in the POPs including the latest z15 ones. 
Could be handy if you have lost some source code over the years.
I'm pretty happy with it but as with any software there will be bugs. Please 
raise a github issue if you find any.

Enjoy!

Cheers,
Andrew.

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Re: AT-TLS config help

2015-06-11 Thread Andrew Armstrong
If Pioneer is the server then I think you should code HandShakeRole
  Server.

As for tracing, how have you configured your syslogd?

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3390 mod 2 teardown

2014-01-19 Thread Andrew Armstrong
This might be of interest to oldtimers (i.e. most of us). It shows what was 
inside of a 3390 mod 2:

http://www.youtube.com/watch?v=CBjoWMA5d84

...and before anyone comments on the guy's accent and presentation style, you 
should know that he is a highly competent electronic engineer. Just thought I'd 
say that because that seems to be a recurring theme with Dave Jones's video 
blogs, so don't bother. He should be lauded for still having an interest in the 
way things were done in the old days.

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Re: FTP slow after z/OS 1.13 upgrade

2013-02-28 Thread Andrew Armstrong
Even 700 KBps seems very low - unless it's only a 10 Mbps ethernet link. What 
is the topology? Any routers etc in the path? What I'd do is get a packet trace 
(use Wireshark on the Linux box, or a SYSTCPDA CTRACE on z/OS) and check for 
packet retransmissions or other anomalies. Wireshark is very good at pointing 
out anomalies, so it's not hard. For example, if you have a full/half duplex 
mismatch somewhere along the path it'll slow FTP transfers down a lot (usually 
in one direction more than the other). Does z/OS FTP to/from other servers at a 
decent rate? If so, it's probably not a z/OS problem.

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