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Sockets - A Packet Snooper With A QT4 GUI (Req's libLQ-qt/mc2 dload) Part 2

Posted 01-19-2013 at 06:58 AM by rainbowsally
Updated 08-06-2014 at 07:54 AM by rainbowsally (an afterthought)

Continuing from here.
http://www.linuxquestions.org/questi...-part-1-35273/

[screenshot]
http://rainbowsally.org/rainbowsally...et-snooper.png

Note: Corrected commandline for launching the server Jan 20, 2013 -rs

An afterthought:
While poking around in this stuff I found this warning in the linux/if_ether.h header.
...
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Old

Sockets - A Packet Snooper With A QT4 GUI (Req's libLQ-qt/mc2 dload) Part 1

Posted 01-19-2013 at 06:54 AM by rainbowsally
Updated 08-06-2014 at 07:56 AM by rainbowsally (added link to part 2)

Sockets - A Packet Snooper With A QT4 GUI (Req's libLQ-qt/mc2 dload) Part 1

Today's feature is
  • Running a packet snooper in an lqMiniTerm 'run' loop function.

[Note: the lqMiniTerm is evolving a bit and will continue to evolve for a while as we experiment and discover things that come up over and over that are easier to address in the mini terminal than in the main() file's code. Currently term_printf() is a candidate for becoming a miniterm feature. Find out why! :-) ]...
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Old

Sockets - Bidirectional Communication IPv4/6 (terminal version)

Posted 01-17-2013 at 08:54 PM by rainbowsally

Sockets - Bidirectional Communication IPv4/6 (terminal version)

Today's features:
  • More fun with sockets.
  • Bidirectional communication using IPv4 and IPv6 socket streams (sequential).
  • Interactive. (Only interprets one command, but it's easily expandable.)
  • Terminal version for broader usefulness.

[Note the addresses in this and the previous sockets experiments (here http://www.linuxquestions.org/questi...example-35270/)...
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Old

Sockets - UDP RX (recieve/transmit) terminal example

Posted 01-17-2013 at 06:15 PM by rainbowsally
Updated 01-17-2013 at 06:16 PM by rainbowsally

Sockets - UDP RX (recieve/transmit) terminal example
Today's feature:
  • A UDP file server and client using linux sockets.
  • A terminal app for those who don't have libLQ-qt and mc2.

[This is for our LQ-less friends. A libLQ version using a qt gui but NOT qt sockets should be forthcoming shortly.]

This upload is pushing the size limit but it's interesting to see how the broadcast channel is set up (in inc/broadcast-rx.c) and how the parts of the files are picked up...
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Old

mini-term in qt4

Posted 01-17-2013 at 03:34 AM by rainbowsally
Updated 08-06-2014 at 07:58 AM by rainbowsally

mini-term in qt4.

Today's features:
  • A simple terminal-like application built from a qt4 class that can be used for other stuff too.
  • The present application can run shell commands and has copy/paste (ctrl-c, ctrl-v) capabilitity.
  • Another example of the Windows-like api so that C/C++ code can run in Qt4.
  • Runs the custom code (terminal in this case) inside a QT 'exec' loop... sorta. We call it 'run()'.

Screenshot:
http://rainbowsally.org/rainbowsally...iterm-test.png...
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