On 23/03/2018 20:41, Alex, VE3NEA wrote:
I have written some code that allows a UDP server, e.g., a logger, to
tell WSJT-X what background color to use for each callsign in the Band
Activity panel. This might be useful to those who chase various
awards, if the logger assigns different colors to new IOTA groups, US
counties, etc. The end result looks like on the attached screenshot.
The .diff file is here:
http://www.dxatlas.com/Misc/callsign_highlight.zip
The zip also includes a Delphi class for listening and replying to the
WSJT-X messages, and a demo program that shows how to use the class,
which is also useful for testing the new feature once it is included
in WSJT-X.
Please review and merge if OK.
Hi Alex,
looks good but I have some issues. Please check out this:
https://www.dropbox.com/s/xlvc5kxy85ymtn9/message_aggregator.zip?dl=0 ,
it is a very basic UDP message server application written in Object
Pascal and also uses Indy for services. The message cracking routines
may be useful to you, free free to copy them - all I require is credit.
I will look in more detail at your patch, I have a concern about cursor
positioning in the decode windows that I need to check.
There is a requirement to negotiate the message schema number if you
intend to send messages back to WSJT-X instances, this is necessary in
case a new schema is introduced as the WSJT-X UDP messages are a grid
topology and all nodes must agree on the "on the wire" message schema.
The schema number is allowed to decrease if an old lower schema node
joins the party. The MessageServer.cpp class in the WSJT-X sources does
this correctly. See code at line 155 handling Heartbeat messages here:
https://sourceforge.net/p/wsjt/wsjt/HEAD/tree/branches/wsjtx/MessageServer.cpp
.
I also have a partial implementation of joining a multicast group for
the AutoIt scripting language, this is relevant because it has no built
in library support for multicast and it is used to implement the current
version of JTAlert, so JTAlert must bind a unicast address for now. If
JTAlert is in the grid then it must degrade to a single server (JTAlert)
many client (WSJT-X) topology, which excludes other servers :( I need to
find time to complete this and offer it to Laurie as a plug in
replacement for the AutoIt UDP server module.
73
Bill
G4WJS.
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