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advice on creating plugin with MSDP from scratch?

advice on creating plugin with MSDP from scratch?

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Posted by George (9 posts) bio

Date Thu 25 Aug 2011 02:54 PM (UTC)

Message

hi, I'm wondering what pointers and tips people have for people writing plugins using MSDP.

Currently I've based things off of KaVir's GW2 plugin, so the stripped down plugin looks like this:


<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE muclient>
<!-- Saved on Thursday, July 14, 2011, 10:33 PM -->
<!-- MuClient version 4.64 -->

<!-- Plugin "conquest" generated by Plugin Wizard -->

<muclient>
<plugin
   name="conquest"
   author="george"
   id="94bb7c5857d64917248618c6"
   language="lua"
   save_state="y"
   date_written="2011-07-14 22:32:18"
   requires="4.64"
   version="1.0"
   >

</plugin>


<!--  Get our standard constants -->

<include name="constants.lua"/>

<script>
<![CDATA[
--latest
local using_msdp = false
local msdp = {}
]]>

-- MSDP negotiation
local MSDP = 69

function OnPluginTelnetRequest (type, data)
  if type == MSDP and data == "WILL" then
    using_msdp = true
    return true
  else -- another protocol
    return false
  end -- if
end -- function OnPluginTelnetRequest

function OnPluginTelnetSubnegotiation (type, data)
  if type == MSDP then
    endpos=string.len(data)
    for i=endpos,1,-1 do
      if string.byte(data,i) == 1 then
        variable = string.sub(data,i+1,endpos)
        StoreVariable(variable, value)
        endpos = i-1
      elseif string.byte(data,i) == 2 then
        value = string.sub(data,i+1,endpos)
        endpos = i-1
      end -- if
    end -- for   
  end -- if
end -- function OnPluginTelnetSubnegotiation

</script>

</muclient>

The first thing I'd like to figure out is how people generally debug the MSDP packets sent by the mud; I watch the packet stream by selecting debug packets, but is there some other intermediate stream you can inspect or a way to create one so you can see the English translation of the MSDP negotiation and variables sent by the mud (hope that makes sense).

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Posted by

Chyort USA (58 posts)

bio

Date

Reply #1 on Fri 26 Aug 2011 06:47 AM (UTC)

Amended on Fri 26 Aug 2011 06:48 AM (UTC) by Chyort

Message

George said:

The first thing I'd like to figure out is how people generally debug the MSDP packets sent by the mud; I watch the packet stream by selecting debug packets, but is there some other intermediate stream you can inspect or a way to create one so you can see the English translation of the MSDP negotiation and variables sent by the mud (hope that makes sense).

Assuming i understand you right, I think this might help you.

http://clanscw.brinkster.net/godwars/topic.asp?TOPIC_ID=2522

KaVir has a simple plugin that notes the MSDP info.

Quote:

Note that all this does is display the data that's being sent back and forth - there are no energy bars etc. However it's really easy to add this to existing plugins to replace the trigger they usually use to capture text from the screen.

I recently started looking at MSDP, and what KaVir's plugin can do... But it all is Way beyond me at this point :P

I hope this helps.

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