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[REBOL] Re: Advanced port stuff

From: jelinem1:nationwide at: 8-Jan-2001 7:56

You might try checking out multisession.r on I THINK it does this (associating literal words to port objects in a 'waitports list)... If not, what you might have to do is either do a 'find within the list of 'waitports, or keep a synchronized list (block) of literal words to match the 'waitports list. BTW to want this task does not imply that you have badly designed code IMO - or even that a simpler solution exists. I do the same 'waitports list scheme in my MUD and given the complexity of the desired task I see no way around it. Actually, what I do in the MUD (and I mention this because you may want to do this also) is associate each 'port object in 'waitports with a client object (ie a "player" in my MUD). It would be nice if the 'port objects could point to (ie reference) the associated client object, but alas it doesn't and I haven't been brave enough to overuse one of the 'port elements to do this (don't even know if I COULD). SO, I create a reference to the associated 'port object from the client object when the port is created. Then I perform an "ugly" loop through the client list to find the matching client for a given 'port. - Michael Jelinek Paul Tretter <[ptretter--primary--net]> on 01/05/2001 08:53:46 AM From: "Paul Tretter" <[ptretter--primary--net]> on 01/05/2001 08:53 AM Please respond to [rebol-list--rebol--com] Sent by: [rebol-bounce--rebol--com] To: <[rebol-list--rebol--com]> cc: Subject: [REBOL] Re: Advanced port stuff Ok, so far the answers relating to objects I have all ready known but appreciate your input. I think the complexity is that these objects are port objects that have been added to a block. The block is referenced by the word 'waitports. waitports contains the port objects which are appended to it dynamically as the script runs. For example if waitports contained three port objects - then the following:
>> print waitports
?port? ?port? ?port? ok print now this:
>> print first waitports
irc-open-port now I try moving the index to get the literal of the second port since the first port responded correctly: waitports: next waitports
>> print first waitports
?port? I notice that it shows only one ?port? instead of two and it didnt give me the literal word referencing that port object. Is this a bug or is there new information we need to document regarding objects appended to blocks when they are port datatypes. As you can see this script deals with IRC. The first port in the block is the port object for the irc server itself. The next port and subsequent ports are for dcc ports that are dynamically added to the block while the script is online and active on irc. These dcc ports objects are assigned to the nickname of the user on irc (since each user must have a unique nickname on the irc network). This assignment was done with this function in my script: dcc-parser: does [ if secured [ if dcc-chat-flag [ dcc-client: message/nick dcc-client-port: message/dataparse/5 dcc-connect: [ scheme: 'tcp host: dcc-ip port-id: to-integer dcc-client-port ] either error? error-dcc-open-client: try [dcc-open-client: open/lines/direct/no-wait dcc-connect][ error-dcc-open-client: disarm error-dcc-open-client error-proc error-dcc-open-client ][ insert dcc-open-client read %help.txt dcctemp: :dcc-client dcctemp: make set-word! :dcctemp mold dcctemp :dcc-open-client append waitports get make word! copy :dcc-client dcc-chat-flag: off dcc-client-port: dcc-connect: none ] ] ] ] message/nick above is the object containing the nickname of the user from the ircparser function (not listed). As you can see from the third line from the bottom of the function the port is appended to waitports. The script does everything I want it to do. However, I am getting ready to add more code to this function to perform some logic based on the literals within waitports block. Thats is what Im having trouble determining since its dynamically assigned during execution. Hope this helps. Paul Tretter