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implement the token ring algorithm using socket programming

Posted on 2004-10-09
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S is the central server A,B,C,D are the 4 players
Intially the token is at A
A starts 3 threads and sends the messages to B,C,D and moves the token to B
the acknowledgements are monitored by the central server S in the que buffer in the order in which they are received  from B,C,D and the response in written at A in a string buffer  which it receives from the central server S
when the token is at B it starts 2 threads sending messagesa to C,D and moves the token to C and the the acknowledgements are monitored by the central server S in the que buffer in the order in which they are received from C,D and the response in written at B in a string buffer which it receives from the central server S
when the token is at C it starts 1 thread sending messagesa to D and moves the token to D and the the acknowledgements are monitored by the central server S in the que buffer in the order in which they are received from D and the response in written at C in  a string buffer which it receives from the central server S
when the token is at D it is done
This is the implementation of the token ring algorithm and the central server is used only for receiving the acknowlegements in order at the player
The sends are done asychronously and the receives are done using threads
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Question by:prashanth_gurijala
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Author Comment

by:prashanth_gurijala
ID: 12268651
I want the sample program for the above description using Java and socket programming  and it is urgent .
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Expert Comment

by:91mustang
ID: 12268798
Do you need anything else?
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Author Comment

by:prashanth_gurijala
ID: 12268866
The threads must also use a distributed  mutual exclusion algorithm  in order to collect the messages in the single array buffer .Implement the central server algorithm using a separate thread
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Accepted Solution

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DrWarezz earned 1500 total points
ID: 12269573
I think you'll get more positive responses if you break the question down.. We can't write a whole program for you..

However, I'm guessing you have some java experience, right?

References/Examples:

THREADS
http://www.javaalmanac.com/egs/java.lang/BasicThread.html

SOCKETS
http://www.javaalmanac.com/cgi-bin/search/find.pl?words=sockets

Also, anything else, either search for it at: www.javaalmanac.com, or java.sun.com

Or, if it's a more direct question, of course, just ask it here. :)

gL,
[r.D]
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Expert Comment

by:CEHJ
ID: 12270665
>>and it is urgent .

I suggest you move to another site. There are ones where you can pay to have your homework done for you
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Author Comment

by:prashanth_gurijala
ID: 12270740
My doubt is how to send the response from the reciever to the central server  where a queue is available  which will return the reply to the sender in a single array buffer
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Expert Comment

by:91mustang
ID: 12271557
when do you need this done by?
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Author Comment

by:prashanth_gurijala
ID: 12273048
hi thanx mustang,
i reall yappreciate this, the deadline is monday night.... I am working on this already and trying to do....

any way thanx for all help and suggestions guys...
-prashanth
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Expert Comment

by:DrWarezz
ID: 12298364
:) ThanQ
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