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Diffstat (limited to 'TAO/examples/Callback_Quoter/README')
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diff --git a/TAO/examples/Callback_Quoter/README b/TAO/examples/Callback_Quoter/README deleted file mode 100644 index e8b3e08d6a5..00000000000 --- a/TAO/examples/Callback_Quoter/README +++ /dev/null @@ -1,85 +0,0 @@ -****************************************************************************** - -CALLBACK QUOTER TEST EXAMPLE -- Kirthika Parameswaran - <kirthika@cs.wustl.edu> -****************************************************************************** - -This is an distributed application which highlights the importance -of the callback feature in helping meet the demands of various clients -without them having to poll continously for input from the server. - -There are three parts to the Callback Quoter Example. - -1) Supplier -2) Notifier -3) Consumer - - -In detail: -_________ - -1) Supplier ---is the market feed daemon who keeps feeding the current stock -information to the Notifier periodically. -The timer handler has been used in the implementation of the daemon -process. It reads the current stock value from a file and sends it to -the Notifier. - -2) Notifier --- On getting information form the supplier, it checks whether there are -any consumers ineterested in the information and accordingly sends it to -them. The consumer object is registered with the notifier and the data -is pushed to the consumer usoing this refernce. - -3) Consumer --- He is the stock broker interested in the stock values in the market. -He will make decisions of selling only if the stock he is interested in -has a price greater than the threshold value he has set for that stock. -He just registers himself with the Notifier. This saves the time he wastes in -simply polling for information from the Notifier. -This is the callback feature in this example. - - -Running the application: -________________________ - -There are 3 parts to it: - ----------------------------------------------------------------------------- - -1) shell 1: type at the command prompt: - -./notifier - ------------------------------------------------------------------------------- - -2) shell 2: type at the command prompt: - -./consumer - -register yourself with 'r' -Enter the stockname and value. -Now wait for information to arrive. - -You can unregister by typing 'u' and quit by typing 'q'. - ------------------------------------------------------------------------------ - -3) shell 3: type at the command prompt: - -./supplier -ifilename - -The -i option simply tells the daemon where to pick information from. -TIP:: the contents of the input file per line should be: stockname and its price. - -The other option includes setting the period for the stock feed. - ------------------------------------------------------------------------------ - -Happy troubleshooting!!! - - - - - - |