[zeromq-dev] event based messaging system

[Vishal Ahuja]

I am trying to design an event based messaging system which works as
follows:

Let us say that there are multiple products in a store, and their prices
vary every day. Clients can login to the application, and request to know
(via SMS) the price of a particular product on a particular date (say 1
month from the date of login).

The application will not have access to a database. It will have to
retrieve the information from a web page. So let us say that the user wants
to know the price of a product on the 1st of Jan, then the application will
have to access the website on that particular day itself. Also, another
detail is that the price of the product can be changed any time during the
day.

I am not sure how to design this using zeromq, particularly I am not sure
how to receive a client request and then act on it after a month or so.
Will I have to start a timer for every request? Please help me with the
design.

Sincerely,

Vishal
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