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I amend my statement as far as "all 8 messages at once" since most messages only go one way. Like so:

  • Response message - RECEIVE to SEND task on both sides (ILS and EMS will handle this message - contains code notifying that message was accepted or rejected by socket)
  • Ping message - SEND to RECEIVE task (this acts as the "keep alive" mechanism) Pings are sent from both sides at 40-second intervals.
  • Add message - ILS to EMS only
  • Delete message - ILS to EMS only
  • Return message - ILS to EMS only
  • Request message - ILS to EMS only
  • Status Check message - ILS to EMS only
  • Status message - EMS to ILS only

As a visual representation, a typical transaction would follow this order:

ILS EMS --- --- Request --> <-- Response (request accepted/rejected) <-- Status (requested item in available/unavailable) Response -->

In reply to Re^3: Multiple Perl files sharing a single socket - is it possible/sensible? by ljamison
in thread Multiple Perl files sharing a single socket - is it possible/sensible? by ljamison

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