Yeah but I'm limited to only one socket due to EMI/UCP specification that dates back to paging systems (though extended for SMS's).

Anyway - yes forking method (IO::Socket::INET) is already used for the other protocol (SMPP) server - I just thought that module itself (Net::SMPP) is taking care of that synchronization - when in reality (since we figured that both sides can write at the same time) it is doing exactly the same as I need to do for UCP - each operation/message/reply sent to one another has a "stamp" by which you match operation and reply. Communication is async in that you can send several messages, and then latter get responses for all of those - that they are accepted/rejected.

Now knowing that both sides can write to the socket at the same time - everything makes perfect sense.

Have you tried freelancing/outsourcing? Check out Scriptlance - I work there since 2003. For more info about Scriptlance and freelancing in general check out my home node.

In reply to Re^2: Server/client sync - when can I write to a socket? by techcode
in thread Server/client sync - when can I write to a socket? by techcode

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.