Re: Regarding IO Completion ports

"Igor Tandetnik" <>
Fri, 17 Aug 2007 08:25:10 -0400
"SD" <> wrote in message

I'm designing a MW server, which handles connections at the FE and BE.
So there are FE socket connections and BE socket connections.
Different worker threads are spawned off depending on whether data is
received from the FE or BE. Hence, I think I need 2 IOCPs to do the
job. How can I do it using a single IOCP?

Something like this (pseudocode):

void WorkItemReceived(WorkItem* wi) {
    if (wi->FromFE())

That is to say, the difference between FE and BE data is not in threads
that are processing it - it's in the data itself. The same thread can
happily handle FE data now, and then BE data later.

That's the whole idea behind a thread pool: individual threads are
stateless and can process any piece of work at any time. All the
necessary state is stored in the work item itself.
With best wishes,
    Igor Tandetnik

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