TCP server implementation: thead issue

[kaêm]

Hi,

I'm not actually doing a TCP server, but I need to implement a similar threading model
in my app, so this will serve as a good example. I have done a TCP server few times
with different programming languages and here's a pseudocode how I do it

do
{
    connection = waitForConnection(port, -1)   // -1 means wait forever
    if(connection != NULL)
    {
       // Here, a new thread is created for each client and data transfer is started
       // The original thread continues to wait for connections
    }
}       
while(running)

I don't understand how could this be done with LabView. With the use of local variables,
I can think of a solution that could process the clients, if the number of clients is known
at development time.

Can I somehow create threads with LabView at run-time?

This whole thread issue in LabView is quite confusing to me, so if someone knows a good
solution to that TCP server problem, I would really appreciate it. I think that would help me
understand this matter.

Thanks.

[PhillipBrooks]

The LabVIEW terms you need to understand are VI Server and reentrant execution. There are some great TCP examples that ship with LabVIEW that should help you along...

Take a look at the vi called examples\viserver\runvi.llb\DateServerUsingReentrantRun.vi

This examples folder is in your LabVIEW folder (LabVIEW x.x)

Message Edited by Phillip Brooks on 07-25-2007 08:57 AM

[kaêm]

Thanks Phillip.

I will read about VI Server. It seems to be exactly what I need.

And ofcourse examine that example throughly.

Message Edited by kaêm on 07-25-2007 04:44 PM