> My program works with the main form and 3 threads (A, B & C).
> Two of this threads (A & B) are created by main form and the third (C) is
> created by thread A.
>
> Each thread create, run and destruct a server (TWSocketServer) in
> Execute()
> method.
>
> For thread A and B, my client application tcp/ip connections are ok.
> But the server in thread C don't answer to requests.
>
> My client can connect to it, that's all. Even the banner is not sent.
I don't know if it is your problem, but here is my analysys:
1) You don't create TWSocketServer from the Execute method in each thread.
You probably create TWSocketServer in thread's construcotr or even the
main form.
2) Your threads lacks a message pump
3) By Windows design, all message based events are handle in the thread
context in which the component was created/.
Given that, the TWSocketServer in threads A and B are working because their
events are executed by the main threads (that it the tread context when the
component where created). TWSocketServer in thread C doen't work because it
is created in the context of thread A which lacks a message pump.
The solution:
Create all TWSocketServer in the begining of each thread's Execute method.
Add a message pump in each of your thread (there is one message pump in
TWSocketServer you can use it).
But wait ! There is probably an even better solution: do not use thread at
all ! ICS component are asynchronous and will multitask without using any
thread. You only need multithreading if your dataprocessing require lengthy
computation or use other blocking components (for example lengthy SQL
request).
If you still think you need threads, see the samples provided with ICS-V5
(ThrdSrv.dpr and others).
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The author of the freeware Internet Component Suite (ICS)
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