How to talk to a specific thread in a server

[Yuxin Ren]

Hi
Thank you very much for your reply.
I did what you said, but the behavior is very confusing.
I create two channels in lua script, and correspond each channel to a pair
of client and server threads.
In the server side, each thread registers its own server obj to its
own Registry_server, and of course they have different dispatch functions.
Now the result is only one server thread receive all requests from client,
and it selects different dispatch function to run based on the request.
But I want different threads to run different dispatch function, not only
one server thread process all requests using different dispatch functions.
Do you have any ideas about this?
Thank you.


On Thu, May 8, 2014 at 2:07 AM, Björn Döbel <doebel at os.inf.tu-dresden.de>wrote:

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> Hi,
>
> On 08.05.2014 03:29, Yuxin Ren wrote:
> > I have one client and one server talking to each other, and both of
> > them have 2 threads. I want thread 1 in client only talk to thread
> > 1 in server, and thread 2 in client only talk to thread 2 in
> > server. How can I achieve this?
>
> The simple client/server example
> (http://wiki.tudos.org/L4Re_simple_client_server_example) shows how to
> connect a single thread in each process (or task in L4 speak). You
> could extend this example to create two channels in the Lua setup
> file, pass both channels to the tasks during startup and then let each
> thread use one of them for communication with its counterpart.
>
> Note that does not completely enforce your requirement that each
> thread can only talk to exactly one other. Capabilities (e.g., for the
> communication channels) are shared per task and technically each
> thread could therefore send messages on each channel. If you want
> strict isolation, you have to separate the threads into separate tasks.
>
> Bjoern
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